projects/dynamin: dynamin/painting/text

annotate dynamin/painting/text_layout.d @ 92:27445f24d5fd

Add TextLayout.layoutBoxes API, but not implementation

author	Jordan Miner <jminer7@gmail.com>
date	Thu, 05 Aug 2010 03:33:11 -0500
parents	85cd0b04777c
children	301e077da540

rev	line source
90 41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	1 // Written in the D programming language
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	2 // www.digitalmars.com/d/
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	3
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	4 /*
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	5 * The contents of this file are subject to the Mozilla Public License Version
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	6 * 1.1 (the "License"); you may not use this file except in compliance with
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	7 * the License. You may obtain a copy of the License at
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	8 * http://www.mozilla.org/MPL/
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	9 *
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	10 * Software distributed under the License is distributed on an "AS IS" basis,
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	12 * for the specific language governing rights and limitations under the
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	13 * License.
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	14 *
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	15 * The Original Code is the Dynamin library.
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	16 *
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	17 * The Initial Developer of the Original Code is Jordan Miner.
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	18 * Portions created by the Initial Developer are Copyright (C) 2007-2010
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	19 * the Initial Developer. All Rights Reserved.
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	20 *
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	21 * Contributor(s):
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	22 * Jordan Miner <jminer7@gmail.com>
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	23 *
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	24 */
41b430aa319f Add license boilerplate to top of text_layout.d Jordan Miner <jminer7@gmail.com> parents: 85 diff changeset	25
85 ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	26 module dynamin.painting.text_layout;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	27
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	28 import dynamin.core.list;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	29 import dynamin.core.string;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	30 import dynamin.painting.color;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	31 import tango.text.convert.Utf;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	32 import tango.io.Stdout;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	33
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	34 //{{{ character formatting types
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	35 /// The line style of an underline, strikethrough, or overline.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	36 // TODO: add images of what these line styles look like
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	37 enum LineStyle {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	38 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	39 None,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	40 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	41 Single,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	42 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	43 Double,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	44 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	45 Dotted,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	46 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	47 Dashed,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	48 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	49 Wavy
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	50 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	51
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	52 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	53 enum SmallType {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	54 // Specifies normal text.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	55 Normal,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	56 // Specifies text smaller than normal and raised above the normal baseline.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	57 Superscript,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	58 // Specifies text smaller than normal and lowered below the normal baseline.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	59 Subscript
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	60 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	61
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	62 /// A change in character formatting.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	63 struct FormatChange {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	64 uint index;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	65 FormatType type;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	66 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	67
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	68 static FormatChange opCall(uint i, FormatType t, FormatData d) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	69 FormatChange c;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	70 c.index = i;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	71 c.type = t;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	72 c.data = d;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	73 return c;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	74 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	75 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	76 /**
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	77 * Returns true if data1 is equal to data2.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	78 */
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	79 bool formatDataEqual(FormatType type, FormatData data1, FormatData data2) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	80 if(type == FormatType.FontFamily)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	81 return data1.family == data2.family;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	82 else if(type == FormatType.FontSize)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	83 return data1.size == data2.size;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	84 else if(type == FormatType.Bold \|\| type == FormatType.Italic)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	85 return data1.on == data2.on;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	86 else if(type == FormatType.Underline \|\| type == FormatType.Strikethrough \|\|
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	87 type == FormatType.Overline)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	88 return data1.style == data2.style;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	89 else if(type == FormatType.Small)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	90 return data1.type == data2.type;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	91 else if(type == FormatType.ForeColor \|\| type == FormatType.BackColor)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	92 return data1.color == data2.color;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	93 else if(type == FormatType.Spacing)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	94 return data1.multiple == data2.multiple;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	95 else
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	96 throw new Exception("unknown type");
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	97 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	98
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	99 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	100 enum FormatType : ubyte {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	101 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	102 FontFamily = 1,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	103 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	104 FontSize,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	105 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	106 Bold,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	107 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	108 Italic,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	109 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	110 Underline,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	111 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	112 Strikethrough,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	113 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	114 Overline,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	115 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	116 Small,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	117 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	118 ForeColor,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	119 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	120 BackColor,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	121 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	122 Spacing
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	123 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	124
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	125 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	126 union FormatData {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	127 /// Valid for FontFamily
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	128 string family;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	129 /// Valid for FontSize
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	130 double size;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	131 /// Valid for Bold and Italic
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	132 bool on;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	133 /// Valid for Underline, Strikethrough, and Overline
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	134 LineStyle style;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	135 /// Valid for Small
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	136 SmallType type;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	137 /// Valid for ForeColor and BackColor
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	138 Color color;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	139 /// Valid for Spacing
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	140 double multiple;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	141 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	142
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	143 struct Format {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	144 string fontFamily; // no default
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	145 double fontSize; // no default
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	146 bool bold = false;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	147 bool italic = false;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	148 LineStyle underline = LineStyle.None;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	149 LineStyle strikethrough = LineStyle.None;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	150 LineStyle overline = LineStyle.None;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	151 SmallType small = SmallType.Normal;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	152 Color foreColor = Color(255, 0, 0, 0); // black
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	153 Color backColor = Color( 0, 0, 0, 0); // transparent
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	154 double spacing = 1.0;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	155
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	156 FormatData getDataForType(FormatType type) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	157 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	158 if(type == FormatType.FontFamily)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	159 data.family = fontFamily;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	160 else if(type == FormatType.FontSize)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	161 data.size = fontSize;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	162 else if(type == FormatType.Bold)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	163 data.on = bold;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	164 else if(type == FormatType.Italic)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	165 data.on = italic;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	166 else if(type == FormatType.Underline)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	167 data.style = underline;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	168 else if(type == FormatType.Strikethrough)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	169 data.style = strikethrough;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	170 else if(type == FormatType.Overline)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	171 data.style = overline;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	172 else if(type == FormatType.Small)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	173 data.type = small;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	174 else if(type == FormatType.ForeColor)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	175 data.color = foreColor;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	176 else if(type == FormatType.BackColor)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	177 data.color = backColor;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	178 else if(type == FormatType.Spacing)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	179 data.multiple = spacing;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	180 else
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	181 throw new Exception("unknown type");
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	182 return data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	183 }
91 85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	184 void setDataForType(FormatType type, FormatData data) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	185 if(type == FormatType.FontFamily)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	186 fontFamily = data.family;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	187 else if(type == FormatType.FontSize)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	188 fontSize = data.size;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	189 else if(type == FormatType.Bold)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	190 bold = data.on;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	191 else if(type == FormatType.Italic)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	192 italic = data.on;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	193 else if(type == FormatType.Underline)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	194 underline = data.style;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	195 else if(type == FormatType.Strikethrough)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	196 strikethrough = data.style;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	197 else if(type == FormatType.Overline)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	198 overline = data.style;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	199 else if(type == FormatType.Small)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	200 small = data.type;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	201 else if(type == FormatType.ForeColor)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	202 foreColor = data.color;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	203 else if(type == FormatType.BackColor)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	204 backColor = data.color;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	205 else if(type == FormatType.Spacing)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	206 spacing = data.multiple;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	207 else
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	208 throw new Exception("unknown type");
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	209 }
85 ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	210 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	211 //}}}
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	212
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	213 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	214 enum TextAlignment {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	215 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	216 Left,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	217 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	218 Center,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	219 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	220 Right,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	221 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	222 Justify
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	223 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	224
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	225 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	226 enum TabStopType {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	227 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	228 Left,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	229 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	230 Center,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	231 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	232 Right,
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	233 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	234 Decimal
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	235 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	236
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	237 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	238 struct TabStop {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	239 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	240 uint location;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	241 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	242 TabStopType type = TabStopType.Left;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	243 ///
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	244 char leading = '.';
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	245 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	246
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	247 /**
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	248 *
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	249 */
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	250 class TextLayout {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	251 string text;
92 27445f24d5fd Add TextLayout.layoutBoxes API, but not implementation Jordan Miner <jminer7@gmail.com> parents: 91 diff changeset	252 Rect[] layoutBoxes;
27445f24d5fd Add TextLayout.layoutBoxes API, but not implementation Jordan Miner <jminer7@gmail.com> parents: 91 diff changeset	253 ///
27445f24d5fd Add TextLayout.layoutBoxes API, but not implementation Jordan Miner <jminer7@gmail.com> parents: 91 diff changeset	254 void delegate(Rect line, List!(Rect) boxes) getLineBoxes;
85 ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	255
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	256 // character formatting
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	257 List!(FormatChange) formatting; // Always sorted by FormatChange.index
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	258 Format initialFormat;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	259
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	260 // paragraph formatting
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	261 double lineSpacing = 1.0;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	262 double defaultTabStopLocations = 0; // 0 means default tabs every (4 * width of character '0')
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	263 TabStop[] tabStops;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	264 TextAlignment alignment = TextAlignment.Left;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	265
92 27445f24d5fd Add TextLayout.layoutBoxes API, but not implementation Jordan Miner <jminer7@gmail.com> parents: 91 diff changeset	266 void defaultGetLineBoxes(Rect line, List!(Rect) boxes) {
27445f24d5fd Add TextLayout.layoutBoxes API, but not implementation Jordan Miner <jminer7@gmail.com> parents: 91 diff changeset	267 boxes.add(line);
27445f24d5fd Add TextLayout.layoutBoxes API, but not implementation Jordan Miner <jminer7@gmail.com> parents: 91 diff changeset	268 }
85 ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	269 this(string fontFamily, double fontSize) {
92 27445f24d5fd Add TextLayout.layoutBoxes API, but not implementation Jordan Miner <jminer7@gmail.com> parents: 91 diff changeset	270 getLineBoxes = &defaultGetLineBoxes;
85 ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	271 formatting = new List!(FormatChange);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	272 initialFormat.fontFamily = fontFamily;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	273 initialFormat.fontSize = fontSize;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	274 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	275 invariant {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	276 // ensure that formatting is sorted correctly
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	277 uint index = 0;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	278 foreach(change; formatting) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	279 assert(change.index >= index);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	280 index = change.index;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	281 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	282 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	283
91 85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	284 ///
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	285 struct FormatRunsIter {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	286 private:
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	287 TextLayout owner;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	288 FormatType[] filter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	289 int delegate(uint index) splitter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	290 public:
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	291 ///
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	292 int opApply(int delegate(ref uint start, ref uint length, ref Format format) dg) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	293 bool inFilter(FormatType type) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	294 return filter.length == 0 \|\| filter.containsT(type);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	295 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	296 with(owner) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	297 int result;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	298 uint fIndex = 0; // index of formatting array
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	299 uint sIndex = 0; // index passed to splitter
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	300 Format format = initialFormat;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	301
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	302 uint start = 0;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	303 uint end;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	304 while(start != text.length) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	305 end = text.length;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	306 // stop looping when one is found that is greater than start and in the filter
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	307 while(fIndex < formatting.count && (formatting[fIndex].index <= start \|\|
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	308 !inFilter(formatting[fIndex].type))) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	309 // the only ones that are greater are ones skipped due to filter
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	310 assert(formatting[fIndex].index >= start);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	311 format.setDataForType(formatting[fIndex].type, formatting[fIndex].data);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	312 fIndex++;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	313 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	314 if(fIndex < formatting.count)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	315 end = formatting[fIndex].index;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	316
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	317 if(splitter) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	318 while(splitter(sIndex) != -1 && splitter(sIndex) <= start)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	319 sIndex++;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	320 if(splitter(sIndex) != -1 && splitter(sIndex) < end)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	321 end = splitter(sIndex);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	322 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	323 if(end == start)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	324 end = text.length;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	325
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	326 uint _start = start;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	327 uint _length = end - start;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	328 result = dg(_start, _length, format);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	329 if(result)
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	330 break;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	331
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	332 start = end;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	333 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	334
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	335 return result;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	336 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	337 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	338 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	339
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	340 /**
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	341 * Returns an iterator struct that can be used with foreach. The struct will iterate over
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	342 * each range of the text that has the same formatting.
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	343 *
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	344 * The difference between formatRuns and fontFormatRuns is that fontFormatRuns ignores
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	345 * all formatting except FontFamily, FontSize, Bold, Italic, and Small, whereas formatRuns
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	346 * does not ignore any formatting.
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	347 *
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	348 * If the optional delegate is specified, it will be called with index = 0, then index = 1,
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	349 * and so on. The delegate should return an index to split the ranges at. When there are no
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	350 * more indexes to split the ranges at, the delegate should return -1. It is a way of
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	351 * giving an array of indexes to split at without allocating an array.
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	352 *
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	353 * Example:
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	354 * -----
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	355 * foreach(start, length, format; textLayout.formatRuns) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	356 * // code goes here
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	357 * }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	358 * -----
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	359 */
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	360 FormatRunsIter formatRuns(int delegate(uint index) splitter = null) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	361 FormatRunsIter iter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	362 iter.owner = this;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	363 iter.splitter = splitter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	364 return iter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	365 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	366
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	367 /// ditto
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	368 FormatRunsIter fontFormatRuns(int delegate(uint index) splitter = null) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	369 FormatRunsIter iter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	370 iter.owner = this;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	371 iter.filter = [FormatType.FontFamily,
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	372 FormatType.FontSize,
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	373 FormatType.Bold,
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	374 FormatType.Italic,
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	375 FormatType.Small];
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	376 iter.splitter = splitter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	377 return iter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	378 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	379
85 ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	380 //{{{ character formatting
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	381 void setFontFamily(string family, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	382 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	383 data.family = family;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	384 setFormat(FormatType.FontFamily, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	385 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	386 void setFontSize(double size, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	387 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	388 data.size = size;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	389 setFormat(FormatType.FontSize, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	390 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	391
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	392 void setBold(bool on, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	393 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	394 data.on = on;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	395 setFormat(FormatType.Bold, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	396 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	397 void setItalic(bool on, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	398 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	399 data.on = on;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	400 setFormat(FormatType.Italic, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	401 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	402 void setUnderline(LineStyle style, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	403 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	404 data.style = style;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	405 setFormat(FormatType.Underline, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	406 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	407 void setStrikethrough(LineStyle style, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	408 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	409 data.style = style;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	410 setFormat(FormatType.Strikethrough, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	411 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	412 void setOverline(LineStyle style, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	413 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	414 data.style = style;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	415 setFormat(FormatType.Overline, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	416 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	417
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	418 /// Sets the text either superscript or subscript.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	419 void setSmall(SmallType type, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	420 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	421 data.type = type;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	422 setFormat(FormatType.Small, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	423 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	424 // see http://en.wikipedia.org/wiki/Subscript_and_superscript#Desktop_publishing for
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	425 // info on positioning superscript and subscript
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	426
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	427 void setForeColor(Color color, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	428 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	429 data.color = color;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	430 setFormat(FormatType.ForeColor, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	431 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	432 void setBackColor(Color color, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	433 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	434 data.color = color;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	435 setFormat(FormatType.BackColor, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	436 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	437
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	438 /**
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	439 * Sets the spacing between characters, given in multiples of a character's width.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	440 * For example, a multiple of 2.0 would make drawn text take twice as much space
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	441 * horizontally, due to twice as much space being given to each character.
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	442 */
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	443 void setSpacing(double multiple, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	444 FormatData data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	445 data.multiple = multiple;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	446 setFormat(FormatType.Spacing, data, start, length);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	447 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	448
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	449 void setFormat(FormatType type, FormatData data, uint start, uint length) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	450 uint end = start + length;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	451 checkIndex(start);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	452 checkIndex(end);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	453
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	454 FormatData endData = getFormat(type, end);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	455
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	456 for(int i = formatting.count-1; i >= 0; --i) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	457 if(formatting[i].type == type && formatting[i].index <= end) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	458 if(formatting[i].index >= start)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	459 formatting.removeAt(i);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	460 else
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	461 break;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	462 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	463 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	464
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	465 if(!formatDataEqual(type, getFormat(type, start), data)) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	466 insertFormatChange(FormatChange(start, type, data));
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	467 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	468
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	469 // make sure that the formatting >= end stays the same as it was
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	470 if(!formatDataEqual(type, endData, getFormat(type, end))) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	471 insertFormatChange(FormatChange(end, type, endData));
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	472 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	473 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	474 FormatData getFormat(FormatType type, uint index) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	475 checkIndex(index);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	476 FormatData data = initialFormat.getDataForType(type);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	477 for(int i = 0; i < formatting.count; ++i) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	478 if(formatting[i].index > index)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	479 break;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	480 if(formatting[i].type == type)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	481 data = formatting[i].data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	482 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	483 return data;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	484 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	485 private void insertFormatChange(FormatChange change) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	486 int i = 0;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	487 while(i < formatting.count && formatting[i].index <= change.index)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	488 ++i;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	489 formatting.insert(change, i);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	490 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	491 //}}}
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	492 private void checkIndex(uint index) {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	493 if(index == 0)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	494 return;
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	495 if(cropRight!(char)(text[0..index]).length != index)
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	496 throw new Exception("index must be at a valid code point, not inside one");
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	497 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	498 }
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	499
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	500 unittest {
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	501 auto t = new TextLayout("Tahoma", 15);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	502 t.text = "How are you doing today?";
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	503 t.setBold(true, 4, 3); // "are"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	504 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	505 t.setBold(true, 7, 4); // " you"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	506 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	507 t.setBold(true, 1, 3); // "ow "
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	508 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	509 t.setBold(true, 8, 9); // "you doing"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	510 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	511 t.setBold(true, 0, 18); // "How are you doing "
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	512 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	513 assert(t.formatting[0].type == FormatType.Bold);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	514 assert(t.formatting[0].data.on == true);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	515 assert(t.formatting[1].type == FormatType.Bold);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	516 assert(t.formatting[1].data.on == false);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	517 t.setBold(false, 0, 24);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	518 assert(t.formatting.count == 0);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	519
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	520 t.setBold(true, 4, 3); // "are"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	521 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	522 t.setBold(true, 8, 3); // "you"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	523 assert(t.formatting.count == 4);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	524 t.setBold(true, 1, 16); // "ow are you doing"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	525 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	526 t.setBold(false, 4, 8); // "are you "
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	527 assert(t.formatting.count == 4);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	528 assert(t.formatting[0].index == 1);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	529 assert(t.formatting[0].data.on == true);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	530 assert(t.formatting[1].index == 4);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	531 assert(t.formatting[1].data.on == false);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	532 assert(t.formatting[2].index == 12);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	533 assert(t.formatting[2].data.on == true);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	534 assert(t.formatting[3].index == 17);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	535 assert(t.formatting[3].data.on == false);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	536 t.setBold(false, 1, 3); // "ow "
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	537 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	538 t.setUnderline(LineStyle.Double, 8, 9); // "you doing"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	539 assert(t.formatting.count == 4);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	540 t.setBold(false, 0, 20); // "How are you doing t"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	541 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	542 assert(t.formatting[0].type == FormatType.Underline);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	543 assert(t.formatting[1].type == FormatType.Underline);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	544 t.setUnderline(LineStyle.Single, 12, 11); // "doing today"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	545 assert(t.formatting.count == 3);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	546 assert(t.formatting[0].data.style == LineStyle.Double);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	547 assert(t.formatting[1].data.style == LineStyle.Single);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	548 assert(t.formatting[2].data.style == LineStyle.None);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	549 t.setUnderline(LineStyle.None, 4, 14); // "are you doing "
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	550 assert(t.formatting.count == 2);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	551 assert(t.formatting[0].data.style == LineStyle.Single);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	552 assert(t.formatting[0].index == 18);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	553 t.setUnderline(LineStyle.None, 4, 20); // "are you doing today?"
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	554 assert(t.formatting.count == 0);
ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	555 }
91 85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	556 unittest {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	557 auto t = new TextLayout("Arial", 14);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	558 t.text = "The computer is black.";
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	559 int[][] runs = [[0, 22]];
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	560 int delegate(uint index) splitter;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	561 void checkRuns() {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	562 int i = 0;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	563 foreach(s, l, f; t.formatRuns(splitter)) {
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	564 assert(runs[i][0] == s && runs[i][1] == l);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	565 i++;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	566 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	567 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	568 // no formatting or splitter
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	569 checkRuns();
85 ded31d46f75f Add TextLayout. So far, it handles character formatting and does not draw. Jordan Miner <jminer7@gmail.com> parents: diff changeset	570
91 85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	571 // with a splitter but no formatting
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	572 splitter = delegate int(uint i) { return [0, -1][i]; };
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	573 checkRuns();
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	574 splitter = delegate int(uint i) { return [22, -1][i]; };
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	575 checkRuns();
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	576 splitter = delegate int(uint i) { return [10, 15, -1][i]; };
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	577 runs = [[0, 10], [10, 5], [15, 7]];
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	578 checkRuns();
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	579 splitter = null;
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	580
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	581 // with formatting but no splitter
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	582 t.setFontFamily("Tahoma", 4, 8); // "computer"
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	583 runs = [[0, 4], [4, 8], [12, 10]];
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	584 checkRuns();
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	585
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	586 t.setUnderline(LineStyle.Single, 12, 3); // " is"
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	587 runs = [[0, 4], [4, 8], [12, 3], [15,7]];
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	588 checkRuns(); // test two FormatChanges at the same index
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	589
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	590 t.setUnderline(LineStyle.Double, 0, 22);
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	591 runs = [[0, 4], [4, 8], [12, 10]];
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	592 checkRuns(); // test a FormatChange at beginning and at end
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	593
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	594 splitter = delegate int(uint i) { return [2, 4, 21, -1][i]; };
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	595 runs = [[0, 2], [2, 2], [4, 8], [12, 9], [21, 1]];
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	596 checkRuns(); // test a split in middle of a format run and at the same index as a format run
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	597
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	598 // TODO: test fontFormatRuns
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	599 }
85cd0b04777c Add TextLayout.formatRuns and fontFormatRuns, and tests for formatRuns Jordan Miner <jminer7@gmail.com> parents: 90 diff changeset	600

Mercurial > projects > dynamin

annotate dynamin/painting/text_layout.d @ 92:27445f24d5fd