projects/dwt-mac: dwt/internal/image/PngEncoder.d annotate

annotate dwt/internal/image/PngEncoder.d @ 45:d8635bb48c7c

Merge with SWT 3.5

author	Jacob Carlborg <doob@me.com>
date	Mon, 01 Dec 2008 17:07:00 +0100
parents	5123b17c98ef
children

rev	line source
45 d8635bb48c7c Merge with SWT 3.5 Jacob Carlborg <doob@me.com> parents: 34 diff changeset	1 /*******************************************************************************
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	2 * Copyright (c) 2000, 2007 IBM Corporation and others.
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	5 * which accompanies this distribution, and is available at
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	7 *
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	8 * Contributors:
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	9 * IBM Corporation - initial API and implementation
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	10 * Port to the D programming language:
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	11 * Frank Benoit <benoit@tionex.de>
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	12 *******************************************************************************/
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	13 module dwt.internal.image.PngEncoder;
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	14
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	15 import dwt.internal.image.LEDataOutputStream;
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	16 import dwt.internal.image.PngDeflater;
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	17 import dwt.dwthelper.ByteArrayOutputStream;
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	18 import dwt.dwthelper.OutputStream;
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	19 import dwt.DWT;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	20 import dwt.graphics.ImageData;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	21 import dwt.graphics.ImageLoader;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	22 import dwt.graphics.RGB;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	23 import dwt.internal.Compatibility;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	24 import dwt.internal.image.PngChunk;
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	25
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	26 import tango.core.Exception;
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	27
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	28 final class PngEncoder {
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	29
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	30 static const byte SIGNATURE[] = [cast(byte) '\211', cast(byte) 'P', cast(byte) 'N', cast(byte) 'G', cast(byte) '\r', cast(byte) '\n', cast(byte) '\032', cast(byte) '\n'];
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	31 static const byte TAG_IHDR[] = [cast(byte) 'I', cast(byte) 'H', cast(byte) 'D', cast(byte) 'R'];
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	32 static const byte TAG_PLTE[] = [cast(byte) 'P', cast(byte) 'L', cast(byte) 'T', cast(byte) 'E'];
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	33 static const byte TAG_TRNS[] = [cast(byte) 't', cast(byte) 'R', cast(byte) 'N', cast(byte) 'S'];
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	34 static const byte TAG_IDAT[] = [cast(byte) 'I', cast(byte) 'D', cast(byte) 'A', cast(byte) 'T'];
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	35 static const byte TAG_IEND[] = [cast(byte) 'I', cast(byte) 'E', cast(byte) 'N', cast(byte) 'D'];
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	36
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	37 ByteArrayOutputStream bytes;
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	38 PngChunk chunk;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	39
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	40 ImageLoader loader;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	41 ImageData data;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	42 int transparencyType;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	43
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	44 int width, height, bitDepth, colorType;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	45
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	46 int compressionMethod = 0;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	47 int filterMethod = 0;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	48 int interlaceMethod = 0;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	49
5 1a8b3cb347e0 Fix Ctors to 'this' Frank Benoit <benoit@tionex.de> parents: 0 diff changeset	50 public this(ImageLoader loader) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	51 this.bytes = new ByteArrayOutputStream(1024);
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	52 this.loader = loader;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	53 this.data = loader.data[0];
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	54 this.transparencyType = data.getTransparencyType();
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	55
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	56 this.width = data.width;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	57 this.height = data.height;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	58
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	59 this.bitDepth = 8;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	60
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	61 this.colorType = 2;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	62
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	63 if (data.palette.isDirect) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	64 if (transparencyType is DWT.TRANSPARENCY_ALPHA) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	65 this.colorType = 6;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	66 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	67 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	68 else {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	69 this.colorType = 3;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	70 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	71
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	72 if (!(colorType is 2 \|\| colorType is 3 \|\| colorType is 6)) DWT.error(DWT.ERROR_INVALID_IMAGE);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	73
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	74 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	75
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	76 void writeShort(ByteArrayOutputStream baos, int theShort) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	77
7 e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	78 byte byte1 = cast(byte) ((theShort >> 8) & 0xff);
e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	79 byte byte2 = cast(byte) (theShort & 0xff);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	80 byte[] temp = [byte1, byte2];
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	81 baos.write(temp, 0, 2);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	82
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	83 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	84
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	85 void writeInt(ByteArrayOutputStream baos, int theInt) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	86
7 e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	87 byte byte1 = cast(byte) ((theInt >> 24) & 0xff);
e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	88 byte byte2 = cast(byte) ((theInt >> 16) & 0xff);
e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	89 byte byte3 = cast(byte) ((theInt >> 8) & 0xff);
e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	90 byte byte4 = cast(byte) (theInt & 0xff);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	91 byte[] temp = [byte1, byte2, byte3, byte4];
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	92 baos.write(temp, 0, 4);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	93
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	94 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	95
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	96 void writeChunk(byte[] tag, byte[] buffer) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	97
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	98 int bufferLength = (buffer !is null) ? buffer.length : 0;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	99
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	100 chunk = new PngChunk(bufferLength);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	101
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	102 writeInt(bytes, bufferLength);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	103 bytes.write(tag, 0, 4);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	104 chunk.setType(tag);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	105 if (bufferLength !is 0) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	106 bytes.write(buffer, 0, bufferLength);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	107 chunk.setData(buffer);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	108 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	109 else {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	110 chunk.setCRC(chunk.computeCRC());
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	111 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	112 writeInt(bytes, chunk.getCRC());
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	113
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	114 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	115
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	116 void writeSignature() {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	117
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	118 bytes.write(SIGNATURE, 0, 8);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	119
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	120 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	121
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	122 void writeHeader() {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	123
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	124 ByteArrayOutputStream baos = new ByteArrayOutputStream(13);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	125
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	126 writeInt(baos, width);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	127 writeInt(baos, height);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	128 baos.write(bitDepth);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	129 baos.write(colorType);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	130 baos.write(compressionMethod);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	131 baos.write(filterMethod);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	132 baos.write(interlaceMethod);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	133
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	134 writeChunk(TAG_IHDR, baos.toByteArray());
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	135
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	136 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	137
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	138 void writePalette() {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	139
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	140 RGB[] RGBs = data.palette.getRGBs();
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	141
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	142 if (RGBs.length > 256) DWT.error(DWT.ERROR_INVALID_IMAGE);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	143
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	144 ByteArrayOutputStream baos = new ByteArrayOutputStream(RGBs.length);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	145
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	146 for (int i = 0; i < RGBs.length; i++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	147
7 e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	148 baos.write(cast(byte) RGBs[i].red);
e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	149 baos.write(cast(byte) RGBs[i].green);
e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	150 baos.write(cast(byte) RGBs[i].blue);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	151
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	152 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	153
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	154 writeChunk(TAG_PLTE, baos.toByteArray());
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	155
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	156 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	157
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	158 void writeTransparency() {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	159
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	160 ByteArrayOutputStream baos = new ByteArrayOutputStream();
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	161
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	162 switch (transparencyType) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	163
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	164 case DWT.TRANSPARENCY_ALPHA:
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	165
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	166 int pixelValue, alphaValue;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	167
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	168 byte[] alphas = new byte[data.palette.getRGBs().length];
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	169
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	170 for (int y = 0; y < height; y++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	171
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	172 for (int x = 0; x < width; x++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	173
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	174 pixelValue = data.getPixel(x, y);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	175 alphaValue = data.getAlpha(x, y);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	176
7 e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	177 alphas[pixelValue] = cast(byte) alphaValue;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	178
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	179 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	180
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	181 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	182
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	183 baos.write(alphas, 0, alphas.length);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	184
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	185 break;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	186
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	187 case DWT.TRANSPARENCY_PIXEL:
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	188
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	189 int pixel = data.transparentPixel;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	190
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	191 if (colorType is 2) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	192
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	193 int redMask = data.palette.redMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	194 int redShift = data.palette.redShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	195 int greenMask = data.palette.greenMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	196 int greenShift = data.palette.greenShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	197 int blueShift = data.palette.blueShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	198 int blueMask = data.palette.blueMask;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	199
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	200 int r = pixel & redMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	201 r = (redShift < 0) ? r >>> -redShift : r << redShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	202 int g = pixel & greenMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	203 g = (greenShift < 0) ? g >>> -greenShift : g << greenShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	204 int b = pixel & blueMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	205 b = (blueShift < 0) ? b >>> -blueShift : b << blueShift;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	206
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	207 writeShort(baos, r);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	208 writeShort(baos, g);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	209 writeShort(baos, b);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	210
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	211 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	212
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	213 if (colorType is 3) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	214
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	215 byte[] padding = new byte[pixel + 1];
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	216
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	217 for (int i = 0; i < pixel; i++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	218
7 e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	219 padding[i] = cast(byte) 255;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	220
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	221 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	222
7 e831403a80a9 Add 'cast' to casts Frank Benoit <benoit@tionex.de> parents: 6 diff changeset	223 padding[pixel] = cast(byte) 0;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	224
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	225 baos.write(padding, 0, padding.length);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	226
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	227 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	228
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	229 break;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	230 default:
5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	231
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	232 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	233
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	234 writeChunk(TAG_TRNS, baos.toByteArray());
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	235
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	236 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	237
6 b903c16b6f48 Removed throws decls Frank Benoit <benoit@tionex.de> parents: 5 diff changeset	238 void writeImageData() {
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	239
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	240 ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	241 OutputStream os = Compatibility.newDeflaterOutputStream(baos);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	242 if (os is null) os = baos;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	243
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	244 if (colorType is 3) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	245
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	246 byte[] lineData = new byte[width];
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	247
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	248 for (int y = 0; y < height; y++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	249
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	250 int filter = 0;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	251 os.write(filter);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	252
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	253 data.getPixels(0, y, width, lineData, 0);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	254
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	255 for (int x = 0; x < lineData.length; x++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	256
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	257 os.write(lineData[x]);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	258
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	259 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	260
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	261 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	262
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	263 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	264
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	265 else {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	266
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	267 int[] lineData = new int[width];
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	268 byte[] alphaData = null;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	269 if (colorType is 6) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	270 alphaData = new byte[width];
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	271 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	272
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	273 int redMask = data.palette.redMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	274 int redShift = data.palette.redShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	275 int greenMask = data.palette.greenMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	276 int greenShift = data.palette.greenShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	277 int blueShift = data.palette.blueShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	278 int blueMask = data.palette.blueMask;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	279
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	280 for (int y = 0; y < height; y++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	281
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	282 int filter = 0;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	283 os.write(filter);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	284
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	285 data.getPixels(0, y, width, lineData, 0);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	286
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	287 if (colorType is 6) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	288 data.getAlphas(0, y, width, alphaData, 0);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	289 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	290
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	291 for (int x = 0; x < lineData.length; x++) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	292
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	293 int pixel = lineData[x];
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	294
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	295 int r = pixel & redMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	296 r = (redShift < 0) ? r >>> -redShift : r << redShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	297 int g = pixel & greenMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	298 g = (greenShift < 0) ? g >>> -greenShift : g << greenShift;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	299 int b = pixel & blueMask;
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	300 b = (blueShift < 0) ? b >>> -blueShift : b << blueShift;
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	301
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	302 os.write(r);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	303 os.write(g);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	304 os.write(b);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	305
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	306 if (colorType is 6) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	307 os.write(alphaData[x]);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	308 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	309
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	310 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	311
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	312 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	313
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	314 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	315
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	316 os.flush();
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	317 os.close();
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	318
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	319 byte[] compressed = baos.toByteArray();
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	320 if (os is baos) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	321 PngDeflater deflater = new PngDeflater();
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	322 compressed = deflater.deflate(compressed);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	323 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	324
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	325 writeChunk(TAG_IDAT, compressed);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	326
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	327 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	328
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	329 void writeEnd() {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	330
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	331 writeChunk(TAG_IEND, null);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	332
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	333 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	334
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	335 public void encode(LEDataOutputStream outputStream) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	336
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	337 try {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	338
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	339 writeSignature();
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	340 writeHeader();
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	341
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	342 if (colorType is 3) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	343 writePalette();
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	344 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	345
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	346 bool transparencyAlpha = (transparencyType is DWT.TRANSPARENCY_ALPHA);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	347 bool transparencyPixel = (transparencyType is DWT.TRANSPARENCY_PIXEL);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	348 bool type2Transparency = (colorType is 2 && transparencyPixel);
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	349 bool type3Transparency = (colorType is 3 && (transparencyAlpha \|\| transparencyPixel));
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	350
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	351 if (type2Transparency \|\| type3Transparency) {
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	352 writeTransparency();
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	353 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	354
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	355 writeImageData();
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	356 writeEnd();
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	357
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	358 outputStream.write(bytes.toByteArray());
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	359
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	360 }
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	361
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	362 catch (IOException e) {
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	363
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	364 DWT.error(DWT.ERROR_IO, e);
34 5123b17c98ef Ported dwt.events., dwt.graphics.GC, Region, dwt.internal.image. Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: 7 diff changeset	365
0 380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	366 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	367
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	368 }
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	369
380af2bdd8e5 Upload of whole dwt tree Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> parents: diff changeset	370 }

Mercurial > projects > dwt-mac

annotate dwt/internal/image/PngEncoder.d @ 45:d8635bb48c7c