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comparison dwt/graphics/TextLayout.d @ 7:e831403a80a9

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Add 'cast' to casts
author Frank Benoit <benoit@tionex.de>
date Wed, 27 Aug 2008 14:30:35 +0200
parents 1a8b3cb347e0
children db5a898b2119
comparison
equal deleted inserted replaced
6:b903c16b6f48 7:e831403a80a9
109 } 109 }
110 110
111 void computeRuns() { 111 void computeRuns() {
112 if (textStorage !is null) return; 112 if (textStorage !is null) return;
113 NSString str = NSString.stringWith(text); 113 NSString str = NSString.stringWith(text);
114 textStorage = ((NSTextStorage)new NSTextStorage().alloc()); 114 textStorage = (cast(NSTextStorage)new NSTextStorage().alloc());
115 textStorage.initWithString_(str); 115 textStorage.initWithString_(str);
116 layoutManager = (NSLayoutManager)new NSLayoutManager().alloc().init(); 116 layoutManager = cast(NSLayoutManager)new NSLayoutManager().alloc().init();
117 textContainer = (NSTextContainer)new NSTextContainer().alloc(); 117 textContainer = cast(NSTextContainer)new NSTextContainer().alloc();
118 NSSize size = new NSSize(); 118 NSSize size = new NSSize();
119 size.width = wrapWidth !is -1 ? wrapWidth : Float.MAX_VALUE; 119 size.width = wrapWidth !is -1 ? wrapWidth : Float.MAX_VALUE;
120 size.height = Float.MAX_VALUE; 120 size.height = Float.MAX_VALUE;
121 textContainer.initWithContainerSize(size); 121 textContainer.initWithContainerSize(size);
122 textStorage.addLayoutManager(layoutManager); 122 textStorage.addLayoutManager(layoutManager);
126 Font defaultFont = font !is null ? font : device.systemFont; 126 Font defaultFont = font !is null ? font : device.systemFont;
127 NSRange range = new NSRange(); 127 NSRange range = new NSRange();
128 range.length = str.length(); 128 range.length = str.length();
129 textStorage.addAttribute(OS.NSFontAttributeName(), defaultFont.handle, range); 129 textStorage.addAttribute(OS.NSFontAttributeName(), defaultFont.handle, range);
130 130
131 NSMutableParagraphStyle paragraph = (NSMutableParagraphStyle)new NSMutableParagraphStyle().alloc().init(); 131 NSMutableParagraphStyle paragraph = cast(NSMutableParagraphStyle)new NSMutableParagraphStyle().alloc().init();
132 int align = OS.NSLeftTextAlignment; 132 int align = OS.NSLeftTextAlignment;
133 if (justify) { 133 if (justify) {
134 align = OS.NSJustifiedTextAlignment; 134 align = OS.NSJustifiedTextAlignment;
135 } else { 135 } else {
136 switch (alignment) { 136 switch (alignment) {
421 Font font = this.font !is null ? this.font : device.systemFont; 421 Font font = this.font !is null ? this.font : device.systemFont;
422 NSFont nsFont = font.handle; 422 NSFont nsFont = font.handle;
423 rect.height = Math.max(rect.height, layoutManager.defaultLineHeightForFont(nsFont)); 423 rect.height = Math.max(rect.height, layoutManager.defaultLineHeightForFont(nsFont));
424 } 424 }
425 rect.height = Math.max(rect.height, ascent + descent); 425 rect.height = Math.max(rect.height, ascent + descent);
426 return new Rectangle(0, 0, (int)rect.width, (int)rect.height); 426 return new Rectangle(0, 0, cast(int)rect.width, cast(int)rect.height);
427 } 427 }
428 428
429 /** 429 /**
430 * Returns the bounds for the specified range of characters. The 430 * Returns the bounds for the specified range of characters. The
431 * bounds is the smallest rectangle that encompasses all characters 431 * bounds is the smallest rectangle that encompasses all characters
452 end = translateOffset(end); 452 end = translateOffset(end);
453 NSRange range = new NSRange(); 453 NSRange range = new NSRange();
454 range.location = layoutManager.glyphIndexForCharacterAtIndex(start); 454 range.location = layoutManager.glyphIndexForCharacterAtIndex(start);
455 range.length = layoutManager.glyphIndexForCharacterAtIndex(end + 1) - range.location; 455 range.length = layoutManager.glyphIndexForCharacterAtIndex(end + 1) - range.location;
456 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer); 456 NSRect rect = layoutManager.boundingRectForGlyphRange(range, textContainer);
457 return new Rectangle((int)rect.x, (int)rect.y, (int)Math.ceil(rect.width), (int)Math.ceil(rect.height)); 457 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)Math.ceil(rect.width), cast(int)Math.ceil(rect.height));
458 } 458 }
459 459
460 /** 460 /**
461 * Returns the descent of the receiver. 461 * Returns the descent of the receiver.
462 * 462 *
613 public Rectangle getLineBounds(int lineIndex) { 613 public Rectangle getLineBounds(int lineIndex) {
614 checkLayout(); 614 checkLayout();
615 computeRuns(); 615 computeRuns();
616 if (!(0 <= lineIndex && lineIndex < lineBounds.length)) DWT.error(DWT.ERROR_INVALID_RANGE); 616 if (!(0 <= lineIndex && lineIndex < lineBounds.length)) DWT.error(DWT.ERROR_INVALID_RANGE);
617 NSRect rect = lineBounds[lineIndex]; 617 NSRect rect = lineBounds[lineIndex];
618 return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height); 618 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)rect.width, cast(int)rect.height);
619 } 619 }
620 620
621 /** 621 /**
622 * Returns the receiver's line count. This includes lines caused 622 * Returns the receiver's line count. This includes lines caused
623 * by wrapping. 623 * by wrapping.
654 if (!(0 <= lineIndex && lineIndex < lineCount)) DWT.error(DWT.ERROR_INVALID_RANGE); 654 if (!(0 <= lineIndex && lineIndex < lineCount)) DWT.error(DWT.ERROR_INVALID_RANGE);
655 int length = text.length(); 655 int length = text.length();
656 if (length is 0) { 656 if (length is 0) {
657 Font font = this.font !is null ? this.font : device.systemFont; 657 Font font = this.font !is null ? this.font : device.systemFont;
658 NSFont nsFont = font.handle; 658 NSFont nsFont = font.handle;
659 int ascent = (int)(0.5f + nsFont.ascender()); 659 int ascent = cast(int)(0.5f + nsFont.ascender());
660 int descent = (int)(0.5f + (-nsFont.descender() + nsFont.leading())); 660 int descent = cast(int)(0.5f + (-nsFont.descender() + nsFont.leading()));
661 ascent = Math.max(ascent, this.ascent); 661 ascent = Math.max(ascent, this.ascent);
662 descent = Math.max(descent, this.descent); 662 descent = Math.max(descent, this.descent);
663 return FontMetrics.cocoa_new(ascent, descent, 0, 0, ascent + descent); 663 return FontMetrics.cocoa_new(ascent, descent, 0, 0, ascent + descent);
664 } 664 }
665 Rectangle rect = getLineBounds(lineIndex); 665 Rectangle rect = getLineBounds(lineIndex);
666 int baseline = (int)layoutManager.typesetter().baselineOffsetInLayoutManager(layoutManager, getLineOffsets()[lineIndex]); 666 int baseline = cast(int)layoutManager.typesetter().baselineOffsetInLayoutManager(layoutManager, getLineOffsets()[lineIndex]);
667 return FontMetrics.cocoa_new(rect.height - baseline, baseline, 0, 0, rect.height); 667 return FontMetrics.cocoa_new(rect.height - baseline, baseline, 0, 0, rect.height);
668 } 668 }
669 669
670 /** 670 /**
671 * Returns the location for the specified character offset. The 671 * Returns the location for the specified character offset. The
698 range.location = glyphIndex; 698 range.location = glyphIndex;
699 range.length = 1; 699 range.length = 1;
700 NSRect bounds = layoutManager.boundingRectForGlyphRange(range, textContainer); 700 NSRect bounds = layoutManager.boundingRectForGlyphRange(range, textContainer);
701 point.x += bounds.width; 701 point.x += bounds.width;
702 } 702 }
703 return new Point((int)point.x, (int)rect.y); 703 return new Point(cast(int)point.x, cast(int)rect.y);
704 } 704 }
705 705
706 /** 706 /**
707 * Returns the next offset for the specified offset and movement 707 * Returns the next offset for the specified offset and movement
708 * type. The movement is one of <code>DWT.MOVEMENT_CHAR</code>, 708 * type. The movement is one of <code>DWT.MOVEMENT_CHAR</code>,