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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #import <Cocoa/Cocoa.h> | |
| 6 | |
| 7 #include "gfx/canvas_skia.h" | |
| 8 | |
| 9 #include "base/mac/scoped_cftyperef.h" | |
| 10 #include "base/sys_string_conversions.h" | |
| 11 #include "gfx/font.h" | |
| 12 #include "gfx/rect.h" | |
| 13 #include "third_party/skia/include/core/SkShader.h" | |
| 14 | |
| 15 namespace gfx { | |
| 16 | |
| 17 CanvasSkia::CanvasSkia(int width, int height, bool is_opaque) | |
| 18 : skia::PlatformCanvas(width, height, is_opaque) { | |
| 19 } | |
| 20 | |
| 21 CanvasSkia::CanvasSkia() : skia::PlatformCanvas() { | |
| 22 } | |
| 23 | |
| 24 CanvasSkia::~CanvasSkia() { | |
| 25 } | |
| 26 | |
| 27 // static | |
| 28 void CanvasSkia::SizeStringInt(const string16& text, | |
| 29 const gfx::Font& font, | |
| 30 int* width, int* height, | |
| 31 int flags) { | |
| 32 NSFont* native_font = font.GetNativeFont(); | |
| 33 NSString* ns_string = base::SysUTF16ToNSString(text); | |
| 34 NSDictionary* attributes = | |
| 35 [NSDictionary dictionaryWithObject:native_font | |
| 36 forKey:NSFontAttributeName]; | |
| 37 NSSize string_size = [ns_string sizeWithAttributes:attributes]; | |
| 38 *width = string_size.width; | |
| 39 *height = font.GetHeight(); | |
| 40 } | |
| 41 | |
| 42 void CanvasSkia::DrawStringInt(const string16& text, | |
| 43 const gfx::Font& font, | |
| 44 const SkColor& color, | |
| 45 int x, int y, int w, int h, | |
| 46 int flags) { | |
| 47 if (!IntersectsClipRectInt(x, y, w, h)) | |
| 48 return; | |
| 49 | |
| 50 CGContextRef context = beginPlatformPaint(); | |
| 51 CGContextSaveGState(context); | |
| 52 | |
| 53 NSColor* ns_color = [NSColor colorWithDeviceRed:SkColorGetR(color) / 255.0 | |
| 54 green:SkColorGetG(color) / 255.0 | |
| 55 blue:SkColorGetB(color) / 255.0 | |
| 56 alpha:SkColorGetA(color) / 255.0]; | |
| 57 NSMutableParagraphStyle *ns_style = | |
| 58 [[[NSParagraphStyle alloc] init] autorelease]; | |
| 59 if (flags & TEXT_ALIGN_CENTER) | |
| 60 [ns_style setAlignment:NSCenterTextAlignment]; | |
| 61 // TODO(awalker): Implement the rest of the Canvas text flags | |
| 62 | |
| 63 NSDictionary* attributes = | |
| 64 [NSDictionary dictionaryWithObjectsAndKeys: | |
| 65 font.GetNativeFont(), NSFontAttributeName, | |
| 66 ns_color, NSForegroundColorAttributeName, | |
| 67 ns_style, NSParagraphStyleAttributeName, | |
| 68 nil]; | |
| 69 | |
| 70 NSAttributedString* ns_string = | |
| 71 [[[NSAttributedString alloc] initWithString:base::SysUTF16ToNSString(text) | |
| 72 attributes:attributes] autorelease]; | |
| 73 base::mac::ScopedCFTypeRef<CTFramesetterRef> framesetter( | |
| 74 CTFramesetterCreateWithAttributedString( | |
| 75 reinterpret_cast<CFAttributedStringRef>(ns_string))); | |
| 76 | |
| 77 CGRect text_bounds = CGRectMake(x, y, w, h); | |
| 78 CGMutablePathRef path = CGPathCreateMutable(); | |
| 79 CGPathAddRect(path, NULL, text_bounds); | |
| 80 | |
| 81 base::mac::ScopedCFTypeRef<CTFrameRef> frame( | |
| 82 CTFramesetterCreateFrame(framesetter, CFRangeMake(0, 0), path, NULL)); | |
| 83 CTFrameDraw(frame, context); | |
| 84 CGContextRestoreGState(context); | |
| 85 endPlatformPaint(); | |
| 86 } | |
| 87 | |
| 88 } // namespace gfx | |
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Chromium Code Reviews
Issue 6246027:
Move src/gfx/ to src/ui/gfx... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/