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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "skia/ext/skia_utils_mac.h" | 5 #include "skia/ext/skia_utils_mac.h" |
6 | 6 |
7 #import <AppKit/AppKit.h> | 7 #import <AppKit/AppKit.h> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/mac/mac_util.h" | |
10 #include "base/mac/scoped_cftyperef.h" | 11 #include "base/mac/scoped_cftyperef.h" |
11 #include "base/memory/scoped_nsobject.h" | 12 #include "base/memory/scoped_nsobject.h" |
12 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
13 #include "skia/ext/bitmap_platform_device_mac.h" | 14 #include "skia/ext/bitmap_platform_device_mac.h" |
15 #include "third_party/skia/include/core/SkRegion.h" | |
14 #include "third_party/skia/include/utils/mac/SkCGUtils.h" | 16 #include "third_party/skia/include/utils/mac/SkCGUtils.h" |
15 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h" | 17 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h" |
16 | 18 |
17 // 10.6 API that we use if available. | 19 // 10.6 API that we use if available. |
18 #if !defined(MAC_OS_X_VERSION_10_6) || \ | 20 #if !defined(MAC_OS_X_VERSION_10_6) || \ |
19 MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6 | 21 MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6 |
20 | 22 |
21 @interface NSImageRep (NSObject) | 23 @interface NSImageRep (NSObject) |
22 | 24 |
23 - (BOOL)drawInRect:(NSRect)dstSpacePortionRect | 25 - (BOOL)drawInRect:(NSRect)dstSpacePortionRect |
(...skipping 253 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
277 | 279 |
278 [image setSize:min_size]; | 280 [image setSize:min_size]; |
279 return [image.release() autorelease]; | 281 return [image.release() autorelease]; |
280 } | 282 } |
281 | 283 |
282 SkBitmap AppplicationIconAtSize(int size) { | 284 SkBitmap AppplicationIconAtSize(int size) { |
283 NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"]; | 285 NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"]; |
284 return NSImageToSkBitmap(image, NSMakeSize(size, size), /* is_opaque=*/true); | 286 return NSImageToSkBitmap(image, NSMakeSize(size, size), /* is_opaque=*/true); |
285 } | 287 } |
286 | 288 |
289 | |
290 SkiaBitLocker::SkiaBitLocker(SkCanvas* canvas) | |
291 : m_canvas(canvas) | |
292 , m_cgContext(0) { | |
Nico
2011/05/16 15:13:00
, goes on previous line
_cary
2011/05/16 15:58:02
Done.
| |
293 } | |
294 | |
295 SkiaBitLocker::~SkiaBitLocker() { | |
296 releaseIfNeeded(); | |
297 } | |
298 | |
299 void SkiaBitLocker::releaseIfNeeded() { | |
300 if (!m_cgContext) | |
301 return; | |
302 m_canvas->getDevice()->accessBitmap(true).unlockPixels(); | |
303 CGContextRelease(m_cgContext); | |
304 m_cgContext = 0; | |
305 } | |
306 | |
307 CGContextRef SkiaBitLocker::cgContext() { | |
308 SkDevice* device = m_canvas->getDevice(); | |
309 DCHECK(device); | |
310 if (!device) | |
311 return 0; | |
312 releaseIfNeeded(); | |
313 const SkBitmap& bitmap = device->accessBitmap(true); | |
314 bitmap.lockPixels(); | |
315 void* pixels = bitmap.getPixels(); | |
316 m_cgContext = CGBitmapContextCreate(pixels, device->width(), | |
317 device->height(), 8, bitmap.rowBytes(), CGColorSpaceCreateDeviceRGB(), | |
318 kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); | |
319 | |
320 // Apply device matrix. | |
321 CGAffineTransform contentsTransform = CGAffineTransformMakeScale(1, -1); | |
322 contentsTransform = CGAffineTransformTranslate(contentsTransform, 0, | |
323 -device->height()); | |
324 CGContextConcatCTM(m_cgContext, contentsTransform); | |
325 | |
326 // Apply clip in device coordinates. | |
327 CGMutablePathRef clipPath = CGPathCreateMutable(); | |
328 SkRegion::Iterator iter(m_canvas->getTotalClip()); | |
329 for (; !iter.done(); iter.next()) { | |
330 const SkIRect& skRect = iter.rect(); | |
331 CGRect cgRect = SkIRectToCGRect(skRect); | |
332 CGPathAddRect(clipPath, 0, cgRect); | |
333 } | |
334 CGContextAddPath(m_cgContext, clipPath); | |
335 CGContextClip(m_cgContext); | |
336 CGPathRelease(clipPath); | |
337 | |
338 // Apply content matrix. | |
339 const SkMatrix& skMatrix = m_canvas->getTotalMatrix(); | |
340 CGAffineTransform affine = SkMatrixToCGAffineTransform(skMatrix); | |
341 CGContextConcatCTM(m_cgContext, affine); | |
342 | |
343 return m_cgContext; | |
344 } | |
345 | |
287 } // namespace gfx | 346 } // namespace gfx |
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