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Side by Side Diff: ui/gfx/image/image_mac.mm

Issue 17593006: mac: Update clients of scoped_nsobject.h. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: iwyu, scoped_nsprotocol Created 7 years, 5 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 "ui/gfx/image/image.h" 5 #include "ui/gfx/image/image.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/memory/scoped_nsobject.h" 10 #include "base/mac/scoped_nsobject.h"
11 #include "ui/gfx/image/image_png_rep.h" 11 #include "ui/gfx/image/image_png_rep.h"
12 #include "ui/gfx/size.h" 12 #include "ui/gfx/size.h"
13 13
14 namespace gfx { 14 namespace gfx {
15 namespace internal { 15 namespace internal {
16 16
17 namespace { 17 namespace {
18 18
19 // Returns a 16x16 red NSImage to visually show when a NSImage cannot be 19 // Returns a 16x16 red NSImage to visually show when a NSImage cannot be
20 // created from PNG data. 20 // created from PNG data.
21 // Caller takes ownership of the returned NSImage. 21 // Caller takes ownership of the returned NSImage.
22 NSImage* GetErrorNSImage() { 22 NSImage* GetErrorNSImage() {
23 NSRect rect = NSMakeRect(0, 0, 16, 16); 23 NSRect rect = NSMakeRect(0, 0, 16, 16);
24 NSImage* image = [[NSImage alloc] initWithSize:rect.size]; 24 NSImage* image = [[NSImage alloc] initWithSize:rect.size];
25 [image lockFocus]; 25 [image lockFocus];
26 [[NSColor colorWithDeviceRed:1.0 green:0.0 blue:0.0 alpha:1.0] set]; 26 [[NSColor colorWithDeviceRed:1.0 green:0.0 blue:0.0 alpha:1.0] set];
27 NSRectFill(rect); 27 NSRectFill(rect);
28 [image unlockFocus]; 28 [image unlockFocus];
29 return image; 29 return image;
30 } 30 }
31 31
32 } // namespace 32 } // namespace
33 33
34 scoped_refptr<base::RefCountedMemory> Get1xPNGBytesFromNSImage( 34 scoped_refptr<base::RefCountedMemory> Get1xPNGBytesFromNSImage(
35 NSImage* nsimage) { 35 NSImage* nsimage) {
36 CGImageRef cg_image = [nsimage CGImageForProposedRect:NULL 36 CGImageRef cg_image = [nsimage CGImageForProposedRect:NULL
37 context:nil 37 context:nil
38 hints:nil]; 38 hints:nil];
39 scoped_nsobject<NSBitmapImageRep> ns_bitmap( 39 base::scoped_nsobject<NSBitmapImageRep> ns_bitmap(
40 [[NSBitmapImageRep alloc] initWithCGImage:cg_image]); 40 [[NSBitmapImageRep alloc] initWithCGImage:cg_image]);
41 NSData* ns_data = [ns_bitmap representationUsingType:NSPNGFileType 41 NSData* ns_data = [ns_bitmap representationUsingType:NSPNGFileType
42 properties:nil]; 42 properties:nil];
43 const unsigned char* bytes = 43 const unsigned char* bytes =
44 static_cast<const unsigned char*>([ns_data bytes]); 44 static_cast<const unsigned char*>([ns_data bytes]);
45 scoped_refptr<base::RefCountedBytes> refcounted_bytes( 45 scoped_refptr<base::RefCountedBytes> refcounted_bytes(
46 new base::RefCountedBytes()); 46 new base::RefCountedBytes());
47 refcounted_bytes->data().assign(bytes, bytes + [ns_data length]); 47 refcounted_bytes->data().assign(bytes, bytes + [ns_data length]);
48 return refcounted_bytes; 48 return refcounted_bytes;
49 } 49 }
50 50
51 NSImage* NSImageFromPNG(const std::vector<gfx::ImagePNGRep>& image_png_reps, 51 NSImage* NSImageFromPNG(const std::vector<gfx::ImagePNGRep>& image_png_reps,
52 CGColorSpaceRef color_space) { 52 CGColorSpaceRef color_space) {
53 if (image_png_reps.empty()) { 53 if (image_png_reps.empty()) {
54 LOG(ERROR) << "Unable to decode PNG."; 54 LOG(ERROR) << "Unable to decode PNG.";
55 return GetErrorNSImage(); 55 return GetErrorNSImage();
56 } 56 }
57 57
58 scoped_nsobject<NSImage> image; 58 base::scoped_nsobject<NSImage> image;
59 for (size_t i = 0; i < image_png_reps.size(); ++i) { 59 for (size_t i = 0; i < image_png_reps.size(); ++i) {
60 scoped_refptr<base::RefCountedMemory> png = image_png_reps[i].raw_data; 60 scoped_refptr<base::RefCountedMemory> png = image_png_reps[i].raw_data;
61 CHECK(png.get()); 61 CHECK(png.get());
62 scoped_nsobject<NSData> ns_data( 62 base::scoped_nsobject<NSData> ns_data(
63 [[NSData alloc] initWithBytes:png->front() length:png->size()]); 63 [[NSData alloc] initWithBytes:png->front() length:png->size()]);
64 scoped_nsobject<NSBitmapImageRep> ns_image_rep( 64 base::scoped_nsobject<NSBitmapImageRep> ns_image_rep(
65 [[NSBitmapImageRep alloc] initWithData:ns_data]); 65 [[NSBitmapImageRep alloc] initWithData:ns_data]);
66 if (!ns_image_rep) { 66 if (!ns_image_rep) {
67 LOG(ERROR) << "Unable to decode PNG at " 67 LOG(ERROR) << "Unable to decode PNG at "
68 << ui::GetScaleFactorScale(image_png_reps[i].scale_factor) 68 << ui::GetScaleFactorScale(image_png_reps[i].scale_factor)
69 << "."; 69 << ".";
70 return GetErrorNSImage(); 70 return GetErrorNSImage();
71 } 71 }
72 72
73 // PNGCodec ignores colorspace related ancillary chunks (sRGB, iCCP). Ignore 73 // PNGCodec ignores colorspace related ancillary chunks (sRGB, iCCP). Ignore
74 // colorspace information when decoding directly from PNG to an NSImage so 74 // colorspace information when decoding directly from PNG to an NSImage so
75 // that the conversions: PNG -> SkBitmap -> NSImage and PNG -> NSImage 75 // that the conversions: PNG -> SkBitmap -> NSImage and PNG -> NSImage
76 // produce visually similar results. 76 // produce visually similar results.
77 CGColorSpaceModel decoded_color_space_model = CGColorSpaceGetModel( 77 CGColorSpaceModel decoded_color_space_model = CGColorSpaceGetModel(
78 [[ns_image_rep colorSpace] CGColorSpace]); 78 [[ns_image_rep colorSpace] CGColorSpace]);
79 CGColorSpaceModel color_space_model = CGColorSpaceGetModel(color_space); 79 CGColorSpaceModel color_space_model = CGColorSpaceGetModel(color_space);
80 if (decoded_color_space_model == color_space_model) { 80 if (decoded_color_space_model == color_space_model) {
81 scoped_nsobject<NSColorSpace> ns_color_space( 81 base::scoped_nsobject<NSColorSpace> ns_color_space(
82 [[NSColorSpace alloc] initWithCGColorSpace:color_space]); 82 [[NSColorSpace alloc] initWithCGColorSpace:color_space]);
83 NSBitmapImageRep* ns_retagged_image_rep = 83 NSBitmapImageRep* ns_retagged_image_rep =
84 [ns_image_rep 84 [ns_image_rep
85 bitmapImageRepByRetaggingWithColorSpace:ns_color_space]; 85 bitmapImageRepByRetaggingWithColorSpace:ns_color_space];
86 if (ns_retagged_image_rep && ns_retagged_image_rep != ns_image_rep) 86 if (ns_retagged_image_rep && ns_retagged_image_rep != ns_image_rep)
87 ns_image_rep.reset([ns_retagged_image_rep retain]); 87 ns_image_rep.reset([ns_retagged_image_rep retain]);
88 } 88 }
89 89
90 if (!image.get()) { 90 if (!image.get()) {
91 float scale = ui::GetScaleFactorScale(image_png_reps[i].scale_factor); 91 float scale = ui::GetScaleFactorScale(image_png_reps[i].scale_factor);
(...skipping 10 matching lines...) Expand all
102 gfx::Size NSImageSize(NSImage* image) { 102 gfx::Size NSImageSize(NSImage* image) {
103 NSSize size = [image size]; 103 NSSize size = [image size];
104 int width = static_cast<int>(size.width); 104 int width = static_cast<int>(size.width);
105 int height = static_cast<int>(size.height); 105 int height = static_cast<int>(size.height);
106 return gfx::Size(width, height); 106 return gfx::Size(width, height);
107 } 107 }
108 108
109 } // namespace internal 109 } // namespace internal
110 } // namespace gfx 110 } // namespace gfx
111 111
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