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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/android/java_bitmap.h" | 5 #include "ui/gfx/android/java_bitmap.h" |
6 | 6 |
7 #include <android/bitmap.h> | 7 #include <android/bitmap.h> |
8 | 8 |
9 #include "base/android/jni_string.h" | 9 #include "base/android/jni_string.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "jni/BitmapHelper_jni.h" | 11 #include "jni/BitmapHelper_jni.h" |
12 #include "skia/ext/image_operations.h" | |
13 #include "ui/gfx/size.h" | 12 #include "ui/gfx/size.h" |
14 | 13 |
15 using base::android::AttachCurrentThread; | 14 using base::android::AttachCurrentThread; |
16 using base::android::ConvertUTF8ToJavaString; | 15 using base::android::ConvertUTF8ToJavaString; |
17 | 16 |
18 namespace gfx { | 17 namespace gfx { |
19 | 18 |
20 JavaBitmap::JavaBitmap(jobject bitmap) | 19 JavaBitmap::JavaBitmap(jobject bitmap) |
21 : bitmap_(bitmap), | 20 : bitmap_(bitmap), |
22 pixels_(NULL) { | 21 pixels_(NULL) { |
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62 ScopedJavaLocalRef<jobject> CreateJavaBitmap(int width, | 61 ScopedJavaLocalRef<jobject> CreateJavaBitmap(int width, |
63 int height, | 62 int height, |
64 SkColorType color_type) { | 63 SkColorType color_type) { |
65 DCHECK_GT(width, 0); | 64 DCHECK_GT(width, 0); |
66 DCHECK_GT(height, 0); | 65 DCHECK_GT(height, 0); |
67 int java_bitmap_config = SkColorTypeToBitmapFormat(color_type); | 66 int java_bitmap_config = SkColorTypeToBitmapFormat(color_type); |
68 return Java_BitmapHelper_createBitmap( | 67 return Java_BitmapHelper_createBitmap( |
69 AttachCurrentThread(), width, height, java_bitmap_config); | 68 AttachCurrentThread(), width, height, java_bitmap_config); |
70 } | 69 } |
71 | 70 |
| 71 ScopedJavaLocalRef<jobject> CreateJavaBitmapFromAndroidResource( |
| 72 const char* name, |
| 73 gfx::Size size) { |
| 74 DCHECK(name); |
| 75 DCHECK(!size.IsEmpty()); |
| 76 JNIEnv* env = AttachCurrentThread(); |
| 77 ScopedJavaLocalRef<jstring> jname(ConvertUTF8ToJavaString(env, name)); |
| 78 return Java_BitmapHelper_decodeDrawableResource( |
| 79 env, jname.obj(), size.width(), size.height()); |
| 80 } |
| 81 |
72 ScopedJavaLocalRef<jobject> ConvertToJavaBitmap(const SkBitmap* skbitmap) { | 82 ScopedJavaLocalRef<jobject> ConvertToJavaBitmap(const SkBitmap* skbitmap) { |
73 DCHECK(skbitmap); | 83 DCHECK(skbitmap); |
74 DCHECK(!skbitmap->isNull()); | 84 DCHECK(!skbitmap->isNull()); |
75 SkColorType color_type = skbitmap->colorType(); | 85 SkColorType color_type = skbitmap->colorType(); |
76 DCHECK((color_type == kRGB_565_SkColorType) || | 86 DCHECK((color_type == kRGB_565_SkColorType) || |
77 (color_type == kN32_SkColorType)); | 87 (color_type == kN32_SkColorType)); |
78 ScopedJavaLocalRef<jobject> jbitmap = CreateJavaBitmap( | 88 ScopedJavaLocalRef<jobject> jbitmap = CreateJavaBitmap( |
79 skbitmap->width(), skbitmap->height(), color_type); | 89 skbitmap->width(), skbitmap->height(), color_type); |
80 SkAutoLockPixels src_lock(*skbitmap); | 90 SkAutoLockPixels src_lock(*skbitmap); |
81 JavaBitmap dst_lock(jbitmap.obj()); | 91 JavaBitmap dst_lock(jbitmap.obj()); |
82 void* src_pixels = skbitmap->getPixels(); | 92 void* src_pixels = skbitmap->getPixels(); |
83 void* dst_pixels = dst_lock.pixels(); | 93 void* dst_pixels = dst_lock.pixels(); |
84 memcpy(dst_pixels, src_pixels, skbitmap->getSize()); | 94 memcpy(dst_pixels, src_pixels, skbitmap->getSize()); |
85 | 95 |
86 return jbitmap; | 96 return jbitmap; |
87 } | 97 } |
88 | 98 |
89 SkBitmap CreateSkBitmapFromAndroidResource(const char* name, gfx::Size size) { | |
90 DCHECK(name); | |
91 DCHECK(!size.IsEmpty()); | |
92 JNIEnv* env = AttachCurrentThread(); | |
93 ScopedJavaLocalRef<jstring> jname(ConvertUTF8ToJavaString(env, name)); | |
94 base::android::ScopedJavaLocalRef<jobject> jobj = | |
95 Java_BitmapHelper_decodeDrawableResource( | |
96 env, jname.obj(), size.width(), size.height()); | |
97 | |
98 if (jobj.is_null()) | |
99 return SkBitmap(); | |
100 | |
101 SkBitmap bitmap = CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(jobj.obj())); | |
102 if (bitmap.isNull()) | |
103 return bitmap; | |
104 | |
105 return skia::ImageOperations::Resize( | |
106 bitmap, skia::ImageOperations::RESIZE_BOX, size.width(), size.height()); | |
107 } | |
108 | |
109 SkBitmap CreateSkBitmapFromJavaBitmap(const JavaBitmap& jbitmap) { | 99 SkBitmap CreateSkBitmapFromJavaBitmap(const JavaBitmap& jbitmap) { |
110 // TODO(jdduke): Convert to DCHECK's when sufficient data has been capture for | 100 // TODO(jdduke): Convert to DCHECK's when sufficient data has been capture for |
111 // crbug.com/341406. | 101 // crbug.com/341406. |
112 CHECK_EQ(jbitmap.format(), ANDROID_BITMAP_FORMAT_RGBA_8888); | 102 CHECK_EQ(jbitmap.format(), ANDROID_BITMAP_FORMAT_RGBA_8888); |
113 CHECK(!jbitmap.size().IsEmpty()); | 103 CHECK(!jbitmap.size().IsEmpty()); |
114 CHECK_GT(jbitmap.stride(), 0U); | 104 CHECK_GT(jbitmap.stride(), 0U); |
115 CHECK(jbitmap.pixels()); | 105 CHECK(jbitmap.pixels()); |
116 | 106 |
117 gfx::Size src_size = jbitmap.size(); | 107 gfx::Size src_size = jbitmap.size(); |
118 | 108 |
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142 return kN32_SkColorType; | 132 return kN32_SkColorType; |
143 case BITMAP_FORMAT_RGB_565: | 133 case BITMAP_FORMAT_RGB_565: |
144 return kRGB_565_SkColorType; | 134 return kRGB_565_SkColorType; |
145 case BITMAP_FORMAT_NO_CONFIG: | 135 case BITMAP_FORMAT_NO_CONFIG: |
146 default: | 136 default: |
147 return kUnknown_SkColorType; | 137 return kUnknown_SkColorType; |
148 } | 138 } |
149 } | 139 } |
150 | 140 |
151 } // namespace gfx | 141 } // namespace gfx |
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