Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(509)

Side by Side Diff: ppapi/c/ppb_image_data.h

Issue 7282015: Misc. changes. Mostly formatting. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
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 #ifndef PPAPI_C_PPB_IMAGE_DATA_H_ 5 #ifndef PPAPI_C_PPB_IMAGE_DATA_H_
6 #define PPAPI_C_PPB_IMAGE_DATA_H_ 6 #define PPAPI_C_PPB_IMAGE_DATA_H_
7 7
8 #include "ppapi/c/pp_bool.h" 8 #include "ppapi/c/pp_bool.h"
9 #include "ppapi/c/pp_instance.h" 9 #include "ppapi/c/pp_instance.h"
10 #include "ppapi/c/pp_macros.h" 10 #include "ppapi/c/pp_macros.h"
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after
46 * <code>float alpha = 0.75f;</code> 46 * <code>float alpha = 0.75f;</code>
47 * ...components for image data are 8-bit values ranging from 0 to 255... 47 * ...components for image data are 8-bit values ranging from 0 to 255...
48 * <code>uint8_t image_data_red_premul = (uint8_t)(red * alpha * 255.0f); 48 * <code>uint8_t image_data_red_premul = (uint8_t)(red * alpha * 255.0f);
49 * </code> 49 * </code>
50 * <code>uint8_t image_data_green_premul = (uint8_t)(green * alpha * 255.0f); 50 * <code>uint8_t image_data_green_premul = (uint8_t)(green * alpha * 255.0f);
51 * </code> 51 * </code>
52 * <code>uint8_t image_data_blue_premul = (uint8_t)(blue * alpha * 255.0f); 52 * <code>uint8_t image_data_blue_premul = (uint8_t)(blue * alpha * 255.0f);
53 * </code> 53 * </code>
54 * <code>uint8_t image_data_alpha_premul = (uint8_t)(alpha * 255.0f);</code> 54 * <code>uint8_t image_data_alpha_premul = (uint8_t)(alpha * 255.0f);</code>
55 * 55 *
56 * Note: The resulting pre-multiplied red, green and blue components should not 56 * <strong>Note:</strong> The resulting pre-multiplied red, green and blue
57 * be greater than the alpha value. 57 * components should not be greater than the alpha value.
58 */ 58 */
59 typedef enum { 59 typedef enum {
60 PP_IMAGEDATAFORMAT_BGRA_PREMUL, 60 PP_IMAGEDATAFORMAT_BGRA_PREMUL,
61 PP_IMAGEDATAFORMAT_RGBA_PREMUL 61 PP_IMAGEDATAFORMAT_RGBA_PREMUL
62 } PP_ImageDataFormat; 62 } PP_ImageDataFormat;
63 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_ImageDataFormat, 4); 63 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_ImageDataFormat, 4);
64 /** 64 /**
65 * @} 65 * @}
66 */ 66 */
67 67
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after
117 * 117 *
118 * @return A <code>PP_ImageDataFormat</code> containing the preferred format. 118 * @return A <code>PP_ImageDataFormat</code> containing the preferred format.
119 */ 119 */
120 PP_ImageDataFormat (*GetNativeImageDataFormat)(); 120 PP_ImageDataFormat (*GetNativeImageDataFormat)();
121 121
122 /** 122 /**
123 * IsImageDataFormatSupported() determines if the given image data format is 123 * IsImageDataFormatSupported() determines if the given image data format is
124 * supported by the browser. 124 * supported by the browser.
125 * 125 *
126 * @param[in] format The image data format. 126 * @param[in] format The image data format.
127 *
127 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given 128 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given
128 * image data format is supported by the browser. 129 * image data format is supported by the browser.
129 */ 130 */
130 PP_Bool (*IsImageDataFormatSupported)(PP_ImageDataFormat format); 131 PP_Bool (*IsImageDataFormatSupported)(PP_ImageDataFormat format);
131 132
132 /** 133 /**
133 * Create() allocates an image data resource with the given format and size. 134 * Create() allocates an image data resource with the given format and size.
134 * 135 *
135 * For security reasons, if uninitialized, the bitmap will not contain random 136 * For security reasons, if uninitialized, the bitmap will not contain random
136 * memory, but may contain data from a previous image produced by the same 137 * memory, but may contain data from a previous image produced by the same
(...skipping 17 matching lines...) Expand all
154 PP_Resource (*Create)(PP_Instance instance, 155 PP_Resource (*Create)(PP_Instance instance,
155 PP_ImageDataFormat format, 156 PP_ImageDataFormat format,
156 const struct PP_Size* size, 157 const struct PP_Size* size,
157 PP_Bool init_to_zero); 158 PP_Bool init_to_zero);
158 159
159 /** 160 /**
160 * IsImageData() determiens if a given resource is image data. 161 * IsImageData() determiens if a given resource is image data.
161 * 162 *
162 * @param[in] image_data A <code>PP_Resource</code> corresponding to image 163 * @param[in] image_data A <code>PP_Resource</code> corresponding to image
163 * data. 164 * data.
165 *
164 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given 166 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given
165 * resrouce is an image data or <code>PP_FALSE</code> if the resource is 167 * resrouce is an image data or <code>PP_FALSE</code> if the resource is
166 * invalid or some type other than image data. 168 * invalid or some type other than image data.
167 */ 169 */
168 PP_Bool (*IsImageData)(PP_Resource image_data); 170 PP_Bool (*IsImageData)(PP_Resource image_data);
169 171
170 /** 172 /**
171 * Describe() computes the description of the 173 * Describe() computes the description of the
172 * image data. 174 * image data.
173 * 175 *
174 * @param[in] image_data A <code>PP_Resource</code> corresponding to image 176 * @param[in] image_data A <code>PP_Resource</code> corresponding to image
175 * data. 177 * data.
176 * @param[in,out] desc A pointer to a <code>PP_ImageDataDesc</code> 178 * @param[in,out] desc A pointer to a <code>PP_ImageDataDesc</code>
177 * containing the description. 179 * containing the description.
180 *
178 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> on success or 181 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> on success or
179 * <code>PP_FALSE</code> if the resource is not an image data. On 182 * <code>PP_FALSE</code> if the resource is not an image data. On
180 * <code>PP_FALSE</code>, the <code>desc</code> structure will be filled 183 * <code>PP_FALSE</code>, the <code>desc</code> structure will be filled
181 * with 0. 184 * with 0.
182 */ 185 */
183 PP_Bool (*Describe)(PP_Resource image_data, 186 PP_Bool (*Describe)(PP_Resource image_data,
184 struct PP_ImageDataDesc* desc); 187 struct PP_ImageDataDesc* desc);
185 188
186 /** 189 /**
187 * Map() maps an image data into the module address space. 190 * Map() maps an image data into the module address space.
188 * 191 *
189 * @param[in] image_data A <code>PP_Resource</code> corresponding to image 192 * @param[in] image_data A <code>PP_Resource</code> corresponding to image
190 * data. 193 * data.
194 *
191 * @return A pointer to the beginning of the data. 195 * @return A pointer to the beginning of the data.
192 */ 196 */
193 void* (*Map)(PP_Resource image_data); 197 void* (*Map)(PP_Resource image_data);
194 198
195 /** 199 /**
196 * Unmap is a pointer to a function that unmaps an image data from the module 200 * Unmap is a pointer to a function that unmaps an image data from the module
197 * address space. 201 * address space.
198 * 202 *
199 * @param[in] image_data A <code>PP_Resource</code> corresponding to image 203 * @param[in] image_data A <code>PP_Resource</code> corresponding to image
200 * data. 204 * data.
201 */ 205 */
202 void (*Unmap)(PP_Resource image_data); 206 void (*Unmap)(PP_Resource image_data);
203 }; 207 };
204 /** 208 /**
205 * @} 209 * @}
206 */ 210 */
207 211
208 #endif /* PPAPI_C_PPB_IMAGE_DATA_H_ */ 212 #endif /* PPAPI_C_PPB_IMAGE_DATA_H_ */
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698