2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/public-api/images/pixel.h>
22 #include <dali/public-api/common/dali-common.h>
23 #include <dali/integration-api/debug.h>
28 bool Pixel::HasAlpha(Format pixelformat)
40 // Note, Can be used for alpha if you want: COMPRESSED_R11_EAC, ///< ETC2 / EAC single-channel, unsigned
41 // Note, Can be used for alpha if you want: COMPRESSED_SIGNED_R11_EAC, ///< ETC2 / EAC single-channel, signed
42 case COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
43 case COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
44 case COMPRESSED_RGBA8_ETC2_EAC:
45 case COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
46 case COMPRESSED_RGBA_ASTC_4x4_KHR:
47 case COMPRESSED_RGBA_ASTC_5x4_KHR:
48 case COMPRESSED_RGBA_ASTC_5x5_KHR:
49 case COMPRESSED_RGBA_ASTC_6x5_KHR:
50 case COMPRESSED_RGBA_ASTC_6x6_KHR:
51 case COMPRESSED_RGBA_ASTC_8x5_KHR:
52 case COMPRESSED_RGBA_ASTC_8x6_KHR:
53 case COMPRESSED_RGBA_ASTC_8x8_KHR:
54 case COMPRESSED_RGBA_ASTC_10x5_KHR:
55 case COMPRESSED_RGBA_ASTC_10x6_KHR:
56 case COMPRESSED_RGBA_ASTC_10x8_KHR:
57 case COMPRESSED_RGBA_ASTC_10x10_KHR:
58 case COMPRESSED_RGBA_ASTC_12x10_KHR:
59 case COMPRESSED_RGBA_ASTC_12x12_KHR:
60 case COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
61 case COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
62 case COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
63 case COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
64 case COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
65 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
66 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
67 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
68 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
69 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
70 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
71 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
72 case COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
73 case COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
81 case RGB8888: // alpha not used
82 case BGR8888: // alpha not used
84 case COMPRESSED_R11_EAC:
85 case COMPRESSED_SIGNED_R11_EAC:
86 case COMPRESSED_RG11_EAC:
87 case COMPRESSED_SIGNED_RG11_EAC:
88 case COMPRESSED_RGB8_ETC2:
89 case COMPRESSED_SRGB8_ETC2:
90 case COMPRESSED_RGB8_ETC1:
91 case COMPRESSED_RGB_PVRTC_4BPPV1:
100 unsigned int Pixel::GetBytesPerPixel(Format pixelFormat)
134 case COMPRESSED_R11_EAC:
135 case COMPRESSED_SIGNED_R11_EAC:
136 case COMPRESSED_RG11_EAC:
137 case COMPRESSED_SIGNED_RG11_EAC:
138 case COMPRESSED_RGB8_ETC2:
139 case COMPRESSED_SRGB8_ETC2:
140 case COMPRESSED_RGB8_ETC1:
141 case COMPRESSED_RGB_PVRTC_4BPPV1:
142 case COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
143 case COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
144 case COMPRESSED_RGBA8_ETC2_EAC:
145 case COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
146 case COMPRESSED_RGBA_ASTC_4x4_KHR:
147 case COMPRESSED_RGBA_ASTC_5x4_KHR:
148 case COMPRESSED_RGBA_ASTC_5x5_KHR:
149 case COMPRESSED_RGBA_ASTC_6x5_KHR:
150 case COMPRESSED_RGBA_ASTC_6x6_KHR:
151 case COMPRESSED_RGBA_ASTC_8x5_KHR:
152 case COMPRESSED_RGBA_ASTC_8x6_KHR:
153 case COMPRESSED_RGBA_ASTC_8x8_KHR:
154 case COMPRESSED_RGBA_ASTC_10x5_KHR:
155 case COMPRESSED_RGBA_ASTC_10x6_KHR:
156 case COMPRESSED_RGBA_ASTC_10x8_KHR:
157 case COMPRESSED_RGBA_ASTC_10x10_KHR:
158 case COMPRESSED_RGBA_ASTC_12x10_KHR:
159 case COMPRESSED_RGBA_ASTC_12x12_KHR:
160 case COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
161 case COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
162 case COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
163 case COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
164 case COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
165 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
166 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
167 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
168 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
169 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
170 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
171 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
172 case COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
173 case COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
176 DALI_LOG_ERROR("Pixel formats for compressed images do not have meaningful integer bits per pixel values.\n");
183 void Pixel::GetAlphaOffsetAndMask(Format pixelFormat, int& byteOffset, int& bitMask)
237 case COMPRESSED_R11_EAC:
238 case COMPRESSED_SIGNED_R11_EAC:
239 case COMPRESSED_RG11_EAC:
240 case COMPRESSED_SIGNED_RG11_EAC:
241 case COMPRESSED_RGB8_ETC2:
242 case COMPRESSED_SRGB8_ETC2:
243 case COMPRESSED_RGB8_ETC1:
244 case COMPRESSED_RGB_PVRTC_4BPPV1:
245 case COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
246 case COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
247 case COMPRESSED_RGBA8_ETC2_EAC:
248 case COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
249 case COMPRESSED_RGBA_ASTC_4x4_KHR:
250 case COMPRESSED_RGBA_ASTC_5x4_KHR:
251 case COMPRESSED_RGBA_ASTC_5x5_KHR:
252 case COMPRESSED_RGBA_ASTC_6x5_KHR:
253 case COMPRESSED_RGBA_ASTC_6x6_KHR:
254 case COMPRESSED_RGBA_ASTC_8x5_KHR:
255 case COMPRESSED_RGBA_ASTC_8x6_KHR:
256 case COMPRESSED_RGBA_ASTC_8x8_KHR:
257 case COMPRESSED_RGBA_ASTC_10x5_KHR:
258 case COMPRESSED_RGBA_ASTC_10x6_KHR:
259 case COMPRESSED_RGBA_ASTC_10x8_KHR:
260 case COMPRESSED_RGBA_ASTC_10x10_KHR:
261 case COMPRESSED_RGBA_ASTC_12x10_KHR:
262 case COMPRESSED_RGBA_ASTC_12x12_KHR:
263 case COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
264 case COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
265 case COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
266 case COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
267 case COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
268 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
269 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
270 case COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
271 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
272 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
273 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
274 case COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
275 case COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
276 case COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
279 DALI_LOG_ERROR("Pixel formats for compressed images are not compatible with simple masking-out of per-pixel alpha.\n");