| 1 | /** |
| 2 | * Copyright (c) 2006-2023 LOVE Development Team |
| 3 | * |
| 4 | * This software is provided 'as-is', without any express or implied |
| 5 | * warranty. In no event will the authors be held liable for any damages |
| 6 | * arising from the use of this software. |
| 7 | * |
| 8 | * Permission is granted to anyone to use this software for any purpose, |
| 9 | * including commercial applications, and to alter it and redistribute it |
| 10 | * freely, subject to the following restrictions: |
| 11 | * |
| 12 | * 1. The origin of this software must not be misrepresented; you must not |
| 13 | * claim that you wrote the original software. If you use this software |
| 14 | * in a product, an acknowledgment in the product documentation would be |
| 15 | * appreciated but is not required. |
| 16 | * 2. Altered source versions must be plainly marked as such, and must not be |
| 17 | * misrepresented as being the original software. |
| 18 | * 3. This notice may not be removed or altered from any source distribution. |
| 19 | **/ |
| 20 | |
| 21 | #pragma once |
| 22 | |
| 23 | // LOVE |
| 24 | #include "common/int.h" |
| 25 | #include "common/pixelformat.h" |
| 26 | #include "common/Object.h" |
| 27 | #include "ImageDataBase.h" |
| 28 | |
| 29 | namespace love |
| 30 | { |
| 31 | namespace image |
| 32 | { |
| 33 | |
| 34 | class CompressedMemory : public Object |
| 35 | { |
| 36 | public: |
| 37 | |
| 38 | CompressedMemory(size_t size); |
| 39 | virtual ~CompressedMemory(); |
| 40 | |
| 41 | uint8 *data; |
| 42 | size_t size; |
| 43 | |
| 44 | }; // CompressedMemory |
| 45 | |
| 46 | // Compressed image data can have multiple mipmap levels, each represented by a |
| 47 | // sub-image. |
| 48 | class CompressedSlice : public ImageDataBase |
| 49 | { |
| 50 | public: |
| 51 | |
| 52 | CompressedSlice(PixelFormat format, int width, int height, CompressedMemory *memory, size_t offset, size_t size); |
| 53 | CompressedSlice(const CompressedSlice &slice); |
| 54 | virtual ~CompressedSlice(); |
| 55 | |
| 56 | CompressedSlice *clone() const override; |
| 57 | void *getData() const override { return memory->data + offset; } |
| 58 | size_t getSize() const override { return dataSize; } |
| 59 | bool isSRGB() const override { return sRGB; } |
| 60 | size_t getOffset() const { return offset; } |
| 61 | |
| 62 | private: |
| 63 | |
| 64 | StrongRef<CompressedMemory> memory; |
| 65 | size_t offset; |
| 66 | size_t dataSize; |
| 67 | bool sRGB; |
| 68 | |
| 69 | }; // CompressedSlice |
| 70 | |
| 71 | } // image |
| 72 | } // love |
| 73 | |