| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (image.h). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef __RARCH_IMAGE_CONTEXT_H |
| 24 | #define __RARCH_IMAGE_CONTEXT_H |
| 25 | |
| 26 | #include <stdint.h> |
| 27 | #include <stddef.h> |
| 28 | |
| 29 | #include <retro_common_api.h> |
| 30 | |
| 31 | #include <boolean.h> |
| 32 | |
| 33 | RETRO_BEGIN_DECLS |
| 34 | |
| 35 | enum image_process_code |
| 36 | { |
| 37 | IMAGE_PROCESS_ERROR = -2, |
| 38 | IMAGE_PROCESS_ERROR_END = -1, |
| 39 | IMAGE_PROCESS_NEXT = 0, |
| 40 | IMAGE_PROCESS_END = 1 |
| 41 | }; |
| 42 | |
| 43 | struct texture_image |
| 44 | { |
| 45 | uint32_t *pixels; |
| 46 | unsigned width; |
| 47 | unsigned height; |
| 48 | bool supports_rgba; |
| 49 | }; |
| 50 | |
| 51 | enum image_type_enum |
| 52 | { |
| 53 | IMAGE_TYPE_NONE = 0, |
| 54 | IMAGE_TYPE_PNG, |
| 55 | IMAGE_TYPE_JPEG, |
| 56 | IMAGE_TYPE_BMP, |
| 57 | IMAGE_TYPE_TGA |
| 58 | }; |
| 59 | |
| 60 | enum image_type_enum image_texture_get_type(const char *path); |
| 61 | |
| 62 | bool image_texture_set_color_shifts(unsigned *r_shift, unsigned *g_shift, |
| 63 | unsigned *b_shift, unsigned *a_shift, |
| 64 | struct texture_image *out_img); |
| 65 | |
| 66 | bool image_texture_color_convert(unsigned r_shift, |
| 67 | unsigned g_shift, unsigned b_shift, unsigned a_shift, |
| 68 | struct texture_image *out_img); |
| 69 | |
| 70 | bool image_texture_load_buffer(struct texture_image *img, |
| 71 | enum image_type_enum type, void *buffer, size_t buffer_len); |
| 72 | |
| 73 | bool image_texture_load(struct texture_image *img, const char *path); |
| 74 | void image_texture_free(struct texture_image *img); |
| 75 | |
| 76 | /* Image transfer */ |
| 77 | |
| 78 | void image_transfer_free(void *data, enum image_type_enum type); |
| 79 | |
| 80 | void *image_transfer_new(enum image_type_enum type); |
| 81 | |
| 82 | bool image_transfer_start(void *data, enum image_type_enum type); |
| 83 | |
| 84 | void image_transfer_set_buffer_ptr( |
| 85 | void *data, |
| 86 | enum image_type_enum type, |
| 87 | void *ptr, |
| 88 | size_t len); |
| 89 | |
| 90 | int image_transfer_process( |
| 91 | void *data, |
| 92 | enum image_type_enum type, |
| 93 | uint32_t **buf, size_t size, |
| 94 | unsigned *width, unsigned *height); |
| 95 | |
| 96 | bool image_transfer_iterate(void *data, enum image_type_enum type); |
| 97 | |
| 98 | bool image_transfer_is_valid(void *data, enum image_type_enum type); |
| 99 | |
| 100 | RETRO_END_DECLS |
| 101 | |
| 102 | #endif |