| // Copyright 2024 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| // |
| // SPDX-License-Identifier: Apache-2.0 OR MIT |
| |
| // ---------------- Wuffs' reimplementation of the STB API. |
| // |
| // This is a drop-in replacement of that third-party library. |
| // |
| // Disabled by default, unless you #define the |
| // WUFFS_CONFIG__ENABLE_DROP_IN_REPLACEMENT__STB macro beforehand. |
| // |
| // For API docs, see https://github.com/nothings/stb |
| |
| #if defined(WUFFS_CONFIG__ENABLE_DROP_IN_REPLACEMENT__STB) |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if defined(WUFFS_CONFIG__STATIC_FUNCTIONS) || defined(STB_IMAGE_STATIC) |
| #define WUFFS_DROP_IN__STB__MAYBE_STATIC static |
| #else |
| #define WUFFS_DROP_IN__STB__MAYBE_STATIC |
| #endif |
| |
| enum { |
| STBI_default = 0, |
| STBI_grey = 1, |
| STBI_grey_alpha = 2, |
| STBI_rgb = 3, |
| STBI_rgb_alpha = 4 |
| }; |
| |
| typedef unsigned char stbi_uc; |
| typedef unsigned short stbi_us; |
| |
| typedef struct { |
| int (*read)(void* user, char* data, int size); |
| void (*skip)(void* user, int n); |
| int (*eof)(void* user); |
| } stbi_io_callbacks; |
| |
| // -------- |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC int // |
| stbi_info_from_memory( // |
| stbi_uc const* buffer, // |
| int len, // |
| int* x, // |
| int* y, // |
| int* comp); |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC stbi_uc* // |
| stbi_load_from_memory( // |
| stbi_uc const* buffer, // |
| int len, // |
| int* x, // |
| int* y, // |
| int* channels_in_file, // |
| int desired_channels); |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC int // |
| stbi_info_from_callbacks( // |
| stbi_io_callbacks const* clbk, // |
| void* user, // |
| int* x, // |
| int* y, // |
| int* comp); |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC stbi_uc* // |
| stbi_load_from_callbacks( // |
| stbi_io_callbacks const* clbk, // |
| void* user, // |
| int* x, // |
| int* y, // |
| int* channels_in_file, // |
| int desired_channels); |
| |
| // -------- |
| |
| #if !defined(STBI_NO_STDIO) |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC int // |
| stbi_info( // |
| char const* filename, // |
| int* x, // |
| int* y, // |
| int* comp); |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC stbi_uc* // |
| stbi_load( // |
| char const* filename, // |
| int* x, // |
| int* y, // |
| int* channels_in_file, // |
| int desired_channels); |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC int // |
| stbi_info_from_file( // |
| FILE* f, // |
| int* x, // |
| int* y, // |
| int* comp); |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC stbi_uc* // |
| stbi_load_from_file( // |
| FILE* f, // |
| int* x, // |
| int* y, // |
| int* channels_in_file, // |
| int desired_channels); |
| |
| #endif // !defined(STBI_NO_STDIO) |
| |
| // -------- |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC void // |
| stbi_image_free( // |
| void* retval_from_stbi_load); |
| |
| WUFFS_DROP_IN__STB__MAYBE_STATIC const char* // |
| stbi_failure_reason(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // defined (WUFFS_CONFIG__ENABLE_DROP_IN_REPLACEMENT__STB) |
