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41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
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// this source file includes the implementations of stb_image and stb_image_write
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// having it in a separate source file allows optimizing it in debug builds (for faster load times)
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// without hurting the debugability of the source files stb_image(_write) is used in
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// include this first, otherwise build breaks because of use_idStr_* #defines in Str.h
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#if defined(__APPLE__) && !defined(__clang__) && defined(__GNUC__) && __GNUC__ < 5
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// Extra-Hack for ancient GCC 4.2-based Apple compilers that don't support __thread
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#define STBI_NO_THREAD_LOCALS
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#endif
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#define STB_IMAGE_IMPLEMENTATION
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#define STBI_NO_HDR
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#define STBI_NO_LINEAR
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#define STBI_ONLY_JPEG // at least for now, only use it for JPEG
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#define STBI_NO_STDIO // images are passed as buffers
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#include "stb_image.h"
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#include "framework/miniz/miniz.h"
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static unsigned char* compress_for_stbiw(unsigned char* data, int data_len, int* out_len, int quality)
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{
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uLongf bufSize = compressBound(data_len);
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// note that buf will be free'd by stb_image_write.h
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// with STBIW_FREE() (plain free() by default)
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unsigned char* buf = (unsigned char*)malloc(bufSize);
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if (buf == NULL) return NULL;
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if (compress2(buf, &bufSize, data, data_len, quality) != Z_OK)
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{
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free(buf);
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return NULL;
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}
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*out_len = bufSize;
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return buf;
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}
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#define STBIW_ZLIB_COMPRESS compress_for_stbiw
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#include "stb_image_write.h"
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