diff options
author | Loek Le Blansch <loek@pipeframe.xyz> | 2024-12-22 12:32:22 +0100 |
---|---|---|
committer | Loek Le Blansch <loek@pipeframe.xyz> | 2024-12-22 12:32:22 +0100 |
commit | 61148c757a1f742ff09e40e5347e74e638c7371c (patch) | |
tree | a2e40998981fa6f12430d2a1254250219f30d44f /mwe/resource-manager/stb_image.h | |
parent | e2162171c7ab72f450f73a0908946aa4a4dee5ee (diff) |
Diffstat (limited to 'mwe/resource-manager/stb_image.h')
-rw-r--r-- | mwe/resource-manager/stb_image.h | 788 |
1 files changed, 468 insertions, 320 deletions
diff --git a/mwe/resource-manager/stb_image.h b/mwe/resource-manager/stb_image.h index 3462f3a..43fa6a6 100644 --- a/mwe/resource-manager/stb_image.h +++ b/mwe/resource-manager/stb_image.h @@ -409,9 +409,12 @@ extern "C" { typedef struct { int (*read)( void * user, char * data, - int size); // fill 'data' with 'size' bytes. return number of bytes actually read - void (*skip)(void * user, - int n); // skip the next 'n' bytes, or 'unget' the last -n bytes if negative + int size + ); // fill 'data' with 'size' bytes. return number of bytes actually read + void (*skip)( + void * user, + int n + ); // skip the next 'n' bytes, or 'unget' the last -n bytes if negative int (*eof)(void * user); // returns nonzero if we are at end of file/data } stbi_io_callbacks; @@ -420,24 +423,29 @@ typedef struct { // 8-bits-per-channel interface // -STBIDEF stbi_uc * stbi_load_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * channels_in_file, int desired_channels); -STBIDEF stbi_uc * stbi_load_from_callbacks(stbi_io_callbacks const * clbk, void * user, - int * x, int * y, int * channels_in_file, - int desired_channels); +STBIDEF stbi_uc * stbi_load_from_memory( + stbi_uc const * buffer, int len, int * x, int * y, int * channels_in_file, + int desired_channels +); +STBIDEF stbi_uc * stbi_load_from_callbacks( + stbi_io_callbacks const * clbk, void * user, int * x, int * y, int * channels_in_file, + int desired_channels +); #ifndef STBI_NO_STDIO -STBIDEF stbi_uc * stbi_load(char const * filename, int * x, int * y, int * channels_in_file, - int desired_channels); -STBIDEF stbi_uc * stbi_load_from_file(FILE * f, int * x, int * y, int * channels_in_file, - int desired_channels); +STBIDEF stbi_uc * stbi_load( + char const * filename, int * x, int * y, int * channels_in_file, int desired_channels +); +STBIDEF stbi_uc * +stbi_load_from_file(FILE * f, int * x, int * y, int * channels_in_file, int desired_channels); // for stbi_load_from_file, file pointer is left pointing immediately after image #endif #ifndef STBI_NO_GIF -STBIDEF stbi_uc * stbi_load_gif_from_memory(stbi_uc const * buffer, int len, int ** delays, - int * x, int * y, int * z, int * comp, - int req_comp); +STBIDEF stbi_uc * stbi_load_gif_from_memory( + stbi_uc const * buffer, int len, int ** delays, int * x, int * y, int * z, int * comp, + int req_comp +); #endif #ifdef STBI_WINDOWS_UTF8 @@ -449,17 +457,22 @@ STBIDEF int stbi_convert_wchar_to_utf8(char * buffer, size_t bufferlen, const wc // 16-bits-per-channel interface // -STBIDEF stbi_us * stbi_load_16_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * channels_in_file, int desired_channels); -STBIDEF stbi_us * stbi_load_16_from_callbacks(stbi_io_callbacks const * clbk, void * user, - int * x, int * y, int * channels_in_file, - int desired_channels); +STBIDEF stbi_us * stbi_load_16_from_memory( + stbi_uc const * buffer, int len, int * x, int * y, int * channels_in_file, + int desired_channels +); +STBIDEF stbi_us * stbi_load_16_from_callbacks( + stbi_io_callbacks const * clbk, void * user, int * x, int * y, int * channels_in_file, + int desired_channels +); #ifndef STBI_NO_STDIO -STBIDEF stbi_us * stbi_load_16(char const * filename, int * x, int * y, int * channels_in_file, - int desired_channels); -STBIDEF stbi_us * stbi_load_from_file_16(FILE * f, int * x, int * y, int * channels_in_file, - int desired_channels); +STBIDEF stbi_us * stbi_load_16( + char const * filename, int * x, int * y, int * channels_in_file, int desired_channels +); +STBIDEF stbi_us * stbi_load_from_file_16( + FILE * f, int * x, int * y, int * channels_in_file, int desired_channels +); #endif //////////////////////////////////// @@ -467,17 +480,21 @@ STBIDEF stbi_us * stbi_load_from_file_16(FILE * f, int * x, int * y, int * chann // float-per-channel interface // #ifndef STBI_NO_LINEAR -STBIDEF float * stbi_loadf_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * channels_in_file, int desired_channels); -STBIDEF float * stbi_loadf_from_callbacks(stbi_io_callbacks const * clbk, void * user, int * x, - int * y, int * channels_in_file, - int desired_channels); +STBIDEF float * stbi_loadf_from_memory( + stbi_uc const * buffer, int len, int * x, int * y, int * channels_in_file, + int desired_channels +); +STBIDEF float * stbi_loadf_from_callbacks( + stbi_io_callbacks const * clbk, void * user, int * x, int * y, int * channels_in_file, + int desired_channels +); #ifndef STBI_NO_STDIO -STBIDEF float * stbi_loadf(char const * filename, int * x, int * y, int * channels_in_file, - int desired_channels); -STBIDEF float * stbi_loadf_from_file(FILE * f, int * x, int * y, int * channels_in_file, - int desired_channels); +STBIDEF float * stbi_loadf( + char const * filename, int * x, int * y, int * channels_in_file, int desired_channels +); +STBIDEF float * +stbi_loadf_from_file(FILE * f, int * x, int * y, int * channels_in_file, int desired_channels); #endif #endif @@ -507,10 +524,11 @@ STBIDEF const char * stbi_failure_reason(void); STBIDEF void stbi_image_free(void * retval_from_stbi_load); // get image dimensions & components without fully decoding -STBIDEF int stbi_info_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * comp); -STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const * clbk, void * user, int * x, - int * y, int * comp); +STBIDEF int +stbi_info_from_memory(stbi_uc const * buffer, int len, int * x, int * y, int * comp); +STBIDEF int stbi_info_from_callbacks( + stbi_io_callbacks const * clbk, void * user, int * x, int * y, int * comp +); STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const * buffer, int len); STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const * clbk, void * user); @@ -542,17 +560,18 @@ STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_fli // ZLIB client - used by PNG, available for other purposes -STBIDEF char * stbi_zlib_decode_malloc_guesssize(const char * buffer, int len, - int initial_size, int * outlen); -STBIDEF char * stbi_zlib_decode_malloc_guesssize_headerflag(const char * buffer, int len, - int initial_size, int * outlen, - int parse_header); +STBIDEF char * stbi_zlib_decode_malloc_guesssize( + const char * buffer, int len, int initial_size, int * outlen +); +STBIDEF char * stbi_zlib_decode_malloc_guesssize_headerflag( + const char * buffer, int len, int initial_size, int * outlen, int parse_header +); STBIDEF char * stbi_zlib_decode_malloc(const char * buffer, int len, int * outlen); STBIDEF int stbi_zlib_decode_buffer(char * obuffer, int olen, const char * ibuffer, int ilen); STBIDEF char * stbi_zlib_decode_noheader_malloc(const char * buffer, int len, int * outlen); -STBIDEF int stbi_zlib_decode_noheader_buffer(char * obuffer, int olen, const char * ibuffer, - int ilen); +STBIDEF int +stbi_zlib_decode_noheader_buffer(char * obuffer, int olen, const char * ibuffer, int ilen); #ifdef __cplusplus } @@ -910,68 +929,79 @@ typedef struct { #ifndef STBI_NO_JPEG static int stbi__jpeg_test(stbi__context * s); -static void * stbi__jpeg_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); +static void * stbi__jpeg_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); static int stbi__jpeg_info(stbi__context * s, int * x, int * y, int * comp); #endif #ifndef STBI_NO_PNG static int stbi__png_test(stbi__context * s); -static void * stbi__png_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); +static void * stbi__png_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); static int stbi__png_info(stbi__context * s, int * x, int * y, int * comp); static int stbi__png_is16(stbi__context * s); #endif #ifndef STBI_NO_BMP static int stbi__bmp_test(stbi__context * s); -static void * stbi__bmp_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); +static void * stbi__bmp_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); static int stbi__bmp_info(stbi__context * s, int * x, int * y, int * comp); #endif #ifndef STBI_NO_TGA static int stbi__tga_test(stbi__context * s); -static void * stbi__tga_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); +static void * stbi__tga_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); static int stbi__tga_info(stbi__context * s, int * x, int * y, int * comp); #endif #ifndef STBI_NO_PSD static int stbi__psd_test(stbi__context * s); -static void * stbi__psd_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri, int bpc); +static void * stbi__psd_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri, + int bpc +); static int stbi__psd_info(stbi__context * s, int * x, int * y, int * comp); static int stbi__psd_is16(stbi__context * s); #endif #ifndef STBI_NO_HDR static int stbi__hdr_test(stbi__context * s); -static float * stbi__hdr_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); +static float * stbi__hdr_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); static int stbi__hdr_info(stbi__context * s, int * x, int * y, int * comp); #endif #ifndef STBI_NO_PIC static int stbi__pic_test(stbi__context * s); -static void * stbi__pic_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); +static void * stbi__pic_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); static int stbi__pic_info(stbi__context * s, int * x, int * y, int * comp); #endif #ifndef STBI_NO_GIF static int stbi__gif_test(stbi__context * s); -static void * stbi__gif_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); -static void * stbi__load_gif_main(stbi__context * s, int ** delays, int * x, int * y, int * z, - int * comp, int req_comp); +static void * stbi__gif_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); +static void * stbi__load_gif_main( + stbi__context * s, int ** delays, int * x, int * y, int * z, int * comp, int req_comp +); static int stbi__gif_info(stbi__context * s, int * x, int * y, int * comp); #endif #ifndef STBI_NO_PNM static int stbi__pnm_test(stbi__context * s); -static void * stbi__pnm_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri); +static void * stbi__pnm_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +); static int stbi__pnm_info(stbi__context * s, int * x, int * y, int * comp); static int stbi__pnm_is16(stbi__context * s); #endif @@ -1135,8 +1165,10 @@ STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_fli : stbi__vertically_flip_on_load_global) #endif // STBI_THREAD_LOCAL -static void * stbi__load_main(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri, int bpc) { +static void * stbi__load_main( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri, + int bpc +) { memset(ri, 0, sizeof(*ri)); // make sure it's initialized if we add new fields ri->bits_per_channel = 8; // default is 8 so most paths don't have to be changed @@ -1198,9 +1230,8 @@ static stbi_uc * stbi__convert_16_to_8(stbi__uint16 * orig, int w, int h, int ch if (reduced == NULL) return stbi__errpuc("outofmem", "Out of memory"); for (i = 0; i < img_len; ++i) - reduced[i] - = (stbi_uc) ((orig[i] >> 8) - & 0xFF); // top half of each byte is sufficient approx of 16->8 bit scaling + reduced[i] = (stbi_uc) ((orig[i] >> 8) & 0xFF + ); // top half of each byte is sufficient approx of 16->8 bit scaling STBI_FREE(orig); return reduced; @@ -1215,10 +1246,8 @@ static stbi__uint16 * stbi__convert_8_to_16(stbi_uc * orig, int w, int h, int ch if (enlarged == NULL) return (stbi__uint16 *) stbi__errpuc("outofmem", "Out of memory"); for (i = 0; i < img_len; ++i) - enlarged[i] - = (stbi__uint16) ((orig[i] << 8) - + orig - [i]); // replicate to high and low byte, maps 0->0, 255->0xffff + enlarged[i] = (stbi__uint16) ((orig[i] << 8) + orig[i] + ); // replicate to high and low byte, maps 0->0, 255->0xffff STBI_FREE(orig); return enlarged; @@ -1248,8 +1277,8 @@ static void stbi__vertical_flip(void * image, int w, int h, int bytes_per_pixel) } #ifndef STBI_NO_GIF -static void stbi__vertical_flip_slices(void * image, int w, int h, int z, - int bytes_per_pixel) { +static void +stbi__vertical_flip_slices(void * image, int w, int h, int z, int bytes_per_pixel) { int slice; int slice_size = w * h * bytes_per_pixel; @@ -1261,8 +1290,9 @@ static void stbi__vertical_flip_slices(void * image, int w, int h, int z, } #endif -static unsigned char * stbi__load_and_postprocess_8bit(stbi__context * s, int * x, int * y, - int * comp, int req_comp) { +static unsigned char * stbi__load_and_postprocess_8bit( + stbi__context * s, int * x, int * y, int * comp, int req_comp +) { stbi__result_info ri; void * result = stbi__load_main(s, x, y, comp, req_comp, &ri, 8); @@ -1272,8 +1302,9 @@ static unsigned char * stbi__load_and_postprocess_8bit(stbi__context * s, int * STBI_ASSERT(ri.bits_per_channel == 8 || ri.bits_per_channel == 16); if (ri.bits_per_channel != 8) { - result = stbi__convert_16_to_8((stbi__uint16 *) result, *x, *y, - req_comp == 0 ? *comp : req_comp); + result = stbi__convert_16_to_8( + (stbi__uint16 *) result, *x, *y, req_comp == 0 ? *comp : req_comp + ); ri.bits_per_channel = 8; } @@ -1287,8 +1318,9 @@ static unsigned char * stbi__load_and_postprocess_8bit(stbi__context * s, int * return (unsigned char *) result; } -static stbi__uint16 * stbi__load_and_postprocess_16bit(stbi__context * s, int * x, int * y, - int * comp, int req_comp) { +static stbi__uint16 * stbi__load_and_postprocess_16bit( + stbi__context * s, int * x, int * y, int * comp, int req_comp +) { stbi__result_info ri; void * result = stbi__load_main(s, x, y, comp, req_comp, &ri, 16); @@ -1298,8 +1330,9 @@ static stbi__uint16 * stbi__load_and_postprocess_16bit(stbi__context * s, int * STBI_ASSERT(ri.bits_per_channel == 8 || ri.bits_per_channel == 16); if (ri.bits_per_channel != 16) { - result = stbi__convert_8_to_16((stbi_uc *) result, *x, *y, - req_comp == 0 ? *comp : req_comp); + result = stbi__convert_8_to_16( + (stbi_uc *) result, *x, *y, req_comp == 0 ? *comp : req_comp + ); ri.bits_per_channel = 16; } @@ -1315,8 +1348,8 @@ static stbi__uint16 * stbi__load_and_postprocess_16bit(stbi__context * s, int * } #if !defined(STBI_NO_HDR) && !defined(STBI_NO_LINEAR) -static void stbi__float_postprocess(float * result, int * x, int * y, int * comp, - int req_comp) { +static void +stbi__float_postprocess(float * result, int * x, int * y, int * comp, int req_comp) { if (stbi__vertically_flip_on_load && result != NULL) { int channels = req_comp ? req_comp : *comp; stbi__vertical_flip(result, *x, *y, channels * sizeof(float)); @@ -1328,19 +1361,22 @@ static void stbi__float_postprocess(float * result, int * x, int * y, int * comp #if defined(_WIN32) && defined(STBI_WINDOWS_UTF8) STBI_EXTERN -__declspec(dllimport) int __stdcall MultiByteToWideChar(unsigned int cp, unsigned long flags, - const char * str, int cbmb, - wchar_t * widestr, int cchwide); +__declspec(dllimport) int __stdcall MultiByteToWideChar( + unsigned int cp, unsigned long flags, const char * str, int cbmb, wchar_t * widestr, + int cchwide +); STBI_EXTERN __declspec(dllimport) int __stdcall WideCharToMultiByte( unsigned int cp, unsigned long flags, const wchar_t * widestr, int cchwide, char * str, - int cbmb, const char * defchar, int * used_default); + int cbmb, const char * defchar, int * used_default +); #endif #if defined(_WIN32) && defined(STBI_WINDOWS_UTF8) -STBIDEF int stbi_convert_wchar_to_utf8(char * buffer, size_t bufferlen, - const wchar_t * input) { - return WideCharToMultiByte(65001 /* UTF8 */, 0, input, -1, buffer, (int) bufferlen, NULL, - NULL); +STBIDEF int +stbi_convert_wchar_to_utf8(char * buffer, size_t bufferlen, const wchar_t * input) { + return WideCharToMultiByte( + 65001 /* UTF8 */, 0, input, -1, buffer, (int) bufferlen, NULL, NULL + ); } #endif @@ -1350,13 +1386,16 @@ static FILE * stbi__fopen(char const * filename, char const * mode) { wchar_t wMode[64]; wchar_t wFilename[1024]; if (0 - == MultiByteToWideChar(65001 /* UTF8 */, 0, filename, -1, wFilename, - sizeof(wFilename) / sizeof(*wFilename))) + == MultiByteToWideChar( + 65001 /* UTF8 */, 0, filename, -1, wFilename, + sizeof(wFilename) / sizeof(*wFilename) + )) return 0; if (0 - == MultiByteToWideChar(65001 /* UTF8 */, 0, mode, -1, wMode, - sizeof(wMode) / sizeof(*wMode))) + == MultiByteToWideChar( + 65001 /* UTF8 */, 0, mode, -1, wMode, sizeof(wMode) / sizeof(*wMode) + )) return 0; #if defined(_MSC_VER) && _MSC_VER >= 1400 @@ -1373,8 +1412,8 @@ static FILE * stbi__fopen(char const * filename, char const * mode) { return f; } -STBIDEF stbi_uc * stbi_load(char const * filename, int * x, int * y, int * comp, - int req_comp) { +STBIDEF stbi_uc * +stbi_load(char const * filename, int * x, int * y, int * comp, int req_comp) { FILE * f = stbi__fopen(filename, "rb"); unsigned char * result; if (!f) return stbi__errpuc("can't fopen", "Unable to open file"); @@ -1395,8 +1434,8 @@ STBIDEF stbi_uc * stbi_load_from_file(FILE * f, int * x, int * y, int * comp, in return result; } -STBIDEF stbi__uint16 * stbi_load_from_file_16(FILE * f, int * x, int * y, int * comp, - int req_comp) { +STBIDEF stbi__uint16 * +stbi_load_from_file_16(FILE * f, int * x, int * y, int * comp, int req_comp) { stbi__uint16 * result; stbi__context s; stbi__start_file(&s, f); @@ -1408,8 +1447,8 @@ STBIDEF stbi__uint16 * stbi_load_from_file_16(FILE * f, int * x, int * y, int * return result; } -STBIDEF stbi_us * stbi_load_16(char const * filename, int * x, int * y, int * comp, - int req_comp) { +STBIDEF stbi_us * +stbi_load_16(char const * filename, int * x, int * y, int * comp, int req_comp) { FILE * f = stbi__fopen(filename, "rb"); stbi__uint16 * result; if (!f) return (stbi_us *) stbi__errpuc("can't fopen", "Unable to open file"); @@ -1420,39 +1459,45 @@ STBIDEF stbi_us * stbi_load_16(char const * filename, int * x, int * y, int * co #endif //!STBI_NO_STDIO -STBIDEF stbi_us * stbi_load_16_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * channels_in_file, int desired_channels) { +STBIDEF stbi_us * stbi_load_16_from_memory( + stbi_uc const * buffer, int len, int * x, int * y, int * channels_in_file, + int desired_channels +) { stbi__context s; stbi__start_mem(&s, buffer, len); return stbi__load_and_postprocess_16bit(&s, x, y, channels_in_file, desired_channels); } -STBIDEF stbi_us * stbi_load_16_from_callbacks(stbi_io_callbacks const * clbk, void * user, - int * x, int * y, int * channels_in_file, - int desired_channels) { +STBIDEF stbi_us * stbi_load_16_from_callbacks( + stbi_io_callbacks const * clbk, void * user, int * x, int * y, int * channels_in_file, + int desired_channels +) { stbi__context s; stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user); return stbi__load_and_postprocess_16bit(&s, x, y, channels_in_file, desired_channels); } -STBIDEF stbi_uc * stbi_load_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * comp, int req_comp) { +STBIDEF stbi_uc * stbi_load_from_memory( + stbi_uc const * buffer, int len, int * x, int * y, int * comp, int req_comp +) { stbi__context s; stbi__start_mem(&s, buffer, len); return stbi__load_and_postprocess_8bit(&s, x, y, comp, req_comp); } -STBIDEF stbi_uc * stbi_load_from_callbacks(stbi_io_callbacks const * clbk, void * user, - int * x, int * y, int * comp, int req_comp) { +STBIDEF stbi_uc * stbi_load_from_callbacks( + stbi_io_callbacks const * clbk, void * user, int * x, int * y, int * comp, int req_comp +) { stbi__context s; stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user); return stbi__load_and_postprocess_8bit(&s, x, y, comp, req_comp); } #ifndef STBI_NO_GIF -STBIDEF stbi_uc * stbi_load_gif_from_memory(stbi_uc const * buffer, int len, int ** delays, - int * x, int * y, int * z, int * comp, - int req_comp) { +STBIDEF stbi_uc * stbi_load_gif_from_memory( + stbi_uc const * buffer, int len, int ** delays, int * x, int * y, int * z, int * comp, + int req_comp +) { unsigned char * result; stbi__context s; stbi__start_mem(&s, buffer, len); @@ -1467,8 +1512,8 @@ STBIDEF stbi_uc * stbi_load_gif_from_memory(stbi_uc const * buffer, int len, int #endif #ifndef STBI_NO_LINEAR -static float * stbi__loadf_main(stbi__context * s, int * x, int * y, int * comp, - int req_comp) { +static float * +stbi__loadf_main(stbi__context * s, int * x, int * y, int * comp, int req_comp) { unsigned char * data; #ifndef STBI_NO_HDR if (stbi__hdr_test(s)) { @@ -1483,15 +1528,17 @@ static float * stbi__loadf_main(stbi__context * s, int * x, int * y, int * comp, return stbi__errpf("unknown image type", "Image not of any known type, or corrupt"); } -STBIDEF float * stbi_loadf_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * comp, int req_comp) { +STBIDEF float * stbi_loadf_from_memory( + stbi_uc const * buffer, int len, int * x, int * y, int * comp, int req_comp +) { stbi__context s; stbi__start_mem(&s, buffer, len); return stbi__loadf_main(&s, x, y, comp, req_comp); } -STBIDEF float * stbi_loadf_from_callbacks(stbi_io_callbacks const * clbk, void * user, int * x, - int * y, int * comp, int req_comp) { +STBIDEF float * stbi_loadf_from_callbacks( + stbi_io_callbacks const * clbk, void * user, int * x, int * y, int * comp, int req_comp +) { stbi__context s; stbi__start_callbacks(&s, (stbi_io_callbacks *) clbk, user); return stbi__loadf_main(&s, x, y, comp, req_comp); @@ -1745,8 +1792,9 @@ static stbi_uc stbi__compute_y(int r, int g, int b) { && defined(STBI_NO_PNM) // nothing #else -static unsigned char * stbi__convert_format(unsigned char * data, int img_n, int req_comp, - unsigned int x, unsigned int y) { +static unsigned char * stbi__convert_format( + unsigned char * data, int img_n, int req_comp, unsigned int x, unsigned int y +) { int i, j; unsigned char * good; @@ -1843,8 +1891,9 @@ static stbi__uint16 stbi__compute_y_16(int r, int g, int b) { #if defined(STBI_NO_PNG) && defined(STBI_NO_PSD) // nothing #else -static stbi__uint16 * stbi__convert_format16(stbi__uint16 * data, int img_n, int req_comp, - unsigned int x, unsigned int y) { +static stbi__uint16 * stbi__convert_format16( + stbi__uint16 * data, int img_n, int req_comp, unsigned int x, unsigned int y +) { int i, j; stbi__uint16 * good; @@ -1920,8 +1969,9 @@ static stbi__uint16 * stbi__convert_format16(stbi__uint16 * data, int img_n, int STBI_ASSERT(0); STBI_FREE(data); STBI_FREE(good); - return (stbi__uint16 *) stbi__errpuc("unsupported", - "Unsupported format conversion"); + return (stbi__uint16 *) stbi__errpuc( + "unsupported", "Unsupported format conversion" + ); } #undef STBI__CASE } @@ -2079,10 +2129,13 @@ typedef struct { // kernels void (*idct_block_kernel)(stbi_uc * out, int out_stride, short data[64]); - void (*YCbCr_to_RGB_kernel)(stbi_uc * out, const stbi_uc * y, const stbi_uc * pcb, - const stbi_uc * pcr, int count, int step); - stbi_uc * (*resample_row_hv_2_kernel)(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, - int w, int hs); + void (*YCbCr_to_RGB_kernel)( + stbi_uc * out, const stbi_uc * y, const stbi_uc * pcb, const stbi_uc * pcr, int count, + int step + ); + stbi_uc * (*resample_row_hv_2_kernel)( + stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, int hs + ); } stbi__jpeg; static int stbi__build_huffman(stbi__huffman * h, int * count) { @@ -2215,8 +2268,9 @@ stbi_inline static int stbi__jpeg_huff_decode(stbi__jpeg * j, stbi__huffman * h) c = ((j->code_buffer >> (32 - k)) & stbi__bmask[k]) + h->delta[k]; if (c < 0 || c >= 256) // symbol id out of bounds! return -1; - STBI_ASSERT((((j->code_buffer) >> (32 - h->size[c])) & stbi__bmask[h->size[c]]) - == h->code[c]); + STBI_ASSERT( + (((j->code_buffer) >> (32 - h->size[c])) & stbi__bmask[h->size[c]]) == h->code[c] + ); // convert the id to a symbol j->code_bits -= k; @@ -2280,9 +2334,10 @@ static const stbi_uc stbi__jpeg_dezigzag[64 + 15] 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63}; // decode one 64-entry block-- -static int stbi__jpeg_decode_block(stbi__jpeg * j, short data[64], stbi__huffman * hdc, - stbi__huffman * hac, stbi__int16 * fac, int b, - stbi__uint16 * dequant) { +static int stbi__jpeg_decode_block( + stbi__jpeg * j, short data[64], stbi__huffman * hdc, stbi__huffman * hac, + stbi__int16 * fac, int b, stbi__uint16 * dequant +) { int diff, dc, k; int t; @@ -2314,8 +2369,9 @@ static int stbi__jpeg_decode_block(stbi__jpeg * j, short data[64], stbi__huffman k += (r >> 4) & 15; // run s = r & 15; // combined length if (s > j->code_bits) - return stbi__err("bad huffman code", - "Combined length longer than code bits available"); + return stbi__err( + "bad huffman code", "Combined length longer than code bits available" + ); j->code_buffer <<= s; j->code_bits -= s; // decode into unzigzag'd location @@ -2340,8 +2396,8 @@ static int stbi__jpeg_decode_block(stbi__jpeg * j, short data[64], stbi__huffman return 1; } -static int stbi__jpeg_decode_block_prog_dc(stbi__jpeg * j, short data[64], stbi__huffman * hdc, - int b) { +static int +stbi__jpeg_decode_block_prog_dc(stbi__jpeg * j, short data[64], stbi__huffman * hdc, int b) { int diff, dc; int t; if (j->spec_end != 0) return stbi__err("can't merge dc and ac", "Corrupt JPEG"); @@ -2371,8 +2427,9 @@ static int stbi__jpeg_decode_block_prog_dc(stbi__jpeg * j, short data[64], stbi_ // @OPTIMIZE: store non-zigzagged during the decode passes, // and only de-zigzag when dequantizing -static int stbi__jpeg_decode_block_prog_ac(stbi__jpeg * j, short data[64], stbi__huffman * hac, - stbi__int16 * fac) { +static int stbi__jpeg_decode_block_prog_ac( + stbi__jpeg * j, short data[64], stbi__huffman * hac, stbi__int16 * fac +) { int k; if (j->spec_start == 0) return stbi__err("can't merge dc and ac", "Corrupt JPEG"); @@ -2395,8 +2452,9 @@ static int stbi__jpeg_decode_block_prog_ac(stbi__jpeg * j, short data[64], stbi_ k += (r >> 4) & 15; // run s = r & 15; // combined length if (s > j->code_bits) - return stbi__err("bad huffman code", - "Combined length longer than code bits available"); + return stbi__err( + "bad huffman code", "Combined length longer than code bits available" + ); j->code_buffer <<= s; j->code_bits -= s; zig = stbi__jpeg_dezigzag[k++]; @@ -2443,7 +2501,8 @@ static int stbi__jpeg_decode_block_prog_ac(stbi__jpeg * j, short data[64], stbi_ int r, s; int rs = stbi__jpeg_huff_decode( j, - hac); // @OPTIMIZE see if we can use the fast path here, advance-by-r is so slow, eh + hac + ); // @OPTIMIZE see if we can use the fast path here, advance-by-r is so slow, eh if (rs < 0) return stbi__err("bad huffman code", "Corrupt JPEG"); s = rs & 15; r = rs >> 4; @@ -2691,18 +2750,24 @@ static void stbi__idct_simd(stbi_uc * out, int out_stride, short data[64]) { = dct_const(stbi__f2f(0.5411961f), stbi__f2f(0.5411961f) + stbi__f2f(-1.847759065f)); __m128i rot0_1 = dct_const(stbi__f2f(0.5411961f) + stbi__f2f(0.765366865f), stbi__f2f(0.5411961f)); - __m128i rot1_0 = dct_const(stbi__f2f(1.175875602f) + stbi__f2f(-0.899976223f), - stbi__f2f(1.175875602f)); - __m128i rot1_1 = dct_const(stbi__f2f(1.175875602f), - stbi__f2f(1.175875602f) + stbi__f2f(-2.562915447f)); - __m128i rot2_0 = dct_const(stbi__f2f(-1.961570560f) + stbi__f2f(0.298631336f), - stbi__f2f(-1.961570560f)); - __m128i rot2_1 = dct_const(stbi__f2f(-1.961570560f), - stbi__f2f(-1.961570560f) + stbi__f2f(3.072711026f)); - __m128i rot3_0 = dct_const(stbi__f2f(-0.390180644f) + stbi__f2f(2.053119869f), - stbi__f2f(-0.390180644f)); - __m128i rot3_1 = dct_const(stbi__f2f(-0.390180644f), - stbi__f2f(-0.390180644f) + stbi__f2f(1.501321110f)); + __m128i rot1_0 = dct_const( + stbi__f2f(1.175875602f) + stbi__f2f(-0.899976223f), stbi__f2f(1.175875602f) + ); + __m128i rot1_1 = dct_const( + stbi__f2f(1.175875602f), stbi__f2f(1.175875602f) + stbi__f2f(-2.562915447f) + ); + __m128i rot2_0 = dct_const( + stbi__f2f(-1.961570560f) + stbi__f2f(0.298631336f), stbi__f2f(-1.961570560f) + ); + __m128i rot2_1 = dct_const( + stbi__f2f(-1.961570560f), stbi__f2f(-1.961570560f) + stbi__f2f(3.072711026f) + ); + __m128i rot3_0 = dct_const( + stbi__f2f(-0.390180644f) + stbi__f2f(2.053119869f), stbi__f2f(-0.390180644f) + ); + __m128i rot3_1 = dct_const( + stbi__f2f(-0.390180644f), stbi__f2f(-0.390180644f) + stbi__f2f(1.501321110f) + ); // rounding biases in column/row passes, see stbi__idct_block for explanation. __m128i bias_0 = _mm_set1_epi32(512); @@ -3091,13 +3156,15 @@ static int stbi__parse_entropy_coded_data(stbi__jpeg * z) { for (j = 0; j < h; ++j) { for (i = 0; i < w; ++i) { int ha = z->img_comp[n].ha; - if (!stbi__jpeg_decode_block(z, data, z->huff_dc + z->img_comp[n].hd, - z->huff_ac + ha, z->fast_ac[ha], n, - z->dequant[z->img_comp[n].tq])) + if (!stbi__jpeg_decode_block( + z, data, z->huff_dc + z->img_comp[n].hd, z->huff_ac + ha, + z->fast_ac[ha], n, z->dequant[z->img_comp[n].tq] + )) return 0; - z->idct_block_kernel(z->img_comp[n].data + z->img_comp[n].w2 * j * 8 - + i * 8, - z->img_comp[n].w2, data); + z->idct_block_kernel( + z->img_comp[n].data + z->img_comp[n].w2 * j * 8 + i * 8, + z->img_comp[n].w2, data + ); // every data block is an MCU, so countdown the restart interval if (--z->todo <= 0) { if (z->code_bits < 24) stbi__grow_buffer_unsafe(z); @@ -3124,14 +3191,16 @@ static int stbi__parse_entropy_coded_data(stbi__jpeg * z) { int x2 = (i * z->img_comp[n].h + x) * 8; int y2 = (j * z->img_comp[n].v + y) * 8; int ha = z->img_comp[n].ha; - if (!stbi__jpeg_decode_block(z, data, - z->huff_dc + z->img_comp[n].hd, - z->huff_ac + ha, z->fast_ac[ha], - n, z->dequant[z->img_comp[n].tq])) + if (!stbi__jpeg_decode_block( + z, data, z->huff_dc + z->img_comp[n].hd, + z->huff_ac + ha, z->fast_ac[ha], n, + z->dequant[z->img_comp[n].tq] + )) return 0; - z->idct_block_kernel(z->img_comp[n].data - + z->img_comp[n].w2 * y2 + x2, - z->img_comp[n].w2, data); + z->idct_block_kernel( + z->img_comp[n].data + z->img_comp[n].w2 * y2 + x2, + z->img_comp[n].w2, data + ); } } } @@ -3162,12 +3231,14 @@ static int stbi__parse_entropy_coded_data(stbi__jpeg * z) { = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w); if (z->spec_start == 0) { if (!stbi__jpeg_decode_block_prog_dc( - z, data, &z->huff_dc[z->img_comp[n].hd], n)) + z, data, &z->huff_dc[z->img_comp[n].hd], n + )) return 0; } else { int ha = z->img_comp[n].ha; - if (!stbi__jpeg_decode_block_prog_ac(z, data, &z->huff_ac[ha], - z->fast_ac[ha])) + if (!stbi__jpeg_decode_block_prog_ac( + z, data, &z->huff_ac[ha], z->fast_ac[ha] + )) return 0; } // every data block is an MCU, so countdown the restart interval @@ -3195,7 +3266,8 @@ static int stbi__parse_entropy_coded_data(stbi__jpeg * z) { short * data = z->img_comp[n].coeff + 64 * (x2 + y2 * z->img_comp[n].coeff_w); if (!stbi__jpeg_decode_block_prog_dc( - z, data, &z->huff_dc[z->img_comp[n].hd], n)) + z, data, &z->huff_dc[z->img_comp[n].hd], n + )) return 0; } } @@ -3231,9 +3303,10 @@ static void stbi__jpeg_finish(stbi__jpeg * z) { short * data = z->img_comp[n].coeff + 64 * (i + j * z->img_comp[n].coeff_w); stbi__jpeg_dequantize(data, z->dequant[z->img_comp[n].tq]); - z->idct_block_kernel(z->img_comp[n].data + z->img_comp[n].w2 * j * 8 - + i * 8, - z->img_comp[n].w2, data); + z->idct_block_kernel( + z->img_comp[n].data + z->img_comp[n].w2 * j * 8 + i * 8, + z->img_comp[n].w2, data + ); } } } @@ -3283,7 +3356,8 @@ static int stbi__process_marker(stbi__jpeg * z, int m) { if (n > 256) return stbi__err( "bad DHT header", - "Corrupt JPEG"); // Loop over i < n would write past end of values! + "Corrupt JPEG" + ); // Loop over i < n would write past end of values! L -= 17; if (tc == 0) { if (!stbi__build_huffman(z->huff_dc + th, sizes)) return 0; @@ -3410,13 +3484,16 @@ static int stbi__process_frame_header(stbi__jpeg * z, int scan) { if (Lf < 11) return stbi__err("bad SOF len", "Corrupt JPEG"); // JPEG p = stbi__get8(s); if (p != 8) - return stbi__err("only 8-bit", - "JPEG format not supported: 8-bit only"); // JPEG baseline + return stbi__err( + "only 8-bit", + "JPEG format not supported: 8-bit only" + ); // JPEG baseline s->img_y = stbi__get16be(s); if (s->img_y == 0) return stbi__err( "no header height", - "JPEG format not supported: delayed height"); // Legal, but we don't handle it--but neither does IJG + "JPEG format not supported: delayed height" + ); // Legal, but we don't handle it--but neither does IJG s->img_x = stbi__get16be(s); if (s->img_x == 0) return stbi__err("0 width", "Corrupt JPEG"); // JPEG requires if (s->img_y > STBI_MAX_DIMENSIONS) @@ -3493,8 +3570,9 @@ static int stbi__process_frame_header(stbi__jpeg * z, int scan) { z->img_comp[i].linebuf = NULL; z->img_comp[i].raw_data = stbi__malloc_mad2(z->img_comp[i].w2, z->img_comp[i].h2, 15); if (z->img_comp[i].raw_data == NULL) - return stbi__free_jpeg_components(z, i + 1, - stbi__err("outofmem", "Out of memory")); + return stbi__free_jpeg_components( + z, i + 1, stbi__err("outofmem", "Out of memory") + ); // align blocks for idct using mmx/sse z->img_comp[i].data = (stbi_uc *) (((size_t) z->img_comp[i].raw_data + 15) & ~15); if (z->progressive) { @@ -3504,8 +3582,9 @@ static int stbi__process_frame_header(stbi__jpeg * z, int scan) { z->img_comp[i].raw_coeff = stbi__malloc_mad3(z->img_comp[i].w2, z->img_comp[i].h2, sizeof(short), 15); if (z->img_comp[i].raw_coeff == NULL) - return stbi__free_jpeg_components(z, i + 1, - stbi__err("outofmem", "Out of memory")); + return stbi__free_jpeg_components( + z, i + 1, stbi__err("outofmem", "Out of memory") + ); z->img_comp[i].coeff = (short *) (((size_t) z->img_comp[i].raw_coeff + 15) & ~15); } } @@ -3603,13 +3682,14 @@ static int stbi__decode_jpeg_image(stbi__jpeg * j) { // static jfif-centered resampling (across block boundaries) -typedef stbi_uc * (*resample_row_func)(stbi_uc * out, stbi_uc * in0, stbi_uc * in1, int w, - int hs); +typedef stbi_uc * (*resample_row_func)( + stbi_uc * out, stbi_uc * in0, stbi_uc * in1, int w, int hs +); #define stbi__div4(x) ((stbi_uc) ((x) >> 2)) -static stbi_uc * resample_row_1(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, - int hs) { +static stbi_uc * +resample_row_1(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, int hs) { STBI_NOTUSED(out); STBI_NOTUSED(in_far); STBI_NOTUSED(w); @@ -3617,8 +3697,8 @@ static stbi_uc * resample_row_1(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_f return in_near; } -static stbi_uc * stbi__resample_row_v_2(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, - int w, int hs) { +static stbi_uc * +stbi__resample_row_v_2(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, int hs) { // need to generate two samples vertically for every one in input int i; STBI_NOTUSED(hs); @@ -3626,8 +3706,8 @@ static stbi_uc * stbi__resample_row_v_2(stbi_uc * out, stbi_uc * in_near, stbi_u return out; } -static stbi_uc * stbi__resample_row_h_2(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, - int w, int hs) { +static stbi_uc * +stbi__resample_row_h_2(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, int hs) { // need to generate two samples horizontally for every one in input int i; stbi_uc * input = in_near; @@ -3656,8 +3736,8 @@ static stbi_uc * stbi__resample_row_h_2(stbi_uc * out, stbi_uc * in_near, stbi_u #define stbi__div16(x) ((stbi_uc) ((x) >> 4)) -static stbi_uc * stbi__resample_row_hv_2(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, - int w, int hs) { +static stbi_uc * +stbi__resample_row_hv_2(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, int hs) { // need to generate 2x2 samples for every one in input int i, t0, t1; if (w == 1) { @@ -3681,8 +3761,9 @@ static stbi_uc * stbi__resample_row_hv_2(stbi_uc * out, stbi_uc * in_near, stbi_ } #if defined(STBI_SSE2) || defined(STBI_NEON) -static stbi_uc * stbi__resample_row_hv_2_simd(stbi_uc * out, stbi_uc * in_near, - stbi_uc * in_far, int w, int hs) { +static stbi_uc * stbi__resample_row_hv_2_simd( + stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, int hs +) { // need to generate 2x2 samples for every one in input int i = 0, t0, t1; @@ -3797,8 +3878,8 @@ static stbi_uc * stbi__resample_row_hv_2_simd(stbi_uc * out, stbi_uc * in_near, } #endif -static stbi_uc * stbi__resample_row_generic(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, - int w, int hs) { +static stbi_uc * +stbi__resample_row_generic(stbi_uc * out, stbi_uc * in_near, stbi_uc * in_far, int w, int hs) { // resample with nearest-neighbor int i, j; STBI_NOTUSED(in_far); @@ -3810,8 +3891,10 @@ static stbi_uc * stbi__resample_row_generic(stbi_uc * out, stbi_uc * in_near, st // this is a reduced-precision calculation of YCbCr-to-RGB introduced // to make sure the code produces the same results in both SIMD and scalar #define stbi__float2fixed(x) (((int) ((x) * 4096.0f + 0.5f)) << 8) -static void stbi__YCbCr_to_RGB_row(stbi_uc * out, const stbi_uc * y, const stbi_uc * pcb, - const stbi_uc * pcr, int count, int step) { +static void stbi__YCbCr_to_RGB_row( + stbi_uc * out, const stbi_uc * y, const stbi_uc * pcb, const stbi_uc * pcr, int count, + int step +) { int i; for (i = 0; i < count; ++i) { int y_fixed = (y[i] << 20) + (1 << 19); // rounding @@ -3846,8 +3929,10 @@ static void stbi__YCbCr_to_RGB_row(stbi_uc * out, const stbi_uc * y, const stbi_ } #if defined(STBI_SSE2) || defined(STBI_NEON) -static void stbi__YCbCr_to_RGB_simd(stbi_uc * out, stbi_uc const * y, stbi_uc const * pcb, - stbi_uc const * pcr, int count, int step) { +static void stbi__YCbCr_to_RGB_simd( + stbi_uc * out, stbi_uc const * y, stbi_uc const * pcb, stbi_uc const * pcr, int count, + int step +) { int i = 0; #ifdef STBI_SSE2 @@ -4031,8 +4116,8 @@ static stbi_uc stbi__blinn_8x8(stbi_uc x, stbi_uc y) { return (stbi_uc) ((t + (t >> 8)) >> 8); } -static stbi_uc * load_jpeg_image(stbi__jpeg * z, int * out_x, int * out_y, int * comp, - int req_comp) { +static stbi_uc * +load_jpeg_image(stbi__jpeg * z, int * out_x, int * out_y, int * comp, int req_comp) { int n, decode_n, is_rgb; z->s->img_n = 0; // make stbi__cleanup_jpeg safe @@ -4107,8 +4192,10 @@ static stbi_uc * load_jpeg_image(stbi__jpeg * z, int * out_x, int * out_y, int * for (k = 0; k < decode_n; ++k) { stbi__resample * r = &res_comp[k]; int y_bot = r->ystep >= (r->vs >> 1); - coutput[k] = r->resample(z->img_comp[k].linebuf, y_bot ? r->line1 : r->line0, - y_bot ? r->line0 : r->line1, r->w_lores, r->hs); + coutput[k] = r->resample( + z->img_comp[k].linebuf, y_bot ? r->line1 : r->line0, + y_bot ? r->line0 : r->line1, r->w_lores, r->hs + ); if (++r->ystep >= r->vs) { r->ystep = 0; r->line0 = r->line1; @@ -4206,8 +4293,9 @@ static stbi_uc * load_jpeg_image(stbi__jpeg * z, int * out_x, int * out_y, int * } } -static void * stbi__jpeg_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri) { +static void * stbi__jpeg_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +) { unsigned char * result; stbi__jpeg * j = (stbi__jpeg *) stbi__malloc(sizeof(stbi__jpeg)); if (!j) return stbi__errpuc("outofmem", "Out of memory"); @@ -4432,8 +4520,10 @@ stbi_inline static int stbi__zhuffman_decode(stbi__zbuf * a, stbi__zhuffman * z) return stbi__zhuffman_decode_slowpath(a, z); } -static int stbi__zexpand(stbi__zbuf * z, char * zout, - int n) // need to make room for n bytes +static int stbi__zexpand( + stbi__zbuf * z, char * zout, + int n +) // need to make room for n bytes { char * q; unsigned int cur, limit, old_limit; @@ -4500,7 +4590,8 @@ static int stbi__parse_huffman_block(stbi__zbuf * a) { if (z >= 286) return stbi__err( "bad huffman code", - "Corrupt PNG"); // per DEFLATE, length codes 286 and 287 must not appear in compressed data + "Corrupt PNG" + ); // per DEFLATE, length codes 286 and 287 must not appear in compressed data z -= 257; len = stbi__zlength_base[z]; if (stbi__zlength_extra[z]) len += stbi__zreceive(a, stbi__zlength_extra[z]); @@ -4508,7 +4599,8 @@ static int stbi__parse_huffman_block(stbi__zbuf * a) { if (z < 0 || z >= 30) return stbi__err( "bad huffman code", - "Corrupt PNG"); // per DEFLATE, distance codes 30 and 31 must not appear in compressed data + "Corrupt PNG" + ); // per DEFLATE, distance codes 30 and 31 must not appear in compressed data dist = stbi__zdist_base[z]; if (stbi__zdist_extra[z]) dist += stbi__zreceive(a, stbi__zdist_extra[z]); if (zout - a->zout_start < dist) return stbi__err("bad dist", "Corrupt PNG"); @@ -4617,8 +4709,10 @@ static int stbi__parse_zlib_header(stbi__zbuf * a) { if ((cmf * 256 + flg) % 31 != 0) return stbi__err("bad zlib header", "Corrupt PNG"); // zlib spec if (flg & 32) - return stbi__err("no preset dict", - "Corrupt PNG"); // preset dictionary not allowed in png + return stbi__err( + "no preset dict", + "Corrupt PNG" + ); // preset dictionary not allowed in png if (cm != 8) return stbi__err("bad compression", "Corrupt PNG"); // DEFLATE required for png @@ -4692,8 +4786,9 @@ static int stbi__do_zlib(stbi__zbuf * a, char * obuf, int olen, int exp, int par return stbi__parse_zlib(a, parse_header); } -STBIDEF char * stbi_zlib_decode_malloc_guesssize(const char * buffer, int len, - int initial_size, int * outlen) { +STBIDEF char * stbi_zlib_decode_malloc_guesssize( + const char * buffer, int len, int initial_size, int * outlen +) { stbi__zbuf a; char * p = (char *) stbi__malloc(initial_size); if (p == NULL) return NULL; @@ -4712,9 +4807,9 @@ STBIDEF char * stbi_zlib_decode_malloc(char const * buffer, int len, int * outle return stbi_zlib_decode_malloc_guesssize(buffer, len, 16384, outlen); } -STBIDEF char * stbi_zlib_decode_malloc_guesssize_headerflag(const char * buffer, int len, - int initial_size, int * outlen, - int parse_header) { +STBIDEF char * stbi_zlib_decode_malloc_guesssize_headerflag( + const char * buffer, int len, int initial_size, int * outlen, int parse_header +) { stbi__zbuf a; char * p = (char *) stbi__malloc(initial_size); if (p == NULL) return NULL; @@ -4752,8 +4847,8 @@ STBIDEF char * stbi_zlib_decode_noheader_malloc(char const * buffer, int len, in } } -STBIDEF int stbi_zlib_decode_noheader_buffer(char * obuffer, int olen, const char * ibuffer, - int ilen) { +STBIDEF int +stbi_zlib_decode_noheader_buffer(char * obuffer, int olen, const char * ibuffer, int ilen) { stbi__zbuf a; a.zbuffer = (stbi_uc *) ibuffer; a.zbuffer_end = (stbi_uc *) ibuffer + ilen; @@ -4831,8 +4926,8 @@ static const stbi_uc stbi__depth_scale_table[9] = {0, 0xff, 0x55, 0, 0x11, 0, 0, // adds an extra all-255 alpha channel // dest == src is legal // img_n must be 1 or 3 -static void stbi__create_png_alpha_expand8(stbi_uc * dest, stbi_uc * src, stbi__uint32 x, - int img_n) { +static void +stbi__create_png_alpha_expand8(stbi_uc * dest, stbi_uc * src, stbi__uint32 x, int img_n) { int i; // must process data backwards since we allow dest==src if (img_n == 1) { @@ -4852,9 +4947,10 @@ static void stbi__create_png_alpha_expand8(stbi_uc * dest, stbi_uc * src, stbi__ } // create the png data from post-deflated data -static int stbi__create_png_image_raw(stbi__png * a, stbi_uc * raw, stbi__uint32 raw_len, - int out_n, stbi__uint32 x, stbi__uint32 y, int depth, - int color) { +static int stbi__create_png_image_raw( + stbi__png * a, stbi_uc * raw, stbi__uint32 raw_len, int out_n, stbi__uint32 x, + stbi__uint32 y, int depth, int color +) { int bytes = (depth == 16 ? 2 : 1); stbi__context * s = a->s; stbi__uint32 i, j, stride = x * out_n * bytes; @@ -4869,8 +4965,10 @@ static int stbi__create_png_image_raw(stbi__png * a, stbi_uc * raw, stbi__uint32 int width = x; STBI_ASSERT(out_n == s->img_n || out_n == s->img_n + 1); - a->out = (stbi_uc *) stbi__malloc_mad3(x, y, output_bytes, - 0); // extra bytes to write off the end into + a->out = (stbi_uc *) stbi__malloc_mad3( + x, y, output_bytes, + 0 + ); // extra bytes to write off the end into if (!a->out) return stbi__err("outofmem", "Out of memory"); // note: error exits here don't need to clean up a->out individually, @@ -4937,11 +5035,13 @@ static int stbi__create_png_image_raw(stbi__png * a, stbi_uc * raw, stbi__uint32 case STBI__F_paeth: for (k = 0; k < filter_bytes; ++k) cur[k] = STBI__BYTECAST( - raw[k] + prior[k]); // prior[k] == stbi__paeth(0,prior[k],0) + raw[k] + prior[k] + ); // prior[k] == stbi__paeth(0,prior[k],0) for (k = filter_bytes; k < nk; ++k) - cur[k] = STBI__BYTECAST(raw[k] - + stbi__paeth(cur[k - filter_bytes], prior[k], - prior[k - filter_bytes])); + cur[k] = STBI__BYTECAST( + raw[k] + + stbi__paeth(cur[k - filter_bytes], prior[k], prior[k - filter_bytes]) + ); break; case STBI__F_avg_first: memcpy(cur, raw, filter_bytes); @@ -5022,16 +5122,18 @@ static int stbi__create_png_image_raw(stbi__png * a, stbi_uc * raw, stbi__uint32 return 1; } -static int stbi__create_png_image(stbi__png * a, stbi_uc * image_data, - stbi__uint32 image_data_len, int out_n, int depth, int color, - int interlaced) { +static int stbi__create_png_image( + stbi__png * a, stbi_uc * image_data, stbi__uint32 image_data_len, int out_n, int depth, + int color, int interlaced +) { int bytes = (depth == 16 ? 2 : 1); int out_bytes = out_n * bytes; stbi_uc * final; int p; if (!interlaced) - return stbi__create_png_image_raw(a, image_data, image_data_len, out_n, a->s->img_x, - a->s->img_y, depth, color); + return stbi__create_png_image_raw( + a, image_data, image_data_len, out_n, a->s->img_x, a->s->img_y, depth, color + ); // de-interlacing final = (stbi_uc *) stbi__malloc_mad3(a->s->img_x, a->s->img_y, out_bytes, 0); @@ -5047,8 +5149,9 @@ static int stbi__create_png_image(stbi__png * a, stbi_uc * image_data, y = (a->s->img_y - yorig[p] + yspc[p] - 1) / yspc[p]; if (x && y) { stbi__uint32 img_len = ((((a->s->img_n * x * depth) + 7) >> 3) + 1) * y; - if (!stbi__create_png_image_raw(a, image_data, image_data_len, out_n, x, y, depth, - color)) { + if (!stbi__create_png_image_raw( + a, image_data, image_data_len, out_n, x, y, depth, color + )) { STBI_FREE(final); return 0; } @@ -5056,8 +5159,10 @@ static int stbi__create_png_image(stbi__png * a, stbi_uc * image_data, for (i = 0; i < x; ++i) { int out_y = j * yspc[p] + yorig[p]; int out_x = i * xspc[p] + xorig[p]; - memcpy(final + out_y * a->s->img_x * out_bytes + out_x * out_bytes, - a->out + (j * x + i) * out_bytes, out_bytes); + memcpy( + final + out_y * a->s->img_x * out_bytes + out_x * out_bytes, + a->out + (j * x + i) * out_bytes, out_bytes + ); } } STBI_FREE(a->out); @@ -5270,8 +5375,9 @@ static int stbi__parse_png_file(stbi__png * z, int scan, int req_comp) { z->depth = stbi__get8(s); if (z->depth != 1 && z->depth != 2 && z->depth != 4 && z->depth != 8 && z->depth != 16) - return stbi__err("1/2/4/8/16-bit only", - "PNG not supported: 1/2/4/8/16-bit only"); + return stbi__err( + "1/2/4/8/16-bit only", "PNG not supported: 1/2/4/8/16-bit only" + ); color = stbi__get8(s); if (color > 6) return stbi__err("bad ctype", "Corrupt PNG"); if (color == 3 && z->depth == 16) return stbi__err("bad ctype", "Corrupt PNG"); @@ -5385,15 +5491,17 @@ static int stbi__parse_png_file(stbi__png * z, int scan, int req_comp) { raw_len = bpl * s->img_y * s->img_n /* pixels */ + s->img_y /* filter mode per row */; z->expanded = (stbi_uc *) stbi_zlib_decode_malloc_guesssize_headerflag( - (char *) z->idata, ioff, raw_len, (int *) &raw_len, !is_iphone); + (char *) z->idata, ioff, raw_len, (int *) &raw_len, !is_iphone + ); if (z->expanded == NULL) return 0; // zlib should set error STBI_FREE(z->idata); z->idata = NULL; if ((req_comp == s->img_n + 1 && req_comp != 3 && !pal_img_n) || has_trans) s->img_out_n = s->img_n + 1; else s->img_out_n = s->img_n; - if (!stbi__create_png_image(z, z->expanded, raw_len, s->img_out_n, z->depth, - color, interlace)) + if (!stbi__create_png_image( + z, z->expanded, raw_len, s->img_out_n, z->depth, color, interlace + )) return 0; if (has_trans) { if (z->depth == 16) { @@ -5432,8 +5540,9 @@ static int stbi__parse_png_file(stbi__png * z, int scan, int req_comp) { invalid_chunk[2] = STBI__BYTECAST(c.type >> 8); invalid_chunk[3] = STBI__BYTECAST(c.type >> 0); #endif - return stbi__err(invalid_chunk, - "PNG not supported: unknown PNG chunk type"); + return stbi__err( + invalid_chunk, "PNG not supported: unknown PNG chunk type" + ); } stbi__skip(s, c.length); break; @@ -5443,25 +5552,30 @@ static int stbi__parse_png_file(stbi__png * z, int scan, int req_comp) { } } -static void * stbi__do_png(stbi__png * p, int * x, int * y, int * n, int req_comp, - stbi__result_info * ri) { +static void * +stbi__do_png(stbi__png * p, int * x, int * y, int * n, int req_comp, stbi__result_info * ri) { void * result = NULL; if (req_comp < 0 || req_comp > 4) return stbi__errpuc("bad req_comp", "Internal error"); if (stbi__parse_png_file(p, STBI__SCAN_load, req_comp)) { if (p->depth <= 8) ri->bits_per_channel = 8; else if (p->depth == 16) ri->bits_per_channel = 16; else - return stbi__errpuc("bad bits_per_channel", - "PNG not supported: unsupported color depth"); + return stbi__errpuc( + "bad bits_per_channel", "PNG not supported: unsupported color depth" + ); result = p->out; p->out = NULL; if (req_comp && req_comp != p->s->img_out_n) { if (ri->bits_per_channel == 8) - result = stbi__convert_format((unsigned char *) result, p->s->img_out_n, - req_comp, p->s->img_x, p->s->img_y); + result = stbi__convert_format( + (unsigned char *) result, p->s->img_out_n, req_comp, p->s->img_x, + p->s->img_y + ); else - result = stbi__convert_format16((stbi__uint16 *) result, p->s->img_out_n, - req_comp, p->s->img_x, p->s->img_y); + result = stbi__convert_format16( + (stbi__uint16 *) result, p->s->img_out_n, req_comp, p->s->img_x, + p->s->img_y + ); p->s->img_out_n = req_comp; if (result == NULL) return result; } @@ -5479,8 +5593,9 @@ static void * stbi__do_png(stbi__png * p, int * x, int * y, int * n, int req_com return result; } -static void * stbi__png_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri) { +static void * stbi__png_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +) { stbi__png p; p.s = s; return stbi__do_png(&p, x, y, comp, req_comp, ri); @@ -5667,12 +5782,16 @@ static void * stbi__bmp_parse_header(stbi__context * s, stbi__bmp_data * info) { if (compress == 1 || compress == 2) return stbi__errpuc("BMP RLE", "BMP type not supported: RLE"); if (compress >= 4) - return stbi__errpuc("BMP JPEG/PNG", - "BMP type not supported: unsupported " - "compression"); // this includes PNG/JPEG modes + return stbi__errpuc( + "BMP JPEG/PNG", + "BMP type not supported: unsupported " + "compression" + ); // this includes PNG/JPEG modes if (compress == 3 && info->bpp != 16 && info->bpp != 32) - return stbi__errpuc("bad BMP", - "bad BMP"); // bitfields requires 16 or 32 bits/pixel + return stbi__errpuc( + "bad BMP", + "bad BMP" + ); // bitfields requires 16 or 32 bits/pixel stbi__get32le(s); // discard sizeof stbi__get32le(s); // discard hres stbi__get32le(s); // discard vres @@ -5723,8 +5842,9 @@ static void * stbi__bmp_parse_header(stbi__context * s, stbi__bmp_data * info) { return (void *) 1; } -static void * stbi__bmp_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri) { +static void * stbi__bmp_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +) { stbi_uc * out; unsigned int mr = 0, mg = 0, mb = 0, ma = 0, all_a; stbi_uc pal[256][4]; @@ -5804,8 +5924,9 @@ static void * stbi__bmp_load(stbi__context * s, int * x, int * y, int * comp, in if (info.hsz != 12) stbi__get8(s); pal[i][3] = 255; } - stbi__skip(s, info.offset - info.extra_read - info.hsz - - psize * (info.hsz == 12 ? 3 : 4)); + stbi__skip( + s, info.offset - info.extra_read - info.hsz - psize * (info.hsz == 12 ? 3 : 4) + ); if (info.bpp == 1) width = (s->img_x + 7) >> 3; else if (info.bpp == 4) width = (s->img_x + 1) >> 1; else if (info.bpp == 8) width = s->img_x; @@ -6023,8 +6144,9 @@ static int stbi__tga_info(stbi__context * s, int * x, int * y, int * comp) { } tga_comp = stbi__tga_get_comp(tga_colormap_bpp, 0, NULL); } else { - tga_comp = stbi__tga_get_comp(tga_bits_per_pixel, - (tga_image_type == 3) || (tga_image_type == 11), NULL); + tga_comp = stbi__tga_get_comp( + tga_bits_per_pixel, (tga_image_type == 3) || (tga_image_type == 11), NULL + ); } if (!tga_comp) { stbi__rewind(s); @@ -6087,8 +6209,9 @@ static void stbi__tga_read_rgb16(stbi__context * s, stbi_uc * out) { // so let's treat all 15 and 16bit TGAs as RGB with no alpha. } -static void * stbi__tga_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri) { +static void * stbi__tga_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +) { // read in the TGA header stuff int tga_offset = stbi__get8(s); int tga_indexed = stbi__get8(s); @@ -6325,8 +6448,10 @@ static int stbi__psd_decode_rle(stbi__context * s, stbi_uc * p, int pixelCount) return 1; } -static void * stbi__psd_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri, int bpc) { +static void * stbi__psd_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri, + int bpc +) { int pixelCount; int channelCount, compression; int channel, i; @@ -6349,8 +6474,9 @@ static void * stbi__psd_load(stbi__context * s, int * x, int * y, int * comp, in // Read the number of channels (R, G, B, A, etc). channelCount = stbi__get16be(s); if (channelCount < 0 || channelCount > 16) - return stbi__errpuc("wrong channel count", - "Unsupported number of channels in PSD image"); + return stbi__errpuc( + "wrong channel count", "Unsupported number of channels in PSD image" + ); // Read the rows and columns of the image. h = stbi__get32be(s); @@ -6575,8 +6701,8 @@ static void stbi__copyval(int channel, stbi_uc * dest, const stbi_uc * src) { if (channel & mask) dest[i] = src[i]; } -static stbi_uc * stbi__pic_load_core(stbi__context * s, int width, int height, int * comp, - stbi_uc * result) { +static stbi_uc * +stbi__pic_load_core(stbi__context * s, int width, int height, int * comp, stbi_uc * result) { int act_comp = 0, num_packets = 0, y, chained; stbi__pic_packet packets[10]; @@ -6632,8 +6758,9 @@ static stbi_uc * stbi__pic_load_core(stbi__context * s, int width, int height, i count = stbi__get8(s); if (stbi__at_eof(s)) - return stbi__errpuc("bad file", - "file too short (pure read count)"); + return stbi__errpuc( + "bad file", "file too short (pure read count)" + ); if (count > left) count = (stbi_uc) left; @@ -6650,8 +6777,9 @@ static stbi_uc * stbi__pic_load_core(stbi__context * s, int width, int height, i while (left > 0) { int count = stbi__get8(s), i; if (stbi__at_eof(s)) - return stbi__errpuc("bad file", - "file too short (mixed read count)"); + return stbi__errpuc( + "bad file", "file too short (mixed read count)" + ); if (count >= 128) { // Repeated stbi_uc value[4]; @@ -6684,8 +6812,9 @@ static stbi_uc * stbi__pic_load_core(stbi__context * s, int width, int height, i return result; } -static void * stbi__pic_load(stbi__context * s, int * px, int * py, int * comp, int req_comp, - stbi__result_info * ri) { +static void * stbi__pic_load( + stbi__context * s, int * px, int * py, int * comp, int req_comp, stbi__result_info * ri +) { stbi_uc * result; int i, x, y, internal_comp; STBI_NOTUSED(ri); @@ -6780,8 +6909,9 @@ static int stbi__gif_test(stbi__context * s) { return r; } -static void stbi__gif_parse_colortable(stbi__context * s, stbi_uc pal[256][4], int num_entries, - int transp) { +static void stbi__gif_parse_colortable( + stbi__context * s, stbi_uc pal[256][4], int num_entries, int transp +) { int i; for (i = 0; i < num_entries; ++i) { pal[i][2] = stbi__get8(s); @@ -6957,8 +7087,9 @@ static stbi_uc * stbi__process_gif_raster(stbi__context * s, stbi__gif * g) { // this function is designed to support animated gifs, although stb_image doesn't support it // two back is the image from two frames ago, used for a very specific disposal format -static stbi_uc * stbi__gif_load_next(stbi__context * s, stbi__gif * g, int * comp, - int req_comp, stbi_uc * two_back) { +static stbi_uc * stbi__gif_load_next( + stbi__context * s, stbi__gif * g, int * comp, int req_comp, stbi_uc * two_back +) { int dispose; int first_frame; int pi; @@ -6983,8 +7114,10 @@ static stbi_uc * stbi__gif_load_next(stbi__context * s, stbi__gif * g, int * com // background colour is only used for pixels that are not rendered first frame, after that "background" // color refers to the color that was there the previous frame. memset(g->out, 0x00, 4 * pcount); - memset(g->background, 0x00, - 4 * pcount); // state of the background (starts transparent) + memset( + g->background, 0x00, + 4 * pcount + ); // state of the background (starts transparent) memset(g->history, 0x00, pcount); // pixels that were affected previous frame first_frame = 1; @@ -7066,8 +7199,10 @@ static stbi_uc * stbi__gif_load_next(stbi__context * s, stbi__gif * g, int * com } if (g->lflags & 0x80) { - stbi__gif_parse_colortable(s, g->lpal, 2 << (g->lflags & 7), - g->eflags & 0x01 ? g->transparent : -1); + stbi__gif_parse_colortable( + s, g->lpal, 2 << (g->lflags & 7), + g->eflags & 0x01 ? g->transparent : -1 + ); g->color_table = (stbi_uc *) g->lpal; } else if (g->flags & 0x80) { g->color_table = (stbi_uc *) g->pal; @@ -7101,8 +7236,8 @@ static stbi_uc * stbi__gif_load_next(stbi__context * s, stbi__gif * g, int * com if (len == 4) { g->eflags = stbi__get8(s); g->delay = 10 - * stbi__get16le( - s); // delay - 1/100th of a second, saving as 1/1000ths. + * stbi__get16le(s + ); // delay - 1/100th of a second, saving as 1/1000ths. // unset old transparent if (g->transparent >= 0) { @@ -7148,8 +7283,9 @@ static void * stbi__load_gif_main_outofmem(stbi__gif * g, stbi_uc * out, int ** return stbi__errpuc("outofmem", "Out of memory"); } -static void * stbi__load_gif_main(stbi__context * s, int ** delays, int * x, int * y, int * z, - int * comp, int req_comp) { +static void * stbi__load_gif_main( + stbi__context * s, int ** delays, int * x, int * y, int * z, int * comp, int req_comp +) { if (stbi__gif_test(s)) { int layers = 0; stbi_uc * u = 0; @@ -7188,8 +7324,9 @@ static void * stbi__load_gif_main(stbi__context * s, int ** delays, int * x, int } if (delays) { - int * new_delays = (int *) STBI_REALLOC_SIZED(*delays, delays_size, - sizeof(int) * layers); + int * new_delays = (int *) STBI_REALLOC_SIZED( + *delays, delays_size, sizeof(int) * layers + ); if (!new_delays) return stbi__load_gif_main_outofmem(&g, out, delays); *delays = new_delays; delays_size = layers * sizeof(int); @@ -7231,8 +7368,9 @@ static void * stbi__load_gif_main(stbi__context * s, int ** delays, int * x, int } } -static void * stbi__gif_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri) { +static void * stbi__gif_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +) { stbi_uc * u = 0; stbi__gif g; memset(&g, 0, sizeof(g)); @@ -7336,8 +7474,9 @@ static void stbi__hdr_convert(float * output, stbi_uc * input, int req_comp) { } } -static float * stbi__hdr_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri) { +static float * stbi__hdr_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +) { char buffer[STBI__HDR_BUFLEN]; char * token; int valid = 0; @@ -7404,8 +7543,9 @@ static float * stbi__hdr_load(stbi__context * s, int * x, int * y, int * comp, i stbi_uc rgbe[4]; main_decode_loop: stbi__getn(s, rgbe, 4); - stbi__hdr_convert(hdr_data + j * width * req_comp + i * req_comp, rgbe, - req_comp); + stbi__hdr_convert( + hdr_data + j * width * req_comp + i * req_comp, rgbe, req_comp + ); } } } else { @@ -7472,8 +7612,9 @@ static float * stbi__hdr_load(stbi__context * s, int * x, int * y, int * comp, i } } for (i = 0; i < width; ++i) - stbi__hdr_convert(hdr_data + (j * width + i) * req_comp, scanline + i * 4, - req_comp); + stbi__hdr_convert( + hdr_data + (j * width + i) * req_comp, scanline + i * 4, req_comp + ); } if (scanline) STBI_FREE(scanline); } @@ -7689,8 +7830,9 @@ static int stbi__pnm_test(stbi__context * s) { return 1; } -static void * stbi__pnm_load(stbi__context * s, int * x, int * y, int * comp, int req_comp, - stbi__result_info * ri) { +static void * stbi__pnm_load( + stbi__context * s, int * x, int * y, int * comp, int req_comp, stbi__result_info * ri +) { stbi_uc * out; STBI_NOTUSED(ri); @@ -7710,8 +7852,9 @@ static void * stbi__pnm_load(stbi__context * s, int * x, int * y, int * comp, in if (!stbi__mad4sizes_valid(s->img_n, s->img_x, s->img_y, ri->bits_per_channel / 8, 0)) return stbi__errpuc("too large", "PNM too large"); - out = (stbi_uc *) stbi__malloc_mad4(s->img_n, s->img_x, s->img_y, ri->bits_per_channel / 8, - 0); + out = (stbi_uc *) stbi__malloc_mad4( + s->img_n, s->img_x, s->img_y, ri->bits_per_channel / 8, 0 + ); if (!out) return stbi__errpuc("outofmem", "Out of memory"); if (!stbi__getn(s, out, s->img_n * s->img_x * s->img_y * (ri->bits_per_channel / 8))) { STBI_FREE(out); @@ -7720,8 +7863,9 @@ static void * stbi__pnm_load(stbi__context * s, int * x, int * y, int * comp, in if (req_comp && req_comp != s->img_n) { if (ri->bits_per_channel == 16) { - out = (stbi_uc *) stbi__convert_format16((stbi__uint16 *) out, s->img_n, req_comp, - s->img_x, s->img_y); + out = (stbi_uc *) stbi__convert_format16( + (stbi__uint16 *) out, s->img_n, req_comp, s->img_x, s->img_y + ); } else { out = stbi__convert_format(out, s->img_n, req_comp, s->img_x, s->img_y); } @@ -7753,8 +7897,10 @@ static int stbi__pnm_getinteger(stbi__context * s, char * c) { value = value * 10 + (*c - '0'); *c = (char) stbi__get8(s); if ((value > 214748364) || (value == 214748364 && *c > '7')) - return stbi__err("integer parse overflow", - "Parsing an integer in the PPM header overflowed a 32-bit int"); + return stbi__err( + "integer parse overflow", + "Parsing an integer in the PPM header overflowed a 32-bit int" + ); } return value; @@ -7795,8 +7941,9 @@ static int stbi__pnm_info(stbi__context * s, int * x, int * y, int * comp) { maxv = stbi__pnm_getinteger(s, &c); // read max value if (maxv > 65535) - return stbi__err("max value > 65535", - "PPM image supports only 8-bit and 16-bit images"); + return stbi__err( + "max value > 65535", "PPM image supports only 8-bit and 16-bit images" + ); else if (maxv > 255) return 16; else return 8; } @@ -7902,15 +8049,16 @@ STBIDEF int stbi_is_16_bit_from_file(FILE * f) { } #endif // !STBI_NO_STDIO -STBIDEF int stbi_info_from_memory(stbi_uc const * buffer, int len, int * x, int * y, - int * comp) { +STBIDEF int +stbi_info_from_memory(stbi_uc const * buffer, int len, int * x, int * y, int * comp) { stbi__context s; stbi__start_mem(&s, buffer, len); return stbi__info_main(&s, x, y, comp); } -STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const * c, void * user, int * x, - int * y, int * comp) { +STBIDEF int stbi_info_from_callbacks( + stbi_io_callbacks const * c, void * user, int * x, int * y, int * comp +) { stbi__context s; stbi__start_callbacks(&s, (stbi_io_callbacks *) c, user); return stbi__info_main(&s, x, y, comp); |