From 8f14a5e2d09ea4236588953c38e83de8b48788d2 Mon Sep 17 00:00:00 2001 From: Sam Lantinga Date: Mon, 10 Feb 2025 14:54:48 -0800 Subject: [PATCH] Remove functions not used when STBI_NO_PNG and STBI_NO_HDR are defined --- src/video/stb_image.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/video/stb_image.h b/src/video/stb_image.h index 9eedabedc45b3e..9321e7f1e062b9 100644 --- a/src/video/stb_image.h +++ b/src/video/stb_image.h @@ -505,6 +505,7 @@ STBIDEF int stbi_is_16_bit_from_file(FILE *f); +#ifndef STBI_NO_PNG // for image formats that explicitly notate that they have premultiplied alpha, // we just return the colors as stored in the file. set this flag to force // unpremultiplication. results are undefined if the unpremultiply overflow. @@ -523,9 +524,11 @@ STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip); STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply); STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert); STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip); +#endif // ZLIB client - used by PNG, available for other purposes +#ifndef STBI_NO_ZLIB 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); @@ -533,6 +536,7 @@ STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuff 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); +#endif #ifdef __cplusplus @@ -1111,6 +1115,7 @@ static float *stbi__ldr_to_hdr(stbi_uc *data, int x, int y, int comp); static stbi_uc *stbi__hdr_to_ldr(float *data, int x, int y, int comp); #endif +#ifndef STBI_NO_PNG static int stbi__vertically_flip_on_load_global = 0; STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) @@ -1133,6 +1138,7 @@ STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_fli ? stbi__vertically_flip_on_load_local \ : stbi__vertically_flip_on_load_global) #endif // STBI_THREAD_LOCAL +#endif // !STBI_NO_PNG static void *stbi__load_main(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc) { @@ -1576,10 +1582,12 @@ STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } #endif +#ifndef STBI_NO_HDR static float stbi__h2l_gamma_i=1.0f/2.2f, stbi__h2l_scale_i=1.0f; STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } +#endif //////////////////////////////////////////////////////////////////////////////