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@@ -505,6 +505,7 @@ STBIDEF int stbi_is_16_bit_from_file(FILE *f);
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+#ifndef STBI_NO_PNG
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// for image formats that explicitly notate that they have premultiplied alpha,
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// we just return the colors as stored in the file. set this flag to force
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// unpremultiplication. results are undefined if the unpremultiply overflow.
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@@ -523,9 +524,11 @@ STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip);
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STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply);
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STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert);
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STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip);
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+#endif
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// ZLIB client - used by PNG, available for other purposes
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+#ifndef STBI_NO_ZLIB
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STBIDEF char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen);
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STBIDEF char *stbi_zlib_decode_malloc_guesssize_headerflag(const char *buffer, int len, int initial_size, int *outlen, int parse_header);
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STBIDEF char *stbi_zlib_decode_malloc(const char *buffer, int len, int *outlen);
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@@ -533,6 +536,7 @@ STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuff
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STBIDEF char *stbi_zlib_decode_noheader_malloc(const char *buffer, int len, int *outlen);
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STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);
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+#endif
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#ifdef __cplusplus
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@@ -1113,21 +1117,25 @@ static stbi_uc *stbi__hdr_to_ldr(float *data, int x, int y, int comp);
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static int stbi__vertically_flip_on_load_global = 0;
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+#ifndef STBI_NO_PNG
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STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip)
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{
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stbi__vertically_flip_on_load_global = flag_true_if_should_flip;
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}
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+#endif
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#ifndef STBI_THREAD_LOCAL
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#define stbi__vertically_flip_on_load stbi__vertically_flip_on_load_global
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#else
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static STBI_THREAD_LOCAL int stbi__vertically_flip_on_load_local, stbi__vertically_flip_on_load_set;
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+#ifndef STBI_NO_PNG
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STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip)
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{
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stbi__vertically_flip_on_load_local = flag_true_if_should_flip;
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stbi__vertically_flip_on_load_set = 1;
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}
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+#endif
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#define stbi__vertically_flip_on_load (stbi__vertically_flip_on_load_set \
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? stbi__vertically_flip_on_load_local \
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@@ -1576,10 +1584,12 @@ STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; }
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STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; }
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#endif
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+#ifndef STBI_NO_HDR
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static float stbi__h2l_gamma_i=1.0f/2.2f, stbi__h2l_scale_i=1.0f;
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STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; }
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STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; }
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+#endif
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//////////////////////////////////////////////////////////////////////////////
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Sam Lantinga