Windows fix: export flow_profile_is_srgb for unit tests

c_components/imageflow.h

@@ -252,7 +252,7 @@ struct flow_decoder_info {
     int32_t image_height;
     flow_pixel_format frame_decodes_into;
     // const char * format_subtype;
-    // bool is_srgb;
+    // bool flow_profile_is_srgb;
 };
 
 PUB bool flow_bitmap_bgra_write_png(flow_c * c, struct flow_bitmap_bgra * frame, struct flow_io * io);

c_components/lib/codecs.c

@@ -73,7 +73,7 @@ static unsigned long hash_profile_bytes(unsigned char * profile, size_t profile_
 
 // We save an allocation in png decoding by ignoring an sRGB profile (we assume sRGB anyway).
 // We don't save this allocation yet in jpeg decoding, as the profile is segmented.
-bool is_srgb(unsigned char * profile, size_t profile_len){
+bool flow_profile_is_srgb(unsigned char * profile, size_t profile_len){
 
 //unsigned long srgbHash = hash_close_profile(cmsCreate_sRGBProfile());
 //    fprintf(stdout,"sRGB hash is %lx\n", srgbHash);

c_components/lib/codecs.h

@@ -28,7 +28,7 @@ bool flow_codec_decoder_get_frame_info(flow_c * c, void * codec_state, int64_t c
 
 bool flow_codec_decoder_read_frame(flow_c * c, void * codec_state, int64_t codec_id, struct flow_bitmap_bgra * canvas, struct flow_decoder_color_info * color_info);
 
-bool is_srgb(unsigned char * profile, size_t profile_len);
+
 
 typedef struct jpeg_compress_struct * j_compress_ptr;
 typedef struct jpeg_decompress_struct * j_decompress_ptr;

c_components/lib/codecs_jpeg.c

@@ -404,7 +404,7 @@ static bool flow_codecs_jpg_decoder_interpret_metadata(flow_c * c, struct flow_c
 
     if (state->color.source == flow_codec_color_profile_source_null) {
         if (read_icc_profile(c, state->cinfo, &icc_buffer, &icc_buffer_len)) {
-            if (!is_srgb(icc_buffer, icc_buffer_len)) {
+            if (!flow_profile_is_srgb(icc_buffer, icc_buffer_len)) {
                 state->color.profile_buf = icc_buffer;
                 state->color.buf_length = icc_buffer_len;
                 state->color.source = flow_codec_color_profile_source_ICCP;

c_components/lib/codecs_png.c

@@ -127,7 +127,7 @@ static bool png_decoder_load_color_profile(flow_c * c, struct flow_codecs_png_de
     int is_color_png = state->color_type & PNG_COLOR_MASK_COLOR;
 
     if (png_get_iCCP(state->png_ptr, state->info_ptr, &(png_charp){ 0 }, &(int){ 0 }, &profile_buf, &profile_length)) {
-        if (!is_srgb(profile_buf, profile_length)) {
+        if (!flow_profile_is_srgb(profile_buf, profile_length)) {
 
             state->color.profile_buf = (uint8_t *) FLOW_malloc(c, profile_length);
             if (state->color.profile_buf == NULL) {

c_components/lib/imageflow_private.h

@@ -276,6 +276,7 @@ PUB void flow_scale_spatial_1x1(uint8_t input[64], uint8_t ** output_rows, uint3
 // https://github.com/imazen/freeimage/blob/master/Source/FreeImage/FreeImageIO.cpp
 // https://github.com/imazen/freeimage/blob/master/Source/FreeImage/PluginJPEG.cpp
 
+PUB bool flow_profile_is_srgb(unsigned char * profile, size_t profile_len);
 // shutdown
 // nature - memory, FILE *,
 

c_components/tests/test_operations.cpp

@@ -32,7 +32,7 @@ TEST_CASE("Test isSrgb", "")
 {
     void * buf = malloc(5000);
 
-    REQUIRE(is_srgb((unsigned char *)buf, 5000) == false);
+    REQUIRE(flow_profile_is_srgb((unsigned char *)buf, 5000) == false);
 
 }