SVG: Use resvg_transform_identity()

src/sail-codecs/svg/CMakeLists.txt

@@ -5,6 +5,22 @@ if (NOT SVG_LIBRARY OR NOT SVG_INCLUDE_DIRS)
     return()
 endif()
 
+cmake_push_check_state(RESET)
+    set(CMAKE_REQUIRED_INCLUDES ${SVG_INCLUDE_DIRS})
+
+    check_c_source_compiles(
+        "
+        #include <resvg.h>
+
+        int main(int argc, char *argv[]) {
+            resvg_fit_to resvg_fit_to = { RESVG_FIT_TO_ORIGINAL, 0 };
+            return 0;
+        }
+    "
+    HAVE_RESVG_FIT_TO
+    )
+cmake_pop_check_state()
+
 # This will add the following CMake rules to the CMake config for static builds so a client
 # application links against the required dependencies:
 #
@@ -21,3 +37,7 @@ sail_codec(NAME svg
             ICON svg.png
             DEPENDENCY_INCLUDE_DIRS ${SVG_INCLUDE_DIRS}
             DEPENDENCY_LIBS ${SVG_LIBRARY})
+
+if (HAVE_RESVG_FIT_TO)
+    target_compile_definitions(${SAIL_CODEC_TARGET} PRIVATE SAIL_HAVE_RESVG_FIT_TO)
+endif()

src/sail-codecs/svg/svg.c

@@ -153,9 +153,12 @@ SAIL_EXPORT sail_status_t sail_codec_load_frame_v8_svg(void *state, struct sail_
 
     memset(image->pixels, 0, (size_t)image->bytes_per_line * image->height);
 
+#ifdef SAIL_HAVE_RESVG_FIT_TO
     const resvg_fit_to resvg_fit_to = { RESVG_FIT_TO_ORIGINAL, 0 };
-
     resvg_render(svg_state->resvg_tree, resvg_fit_to, image->width, image->height, image->pixels);
+#else
+    resvg_render(svg_state->resvg_tree, resvg_transform_identity(), image->width, image->height, image->pixels);
+#endif
 
     return SAIL_OK;
 }