feat(png): Add ff_png_normalize function and generic image header

2 files changed, 33 insertions, 0 deletions

diff --git a/include/tinyff/image/generic.h b/include/tinyff/image/generic.h
new file mode 100644
index 0000000..e136027
--- /dev/null
+++ b/include/tinyff/image/generic.h
@@ -0,0 +1,30 @@
+// This is the generics image header file for tinyff
+// It contains generic image structures and definitions
+
+#include "common.h"
+#include "result.h"
+
+#ifndef GENERIC_IMAGE_H
+#define GENERIC_IMAGE_H
+
+
+// The image origin is **not** the origin point of the image
+// But rather from what the image was loaded
+
+typedef enum {
+    FF_IMAGE_ORIGIN_PNG,
+} ff_image_origin;
+
+// Only the basic information about an image
+// Warning: Data is RGBA8888 using scanlines going from top to bottom
+typedef struct {
+    uint32_t width;
+    uint32_t height;
+    ff_image_origin origin;
+
+    uint8_t* data;
+
+} ff_image_ctx;
+
+
+#endif
\ No newline at end of file
diff --git a/include/tinyff/image/png.h b/include/tinyff/image/png.h
index fd8d29d..0b0bb3b 100644
--- a/include/tinyff/image/png.h
+++ b/include/tinyff/image/png.h
@@ -10,6 +10,7 @@
 #include "tinyff/result.h"
 #include "tinyff/common.h"
 #include "tinyff/stream.h"
+#include "tinyff/image/generic.h"
 
 // External
 #include "ext/tinf.h"
@@ -100,4 +101,6 @@ const ff_png_chunk_handler ff_png_chunk_handlers[] = {
 ff_result ff_png_isvalid(ff_stream *stream);
 ff_result ff_open_png(ff_stream *stream, ff_png_ctx **out_ctx);
 
+ff_result ff_png_normalize(ff_png_ctx *ctx, ff_image_ctx **out_data);
+
 #endif