1 files changed, 64 insertions, 0 deletions
diff --git a/trunk/librosprite.h b/trunk/librosprite.h
new file mode 100644
index 0000000..e8bcdee
--- /dev/null
+++ b/trunk/librosprite.h
@@ -0,0 +1,64 @@
+#ifndef ROSPRITE_H
+#define ROSPRITE_H
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdbool.h>
+
+typedef enum { rosprite_rgb, rosprite_cmyk } rosprite_color_model;
+
+typedef int (*reader)(uint8_t* buf, size_t count, void* ctx);
+
+struct rosprite_file_context;
+
+struct rosprite_area {
+	uint32_t extension_size; /* size of extension_words in bytes */
+	uint8_t* extension_words;
+	uint32_t sprite_count;
+	struct rosprite** sprites; /* array of length sprite_count */
+};
+
+struct rosprite_mode {
+	uint32_t colorbpp;
+	/* maskbpp denotes the amount of alpha bpp used
+	 * while mask_width is the bits used to store the mask.
+	 * Old modes have the same mask_width as their colorbpp, but the value
+	 * is always all-zeroes or all-ones.
+	 * New modes can have 1bpp or 8bpp masks
+	 */
+	uint32_t maskbpp;
+	uint32_t mask_width; /* in pixels */
+	uint32_t xdpi;
+	uint32_t ydpi;
+	rosprite_color_model color_model;
+};
+
+struct rosprite_palette {
+	uint32_t size; /* in number of entries (each entry is a word) */
+	uint32_t* palette;
+};
+
+struct rosprite {
+	unsigned char name[13]; /* last byte for 0 terminator */
+	struct rosprite_mode mode;
+	bool has_mask;
+	bool has_palette;
+	uint32_t palettesize; /* in number of entries (each entry is a word) */
+	uint32_t* palette;
+	uint32_t width; /* width in pixels */
+	uint32_t height; /* height in pixels */
+	uint32_t* image; /* image data in 0xRRGGBBAA words */
+};
+
+struct rosprite_file_context* rosprite_create_file_context(FILE* f);
+void rosprite_destroy_file_context(struct rosprite_file_context* ctx);
+int rosprite_file_reader(uint8_t* buf, size_t count, void* ctx);
+
+struct rosprite_area* rosprite_load_file(reader reader, void* ctx);
+void rosprite_destroy_sprite_area(struct rosprite_area *);
+
+struct rosprite_palette* rosprite_load_palette(reader reader, void* ctx);
+void rosprite_destroy_palette(struct rosprite_palette *);
+
+
+#endif