Initial commit.

1 files changed, 140 insertions, 0 deletions

diff --git a/render.h b/render.h
new file mode 100644
index 0000000..62044a0
--- /dev/null
+++ b/render.h
@@ -0,0 +1,140 @@
+#ifndef render_h
+#define render_h
+
+#include "config.h"
+#include "rect.h"
+#include "memory.h"
+
+typedef struct {
+	unsigned char r, g, b, a;
+} Colour;
+
+Colour make_colour(unsigned rgb, unsigned char a);
+Colour make_black();
+Colour make_white();
+
+typedef struct Bitmap {
+	Colour* pixels;
+	int w, h;
+} Bitmap;
+
+void init_bitmap(
+	Bitmap* bitmap,
+	Colour* pixels,
+	int w,
+	int h
+);
+
+#define max_glyphset 256
+
+struct Font;
+typedef struct Font Font;
+
+int font_height(Font* f);
+
+void get_font_rect(
+	const Font* font,
+	Rectangle* dst,
+	char c
+);
+
+Font* new_font(
+	Heap* h,
+	const unsigned char* raw,
+	int size
+);
+Rectangle text_rect(Font* font, const char* text);
+
+void rfont_text(
+	Font* font,
+	int x,
+	int y,
+	const char* text
+);
+void rfont_text_col(
+	Font* font,
+	int x,
+	int y,
+	const char* text,
+	Colour colour
+);
+
+void render_init(void);
+
+void render_begin(void);
+void render_clear(void);
+void render_clear_col(Colour col);
+void render_clip(const Rectangle* rect);
+void render_reset_clip(void);
+
+Colour blend(Colour dst, Colour src);
+Colour blend_mod(Colour dst, Colour src, Colour mod);
+
+Colour* get_render_pixels(void);
+
+extern int sprite_camera_x;
+extern int sprite_camera_y;
+
+void render_bitmap(
+	const Bitmap* bitmap,
+	int x,
+	int y,
+	const Rectangle* rect
+);
+
+void render_bitmap_col(
+	const Bitmap* bitmap,
+	int x,
+	int y,
+	const Rectangle* rect,
+	Colour colour
+);
+
+void render_rect(
+	const Rectangle* rect,
+	Colour colour
+);
+
+void render_mask(
+	const unsigned char* pixels,
+	int x,
+	int y,
+	int w,
+	int h,
+	const Rectangle* rect,
+	Colour colour
+);
+
+void rcopy(
+	Bitmap* dst,
+	const Bitmap* src,
+	int x,
+	int y,
+	const Rectangle* rect
+);
+
+void rcopy_col(
+	Bitmap* dst,
+	const Bitmap* src,
+	int x,
+	int y,
+	const Rectangle* rect,
+	Colour colour
+);
+
+void rcopy_ac(
+	Bitmap* dst,
+	const Bitmap* src,
+	int x,
+	int y,
+	const Rectangle* rect,
+	unsigned char t
+);
+
+void rcopy_rect(
+	Bitmap* dst,
+	const Rectangle* rect,
+	Colour colour
+);
+
+#endif