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;;; -------------------------
;;; Drawing-related functions
;;; -------------------------
;; Set background color (framebuffer clear color)
;; void ClearBackground(Color color);
(define clear-background
(c-lambda (color) void "ClearBackground"))
;; Setup canvas (framebuffer) to start drawing
;; void BeginDrawing(void);
(define begin-drawing
(c-lambda () void "BeginDrawing"))
;; End canvas drawing and swap buffers (double buffering)
;; void EndDrawing(void);
(define end-drawing
(c-lambda () void "EndDrawing"))
;; Begin 2D mode with custom camera (2D)
;; void BeginMode2D(Camera2D camera);
;; Ends 2D mode with custom camera
;; void EndMode2D(void);
;; Begin 3D mode with custom camera (3D)
;; void BeginMode3D(Camera3D camera);
;; Ends 3D mode and returns to default 2D orthographic mode
;; void EndMode3D(void);
;; Begin drawing to render texture
;; void BeginTextureMode(RenderTexture2D target);
(define begin-texture-mode
(c-lambda (render-texture) void "BeginTextureMode"))
;; Ends drawing to render texture
;; void EndTextureMode(void);
(define end-texture-mode
(c-lambda () void "EndTextureMode"))
;; Begin custom shader drawing
;; void BeginShaderMode(Shader shader);
;; End custom shader drawing (use default shader)
;; void EndShaderMode(void);
;; Begin blending mode (alpha, additive, multiplied, subtract, custom)
;; void BeginBlendMode(int mode);
;; End blending mode (reset to default: alpha blending)
;; void EndBlendMode(void);
;; Begin scissor mode (define screen area for following drawing)
;; void BeginScissorMode(int x, int y, int width, int height);
(define begin-scissor-mode
(c-lambda (int int int int) void "BeginScissorMode"))
;; End scissor mode
;; void EndScissorMode(void);
(define end-scissor-mode
(c-lambda () void "EndScissorMode"))
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