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comparison engine/core/video/image.h @ 583:47b49b9b0c0a

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* Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands. * Added a triangle function to backends and genericrenderer, also added the functions to set an alpha value for geometric figures.
author helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
date Sat, 07 Aug 2010 16:36:35 +0000
parents ad1f09d954f9
children c0c3f64bfc2d
comparison
equal deleted inserted replaced
582:5e04f6349894 583:47b49b9b0c0a
66 */ 66 */
67 virtual const Rect& getArea() = 0; 67 virtual const Rect& getArea() = 0;
68 68
69 /** Writes pixel to given position. Returns true, if pixel was written (not out of bounds) 69 /** Writes pixel to given position. Returns true, if pixel was written (not out of bounds)
70 */ 70 */
71 virtual bool putPixel(int x, int y, int r, int g, int b) = 0; 71 virtual bool putPixel(int x, int y, int r, int g, int b, int a = 255) = 0;
72 72
73 /** Draws line between given points with given RGBA 73 /** Draws line between given points with given RGBA
74 */ 74 */
75 virtual void drawLine(const Point& p1, const Point& p2, int r, int g, int b) = 0; 75 virtual void drawLine(const Point& p1, const Point& p2, int r, int g, int b, int a = 255) = 0;
76
77 /** Draws triangle between given points with given RGBA
78 */
79 virtual void drawTriangle(const Point& p1, const Point& p2, const Point& p3, int r, int g, int b, int a = 255) = 0;
76 80
77 /** Draws quad between given points with given RGBA 81 /** Draws quad between given points with given RGBA
78 */ 82 */
79 virtual void drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b) = 0; 83 virtual void drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b, int a = 255) = 0;
80 84
81 /** Draws a quad that represents a vertex with given RGBA 85 /** Draws a quad that represents a vertex with given RGBA
82 */ 86 */
83 virtual void drawVertex(const Point& p, const uint8_t size, int r, int g, int b) = 0; 87 virtual void drawVertex(const Point& p, const uint8_t size, int r, int g, int b, int a = 255) = 0;
84 88
85 /** Returns pixel RGBA values from given position 89 /** Returns pixel RGBA values from given position
86 */ 90 */
87 virtual void getPixelRGBA(int x, int y, uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a) = 0; 91 virtual void getPixelRGBA(int x, int y, uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a) = 0;
88 92