--- /dev/null
+#ifndef GRAPHICS_H
+#define GRAPHICS_H
+
+#include <SDL/SDL.h>
+#include <SDL/SDL_opengl.h>
+
+
+#include <vector>
+#include <list>
+
+
+typedef SDL_Surface Screen;
+typedef SDL_Rect Rectangle;
+
+
+typedef short unsigned int SUint;
+
+class Texture;
+class Font;
+
+
+
+class Graphics
+{
+ public:
+
+ class Colour
+ {
+ public:
+ Colour(float red=0, float green=0, float blue=0, float alpha=0) : r(red), g(green), b(blue), a(alpha) {}
+ Colour(const Colour & cpy) : r(cpy.r), g(cpy.g), b(cpy.b), a(cpy.a) {}
+
+ Colour & operator=(const Colour & s) {r = s.r; g = s.g; b = s.b; a = s.a; return *this;}
+ bool operator==(const Colour & s) const {return (r == s.r && g == s.g && b == s.b && a == s.a);}
+ bool operator!=(const Colour & s) const {return !operator==(s);}
+ float r;
+ float g;
+ float b;
+ float a;
+
+ };
+ static int ScreenWidth() {return screenWidth;}
+ static int ScreenHeight() {return screenHeight;}
+
+ static void Initialise(const char * caption, int width=640, int height=480);
+ static void Destroy();
+
+ static SDL_Surface * LoadTextureBMP(const char * file);
+ static void SaveTextureBMP(SDL_Surface * tex, const char * file);
+
+ static void ClearScreen();
+ static void UpdateScreen();
+ static void DrawGrid(int gridWidth, int gridHeight, Colour colour);
+ static Uint8 MakeColour(int R, int G, int B, int Alpha = 0);
+ static Colour ConvertColour(Uint8 colour);
+
+ static void DrawTexture(SDL_Surface * src, int destX, int destY, int srcX=0, int srcY=0, int width=-1, int height=-1);
+ static void DrawTexture(SDL_Surface * src, int destX, int destY, double rotate, double scale);
+ static void DrawPixel(int x, int y, Colour colour);
+
+ static Colour GetPixel(int x, int y);
+ static void DrawLine(int x1, int y1, int x2, int y2, Colour colour, double scale=1.0);
+ static void DrawLineDashed(int x1, int y1, int x2, int y2, Colour colour, double scale=1.0);
+ static void DrawRectangle(int x1, int y1, int x2, int y2, Colour colour, double scale=1.0);
+
+ static void GetColourData(SDL_Surface * src, std::vector<SUint> * R, std::vector<SUint> * G, std::vector<SUint> * B, std::vector<SUint> * A = NULL);
+ static void GetColourData(SDL_Surface * src, std::vector<std::vector<SUint> > * R, std::vector<std::vector<SUint> > * G, std::vector<std::vector<SUint> > * B, std::vector<std::vector<SUint> > * A = NULL);
+
+ static void DrawColourData(int destX, int destY, std::vector<SUint> * R, std::vector<SUint> * G, std::vector<SUint> * B, std::vector<SUint> * A = NULL) {DrawColourData(screen, destX, destY, R, G, B, A);}
+
+ static void DrawColourData(int destX, int destY, std::vector<std::vector<SUint> > * R, std::vector<std::vector<SUint> > * G, std::vector<std::vector<SUint> > * B, std::vector<std::vector<SUint> > * A = NULL) {DrawColourData(screen, destX, destY, R, G, B, A);}
+
+ static SDL_Surface * TextureFromColours(std::vector<SUint> * R, std::vector<SUint> * G, std::vector<SUint> * B, std::vector<SUint> * A = NULL);
+ static SDL_Surface * TextureFromColours(std::vector<std::vector<SUint> > * R, std::vector<std::vector<SUint> > * G, std::vector<std::vector<SUint> > * B, std::vector<std::vector<SUint> > * A = NULL);
+
+ static void Wait(int n) {SDL_Delay(n);}
+
+ template <class T>
+ class TextureManager
+ {
+ public:
+ TextureManager() {}
+ virtual ~TextureManager() {}
+
+ virtual Texture & operator[](const T & at) = 0;
+ };
+
+ static bool Initialised() {return initialised;}
+
+ protected:
+ static void DrawColourData(SDL_Surface * dest, int destX, int destY, std::vector<SUint> * R, std::vector<SUint> * G, std::vector<SUint> * B, std::vector<SUint> * A = NULL);
+ static void DrawColourData(SDL_Surface * dest, int destX, int destY, std::vector<std::vector<SUint> > * R, std::vector<std::vector<SUint> > * G, std::vector<std::vector<SUint> > * B, std::vector<std::vector<SUint> > * A = NULL);
+ static void DrawTexture(SDL_Surface * dest, SDL_Surface * src, int srcX, int srcY, int destX, int destY, int width, int height);
+ static void DrawPixel(SDL_Surface * dest, int x, int y, Colour colour);
+ static Colour GetPixel(SDL_Surface * dest, int x, int y);
+ static void DrawLine(SDL_Surface * dest, int x1, int y1, int x2, int y2, Colour colour);
+
+ private:
+ Graphics() {}
+ ~Graphics() {}
+ static std::list<SDL_Surface*> allTextures;
+ static Screen * screen;
+
+ static int screenWidth;
+ static int screenHeight;
+ static bool initialised;
+
+
+};
+typedef Graphics::Colour Colour;
+
+class Texture
+{
+ public:
+ Texture(const char * fileName, bool newDrawCentred = true);
+ virtual ~Texture();
+
+ void Draw(int x, int y, double angle=0, double scale=1);
+ void DrawColour(int x, int y, double angle, double scale, Colour colour);
+
+ int width() const {return surface->w;}
+ int height() const {return surface->h;}
+ protected:
+ SDL_Surface * surface;
+ GLuint texture;
+
+ private:
+ bool drawCentred;
+
+};
+
+class Font : private Texture
+{
+ public:
+ Font(const char * fileName, int newWidth, int newHeight);
+ virtual ~Font();
+
+ void DrawTextColour(const char * string, int x, int y, double angle, double scale, Colour colour);
+ void DrawText(const char * string, int x, int y, double angle=0, double scale=1);
+ private:
+ int width;
+ int height;
+};
+
+
+#endif //GRAPHICS_H
+
+//EOF
git.ucc.asn.au / progcomp2012.git / blobdiff
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