inclusion of SDL GFX_BACKEND
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James Turk
parent
5ed1ea52b5
commit
30a7e11654
@ -22,6 +22,20 @@
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//Defines- undefine any of these if you dont have the indicated SDL extension//
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/*!
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\brief Defines for graphics backend selection.
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Various graphics backends, default is OpenGL, but to port to systems with SDL but no OpenGL
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use of SDL is possible. .
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**/
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enum GFXBackend
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{
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OGL, /*!< OpenGL 2D Rendering Target. */
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SDL /*!< SDL Rendering Target. */
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};
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//! Define the graphics backend for ZEngine to use. (Options are OGL,SDL,DX)
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#define GFX_BACKEND OGL
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//! Define to include font support.
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#define USE_SDL_TTF
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//! Define to include non-bmp image file support.
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@ -24,8 +24,10 @@
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#include "ZE_Defines.h"
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#include "SDL.h"
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#if GFX_BACKEND == OGL
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#include "SDL_opengl.h"
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#include "external/SDLGL_Util.h"
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#endif
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#ifdef USE_SDL_IMAGE
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#include "SDL_image.h"
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#endif
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@ -13,7 +13,7 @@
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\brief Definition file for core ZEngine class.
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ZEngine Game Engine core Engine definition.
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<br>$Id: ZE_ZEngine.h,v 1.44 2003/07/12 01:25:42 cozman Exp $<br>
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<br>$Id: ZE_ZEngine.h,v 1.45 2003/08/01 21:57:32 cozman Exp $<br>
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\author James Turk
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**/
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@ -233,13 +233,14 @@ class ZEngine
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\brief Clear screen to a certain color (Black by default).
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Clears a rectangle on screen to a color, defaults to solid black.
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\param red Red component (0.0-1.0) of new color.
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\param green Green component (0.0-1.0) of new color.
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\param blue Blue component (0.0-1.0) of new color.
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\param alpha Alpha component (0.0-1.0) of new color.
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\param red Red component (0-255) of new color.
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\param green Green component (0-255) of new color.
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\param blue Blue component (0-255) of new color.
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\param alpha Alpha component (0-255) of new color.
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**/
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void Clear(float red=0.0f, float green=0.0f, float blue=0.0f, float alpha=1.0f);
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void Clear(Uint8 red=0, Uint8 green=0, Uint8 blue=0, Uint8 alpha=255);
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#if GFX_BACKEND == OGL
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/////////////////////////////
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//OpenGL Specific Functions//
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/////////////////////////////
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@ -251,6 +252,7 @@ class ZEngine
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unless you change the OpenGL mode manually.
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**/
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void SetGL2D();
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#endif //GFX_BACKEND
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////////////////////////////////////////////
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//Timer and Framerate Independent Movement//
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@ -13,7 +13,7 @@
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\brief Definition file for ZImage.
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Definition file for ZImage, the OpenGL version of the ZImage class for ZEngine.
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<br>$Id: ZE_ZImage.h,v 1.19 2003/06/11 00:15:26 cozman Exp $<br>
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<br>$Id: ZE_ZImage.h,v 1.20 2003/08/01 21:57:32 cozman Exp $<br>
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\author James Turk
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**/
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@ -35,6 +35,11 @@ class ZImage
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protected:
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//! Pointer to ZEngine Object
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ZEngine* rEngine;
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//! Stored texture.
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SDL_Surface *rImage;
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//! Stored alpha value for drawing texture.
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Uint8 rAlpha;
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#if GFX_BACKEND == OGL
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//! Texture lower X, used internally for flip.
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GLfloat rTexMinX;
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//! Texture lower Y, used internally for flip
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@ -43,16 +48,13 @@ class ZImage
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GLfloat rTexMaxX;
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//! Texture Y width ratio, used internally by OpenGL.
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GLfloat rTexMaxY;
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//! Stored texture for future use.
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SDL_Surface *rImage;
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//! Texture ID for OpenGL.
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unsigned int rTexID;
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//! Current draw width of Texture.
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unsigned int rWidth;
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//! Current draw height of Texture.
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unsigned int rHeight;
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//! Stored alpha value for drawing texture.
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Uint8 rAlpha;
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#endif //GFX_BACKEND == OGL
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public:
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@ -203,6 +205,47 @@ class ZImage
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**/
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void SetColorKey(Uint8 red, Uint8 green, Uint8 blue);
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/*!
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\brief Draw Image to Screen.
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Draw Image to screen at specified location.
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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**/
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void Draw(int x, int y) const;
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#if GFX_BACKEND == OGL
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/*!
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\brief Draw Image to Screen.
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Draw Image to screen at specified location.
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\since 0.8.3
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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**/
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void Draw(float x, float y) const;
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/*!
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\brief Draw Image rotated to screen.
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Image is rotated about it's own center by specified angle, then drawn to screen.
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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\param angle Angle in degrees to rotate image.
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**/
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void DrawRotated(int x, int y, float angle) const;
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/*!
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\brief Draw Image rotated to screen.
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Image is rotated about it's own center by specified angle, then drawn to screen.
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\since 0.8.3
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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\param angle Angle in degrees to rotate image.
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**/
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void DrawRotated(float x, float y, float angle) const;
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/*!
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\brief Flip image over one or both axes.
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@ -237,46 +280,7 @@ class ZImage
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Draw uses this but the average user should never need to call this.
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**/
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void Bind() const;
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/*!
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\brief Draw Image to Screen.
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Draw Image to screen at specified location.
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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**/
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void Draw(int x, int y) const;
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/*!
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\brief Draw Image to Screen.
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Draw Image to screen at specified location.
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\since 0.8.3
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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**/
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void Draw(float x, float y) const;
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/*!
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\brief Draw Image rotated to screen.
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Image is rotated about it's own center by specified angle, then drawn to screen.
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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\param angle Angle in degrees to rotate image.
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**/
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void DrawRotated(int x, int y, float angle) const;
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/*!
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\brief Draw Image rotated to screen.
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Image is rotated about it's own center by specified angle, then drawn to screen.
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\since 0.8.3
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\param x X coord to draw Image to.
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\param y Y coord to draw Image to.
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\param angle Angle in degrees to rotate image.
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**/
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void DrawRotated(float x, float y, float angle) const;
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#endif //GFX_BACKEND == OGL
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/////////////
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//Accessors//
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@ -13,7 +13,7 @@
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\brief Definition file for ZRect.
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Definition file for ZRect, the Rectangle class for ZEngine.
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<br>$Id: ZE_ZRect.h,v 1.11 2003/05/13 01:30:51 cozman Exp $<br>
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<br>$Id: ZE_ZRect.h,v 1.12 2003/08/01 21:57:32 cozman Exp $<br>
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\author James Turk
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**/
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@ -32,7 +32,9 @@ namespace ZE
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**/
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class ZRect
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{
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protected:
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protected:
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//! Pointer to ZEngine Object
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ZEngine* rEngine;
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//! X Position of top left corner of rectangle.
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float rX;
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//! Y Position of top left corner of rectangle.
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2
include/external/SDLGL_Util.h
vendored
2
include/external/SDLGL_Util.h
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@ -6,7 +6,9 @@
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#include "ZE_Includes.h"
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#if GFX_BACKEND == OGL
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int power_of_two(int input);
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GLuint SDL_GL_LoadTexture(SDL_Surface *surface, GLfloat *texcoord);
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#endif
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#endif //__sdlgl_h__
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