protected:
int _screen;
- /*
- // color tables, meaning, 256 (possibly) different shades of each color,
- // based on the number of bits there are available for each color in the
- // visual
- unsigned char _red_color_table[256];
- unsigned char _green_color_table[256];
- unsigned char _blue_color_table[256];
- */
-
-/*
- Bool _dither;
-
- int _cpc; // colors-per-channel: must be a value between [2,6]
- int _bpp; // bits-per-pixel
-
- unsigned int *_grad_xbuffer;
- unsigned int *_grad_ybuffer;
- unsigned int _grad_buffer_width;
- unsigned int _grad_buffer_height;
-
- unsigned long *_sqrt_table;
-
- // These values are all determined based on a visual
-
- int _red_bits; // the number of bits (1-255) that each shade of color
- int _green_bits; // spans across. best case is 1, which gives 255 shades.
- int _blue_bits;
- unsigned char _red_color_table[256];
- unsigned char _green_color_table[256];
- unsigned char _blue_color_table[256];
-
- // These are only used for TrueColor visuals
- int _red_offset; // the offset of each color in a color mask
- int _green_offset;
- int _blue_offset;
-
- // These are only used for !TrueColor visuals
- XColor *_colors;
- int _ncolors;
-*/
+// bool _dither;
RenderControl(int screen);
+ virtual void reduceDepth(Surface &sf, XImage *im) const = 0;
+
+ inline void highlight(pixel32 *x, pixel32 *y, bool raised) const;
+ void verticalGradient(Surface &sf, const RenderTexture &texture) const;
+ void diagonalGradient(Surface &sf, const RenderTexture &texture) const;
+ void crossDiagonalGradient(Surface &sf, const RenderTexture &texture) const;
+ virtual void drawGradientBackground(Surface &sf,
+ const RenderTexture &texture) const;
virtual void drawSolidBackground(Surface& sf,
const RenderTexture& texture) const;
-
+
public:
virtual ~RenderControl();
This function will overwrite the entire surface.
*/
virtual void drawBackground(Surface &sf,
- const RenderTexture &texture) const = 0;
+ const RenderTexture &texture) const;
//! Draws an image onto the surface
/*!
background will be used for applying the alpha.
*/
virtual void drawImage(Surface &sf, int w, int h,
- unsigned long *data) const = 0;
+ unsigned long *data) const;
//! Draws a string onto a Surface
virtual void drawString(Surface &sf, const Font &font, int x, int y,