apps/window_server/GraphicsContext.h

   1 #ifndef _GRAPHICS_CONTEXT_H
   2 #define _GRAPHICS_CONTEXT_H
   3
   4 #include "Renderer.h"
   5 #include "Region.h"
   6
   7 class Window;
   8
   9 class GraphicsContext {
  10 public:
  11
  12         GraphicsContext();
  13         Rect Bounds();
  14
  15         inline const Region& ClipRegion();
  16         inline void SetClipRegion(const Region&);
  17         inline void SetRenderer(Renderer*);
  18         inline Renderer* GetRenderer();
  19         inline void SetOrigin(int x, int y);
  20
  21         void DrawLine(int, int, int, int);
  22         void FillRect(int, int, int, int);
  23         void Blit(int x, int y, color888 image[], int image_width,
  24                 int image_height, int imageStrideWidth);
  25         void StretchBlit(Rect imageRect, Rect screenRect, color888 image[],
  26                 int imageStrideWidth);
  27         void CopyRect(Rect src, Rect dest, const Region &inCleanRegion,
  28                 Region &outNotCopied);
  29
  30         void SetColor(color888 color);
  31         void DrawString(int x, int y, const char *string);
  32
  33 private:
  34
  35         Region fClipRegion;
  36         Renderer *fRenderer;
  37         color888 fCurrentColor;
  38         int fXOrigin;
  39         int fYOrigin;
  40 };
  41
  42
  43 inline const Region& GraphicsContext::ClipRegion()
  44 {
  45         return fClipRegion;
  46 }
  47
  48 inline void GraphicsContext::SetClipRegion(const Region &region)
  49 {
  50         fClipRegion = region;
  51         fClipRegion.ConstrainTo(fRenderer->Bounds());
  52 }
  53
  54 inline void GraphicsContext::SetRenderer(Renderer *renderer)
  55 {
  56         fRenderer = renderer;
  57 }
  58
  59 inline Renderer* GraphicsContext::GetRenderer()
  60 {
  61         return fRenderer;
  62 }
  63
  64 inline void GraphicsContext::SetOrigin(int x, int y)
  65 {
  66         fXOrigin = x;
  67         fYOrigin = y;
  68 }
  69
  70 inline void GraphicsContext::SetColor(color888 color)
  71 {
  72         fCurrentColor = color;
  73 }
  74
  75 #endif