src/graphics/Frame.cpp

   1 /*
   2  * Frame.cpp
   3  *
   4  *  Created on: Aug 7, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "Frame.h"
   9
  10 using geometry::Vector;
  11
  12 namespace graphics {
  13
  14 // TODO: maybe create a cache for frames?
  15 void Frame::Draw(SDL_Surface *dest, const Vector<int> &position, int width, int height) const {
  16         // top-left corner
  17         SDL_Rect srcRect;
  18         srcRect.x = offset.X();
  19         srcRect.y = offset.Y();
  20         srcRect.w = BorderWidth();
  21         srcRect.h = BorderHeight();
  22         SDL_Rect destRect;
  23         destRect.x = position.X();
  24         destRect.y = position.Y();
  25         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  26
  27         // top border
  28         srcRect.x += BorderWidth();
  29         srcRect.w = RepeatWidth();
  30         destRect.x += BorderWidth();
  31         int fullRepeatWidth(width - (2 * BorderWidth()));
  32         int repeatCursor(0);
  33         while (repeatCursor < fullRepeatWidth) {
  34                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  35                 destRect.x += RepeatWidth();
  36                 repeatCursor += RepeatWidth();
  37         }
  38
  39         // top-right corner
  40         srcRect.x += RepeatWidth();
  41         srcRect.w = BorderWidth();
  42         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  43
  44         // middle
  45         destRect.y += BorderHeight();
  46         int fullRepeatHeight(height - (2 * BorderHeight()));
  47         int hRepeatCursor(0);
  48         while (hRepeatCursor < fullRepeatHeight) {
  49
  50                 // left border
  51                 srcRect.x = offset.X();
  52                 srcRect.y = offset.Y() + BorderHeight();
  53                 srcRect.w = BorderWidth();
  54                 srcRect.h = RepeatHeight();
  55                 destRect.x = position.X();
  56                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  57
  58                 // fill
  59                 repeatCursor = 0;
  60                 srcRect.x += BorderWidth();
  61                 srcRect.w = RepeatWidth();
  62                 destRect.x += BorderWidth();
  63                 while (repeatCursor < fullRepeatWidth) {
  64                         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  65                         destRect.x += RepeatWidth();
  66                         repeatCursor += RepeatWidth();
  67                 }
  68
  69                 // right border
  70                 srcRect.x += RepeatWidth();
  71                 srcRect.w = BorderWidth();
  72                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  73
  74                 destRect.y += RepeatHeight();
  75                 hRepeatCursor += RepeatHeight();
  76         }
  77
  78         // bottom-left corner
  79         srcRect.x = offset.X();
  80         srcRect.y = offset.Y() + BorderHeight() + RepeatHeight();
  81         srcRect.w = BorderWidth();
  82         srcRect.h = BorderHeight();
  83         destRect.x = position.X();
  84         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  85
  86         // bottom border
  87         srcRect.x += BorderWidth();
  88         srcRect.w = RepeatWidth();
  89         destRect.x += BorderWidth();
  90         repeatCursor = 0;
  91         while (repeatCursor < fullRepeatWidth) {
  92                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  93                 destRect.x += RepeatWidth();
  94                 repeatCursor += RepeatWidth();
  95         }
  96         if (fullRepeatWidth < fullRepeatWidth) {
  97                 srcRect.w = fullRepeatWidth - fullRepeatWidth;
  98                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  99                 destRect.x += fullRepeatWidth - fullRepeatWidth;
 100         }
 101
 102         // bottom-right corner
 103         srcRect.x += RepeatWidth();
 104         srcRect.w = BorderWidth();
 105         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 106 }
 107
 108 }