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         if (!surface) {
  17                 SDL_Rect rect;
  18                 rect.x = position.X();
  19                 rect.y = position.Y();
  20                 rect.w = width;
  21                 rect.h = height;
  22                 SDL_FillRect(dest, &rect, SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
  23                 return;
  24         }
  25         // top-left corner
  26         SDL_Rect srcRect;
  27         srcRect.x = offset.X();
  28         srcRect.y = offset.Y();
  29         srcRect.w = BorderWidth();
  30         srcRect.h = BorderHeight();
  31         SDL_Rect destRect;
  32         destRect.x = position.X();
  33         destRect.y = position.Y();
  34         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  35
  36         // top border
  37         srcRect.x += BorderWidth();
  38         srcRect.w = RepeatWidth();
  39         destRect.x += BorderWidth();
  40         int fullRepeatWidth(width - (2 * BorderWidth()));
  41         int repeatCursor(0);
  42         while (repeatCursor < fullRepeatWidth) {
  43                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  44                 destRect.x += RepeatWidth();
  45                 repeatCursor += RepeatWidth();
  46         }
  47
  48         // top-right corner
  49         srcRect.x += RepeatWidth();
  50         srcRect.w = BorderWidth();
  51         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  52
  53         // middle
  54         destRect.y += BorderHeight();
  55         int fullRepeatHeight(height - (2 * BorderHeight()));
  56         int hRepeatCursor(0);
  57         while (hRepeatCursor < fullRepeatHeight) {
  58
  59                 // left border
  60                 srcRect.x = offset.X();
  61                 srcRect.y = offset.Y() + BorderHeight();
  62                 srcRect.w = BorderWidth();
  63                 srcRect.h = RepeatHeight();
  64                 destRect.x = position.X();
  65                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  66
  67                 // fill
  68                 repeatCursor = 0;
  69                 srcRect.x += BorderWidth();
  70                 srcRect.w = RepeatWidth();
  71                 destRect.x += BorderWidth();
  72                 while (repeatCursor < fullRepeatWidth) {
  73                         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  74                         destRect.x += RepeatWidth();
  75                         repeatCursor += RepeatWidth();
  76                 }
  77
  78                 // right border
  79                 srcRect.x += RepeatWidth();
  80                 srcRect.w = BorderWidth();
  81                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  82
  83                 destRect.y += RepeatHeight();
  84                 hRepeatCursor += RepeatHeight();
  85         }
  86
  87         // bottom-left corner
  88         srcRect.x = offset.X();
  89         srcRect.y = offset.Y() + BorderHeight() + RepeatHeight();
  90         srcRect.w = BorderWidth();
  91         srcRect.h = BorderHeight();
  92         destRect.x = position.X();
  93         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  94
  95         // bottom border
  96         srcRect.x += BorderWidth();
  97         srcRect.w = RepeatWidth();
  98         destRect.x += BorderWidth();
  99         repeatCursor = 0;
 100         while (repeatCursor < fullRepeatWidth) {
 101                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 102                 destRect.x += RepeatWidth();
 103                 repeatCursor += RepeatWidth();
 104         }
 105         if (fullRepeatWidth < fullRepeatWidth) {
 106                 srcRect.w = fullRepeatWidth - fullRepeatWidth;
 107                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 108                 destRect.x += fullRepeatWidth - fullRepeatWidth;
 109         }
 110
 111         // bottom-right corner
 112         srcRect.x += RepeatWidth();
 113         srcRect.w = BorderWidth();
 114         SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 115 }
 116
 117 }