src/unison/src/video/Blittable.cpp

   1 //          Copyright Timothy Goya 2007.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 //    (See accompanying file LICENSE_1_0.txt or copy at
   4 //          http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <unison/video/Blittable.hpp>
   7 #include <unison/video/DisplayList.hpp>
   8
   9 namespace Unison
  10 {
  11    namespace Video
  12    {
  13       Blittable::~Blittable()
  14       {
  15       }
  16
  17       void Blittable::blit_section(const SurfaceSection &section, const Point &dst_pos, const RenderOptions &options)
  18       {
  19          blit(section.image, dst_pos, section.clip_rect, options);
  20       }
  21
  22       void Blittable::blit_section(const TextureSection &section, const Point &dst_pos, const RenderOptions &options)
  23       {
  24          blit(section.image, dst_pos, section.clip_rect, options);
  25       }
  26
  27       void Blittable::draw(const DisplayList &list)
  28       {
  29          list.draw(this);
  30       }
  31
  32       BlittableSection::BlittableSection(Blittable &image, const Rect &clip_rect) :
  33          image(image),
  34          clip_rect(clip_rect)
  35       {
  36       }
  37
  38       void BlittableSection::blit(const Surface &src, const Point &dst_pos, const Rect &src_rect, const RenderOptions &options)
  39       {
  40          Rect overlap = clip_rect.get_overlap(Rect(dst_pos, src_rect.size));
  41          if(overlap == Rect())
  42          {
  43             return;
  44          }
  45          Rect clipped_src_rect(src_rect.pos, overlap.size);
  46          clipped_src_rect.pos += overlap.pos;
  47          clipped_src_rect.pos -= dst_pos;
  48          image.blit(src, overlap.pos - clip_rect.pos, clipped_src_rect, options);
  49       }
  50
  51       void BlittableSection::blit(const Texture &src, const Point &dst_pos, const Rect &src_rect, const RenderOptions &options)
  52       {
  53          Rect overlap = clip_rect.get_overlap(Rect(dst_pos, src_rect.size));
  54          if(overlap == Rect())
  55          {
  56             return;
  57          }
  58          Rect clipped_src_rect(src_rect.pos, overlap.size);
  59          clipped_src_rect.pos += overlap.pos;
  60          clipped_src_rect.pos -= dst_pos;
  61          image.blit(src, overlap.pos - clip_rect.pos, clipped_src_rect, options);
  62       }
  63
  64       void BlittableSection::fill(const Color &color, const Rect &rect)
  65       {
  66          Rect overlap = clip_rect.get_overlap(rect);
  67          overlap.pos -= clip_rect.pos;
  68          image.fill(color, overlap);
  69       }
  70
  71       void BlittableSection::fill_blend(const Color &color, const Rect &rect)
  72       {
  73          Rect overlap = clip_rect.get_overlap(rect);
  74          overlap.pos -= clip_rect.pos;
  75          image.fill_blend(color, overlap);
  76       }
  77    }
  78 }