src/blitter/32bpp_base.cpp

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   6  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   8  */
   9
  10 /** @file 32bpp_base.cpp Implementation of base for 32 bpp blitters. */
  11
  12 #include "../stdafx.h"
  13 #include "32bpp_base.hpp"
  14
  15 void *Blitter_32bppBase::Surface::move (void *video, int x, int y)
  16 {
  17         return this->movep <uint32> (video, x, y);
  18 }
  19
  20 void Blitter_32bppBase::Surface::export_lines (void *dst, uint dst_pitch, uint y, uint height)
  21 {
  22         uint32 *udst = (uint32 *)dst;
  23         const uint32 *src = this->movep <const uint32> (this->ptr, 0, y);
  24
  25         for (; height > 0; height--) {
  26                 memcpy(udst, src, width * sizeof(uint32));
  27                 src += this->pitch;
  28                 udst += dst_pitch;
  29         }
  30 }
  31
  32 void Blitter_32bppBase::Surface::scroll (int left, int top, int width, int height, int dx, int dy)
  33 {
  34         this->Blitter::Surface::scroll<uint32> (this->ptr, left, top, width, height, dx, dy);
  35 }