aseprite/src/doc/image_impl.cpp
2015-06-11 18:59:51 -03:00

41 lines
958 B
C++

// Aseprite Document Library
// Copyright (c) 2001-2015 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "doc/image_impl.h"
#include "doc/image_iterator.h"
#include "doc/image_traits.h"
namespace doc {
void copy_bitmaps(Image* dst, const Image* src, gfx::Clip area)
{
if (!area.clip(dst->width(), dst->height(), src->width(), src->height()))
return;
// Copy process
ImageConstIterator<BitmapTraits> src_it(src, area.srcBounds(), area.src.x, area.src.y);
ImageIterator<BitmapTraits> dst_it(dst, area.dstBounds(), area.dst.x, area.dst.y);
int end_x = area.dst.x+area.size.w;
for (int end_y=area.dst.y+area.size.h;
area.dst.y<end_y;
++area.dst.y, ++area.src.y) {
for (int x=area.dst.x; x<end_x; ++x) {
*dst_it = *src_it;
++src_it;
++dst_it;
}
}
}
} // namespace doc