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73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
// Aseprite UI Library
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// Copyright (C) 2001-2016 David Capello
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//
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// This file is released under the terms of the MIT license.
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// Read LICENSE.txt for more information.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "ui/manager.h"
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#include "she/display.h"
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#include "she/surface.h"
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#include "she/system.h"
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#include <vector>
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namespace ui {
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using namespace gfx;
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void move_region(Manager* manager, const Region& region, int dx, int dy)
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{
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she::System* system = she::instance();
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she::Display* display = Manager::getDefault()->getDisplay();
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ASSERT(display);
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if (!display)
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return;
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she::Surface* surface = display->getSurface();
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she::SurfaceLock lock(surface);
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std::size_t nrects = region.size();
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// Blit directly screen to screen.
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if (nrects == 1) {
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gfx::Rect rc = region[0];
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surface->scrollTo(rc, dx, dy);
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rc.offset(dx, dy);
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Manager::getDefault()->dirtyRect(rc);
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}
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// Blit saving areas and copy them.
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else if (nrects > 1) {
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std::vector<she::Surface*> images(nrects);
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Region::const_iterator it, begin=region.begin(), end=region.end();
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int c;
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for (c=0, it=begin; it != end; ++it, ++c) {
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const Rect& rc = *it;
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she::Surface* tmpSur = system->createSurface(rc.w, rc.h);
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{
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she::SurfaceLock tmpSurLock(tmpSur);
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surface->blitTo(tmpSur, rc.x, rc.y, 0, 0, rc.w, rc.h);
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}
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images[c] = tmpSur;
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}
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for (c=0, it=begin; it != end; ++it, ++c) {
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gfx::Rect rc((*it).x+dx, (*it).y+dy, (*it).w, (*it).h);
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she::Surface* tmpSur = images[c];
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{
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she::SurfaceLock tmpSurLock(tmpSur);
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tmpSur->blitTo(surface, 0, 0, rc.x, rc.y, rc.w, rc.h);
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manager->dirtyRect(rc);
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}
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tmpSur->dispose();
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}
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}
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}
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} // namespace ui
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