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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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; either version 2
* of the License, or (at your option) any later version.
*
* This program 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/algorithm.h"
#include "common/util.h"
#include "xeen/xsurface.h"
#include "xeen/resdata.h"
namespace Xeen {
XSurface::XSurface() : Graphics::Surface(), _freeFlag(false) {
}
XSurface::XSurface(int w, int h) : Graphics::Surface(), _freeFlag(false) {
create(w, h);
}
XSurface::~XSurface() {
if (_freeFlag)
free();
}
void XSurface::create(uint16 w, uint16 h) {
Graphics::Surface::create(w, h, Graphics::PixelFormat::createFormatCLUT8());
_freeFlag = true;
}
void XSurface::create(XSurface *s, const Common::Rect &bounds) {
pixels = (byte *)s->getBasePtr(bounds.left, bounds.top);
format = Graphics::PixelFormat::createFormatCLUT8();
pitch = s->pitch;
w = bounds.width();
h = bounds.height();
_freeFlag = false;
}
void XSurface::transBlitTo(XSurface &dest) const {
transBlitTo(dest, Common::Point());
}
void XSurface::blitTo(XSurface &dest) const {
blitTo(dest, Common::Point());
}
void XSurface::transBlitTo(XSurface &dest, const Common::Point &destPos) const {
if (dest.getPixels() == nullptr)
dest.create(w, h);
for (int yp = 0; yp < h; ++yp) {
const byte *srcP = (const byte *)getBasePtr(0, yp);
byte *destP = (byte *)dest.getBasePtr(destPos.x, destPos.y + yp);
for (int xp = 0; xp < w; ++xp, ++srcP, ++destP) {
if (*srcP != 0)
*destP = *srcP;
}
}
dest.addDirtyRect(Common::Rect(destPos.x, destPos.y, destPos.x + w, destPos.y));
}
void XSurface::blitTo(XSurface &dest, const Common::Point &destPos) const {
if (dest.getPixels() == nullptr)
dest.create(w, h);
for (int yp = 0; yp < h; ++yp) {
const byte *srcP = (const byte *)getBasePtr(0, yp);
byte *destP = (byte *)dest.getBasePtr(destPos.x, destPos.y + yp);
Common::copy(srcP, srcP + w, destP);
}
dest.addDirtyRect(Common::Rect(destPos.x, destPos.y, destPos.x + w, destPos.y + h));
}
} // End of namespace Xeen
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