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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.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/graphics/transparent_surface.h"
#include "engines/wintermute/base/gfx/osystem/render_ticket.h"
namespace Wintermute {
RenderTicket::RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, bool mirrorX, bool mirrorY, bool disableAlpha) : _owner(owner),
_srcRect(*srcRect), _dstRect(*dstRect), _drawNum(0), _isValid(true), _wantsDraw(true), _hasAlpha(!disableAlpha) {
_colorMod = 0;
_batchNum = 0;
_mirror = TransparentSurface::FLIP_NONE;
if (mirrorX) {
_mirror |= TransparentSurface::FLIP_V;
}
if (mirrorY) {
_mirror |= TransparentSurface::FLIP_H;
}
if (surf) {
_surface = new Graphics::Surface();
_surface->create((uint16)srcRect->width(), (uint16)srcRect->height(), surf->format);
assert(_surface->format.bytesPerPixel == 4);
// Get a clipped copy of the surface
for (int i = 0; i < _surface->h; i++) {
memcpy(_surface->getBasePtr(0, i), surf->getBasePtr(srcRect->left, srcRect->top + i), srcRect->width() * _surface->format.bytesPerPixel);
}
// Then scale it if necessary
if (dstRect->width() != srcRect->width() || dstRect->height() != srcRect->height()) {
TransparentSurface src(*_surface, false);
Graphics::Surface *temp = src.scale(dstRect->width(), dstRect->height());
_surface->free();
delete _surface;
_surface = temp;
}
} else {
_surface = nullptr;
}
}
RenderTicket::~RenderTicket() {
if (_surface) {
_surface->free();
delete _surface;
}
}
bool RenderTicket::operator==(RenderTicket &t) {
if ((t._owner != _owner) ||
(t._batchNum != _batchNum) ||
(t._hasAlpha != _hasAlpha) ||
(t._mirror != _mirror) ||
(t._colorMod != _colorMod) ||
(t._dstRect != _dstRect) ||
(t._srcRect != _srcRect)) {
return false;
}
return true;
}
// Replacement for SDL2's SDL_RenderCopy
void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface) {
TransparentSurface src(*getSurface(), false);
Common::Rect clipRect;
clipRect.setWidth(getSurface()->w);
clipRect.setHeight(getSurface()->h);
src._enableAlphaBlit = _hasAlpha;
src.blit(*_targetSurface, _dstRect.left, _dstRect.top, _mirror, &clipRect, _colorMod, clipRect.width(), clipRect.height());
}
void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface, Common::Rect *dstRect, Common::Rect *clipRect) {
TransparentSurface src(*getSurface(), false);
bool doDelete = false;
if (!clipRect) {
doDelete = true;
clipRect = new Common::Rect();
clipRect->setWidth(getSurface()->w);
clipRect->setHeight(getSurface()->h);
}
src._enableAlphaBlit = _hasAlpha;
src.blit(*_targetSurface, dstRect->left, dstRect->top, _mirror, clipRect, _colorMod, clipRect->width(), clipRect->height());
if (doDelete) {
delete clipRect;
}
}
} // end of namespace Wintermute
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