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116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* This file is based on WME Lite.
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* http://dead-code.org/redir.php?target=wmelite
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* Copyright (c) 2011 Jan Nedoma
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*/
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#include "engines/wintermute/graphics/transparent_surface.h"
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#include "engines/wintermute/base/gfx/osystem/render_ticket.h"
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namespace Wintermute {
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RenderTicket::RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, bool mirrorX, bool mirrorY, bool disableAlpha) : _owner(owner),
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_srcRect(*srcRect), _dstRect(*dstRect), _drawNum(0), _isValid(true), _wantsDraw(true), _hasAlpha(!disableAlpha) {
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_colorMod = 0;
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_batchNum = 0;
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_mirror = TransparentSurface::FLIP_NONE;
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if (mirrorX) {
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_mirror |= TransparentSurface::FLIP_V;
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}
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if (mirrorY) {
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_mirror |= TransparentSurface::FLIP_H;
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}
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if (surf) {
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_surface = new Graphics::Surface();
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_surface->create((uint16)srcRect->width(), (uint16)srcRect->height(), surf->format);
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assert(_surface->format.bytesPerPixel == 4);
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// Get a clipped copy of the surface
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for (int i = 0; i < _surface->h; i++) {
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memcpy(_surface->getBasePtr(0, i), surf->getBasePtr(srcRect->left, srcRect->top + i), srcRect->width() * _surface->format.bytesPerPixel);
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}
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// Then scale it if necessary
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if (dstRect->width() != srcRect->width() || dstRect->height() != srcRect->height()) {
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TransparentSurface src(*_surface, false);
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Graphics::Surface *temp = src.scale(dstRect->width(), dstRect->height());
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_surface->free();
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delete _surface;
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_surface = temp;
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}
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} else {
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_surface = NULL;
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}
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}
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RenderTicket::~RenderTicket() {
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if (_surface) {
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_surface->free();
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delete _surface;
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}
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}
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bool RenderTicket::operator==(RenderTicket &t) {
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if ((t._owner != _owner) ||
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(t._batchNum != t._batchNum) ||
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(t._hasAlpha != _hasAlpha) ||
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(t._mirror != _mirror) ||
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(t._colorMod != _colorMod) ||
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(t._dstRect != _dstRect) ||
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(t._srcRect != _srcRect)) {
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return false;
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}
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return true;
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}
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// Replacement for SDL2's SDL_RenderCopy
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void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface) {
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TransparentSurface src(*getSurface(), false);
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Common::Rect clipRect;
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clipRect.setWidth(getSurface()->w);
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clipRect.setHeight(getSurface()->h);
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src._enableAlphaBlit = _hasAlpha;
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src.blit(*_targetSurface, _dstRect.left, _dstRect.top, _mirror, &clipRect, _colorMod, clipRect.width(), clipRect.height());
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}
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void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface, Common::Rect *dstRect, Common::Rect *clipRect) {
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TransparentSurface src(*getSurface(), false);
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bool doDelete = false;
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if (!clipRect) {
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doDelete = true;
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clipRect = new Common::Rect();
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clipRect->setWidth(getSurface()->w);
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clipRect->setHeight(getSurface()->h);
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}
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src._enableAlphaBlit = _hasAlpha;
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src.blit(*_targetSurface, dstRect->left, dstRect->top, _mirror, clipRect, _colorMod, clipRect->width(), clipRect->height());
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if (doDelete) {
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delete clipRect;
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}
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}
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} // end of namespace Wintermute
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