diff options
Diffstat (limited to 'engines/wintermute/base/gfx/osystem/render_ticket.cpp')
-rw-r--r-- | engines/wintermute/base/gfx/osystem/render_ticket.cpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/engines/wintermute/base/gfx/osystem/render_ticket.cpp b/engines/wintermute/base/gfx/osystem/render_ticket.cpp new file mode 100644 index 0000000000..36c5d7b740 --- /dev/null +++ b/engines/wintermute/base/gfx/osystem/render_ticket.cpp @@ -0,0 +1,115 @@ +/* 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 |