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Diffstat (limited to 'engines/xeen/xsurface.cpp')
-rw-r--r-- | engines/xeen/xsurface.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/engines/xeen/xsurface.cpp b/engines/xeen/xsurface.cpp new file mode 100644 index 0000000000..4ab8cf6331 --- /dev/null +++ b/engines/xeen/xsurface.cpp @@ -0,0 +1,75 @@ +/* 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 "xeen/xsurface.h" + +namespace Xeen { + +XSurface::XSurface(): Graphics::Surface() { +} + +XSurface::XSurface(int w, int h) : Graphics::Surface() { + create(w, h); +} + +void XSurface::create(uint16 w, uint16 h) { + Graphics::Surface::create(w, h, Graphics::PixelFormat::createFormatCLUT8()); +} + +void XSurface::transBlitFrom(const XSurface &src) { + transBlitFrom(src, Common::Point()); +} + +void XSurface::blitFrom(const XSurface &src) { + blitFrom(src, Common::Point()); +} + +void XSurface::transBlitFrom(const XSurface &src, const Common::Point &destPos) { + if (getPixels() == nullptr) + create(w, h); + + for (int yp = 0; yp < src.h; ++yp) { + const byte *srcP = (const byte *)src.getBasePtr(0, yp); + byte *destP = (byte *)getBasePtr(destPos.x, destPos.y + yp); + + for (int xp = 0; xp < this->w; ++xp, ++srcP, ++destP) { + if (*srcP != 0) + *destP = *srcP; + } + } +} + +void XSurface::blitFrom(const XSurface &src, const Common::Point &destPos) { + if (getPixels() == nullptr) + create(w, h); + + for (int yp = 0; yp < src.h; ++yp) { + const byte *srcP = (const byte *)src.getBasePtr(0, yp); + byte *destP = (byte *)getBasePtr(destPos.x, destPos.y + yp); + + for (int xp = 0; xp < this->w; ++xp, ++srcP, ++destP) { + *destP = *srcP; + } + } +} + +} // End of namespace Xeen |