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68 lines
2.1 KiB
C++
68 lines
2.1 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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*
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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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*
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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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#include "ultima/shared/gfx/bitmap.h"
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#include "ultima/shared/core/file.h"
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#include "common/memstream.h"
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#include "graphics/managed_surface.h"
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namespace Ultima {
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namespace Shared {
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namespace Gfx {
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void Bitmap::load(const Common::String &filename) {
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File srcFile(filename);
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Common::MemoryWriteStreamDynamic decompressedFile(DisposeAfterUse::YES);
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decompress(&srcFile, &decompressedFile);
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// Set the bitmap size
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Common::MemoryReadStream f(decompressedFile.getData(), decompressedFile.size());
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int16 xs = f.readSint16LE();
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int16 ys = f.readSint16LE();
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create(xs, ys);
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assert(f.size() == (xs * ys + 4));
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Graphics::Surface s = getSubArea(Common::Rect(0, 0, xs, ys));
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// Read in the lines
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for (int y = 0; y < ys; ++y) {
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byte *dest = (byte *)s.getBasePtr(0, y);
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f.read(dest, xs);
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}
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}
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void Bitmap::flipHorizontally() {
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Graphics::Surface s = getSubArea(Common::Rect(0, 0, this->w, this->h));
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for (int y = 0; y < h; ++y) {
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byte *lineStart = (byte *)s.getBasePtr(0, y);
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byte *lineEnd = (byte *)s.getBasePtr(this->w - 1, y);
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for (int x = 0; x < (this->w - 1) / 2; ++x, ++lineStart, --lineEnd)
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SWAP(*lineStart, *lineEnd);
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}
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}
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} // End of namespace Gfx
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} // End of namespace Shared
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} // End of namespace Ultima
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