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