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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 "graphics/svg.h"
#include "common/endian.h"
#include "common/stream.h"
#include "common/textconsole.h"
#include "graphics/pixelformat.h"
#define NANOSVG_IMPLEMENTATION
#include "graphics/nanosvg/nanosvg.h"
#define NANOSVGRAST_IMPLEMENTATION
#include "graphics/nanosvg/nanosvgrast.h"
#ifdef SCUMM_BIG_ENDIAN
#define PIXELFORMAT Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0)
#else
#define PIXELFORMAT Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24)
#endif
namespace Graphics {
SVGBitmap::SVGBitmap(Common::SeekableReadStream *in, int dw, int dh)
: ManagedSurface(dw, dh, PIXELFORMAT) {
if (dw == 0 || dh == 0)
return;
int64 size = in->size();
char *data = new char[size + 1];
in->read(data, size);
data[size] = '\0';
NSVGimage *svg = nsvgParse(data, "px", 96);
if (svg == NULL)
error("Cannot parse SVG image");
delete[] data;
data = nullptr;
// Maintain aspect ratio
float xRatio = 1.0f * dw / svg->width;
float yRatio = 1.0f * dh / svg->height;
float ratio = xRatio < yRatio ? xRatio : yRatio;
NSVGrasterizer *rasterizer = nsvgCreateRasterizer();
nsvgRasterize(rasterizer, svg, 0, 0, ratio, (byte *)getPixels(), dw, dh, pitch);
nsvgDeleteRasterizer(rasterizer);
nsvgDelete(svg);
}
} // end of namespace Graphics
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