Files
love/src/modules/font/ImageRasterizer.h
T
2015-01-24 04:09:56 -04:00

83 lines
2.1 KiB
C++

/**
* Copyright (c) 2006-2015 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_FONT_IMAGE_RASTERIZER_H
#define LOVE_FONT_IMAGE_RASTERIZER_H
// LOVE
#include "filesystem/File.h"
#include "font/Rasterizer.h"
#include "image/ImageData.h"
#include <map>
namespace love
{
namespace font
{
/**
* Holds data for a font object.
**/
class ImageRasterizer : public Rasterizer
{
public:
ImageRasterizer(love::image::ImageData *imageData, uint32 *glyphs, int numglyphs);
virtual ~ImageRasterizer();
// Implement Rasterizer
virtual int getLineHeight() const;
virtual GlyphData *getGlyphData(uint32 glyph) const;
virtual int getGlyphCount() const;
virtual bool hasGlyph(uint32 glyph) const;
private:
// Load all the glyph positions into memory
void load();
// The image data
StrongRef<love::image::ImageData> imageData;
// The glyphs in the font
uint32 *glyphs;
// Number of glyphs in the font
int numglyphs;
// Information about a glyph in the ImageData
struct ImageGlyphData
{
int x;
int width;
int spacing;
};
std::map<uint32, ImageGlyphData> imageGlyphs;
// Color used to identify glyph separation in the source ImageData
love::image::pixel spacer;
}; // ImageRasterizer
} // font
} // love
#endif // LOVE_FONT_IMAGE_RASTERIZER_H