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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/>.
*
*/
#ifndef GLK_ZCODE_BITMAP_FONT
#define GLK_ZCODE_BITMAP_FONT
#include "common/array.h"
#include "common/rect.h"
#include "graphics/font.h"
#include "graphics/managed_surface.h"
namespace Glk {
namespace ZCode {
/**
* Implements a font stored as a grid on a passed surface
*/
class BitmapFont : public Graphics::Font {
private:
Common::Array<Graphics::ManagedSurface> _chars;
size_t _startingChar;
Common::Point _size;
protected:
/**
* Calculate a character width
*/
int getSourceCharacterWidth(uint charIndex, const Graphics::Surface &src,
const Common::Rect &charBounds);
/**
* Constructor
*/
BitmapFont(const Graphics::Surface &src, const Common::Point &size,
uint srcWidth, uint srcHeight, unsigned char startingChar, bool isFixedWidth);
public:
/**
* Get the font height
*/
int getFontHeight() const override { return _size.y; }
/**
* Get the maximum character width
*/
int getMaxCharWidth() const override { return _size.x; }
/**
* Get the width of the given character
*/
int getCharWidth(uint32 chr) const override { return _chars[chr - _startingChar].w; }
/**
* Draw a character
*/
void drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint32 color) const override;
};
/**
* Subclass for fixed width fonts
*/
class FixedWidthBitmapFont : public BitmapFont {
public:
/**
* Constructor
*/
FixedWidthBitmapFont(const Graphics::Surface &src, const Common::Point &size,
uint srcWidth = 8, uint srcHeight = 8, unsigned char startingChar = ' ') :
BitmapFont(src, size, srcWidth, srcHeight, startingChar, true) {}
};
/**
* Subclass for fixed width fonts
*/
class VariableWidthBitmapFont : public BitmapFont {
public:
/**
* Constructor
*/
VariableWidthBitmapFont(const Graphics::Surface &src, const Common::Point &size,
uint srcWidth = 8, uint srcHeight = 8, unsigned char startingChar = ' ') :
BitmapFont(src, size, srcWidth, srcHeight, startingChar, false) {}
};
} // End of namespace ZCode
} // End of namespace Glk
#endif
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