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