97 lines
2.3 KiB
C++
97 lines
2.3 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GRAPHICS_FONTS_BGIFONT_H
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#define GRAPHICS_FONTS_BGIFONT_H
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#include "common/file.h"
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#include "common/array.h"
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#include "graphics/font.h"
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#include "graphics/surface.h"
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namespace Graphics {
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const int OPCODE_END = 0;
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const int OPCODE_DOSCAN = 1;
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const int OPCODE_MOVE = 2;
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const int OPCODE_DRAW = 3;
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class BgiFont : public Font {
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public:
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BgiFont();
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~BgiFont();
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bool loadChr(const Common::Path &fileName);
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bool loadChr(Common::SeekableReadStream &stream);
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void close();
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int getFontHeight() const { return _totalHeight; }
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int getCharWidth(uint32 chr) const;
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int getMaxCharWidth() const { return _maxWidth; }
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void drawChar(Surface *dst, uint32 chr, int x, int y, uint32 color) const;
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private:
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struct DrawingInstruction {
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int opCode;
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int8 xCoord;
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int8 yCoord;
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};
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struct GlyphEntry {
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GlyphEntry() {
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charWidth = 0;
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offset = 0;
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}
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~GlyphEntry() {}
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uint16 charWidth;
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uint32 offset;
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Common::Array<DrawingInstruction *> insts;
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} *_glyphs;
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struct CachedFont {
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int widths[256];
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int offsets[256];
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Graphics::Surface *surface;
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~CachedFont() {
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delete surface;
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}
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};
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uint16 _charCount;
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byte _firstChar;
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// uint16 _pixHeight;
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uint16 _maxWidth = 10;
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uint32 _totalWidth = 0;
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int16 _totalHeight = 0;
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int8 _originToAscender = 0;
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int8 _originToDescender = 0;
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Common::Array<CachedFont *> _fontCache;
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uint16 characterToIndex(uint32 character) const;
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byte fixSign(byte original);
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CachedFont *drawCachedFont(int size);
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};
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} // namespace Graphics
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#endif
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