mirror of
https://github.com/libretro/scummvm.git
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150 lines
3.6 KiB
C++
150 lines
3.6 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004-2005 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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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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* 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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* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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// Font management and font drawing header file
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#ifndef SAGA_FONT_H__
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#define SAGA_FONT_H__
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#include "saga/list.h"
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#include "saga/gfx.h"
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namespace Saga {
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#define FONT_SHOWUNDEFINED 1 // Define to draw undefined characters * as ?'s
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// The first defined character (!) is the only one that may
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// have a valid offset of '0'
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#define FONT_FIRSTCHAR 33
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#define FONT_CH_SPACE 32
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#define FONT_CH_QMARK 63
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// Minimum font header size without font data
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// (6 + 512 + 256 + 256 + 256 )
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#define FONT_DESCSIZE 1286
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#define FONT_CHARCOUNT 256
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#define FONT_CHARMASK 0xFFU
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#define SAGA_FONT_HEADER_LEN 6
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#define TEXT_CENTERLIMIT 50
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#define TEXT_MARGIN 10
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#define TEXT_LINESPACING 2
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struct TextListEntry {
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bool display;
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bool useRect;
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Common::Point point;
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Common::Rect rect;
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int color;
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int effectColor;
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FontEffectFlags flags;
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FontId fontId;
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const char *text;
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TextListEntry() {
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memset(this, 0, sizeof(*this));
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}
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};
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class TextList: public SortedList<TextListEntry> {
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public:
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TextListEntry *addEntry(const TextListEntry &entry) {
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return pushBack(entry).operator->();
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}
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};
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struct FontHeader {
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int charHeight;
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int charWidth;
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int rowLength;
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};
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struct FontCharEntry {
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int index;
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int byteWidth;
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int width;
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int flag;
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int tracking;
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};
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struct FontStyle {
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FontHeader header;
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FontCharEntry fontCharEntry[256];
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byte *font;
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};
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struct FontData {
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FontStyle normal;
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FontStyle outline;
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};
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class Font {
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public:
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Font(SagaEngine *vm);
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~Font(void);
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int getStringWidth(FontId fontId, const char *text, size_t count, FontEffectFlags flags);
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int getHeight(FontId fontId);
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int getHeight(FontId fontId, const char *text, int width, FontEffectFlags flags);
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void textDraw(FontId fontId, Surface *ds, const char *string, const Common::Point &point, int color, int effectColor, FontEffectFlags flags);
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void textDrawRect(FontId fontId, Surface *ds, const char *text, const Common::Rect &rect, int color, int effectColor, FontEffectFlags flags);
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void validate(FontId fontId) {
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if ((fontId < 0) || (fontId >= _loadedFonts)) {
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error("Font::validate: Invalid font id.");
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}
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}
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private:
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void loadFont(uint32 fontResourceId);
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void createOutline(FontData *font);
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void draw(FontId fontId, Surface *ds, const char *text, size_t count, const Common::Point &point, int color, int effectColor, FontEffectFlags flags);
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void outFont(const FontStyle &drawFont, Surface *ds, const char *text, size_t count, const Common::Point &point, int color, FontEffectFlags flags);
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int getByteLen(int numBits) const {
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int byteLength = numBits / 8;
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if (numBits % 8) {
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byteLength++;
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}
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return byteLength;
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}
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static const int _charMap[256];
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SagaEngine *_vm;
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bool _initialized;
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int _loadedFonts;
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FontData **_fonts;
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};
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} // End of namespace Saga
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#endif
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