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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
// Font management and font drawing header file
#ifndef SAGA_FONT_H
#define SAGA_FONT_H
#include "saga/list.h"
#include "saga/gfx.h"
namespace Saga {
#define FONT_SHOWUNDEFINED 1 // Define to draw undefined characters * as ?'s
// The first defined character (!) is the only one that may
// have a valid offset of '0'
#define FONT_FIRSTCHAR 33
#define FONT_CH_SPACE 32
#define FONT_CH_QMARK 63
// Minimum font header size without font data
// (6 + 512 + 256 + 256 + 256 )
#define FONT_DESCSIZE 1286
#define FONT_CHARCOUNT 256
#define FONT_CHARMASK 0xFFU
#define SAGA_FONT_HEADER_LEN 6
#define TEXT_CENTERLIMIT 50
#define TEXT_MARGIN 10
#define TEXT_LINESPACING 2
enum FontEffectFlags {
kFontNormal = 0,
kFontOutline = 1 << 0,
kFontShadow = 1 << 1,
kFontBold = 1 << 2,
kFontCentered = 1 << 3,
kFontDontmap = 1 << 4
};
enum KnownFont {
kKnownFontSmall,
kKnownFontMedium,
kKnownFontBig,
kKnownFontPause,
kKnownFontScript,
kKnownFontVerb
};
struct TextListEntry {
bool display;
bool useRect;
Common::Point point;
Common::Rect rect;
KnownColor knownColor;
KnownColor effectKnownColor;
FontEffectFlags flags;
KnownFont font;
const char *text;
TextListEntry() {
memset(this, 0, sizeof(*this));
}
};
class TextList: public SortedList<TextListEntry> {
public:
TextListEntry *addEntry(const TextListEntry &entry) {
return pushBack(entry).operator->();
}
};
struct FontHeader {
int charHeight;
int charWidth;
int rowLength;
};
struct FontCharEntry {
int index;
int byteWidth;
int width;
int flag;
int tracking;
};
struct FontStyle {
FontHeader header;
FontCharEntry fontCharEntry[256];
byte *font;
};
struct FontData {
FontStyle normal;
FontStyle outline;
};
class Font {
public:
Font(SagaEngine *vm);
~Font(void);
int getStringWidth(KnownFont font, const char *text, size_t count, FontEffectFlags flags) {
return getStringWidth(knownFont2FontIdx(font), text, count, flags);
}
int getHeight(KnownFont font) {
return getHeight(knownFont2FontIdx(font));
}
int getHeight(KnownFont font, const char *text, int width, FontEffectFlags flags) {
return getHeight(knownFont2FontIdx(font), text, width, flags);
}
void textDraw(KnownFont font, Surface *ds, const char *string, const Common::Point &point, int color, int effectColor, FontEffectFlags flags) {
textDraw(knownFont2FontIdx(font), ds, string, point, color, effectColor, flags);
}
void textDrawRect(KnownFont font, Surface *ds, const char *text, const Common::Rect &rect, int color, int effectColor, FontEffectFlags flags) {
textDrawRect(knownFont2FontIdx(font), ds, text, rect, color, effectColor, flags);
}
private:
enum FontId {
kSmallFont,
kMediumFont,
kBigFont,
kIHNMUnknown,
kIHNMFont8,
kIHNMUnknown2,
kIHNMMainFont
};
Font::FontId knownFont2FontIdx(KnownFont font);
int getStringWidth(FontId fontId, const char *text, size_t count, FontEffectFlags flags);
int getHeight(FontId fontId, const char *text, int width, FontEffectFlags flags);
void textDrawRect(FontId fontId, Surface *ds, const char *text, const Common::Rect &rect, int color, int effectColor, FontEffectFlags flags);
void textDraw(FontId fontId, Surface *ds, const char *string, const Common::Point &point, int color, int effectColor, FontEffectFlags flags);
void loadFont(uint32 fontResourceId);
void createOutline(FontData *font);
void draw(FontId fontId, Surface *ds, const char *text, size_t count, const Common::Point &point, int color, int effectColor, FontEffectFlags flags);
void outFont(const FontStyle &drawFont, Surface *ds, const char *text, size_t count, const Common::Point &point, int color, FontEffectFlags flags);
FontData *getFont(FontId fontId) {
validate(fontId);
return _fonts[fontId];
}
int getHeight(FontId fontId) {
return getFont(fontId)->normal.header.charHeight;
}
void validate(FontId fontId) {
if (!valid(fontId)) {
error("Font::validate: Invalid font id.");
}
}
bool valid(FontId fontId) {
return ((fontId >= 0) && (fontId < _loadedFonts));
}
int getByteLen(int numBits) const {
int byteLength = numBits / 8;
if (numBits % 8) {
byteLength++;
}
return byteLength;
}
static const int _charMap[256];
SagaEngine *_vm;
bool _initialized;
int _loadedFonts;
FontData **_fonts;
};
} // End of namespace Saga
#endif
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