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-rw-r--r--gui/font.h120
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diff --git a/gui/font.h b/gui/font.h
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--- a/gui/font.h
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-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2002-2004 The ScummVM project
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * $Header$
- */
-
-#ifndef FONT_H
-#define FONT_H
-
-#include "common/str.h"
-
-namespace GUI {
-
-// Text alignment modes for drawString()
-enum TextAlignment {
- kTextAlignLeft,
- kTextAlignCenter,
- kTextAlignRight
-};
-
-/**
- * An arbitrary graphics surface, which can be the target (or source) of blit
- * operations, font rendering, etc.
- * @todo This shouldn't be in font.h, but rather in e.g. graphics/surface.h
- */
-struct Surface {
- void *pixels;
- uint16 w;
- uint16 h;
- uint16 pitch;
- uint8 bytesPerPixel;
- Surface() : pixels(0), w(0), h(0), pitch(0), bytesPerPixel(0) {}
-};
-
-/**
- * Instances of this class represent a distinct font, with a built-in renderer.
- * @todo Maybe move the high-level methods (drawString etc.) to a separate
- * FontRenderer class? That way, we could have different variants... ?
- * @todo Add more parameters to drawString, or additional similar methods,
- * featuring abilities like
- * - rendering with wrap-around instead of inserting an ellipsis or
- * cutting them; needs a 'height' parameter
- * - rendering multi-line strings (essentially, invoke the regular
- * drawString for each line, and advance one line)
- * - combinations of the two above: honor line feeds, and also wrap
- * overlong lines
- */
-class Font {
-public:
- virtual int getFontHeight() const = 0;
- virtual int getMaxCharWidth() const = 0;
-
- virtual int getCharWidth(byte chr) const = 0;
- virtual void drawChar(const Surface *dst, byte chr, int x, int y, uint32 color) const = 0;
-
- void drawString(const Surface *dst, const Common::String &str, int x, int y, int w, uint32 color, TextAlignment align = kTextAlignLeft, int deltax = 0, bool useEllipsis = true) const;
- int getStringWidth(const Common::String &str) const;
-};
-
-
-class ScummFont : public Font {
-public:
- virtual int getFontHeight() const { return 8; }
- virtual int getMaxCharWidth() const { return 8; };
-
- virtual int getCharWidth(byte chr) const;
- virtual void drawChar(const Surface *dst, byte chr, int x, int y, uint32 color) const;
-};
-
-extern const ScummFont g_scummfont;
-
-
-
-typedef unsigned short bitmap_t; /* bitmap image unit size*/
-
-/* builtin C-based proportional/fixed font structure */
-/* based on The Microwindows Project http://microwindows.org */
-class NewFont : public Font {
-protected:
- const char * name; /* font name*/
- int maxwidth; /* max width in pixels*/
- int height; /* height in pixels*/
- int ascent; /* ascent (baseline) height*/
- int firstchar; /* first character in bitmap*/
- int size; /* font size in glyphs*/
- const bitmap_t* bits; /* 16-bit right-padded bitmap data*/
- const unsigned long* offset; /* offsets into bitmap data*/
- const unsigned char* width; /* character widths or NULL if fixed*/
- int defaultchar; /* default char (not glyph index)*/
- long bits_size; /* # words of bitmap_t bits*/
-
-public:
- NewFont();
-
- virtual int getFontHeight() const { return height; }
- virtual int getMaxCharWidth() const { return maxwidth; };
-
- virtual int getCharWidth(byte chr) const;
- virtual void drawChar(const Surface *dst, byte chr, int x, int y, uint32 color) const;
-};
-
-extern const NewFont g_sysfont;
-
-} // End of namespace GUI
-
-#endif