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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /ksvg/impl/libs/libtext2path/src/Glyph.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ Copyright (C) 2003 Nikolas Zimmermann <[email protected]>
+ This file is part of the KDE project
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ aint with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef T2P_GLYPH_H
+#define T2P_GLYPH_H
+
+#include <list>
+#include <vector>
+#include <string>
+
+#include "Affine.h"
+#include "BezierPath.h"
+
+// FreeType 2 includes
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+namespace T2P
+{
+ class Font;
+
+ // Represent one single glyph in cache
+ class Glyph
+ {
+ public:
+ Glyph();
+ ~Glyph();
+
+ Affine &affine(); // Initial tracing affine
+ void setAffine(const Affine &affine);
+
+ const BezierPath *bezierPath() const; // Non-modifyable bezierPath belonging to this glyph
+ BezierPath *modifiableBezierPath(); // ONLY USED BY GLYPHTRACER, DO NOT USE SOMEWHERE ELSE!
+ void setBezierPath(const BezierPath *bpath);
+
+ FT_BBox *ftBbox();
+
+ private:
+ Affine m_affine;
+ FT_BBox m_ftBbox[4];
+ BezierPath *m_bezierPath;
+ };
+
+ // Is created for every character which needs to
+ // be rendered and has to be deleted by the "client"
+ class GlyphAffinePair
+ {
+ public:
+ GlyphAffinePair(const Glyph *glyph, const Affine &affine);
+ ~GlyphAffinePair();
+
+ void setTransformatedPath(const BezierPath *path);
+ const BezierPath *transformatedPath() const;
+
+ const Glyph *glyph() const;
+ Affine &affine();
+
+ private:
+ const Glyph *m_glyph;
+ const BezierPath *m_transformatedPath;
+ Affine m_affine;
+ };
+
+ class GlyphSet
+ {
+ public:
+ GlyphSet();
+ ~GlyphSet();
+
+ std::vector<GlyphAffinePair *> &set();
+ std::list<float> glyphXAdvance();
+ std::list<float> glyphYAdvance();
+
+ unsigned int glyphCount() const;
+
+ int width() const;
+ int height() const;
+
+ int bboxX() const;
+ int bboxY() const;
+
+ double xpen() const;
+ double ypen() const;
+
+ int underlinePosition() const;
+ int underlineThickness() const;
+ int overlinePosition() const;
+ int strikeThroughPosition() const;
+ int pixelBaseline() const;
+
+ private:
+ friend class Converter;
+ unsigned int m_glyphCount; // Number of glyphs in the set
+
+ int m_bboxX, m_bboxY; // Bounding box locations (x,y) + (x + width, y + width)
+ int m_width, m_height;
+
+ double m_xpen, m_ypen; // relative pen locations
+
+ int m_underlinePosition, m_underlineThickness, m_overlinePosition, m_strikeThroughPosition, m_pixelBaseline;
+
+ std::vector<GlyphAffinePair *> m_set; // Bezier paths in the set
+
+ std::list<float> m_glyphXAdvance; // List of advance values needed ie. for text paths
+ std::list<float> m_glyphYAdvance;
+ };
+
+ class GlyphLayoutParams
+ {
+ public:
+ GlyphLayoutParams();
+ ~GlyphLayoutParams();
+
+ bool tb() const;
+ void setTb(bool tb);
+
+ bool useBidi() const;
+ void setUseBidi(bool bidi);
+
+ double wordSpacing() const;
+ void setWordSpacing(double wordSpacing);
+
+ double letterSpacing() const;
+ void setLetterSpacing(double letterSpacing);
+
+ std::string baselineShift() const;
+ void setBaselineShift(const std::string &baseline);
+
+ int glyphOrientationVertical() const;
+ void setGlyphOrientationVertical(int orient);
+
+ int glyphOrientationHorizontal() const;
+ void setGlyphOrientationHorizontal(int orient);
+
+ // textOnPath specific stuff
+ double textPathStartOffset() const;
+ void setTextPathStartOffset(double offset);
+
+ private:
+ bool m_tb; // Top-To-Bottom or Bottom-To-Top ?
+ bool m_useBidi; // Use Bidi ?
+ double m_wordSpacing, m_letterSpacing; // word/character spacing
+ double m_textPathStartOffset; // range: 0.0 - 1.0; start offset in the path
+ int m_glyphOrientationVertical, m_glyphOrientationHorizontal; // Degrees...
+ std::string m_baseline; // baseline description, using same system as svg
+ };
+
+ class GlyphRenderParams
+ {
+ public:
+ GlyphRenderParams();
+ ~GlyphRenderParams();
+
+ Font *font() const;
+ void setFont(Font *font);
+
+ const GlyphLayoutParams *layout() const;
+ void setLayout(const GlyphLayoutParams *layout);
+
+ unsigned int glyphIndex() const;
+ void setGlyphIndex(unsigned int glyphIndex);
+
+ unsigned int lastGlyph() const;
+ void setLastGlyph(unsigned int lastGlyph);
+
+ unsigned short character() const;
+ void setCharacter(unsigned short character);
+
+ private:
+ Font *m_font;
+ const GlyphLayoutParams *m_layout; // Glyph layouting params
+
+ unsigned int m_glyphIndex; // 'character' index in font
+ unsigned int m_lastGlyph; // Kerning
+ unsigned short m_character; // Unicode glyph to process
+ };
+}
+
+#endif
+
+// vim:ts=4:noet