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

1 files changed, 113 insertions, 0 deletions

diff --git a/ksvg/plugin/backends/agg/GlyphTracerAgg.cpp b/ksvg/plugin/backends/agg/GlyphTracerAgg.cpp
new file mode 100644
index 00000000..39b00146
--- /dev/null
+++ b/ksvg/plugin/backends/agg/GlyphTracerAgg.cpp
@@ -0,0 +1,113 @@
+/*
+    Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org>
+    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.
+*/
+
+#include <iostream>
+
+#include "Glyph.h"
+#include "Point.h"
+#include "BezierPathAgg.h"
+#include "GlyphTracerAgg.h"
+
+using namespace T2P;
+
+int traceMoveto(FT_Vector *to, void *obj)
+{
+	Glyph *glyph = reinterpret_cast<Glyph *>(obj);
+	Affine &affine = glyph->affine();
+	BezierPathAgg *bpath = static_cast<BezierPathAgg *>(glyph->modifiableBezierPath());
+	Point p = affine.mapPoint(Point(to->x, to->y));
+	bpath->m_storage.move_to(p.x(), p.y());
+	return 0;
+}
+
+int traceLineto(FT_Vector *to, void *obj)
+{
+	Glyph *glyph = reinterpret_cast<Glyph *>(obj);
+	Affine &affine = glyph->affine();
+	BezierPathAgg *bpath = static_cast<BezierPathAgg *>(glyph->modifiableBezierPath());
+	Point p = affine.mapPoint(Point(to->x, to->y));
+	bpath->m_storage.line_to(p.x(), p.y());
+	return 0;
+}
+
+int traceConicBezier(FT_Vector *control, FT_Vector *to, void *obj)
+{
+	Glyph *glyph = reinterpret_cast<Glyph *>(obj);
+	Affine &affine = glyph->affine();
+	BezierPathAgg *bpath = static_cast<BezierPathAgg *>(glyph->modifiableBezierPath());
+	Point c = affine.mapPoint(Point(control->x, control->y));
+	Point p = affine.mapPoint(Point(to->x, to->y));
+
+	double sx, sy;
+	bpath->m_storage.vertex(bpath->m_storage.total_vertices() - 1, &sx, &sy);
+	bpath->m_storage.curve4(c.x() - (c.x() - sx) / 3, c.y() - (c.y() - sy) / 3,
+						  c.x() + (p.x() - c.x()) / 3, c.y() + (p.y() - c.y()) / 3, p.x(), p.y());
+
+	return 0;
+}
+
+int traceCubicBezier(FT_Vector *control1, FT_Vector *control2, FT_Vector *to, void *obj)
+{
+	Glyph *glyph = reinterpret_cast<Glyph *>(obj);
+	Affine &affine = glyph->affine();
+	BezierPathAgg *bpath = static_cast<BezierPathAgg *>(glyph->modifiableBezierPath());
+	Point p = affine.mapPoint(Point(to->x, to->y));
+	Point c1 = affine.mapPoint(Point(control1->x, control1->y));
+	Point c2 = affine.mapPoint(Point(control2->x, control2->y));
+	bpath->m_storage.curve4(c1.x(), c1.y(), c2.x(), c2.y(), p.x(), p.y());
+	return 0;
+}
+
+GlyphTracerAgg::GlyphTracerAgg() : GlyphTracer()
+{
+	setMoveto(*traceMoveto);
+	setLineto(*traceLineto);
+	setConicBezier(*traceConicBezier);
+	setCubicBezier(*traceCubicBezier);
+}
+
+GlyphTracerAgg::~GlyphTracerAgg()
+{
+}
+
+void GlyphTracerAgg::correctGlyph(GlyphAffinePair *glyphAffine)
+{
+
+	// Take bezier path belonging to glyph (Note: that one is _UNMODIFIABLE_, once calculated)
+	const BezierPathAgg *path = static_cast<const BezierPathAgg *>(glyphAffine->glyph()->bezierPath());
+
+	BezierPathAgg *transformatedPath = static_cast<BezierPathAgg *>(allocBezierPath(0));
+	Affine &affine = glyphAffine->affine();
+	transformatedPath->copy_from(path->m_storage, affine);
+	glyphAffine->setTransformatedPath(transformatedPath);
+}
+
+BezierPath *GlyphTracerAgg::allocBezierPath(int)
+{
+	return new BezierPathAgg();
+}	  
+
+void GlyphTracerAgg::closePath(Glyph *glyph)
+{
+	BezierPathAgg *bpath = static_cast<BezierPathAgg *>(glyph->modifiableBezierPath());
+	bpath->m_storage.close_polygon();
+}
+
+// vim:ts=4:noet