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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "x11cairotextrender.hxx"
#include "unx/saldata.hxx"
#include "unx/saldisp.hxx"
#include "unx/salvd.h"
#include "gcach_xpeer.hxx"
#include <cairo.h>
struct BOX
{
short x1, x2, y1, y2;
};
struct _XRegion
{
long size;
long numRects;
BOX *rects;
BOX extents;
};
#if CAIRO_VERSION < CAIRO_VERSION_ENCODE(1, 10, 0)
# define CAIRO_OPERATOR_DIFFERENCE (static_cast<cairo_operator_t>(23))
#endif
X11CairoTextRender::X11CairoTextRender(X11SalGraphics& rParent)
: mrParent(rParent)
{
}
GlyphCache& X11CairoTextRender::getPlatformGlyphCache()
{
return X11GlyphCache::GetInstance();
}
cairo_t* X11CairoTextRender::getCairoContext()
{
cairo_t *cr = mrParent.getCairoContext();
//rhbz#1283420 bodge to draw and undraw something which has the side effect
//of making the mysterious xrender related problem go away
if (cairo_version() >= CAIRO_VERSION_ENCODE(1, 10, 0))
{
cairo_save(cr);
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
cairo_set_operator(cr, CAIRO_OPERATOR_DIFFERENCE);
cairo_rectangle(cr, 0, 0, 1, 1);
cairo_fill_preserve(cr);
cairo_fill(cr);
cairo_restore(cr);
}
return cr;
}
void X11CairoTextRender::getSurfaceOffset( double& nDX, double& nDY )
{
nDX = 0;
nDY = 0;
}
void X11CairoTextRender::clipRegion(cairo_t* cr)
{
Region pClipRegion = mrParent.mpClipRegion;
if( pClipRegion && !XEmptyRegion( pClipRegion ) )
{
for (long i = 0; i < pClipRegion->numRects; ++i)
{
cairo_rectangle(cr,
pClipRegion->rects[i].x1,
pClipRegion->rects[i].y1,
pClipRegion->rects[i].x2 - pClipRegion->rects[i].x1,
pClipRegion->rects[i].y2 - pClipRegion->rects[i].y1);
}
cairo_clip(cr);
}
}
size_t X11CairoTextRender::GetWidth() const
{
SalGeometryProvider *pProvider = mrParent.m_pFrame;
if( !pProvider )
pProvider = mrParent.m_pVDev;
if( pProvider )
return pProvider->GetWidth();
else
return 1;
}
size_t X11CairoTextRender::GetHeight() const
{
SalGeometryProvider *pProvider = mrParent.m_pFrame;
if( !pProvider )
pProvider = mrParent.m_pVDev;
if( pProvider )
return pProvider->GetHeight();
else
return 1;
}
void X11CairoTextRender::releaseCairoContext(cairo_t* cr)
{
X11SalGraphics::releaseCairoContext(cr);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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