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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/.
*/
#include <skia/x11/cairotextrender.hxx>
#include <salbmp.hxx>
#include <vcl/salbtype.hxx>
#include <skia/gdiimpl.hxx>
#include <cairo.h>
SkiaX11CairoTextRender::SkiaX11CairoTextRender(X11SalGraphics& rParent)
: X11CairoTextRender(rParent)
{
}
cairo_t* SkiaX11CairoTextRender::getCairoContext()
{
cairo_surface_t* surface = nullptr;
SkiaSalGraphicsImpl* pImpl = dynamic_cast<SkiaSalGraphicsImpl*>(mrParent.GetImpl());
if (pImpl)
{
tools::Rectangle aClipRect = pImpl->getClipRegion().GetBoundRect();
if (aClipRect.GetWidth() == 0 || aClipRect.GetHeight() == 0)
{
aClipRect.setWidth(GetWidth());
aClipRect.setHeight(GetHeight());
}
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, aClipRect.GetWidth(),
aClipRect.GetHeight());
}
if (!surface)
return nullptr;
cairo_t* cr = cairo_create(surface);
cairo_surface_destroy(surface);
return cr;
}
void SkiaX11CairoTextRender::getSurfaceOffset(double& nDX, double& nDY)
{
SkiaSalGraphicsImpl* pImpl = dynamic_cast<SkiaSalGraphicsImpl*>(mrParent.GetImpl());
if (pImpl)
{
tools::Rectangle aClipRect = pImpl->getClipRegion().GetBoundRect();
nDX = -aClipRect.Left();
nDY = -aClipRect.Top();
}
}
void SkiaX11CairoTextRender::releaseCairoContext(cairo_t* cr)
{
SkiaSalGraphicsImpl* pImpl = dynamic_cast<SkiaSalGraphicsImpl*>(mrParent.GetImpl());
if (!pImpl)
{
cairo_destroy(cr);
return;
}
cairo_surface_t* pSurface = cairo_get_target(cr);
int nWidth = cairo_image_surface_get_width(pSurface);
int nHeight = cairo_image_surface_get_height(pSurface);
cairo_surface_flush(pSurface);
unsigned char* pSrc = cairo_image_surface_get_data(pSurface);
tools::Rectangle aClipRect = pImpl->getClipRegion().GetBoundRect();
SalTwoRect aRect(0, 0, nWidth, nHeight, aClipRect.Left(), aClipRect.Top(), nWidth, nHeight);
SkBitmap bitmap;
if (!bitmap.installPixels(SkImageInfo::MakeN32Premul(nWidth, nHeight), pSrc, nWidth * 4))
abort();
pImpl->drawBitmap(aRect, bitmap);
bitmap.reset();
cairo_destroy(cr);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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