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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 <config_cairo_canvas.h>
#include <sal/config.h>
#include <vcl/wrkwin.hxx>
#include <vcl/canvastools.hxx>
#include <vcl/virdev.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/metaact.hxx>
#include <com/sun/star/rendering/XBitmap.hpp>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/XBitmapCanvas.hpp>
#include <cppcanvas/vclfactory.hxx>
using namespace ::com::sun::star;
static std::ostream& operator<<(std::ostream& rStream, const KernArray& rArray)
{
if (rArray.empty())
{
rStream << "{ }";
return rStream;
}
rStream << "{ ";
for (size_t i = 0; i < rArray.size() - 1; i++)
rStream << rArray[i] << ", ";
rStream << rArray.back();
rStream << " }";
return rStream;
}
static std::ostream& operator<<(std::ostream& rStream, const std::vector<sal_Bool>& rVec)
{
if (rVec.empty())
{
rStream << "{ }";
return rStream;
}
rStream << "{ ";
for (size_t i = 0; i < rVec.size() - 1; i++)
rStream << std::boolalpha << bool(rVec[i]) << ", ";
rStream << std::boolalpha << bool(rVec.back());
rStream << " }";
return rStream;
}
#include <test/bootstrapfixture.hxx>
class CanvasTest : public test::BootstrapFixture
{
public:
CanvasTest()
: BootstrapFixture(true, false)
{
}
};
CPPUNIT_TEST_FIXTURE(CanvasTest, testComposite)
{
ScopedVclPtrInstance<WorkWindow> pWin(nullptr, WB_STDWORK);
uno::Reference<rendering::XCanvas> xCanvas = pWin->GetOutDev()->GetCanvas();
CPPUNIT_ASSERT(xCanvas.is());
// a huge canvas ...
Size aSize(1, 1);
uno::Reference<rendering::XBitmap> xBitmap = xCanvas->getDevice()->createCompatibleAlphaBitmap(
vcl::unotools::integerSize2DFromSize(aSize));
CPPUNIT_ASSERT(xBitmap.is());
uno::Reference<rendering::XBitmapCanvas> xBitmapCanvas(xBitmap, uno::UNO_QUERY);
CPPUNIT_ASSERT(xBitmapCanvas.is());
BitmapEx aBitmapEx;
{
// clear the canvas and basic sanity check ...
xBitmapCanvas->clear();
CPPUNIT_ASSERT(aBitmapEx.Create(xBitmapCanvas, aSize));
CPPUNIT_ASSERT(aBitmapEx.IsAlpha());
CPPUNIT_ASSERT(!aBitmapEx.GetAlphaMask().IsEmpty());
}
{
// render something
rendering::RenderState aDefaultState;
uno::Sequence<double> aRedTransparent{ 1.0, // R
0.0, // G
0.0, // B
0.5 }; // A
aDefaultState.DeviceColor = aRedTransparent;
#if 0
// words fail me to describe the sheer beauty of allocating a UNO
// object to represent a polygon, and manually handling the ViewState
// and there being no public helper for this - to render ... a rectangle.
XCachedPrimitive fillPolyPolygon( [in] XPolyPolygon2D xPolyPolygon, [in] ViewState aViewState, [in] RenderState aRenderState )
#endif
}
}
CPPUNIT_TEST_FIXTURE(CanvasTest, testTdf155810)
{
GDIMetaFile aInputMetaFile, aOutputMetaFile;
KernArray aDXArray;
std::vector<sal_Bool> aKashidaArray;
// First create a meta file with a text array action that has Kashida adjustments.
{
ScopedVclPtrInstance<VirtualDevice> pDev;
vcl::Font aFont(u"Noto Naskh Arabic"_ustr, u"Regular"_ustr, Size(0, 72));
pDev->SetFont(aFont);
aInputMetaFile.Record(pDev.get());
OUString aText(u"خالد"_ustr);
pDev->GetTextArray(aText, &aDXArray);
auto nKashida = 200;
aDXArray[0] += nKashida;
aDXArray[2] += nKashida;
aKashidaArray = { true, false, true, false };
pDev->DrawTextArray(Point(0, 0), aText, aDXArray, aKashidaArray, 0, -1);
aInputMetaFile.Stop();
}
// Then draw it using canvas
{
ScopedVclPtrInstance<VirtualDevice> pDev;
aOutputMetaFile.Record(pDev.get());
auto xCanvas = pDev->GetCanvas();
CPPUNIT_ASSERT(xCanvas.is());
auto pCanvas = cppcanvas::VCLFactory::createCanvas(xCanvas);
auto pRenderer = cppcanvas::VCLFactory::createRenderer(pCanvas, aInputMetaFile, {});
pRenderer->draw();
aOutputMetaFile.Stop();
}
// Then check that the text array drawn by the canvas renderer didn’t loose
// the Kashida insertion positions.
{
auto pInputAction = aInputMetaFile.GetAction(aInputMetaFile.GetActionSize() - 1);
auto pOutputAction = aOutputMetaFile.GetAction(aOutputMetaFile.GetActionSize() - 2);
CPPUNIT_ASSERT_EQUAL(MetaActionType::TEXTARRAY, pInputAction->GetType());
CPPUNIT_ASSERT_EQUAL(pInputAction->GetType(), pOutputAction->GetType());
MetaTextArrayAction* pInputTextAction = static_cast<MetaTextArrayAction*>(pInputAction);
MetaTextArrayAction* pOutputTextAction = static_cast<MetaTextArrayAction*>(pOutputAction);
CPPUNIT_ASSERT_EQUAL(pInputTextAction->GetDXArray(), aDXArray);
CPPUNIT_ASSERT_EQUAL(pInputTextAction->GetDXArray(), pOutputTextAction->GetDXArray());
CPPUNIT_ASSERT_EQUAL(pInputTextAction->GetKashidaArray(), aKashidaArray);
CPPUNIT_ASSERT_EQUAL(pInputTextAction->GetKashidaArray(),
pOutputTextAction->GetKashidaArray());
}
// Now, test drawSubset
{
ScopedVclPtrInstance<VirtualDevice> pDev;
aOutputMetaFile.Clear();
aOutputMetaFile.Record(pDev.get());
auto xCanvas = pDev->GetCanvas();
CPPUNIT_ASSERT(xCanvas.is());
auto pCanvas = cppcanvas::VCLFactory::createCanvas(xCanvas);
auto pRenderer = cppcanvas::VCLFactory::createRenderer(pCanvas, aInputMetaFile, {});
pRenderer->drawSubset(1, 3);
aOutputMetaFile.Stop();
}
{
auto pOutputAction = aOutputMetaFile.GetAction(aOutputMetaFile.GetActionSize() - 2);
CPPUNIT_ASSERT_EQUAL(MetaActionType::TEXTARRAY, pOutputAction->GetType());
MetaTextArrayAction* pOutputTextAction = static_cast<MetaTextArrayAction*>(pOutputAction);
std::vector<sal_Bool> aSubsetKashidaArray({ false, true });
CPPUNIT_ASSERT_EQUAL(aSubsetKashidaArray, pOutputTextAction->GetKashidaArray());
}
}
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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