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libreoffice/drawinglayer/source/processor2d/processor2dtools.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

198 lines
7.7 KiB
C++

/* -*- 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 <drawinglayer/processor2d/processor2dtools.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/sysdata.hxx>
#include "vclpixelprocessor2d.hxx"
#include "vclmetafileprocessor2d.hxx"
#include <config_vclplug.h>
#if defined(_WIN32)
#include <drawinglayer/processor2d/d2dpixelprocessor2d.hxx>
#elif USE_HEADLESS_CODE
#include <drawinglayer/processor2d/cairopixelprocessor2d.hxx>
#include <officecfg/Office/Common.hxx>
#endif
using namespace com::sun::star;
namespace drawinglayer::processor2d
{
std::unique_ptr<BaseProcessor2D> createPixelProcessor2DFromScratch(
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D,
sal_uInt32 nPixelWidth,
sal_uInt32 nPixelHeight,
bool bUseRGBA)
{
if (0 == nPixelWidth || 0 == nPixelHeight)
// error: no size given
return nullptr;
#if USE_HEADLESS_CODE
// Linux/Cairo: now globally activated in master. Leave a
// possibility to deactivate for easy test/request testing
static bool bUsePrimitiveRenderer(nullptr == std::getenv("DISABLE_SYSTEM_DEPENDENT_PRIMITIVE_RENDERER"));
if (bUsePrimitiveRenderer)
{
// create CairoPixelProcessor2D with given size
std::unique_ptr<CairoPixelProcessor2D> aRetval(
std::make_unique<CairoPixelProcessor2D>(
rViewInformation2D,
nPixelWidth,
nPixelHeight,
bUseRGBA));
if (aRetval->valid())
return aRetval;
}
#endif
// avoid unused parameter errors
(void)rViewInformation2D;
(void)nPixelWidth;
(void)nPixelHeight;
(void)bUseRGBA;
// error: no result when no SDPR supported
return nullptr;
}
std::unique_ptr<BaseProcessor2D> createPixelProcessor2DFromOutputDevice(
OutputDevice& rTargetOutDev,
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D)
{
#if defined(_WIN32)
// Windows: make dependent on TEST_SYSTEM_PRIMITIVE_RENDERER
static bool bUsePrimitiveRenderer(nullptr != std::getenv("TEST_SYSTEM_PRIMITIVE_RENDERER"));
if (bUsePrimitiveRenderer)
{
drawinglayer::geometry::ViewInformation2D aViewInformation2D(rViewInformation2D);
// if mnOutOffX/mnOutOffY is set (a 'hack' to get a cheap additional offset), apply it additionally
// NOTE: This will also need to take extended size of target device into
// consideration, using D2DPixelProcessor2D *will* have to clip
// against that. Thus for now this is *not* sufficient (see tdf#163125)
if(0 != rTargetOutDev.GetOutOffXPixel() || 0 != rTargetOutDev.GetOutOffYPixel())
{
basegfx::B2DHomMatrix aTransform(aViewInformation2D.getViewTransformation());
aTransform.translate(rTargetOutDev.GetOutOffXPixel(), rTargetOutDev.GetOutOffYPixel());
aViewInformation2D.setViewTransformation(aTransform);
}
SystemGraphicsData aData(rTargetOutDev.GetSystemGfxData());
std::unique_ptr<D2DPixelProcessor2D> aRetval(
std::make_unique<D2DPixelProcessor2D>(aViewInformation2D, aData.hDC));
if (aRetval->valid())
return aRetval;
}
#elif USE_HEADLESS_CODE
// Linux/Cairo: now globally activated in master. Leave a
// possibility to deactivate for easy test/request testing
static bool bUsePrimitiveRenderer(nullptr == std::getenv("DISABLE_SYSTEM_DEPENDENT_PRIMITIVE_RENDERER"));
if (bUsePrimitiveRenderer)
{
// tdf#165061 do not use SDPR when RTL is enabled, SDPR is designed
// for rendering EditViews and does not support RTL (yet?)
// tdf#165437 also need to check for HasMirroredGraphics to
// get *all* mirrorings covered
const bool bMirrored(rTargetOutDev.IsRTLEnabled() || rTargetOutDev.HasMirroredGraphics());
if (!bMirrored)
{
SystemGraphicsData aData(rTargetOutDev.GetSystemGfxData());
// create CairoPixelProcessor2D, make use of the possibility to
// add an initial clip relative to the real pixel dimensions of
// the target surface. This is e.g. needed here due to the
// existence of 'virtual' target surfaces that internally use an
// offset and limited pixel size, mainly used for UI elements.
// let the CairoPixelProcessor2D do this, it has internal,
// system-specific possibilities to do that in an elegant and
// efficient way (using cairo_surface_create_for_rectangle).
std::unique_ptr<CairoPixelProcessor2D> aRetval(
std::make_unique<CairoPixelProcessor2D>(
rViewInformation2D, static_cast<cairo_surface_t*>(aData.pSurface),
rTargetOutDev.GetOutOffXPixel(), rTargetOutDev.GetOutOffYPixel(),
rTargetOutDev.GetOutputWidthPixel(), rTargetOutDev.GetOutputHeightPixel()));
if (aRetval->valid())
{
// if we construct a CairoPixelProcessor2D from OutputDevice,
// additionally set the XGraphics that can be obtained from
// there. It may be used e.g. to render FormControls directly
aRetval->setXGraphics(rTargetOutDev.CreateUnoGraphics());
return aRetval;
}
}
}
#endif
// default: create VclPixelProcessor2D
// NOTE: Since this uses VCL OutputDevice in the VclPixelProcessor2D
// taking care of virtual devices is not needed, OutputDevice
// and VclPixelProcessor2D will traditionally take care of it
return std::make_unique<VclPixelProcessor2D>(rViewInformation2D, rTargetOutDev);
}
std::unique_ptr<BaseProcessor2D> createProcessor2DFromOutputDevice(
OutputDevice& rTargetOutDev,
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D)
{
const GDIMetaFile* pMetaFile = rTargetOutDev.GetConnectMetaFile();
const bool bOutputToRecordingMetaFile(pMetaFile && pMetaFile->IsRecord()
&& !pMetaFile->IsPause());
if (bOutputToRecordingMetaFile)
{
// create MetaFile Vcl-Processor and process
return std::make_unique<VclMetafileProcessor2D>(rViewInformation2D, rTargetOutDev);
}
else
{
// create Pixel Vcl-Processor
return createPixelProcessor2DFromOutputDevice(rTargetOutDev, rViewInformation2D);
}
}
BitmapEx extractBitmapExFromBaseProcessor2D(const std::unique_ptr<BaseProcessor2D>& rProcessor)
{
BitmapEx aRetval;
#if USE_HEADLESS_CODE
// currently only defined for cairo
CairoPixelProcessor2D* pSource(dynamic_cast<CairoPixelProcessor2D*>(rProcessor.get()));
if (nullptr != pSource)
aRetval = pSource->extractBitmapEx();
#endif
// avoid unused parameter errors
(void)rProcessor;
// default: return empty BitmapEx
return aRetval;
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */