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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <svx/sdrpaintwindow.hxx>
#include <svx/sdr/overlay/overlaymanagerbuffered.hxx>
#include <svx/svdpntv.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/svapp.hxx>
////////////////////////////////////////////////////////////////////////////////////////////////////
SdrPreRenderDevice::SdrPreRenderDevice(OutputDevice& rOriginal)
: mrOutputDevice(rOriginal)
{
}
SdrPreRenderDevice::~SdrPreRenderDevice()
{
}
void SdrPreRenderDevice::PreparePreRenderDevice()
{
// compare size of maPreRenderDevice with size of visible area
if(maPreRenderDevice.GetOutputSizePixel() != mrOutputDevice.GetOutputSizePixel())
{
maPreRenderDevice.SetOutputSizePixel(mrOutputDevice.GetOutputSizePixel());
}
// Also compare the MapModes for zoom/scroll changes
if(maPreRenderDevice.GetMapMode() != mrOutputDevice.GetMapMode())
{
maPreRenderDevice.SetMapMode(mrOutputDevice.GetMapMode());
}
// #i29186#
maPreRenderDevice.SetDrawMode(mrOutputDevice.GetDrawMode());
maPreRenderDevice.SetSettings(mrOutputDevice.GetSettings());
}
void SdrPreRenderDevice::OutputPreRenderDevice(const Region& rExpandedRegion)
{
// region to pixels
Region aRegionPixel(mrOutputDevice.LogicToPixel(rExpandedRegion));
RegionHandle aRegionHandle(aRegionPixel.BeginEnumRects());
Rectangle aRegionRectanglePixel;
// MapModes off
sal_Bool bMapModeWasEnabledDest(mrOutputDevice.IsMapModeEnabled());
sal_Bool bMapModeWasEnabledSource(maPreRenderDevice.IsMapModeEnabled());
mrOutputDevice.EnableMapMode(sal_False);
maPreRenderDevice.EnableMapMode(sal_False);
while(aRegionPixel.GetEnumRects(aRegionHandle, aRegionRectanglePixel))
{
// for each rectangle, copy the area
const Point aTopLeft(aRegionRectanglePixel.TopLeft());
const Size aSize(aRegionRectanglePixel.GetSize());
mrOutputDevice.DrawOutDev(
aTopLeft, aSize,
aTopLeft, aSize,
maPreRenderDevice);
#ifdef DBG_UTIL
// #i74769#
static bool bDoPaintForVisualControlRegion(false);
if(bDoPaintForVisualControlRegion)
{
Color aColor((((((rand()&0x7f)|0x80)<<8L)|((rand()&0x7f)|0x80))<<8L)|((rand()&0x7f)|0x80));
mrOutputDevice.SetLineColor(aColor);
mrOutputDevice.SetFillColor();
mrOutputDevice.DrawRect(aRegionRectanglePixel);
}
#endif
}
aRegionPixel.EndEnumRects(aRegionHandle);
mrOutputDevice.EnableMapMode(bMapModeWasEnabledDest);
maPreRenderDevice.EnableMapMode(bMapModeWasEnabledSource);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
void SdrPaintWindow::impCreateOverlayManager(const bool bUseBuffer)
{
// When the buffer usage has changed then we have to create a new
// overlay manager. Save the current one so that later we can move its
// overlay objects to the new one.
rtl::Reference<sdr::overlay::OverlayManager> xOldOverlayManager;
if(mbUseBuffer != bUseBuffer)
{
mbUseBuffer = bUseBuffer;
xOldOverlayManager = mxOverlayManager;
mxOverlayManager.clear();
}
// not yet one created?
if(!mxOverlayManager.is())
{
// is it a window?
if(OUTDEV_WINDOW == GetOutputDevice().GetOutDevType())
{
// decide which OverlayManager to use
if(GetPaintView().IsBufferedOverlayAllowed() && mbUseBuffer)
{
// buffered OverlayManager, buffers its background and refreshes from there
// for pure overlay changes (no system redraw). The 3rd parameter specifies
// whether that refresh itself will use a 2nd vdev to avoid flickering.
// Also hand over the old OverlayManager if existent; this means to take over
// the registered OverlayObjects from it
mxOverlayManager = ::sdr::overlay::OverlayManagerBuffered::create(GetOutputDevice(),
xOldOverlayManager.get(), true);
}
else
{
// unbuffered OverlayManager, just invalidates places where changes
// take place
// Also hand over the old OverlayManager if existent; this means to take over
// the registered OverlayObjects from it
mxOverlayManager = ::sdr::overlay::OverlayManager::create(GetOutputDevice(),
xOldOverlayManager.get());
}
OSL_ENSURE(mxOverlayManager.is(), "SdrPaintWindow::SdrPaintWindow: Could not allocate an overlayManager (!)");
// Request a repaint so that the buffered overlay manager fills
// its buffer properly. This is a workaround for missing buffer
// updates.
Window* pWindow = dynamic_cast<Window*>(&GetOutputDevice());
if (pWindow != NULL)
pWindow->Invalidate();
Color aColA(GetPaintView().getOptionsDrawinglayer().GetStripeColorA());
Color aColB(GetPaintView().getOptionsDrawinglayer().GetStripeColorB());
if(Application::GetSettings().GetStyleSettings().GetHighContrastMode())
{
aColA = aColB = Application::GetSettings().GetStyleSettings().GetHighlightColor();
aColB.Invert();
}
mxOverlayManager->setStripeColorA(aColA);
mxOverlayManager->setStripeColorB(aColB);
mxOverlayManager->setStripeLengthPixel(GetPaintView().getOptionsDrawinglayer().GetStripeLength());
}
}
}
SdrPaintWindow::SdrPaintWindow(SdrPaintView& rNewPaintView, OutputDevice& rOut)
: mrOutputDevice(rOut),
mrPaintView(rNewPaintView),
mpPreRenderDevice(0L),
mbTemporaryTarget(false), // #i72889#
mbUseBuffer(true)
{
}
SdrPaintWindow::~SdrPaintWindow()
{
mxOverlayManager.clear();
DestroyPreRenderDevice();
}
rtl::Reference< ::sdr::overlay::OverlayManager > SdrPaintWindow::GetOverlayManager() const
{
if(!mxOverlayManager.is())
{
// Create buffered overlay manager by default.
const_cast< SdrPaintWindow* >(this)->impCreateOverlayManager(true);
}
return mxOverlayManager;
}
Rectangle SdrPaintWindow::GetVisibleArea() const
{
Size aVisSizePixel(GetOutputDevice().GetOutputSizePixel());
return Rectangle(GetOutputDevice().PixelToLogic(Rectangle(Point(0,0), aVisSizePixel)));
}
sal_Bool SdrPaintWindow::OutputToRecordingMetaFile() const
{
GDIMetaFile* pMetaFile = mrOutputDevice.GetConnectMetaFile();
return (pMetaFile && pMetaFile->IsRecord() && !pMetaFile->IsPause());
}
void SdrPaintWindow::PreparePreRenderDevice()
{
const sal_Bool bPrepareBufferedOutput(
mrPaintView.IsBufferedOutputAllowed()
&& !OutputToPrinter()
&& !OutputToVirtualDevice()
&& !OutputToRecordingMetaFile());
if(bPrepareBufferedOutput)
{
if(!mpPreRenderDevice)
{
mpPreRenderDevice = new SdrPreRenderDevice(mrOutputDevice);
}
}
else
{
DestroyPreRenderDevice();
}
if(mpPreRenderDevice)
{
mpPreRenderDevice->PreparePreRenderDevice();
}
}
void SdrPaintWindow::DestroyPreRenderDevice()
{
if(mpPreRenderDevice)
{
delete mpPreRenderDevice;
mpPreRenderDevice = 0L;
}
}
void SdrPaintWindow::OutputPreRenderDevice(const Region& rExpandedRegion)
{
if(mpPreRenderDevice)
{
mpPreRenderDevice->OutputPreRenderDevice(rExpandedRegion);
}
}
// #i73602# add flag if buffer shall be used
void SdrPaintWindow::DrawOverlay(const Region& rRegion, bool bUseBuffer)
{
// ## force creation of OverlayManager since the first repaint needs to
// save the background to get a controlled start into overlay mechanism
impCreateOverlayManager(bUseBuffer);
if(mxOverlayManager.is() && !OutputToPrinter())
{
if(mpPreRenderDevice && bUseBuffer)
{
mxOverlayManager->completeRedraw(rRegion, &mpPreRenderDevice->GetPreRenderDevice());
}
else
{
mxOverlayManager->completeRedraw(rRegion);
}
}
}
const Region& SdrPaintWindow::GetRedrawRegion() const
{
return maRedrawRegion;
}
void SdrPaintWindow::SetRedrawRegion(const Region& rNew)
{
maRedrawRegion = rNew;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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