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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /sd/source/ui/slidesorter/view/SlsPageObjectPainter.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sd/source/ui/slidesorter/view/SlsPageObjectPainter.cxx')
-rw-r--r-- | sd/source/ui/slidesorter/view/SlsPageObjectPainter.cxx | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/view/SlsPageObjectPainter.cxx b/sd/source/ui/slidesorter/view/SlsPageObjectPainter.cxx new file mode 100644 index 000000000..feaf5a5fa --- /dev/null +++ b/sd/source/ui/slidesorter/view/SlsPageObjectPainter.cxx @@ -0,0 +1,442 @@ +/* -*- 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 <view/SlsPageObjectPainter.hxx> + +#include <model/SlsPageDescriptor.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsPageObjectLayouter.hxx> +#include <view/SlsLayouter.hxx> +#include <view/SlsTheme.hxx> +#include <SlideSorter.hxx> +#include "SlsFramePainter.hxx" +#include <cache/SlsPageCache.hxx> +#include <Window.hxx> +#include <sdpage.hxx> +#include <vcl/virdev.hxx> +#include <CustomAnimationEffect.hxx> +#include <osl/diagnose.h> +#include <memory> + +using namespace ::drawinglayer::primitive2d; + +namespace sd::slidesorter::view { + +//===== PageObjectPainter ===================================================== + +PageObjectPainter::PageObjectPainter ( + const SlideSorter& rSlideSorter) + : mrLayouter(rSlideSorter.GetView().GetLayouter()), + mpCache(rSlideSorter.GetView().GetPreviewCache()), + mpTheme(rSlideSorter.GetTheme()), + mpPageNumberFont(Theme::GetFont(Theme::Font_PageNumber, *rSlideSorter.GetContentWindow()->GetOutDev())), + mpShadowPainter(new FramePainter(mpTheme->GetIcon(Theme::Icon_RawShadow))), + mpFocusBorderPainter(new FramePainter(mpTheme->GetIcon(Theme::Icon_FocusBorder))) +{ + // Replace the color (not the alpha values) in the focus border with a + // color derived from the current selection color. + Color aColor (mpTheme->GetColor(Theme::Color_Selection)); + sal_uInt16 nHue, nSat, nBri; + aColor.RGBtoHSB(nHue, nSat, nBri); + aColor = Color::HSBtoRGB(nHue, 28, 65); + mpFocusBorderPainter->AdaptColor(aColor); +} + +PageObjectPainter::~PageObjectPainter() +{ +} + +void PageObjectPainter::PaintPageObject ( + OutputDevice& rDevice, + const model::SharedPageDescriptor& rpDescriptor) +{ + if (!UpdatePageObjectLayouter()) + return; + + PageObjectLayouter *pPageObjectLayouter = mrLayouter.GetPageObjectLayouter().get(); + // Turn off antialiasing to avoid the bitmaps from being + // shifted by fractions of a pixel and thus show blurry edges. + const AntialiasingFlags nSavedAntialiasingMode (rDevice.GetAntialiasing()); + rDevice.SetAntialiasing(nSavedAntialiasingMode & ~AntialiasingFlags::Enable); + + PaintBackground(pPageObjectLayouter, rDevice, rpDescriptor); + PaintPreview(pPageObjectLayouter, rDevice, rpDescriptor); + PaintPageNumber(pPageObjectLayouter, rDevice, rpDescriptor); + PaintTransitionEffect(pPageObjectLayouter, rDevice, rpDescriptor); + if (rpDescriptor->GetPage()->hasAnimationNode()) + PaintCustomAnimationEffect(pPageObjectLayouter, rDevice, rpDescriptor); + rDevice.SetAntialiasing(nSavedAntialiasingMode); +} + +bool PageObjectPainter::UpdatePageObjectLayouter() +{ + // The page object layouter is quite volatile. It may have been replaced + // since the last call. Update it now. + PageObjectLayouter *pPageObjectLayouter = mrLayouter.GetPageObjectLayouter().get(); + if ( ! pPageObjectLayouter) + { + OSL_FAIL("no page object layouter"); + return false; + } + + return true; +} + +void PageObjectPainter::SetTheme (const std::shared_ptr<view::Theme>& rpTheme) +{ + mpTheme = rpTheme; +} + +void PageObjectPainter::PaintBackground ( + PageObjectLayouter *pPageObjectLayouter, + OutputDevice& rDevice, + const model::SharedPageDescriptor& rpDescriptor) const +{ + PaintBackgroundDetail(pPageObjectLayouter, rDevice, rpDescriptor); + + // Fill the interior of the preview area with the default background + // color of the page. + SdPage* pPage = rpDescriptor->GetPage(); + if (pPage != nullptr) + { + rDevice.SetFillColor(pPage->GetPageBackgroundColor(nullptr)); + rDevice.SetLineColor(pPage->GetPageBackgroundColor(nullptr)); + const ::tools::Rectangle aPreviewBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::Preview, + PageObjectLayouter::ModelCoordinateSystem)); + rDevice.DrawRect(aPreviewBox); + } +} + +void PageObjectPainter::PaintPreview ( + PageObjectLayouter *pPageObjectLayouter, + OutputDevice& rDevice, + const model::SharedPageDescriptor& rpDescriptor) const +{ + const ::tools::Rectangle aBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::Preview, + PageObjectLayouter::ModelCoordinateSystem)); + + if (mpCache == nullptr) + return; + + const SdrPage* pPage = rpDescriptor->GetPage(); + mpCache->SetPreciousFlag(pPage, true); + + const BitmapEx aPreview (GetPreviewBitmap(rpDescriptor, &rDevice)); + if ( ! aPreview.IsEmpty()) + { + if (aPreview.GetSizePixel() != aBox.GetSize()) + rDevice.DrawBitmapEx(aBox.TopLeft(), aBox.GetSize(), aPreview); + else + rDevice.DrawBitmapEx(aBox.TopLeft(), aPreview); + } +} + +BitmapEx PageObjectPainter::CreateMarkedPreview ( + const Size& rSize, + const BitmapEx& rPreview, + const BitmapEx& rOverlay, + const OutputDevice* pReferenceDevice) +{ + ScopedVclPtr<VirtualDevice> pDevice; + if (pReferenceDevice != nullptr) + pDevice.disposeAndReset(VclPtr<VirtualDevice>::Create(*pReferenceDevice)); + else + pDevice.disposeAndReset(VclPtr<VirtualDevice>::Create()); + pDevice->SetOutputSizePixel(rSize); + + pDevice->DrawBitmapEx(Point(0,0), rSize, rPreview); + + // Paint bitmap tiled over the preview to mark it as excluded. + const sal_Int32 nIconWidth (rOverlay.GetSizePixel().Width()); + const sal_Int32 nIconHeight (rOverlay.GetSizePixel().Height()); + if (nIconWidth>0 && nIconHeight>0) + { + for (::tools::Long nX=0; nX<rSize.Width(); nX+=nIconWidth) + for (::tools::Long nY=0; nY<rSize.Height(); nY+=nIconHeight) + pDevice->DrawBitmapEx(Point(nX,nY), rOverlay); + } + return pDevice->GetBitmapEx(Point(0,0), rSize); +} + +BitmapEx PageObjectPainter::GetPreviewBitmap ( + const model::SharedPageDescriptor& rpDescriptor, + const OutputDevice* pReferenceDevice) const +{ + const SdrPage* pPage = rpDescriptor->GetPage(); + const bool bIsExcluded (rpDescriptor->HasState(model::PageDescriptor::ST_Excluded)); + + if (bIsExcluded) + { + PageObjectLayouter *pPageObjectLayouter = mrLayouter.GetPageObjectLayouter().get(); + + BitmapEx aMarkedPreview (mpCache->GetMarkedPreviewBitmap(pPage)); + const ::tools::Rectangle aPreviewBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::Preview, + PageObjectLayouter::ModelCoordinateSystem)); + if (aMarkedPreview.IsEmpty() || aMarkedPreview.GetSizePixel()!=aPreviewBox.GetSize()) + { + aMarkedPreview = CreateMarkedPreview( + aPreviewBox.GetSize(), + mpCache->GetPreviewBitmap(pPage,true), + mpTheme->GetIcon(Theme::Icon_HideSlideOverlay), + pReferenceDevice); + mpCache->SetMarkedPreviewBitmap(pPage, aMarkedPreview); + } + return aMarkedPreview; + } + else + { + return mpCache->GetPreviewBitmap(pPage,false); + } +} + +void PageObjectPainter::PaintPageNumber ( + PageObjectLayouter *pPageObjectLayouter, + OutputDevice& rDevice, + const model::SharedPageDescriptor& rpDescriptor) const +{ + const ::tools::Rectangle aBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::PageNumber, + PageObjectLayouter::ModelCoordinateSystem)); + + // Determine the color of the page number. + Color aPageNumberColor (mpTheme->GetColor(Theme::Color_PageNumberDefault)); + if (rpDescriptor->HasState(model::PageDescriptor::ST_MouseOver) || + rpDescriptor->HasState(model::PageDescriptor::ST_Selected)) + { + // Page number is painted on background for hover or selection or + // both. Each of these background colors has a predefined luminance + // which is compatible with the PageNumberHover color. + aPageNumberColor = mpTheme->GetColor(Theme::Color_PageNumberHover); + } + else + { + const Color aBackgroundColor (mpTheme->GetColor(Theme::Color_Background)); + const sal_Int32 nBackgroundLuminance (aBackgroundColor.GetLuminance()); + // When the background color is black then this is interpreted as + // high contrast mode and the font color is set to white. + if (nBackgroundLuminance == 0) + aPageNumberColor = mpTheme->GetColor(Theme::Color_PageNumberHighContrast); + else + { + // Compare luminance of default page number color and background + // color. When the two are similar then use a darker + // (preferred) or brighter font color. + const sal_Int32 nFontLuminance (aPageNumberColor.GetLuminance()); + if (abs(nBackgroundLuminance - nFontLuminance) < 60) + { + if (nBackgroundLuminance > nFontLuminance-30) + aPageNumberColor = mpTheme->GetColor(Theme::Color_PageNumberBrightBackground); + else + aPageNumberColor = mpTheme->GetColor(Theme::Color_PageNumberDarkBackground); + } + } + } + + // Paint the page number. + OSL_ASSERT(rpDescriptor->GetPage()!=nullptr); + const sal_Int32 nPageNumber ((rpDescriptor->GetPage()->GetPageNum() - 1) / 2 + 1); + const OUString sPageNumber(OUString::number(nPageNumber)); + rDevice.SetFont(*mpPageNumberFont); + rDevice.SetTextColor(aPageNumberColor); + rDevice.DrawText(aBox, sPageNumber, DrawTextFlags::Right | DrawTextFlags::VCenter); +} + +void PageObjectPainter::PaintTransitionEffect ( + PageObjectLayouter *pPageObjectLayouter, + OutputDevice& rDevice, + const model::SharedPageDescriptor& rpDescriptor) +{ + const SdPage* pPage = rpDescriptor->GetPage(); + if (pPage!=nullptr && pPage->getTransitionType() > 0) + { + const ::tools::Rectangle aBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::TransitionEffectIndicator, + PageObjectLayouter::ModelCoordinateSystem)); + + rDevice.DrawBitmapEx( + aBox.TopCenter(), + pPageObjectLayouter->GetTransitionEffectIcon().GetBitmapEx()); + } +} + +void PageObjectPainter::PaintCustomAnimationEffect ( + PageObjectLayouter *pPageObjectLayouter, + OutputDevice& rDevice, + const model::SharedPageDescriptor& rpDescriptor) +{ + SdPage* pPage = rpDescriptor->GetPage(); + std::shared_ptr< MainSequence > aMainSequence = pPage->getMainSequence(); + EffectSequence::iterator aIter = aMainSequence->getBegin(); + EffectSequence::iterator aEnd = aMainSequence->getEnd(); + if ( aIter != aEnd ) + { + const ::tools::Rectangle aBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::CustomAnimationEffectIndicator, + PageObjectLayouter::ModelCoordinateSystem)); + rDevice.DrawBitmapEx( + aBox.TopCenter(), + pPageObjectLayouter->GetCustomAnimationEffectIcon().GetBitmapEx()); + } +} + +void PageObjectPainter::PaintBackgroundDetail ( + PageObjectLayouter *pPageObjectLayouter, + OutputDevice& rDevice, + const model::SharedPageDescriptor& rpDescriptor) const +{ + enum State { None = 0x00, Selected = 0x01, MouseOver = 0x02, Focused = 0x04 }; + const int eState = + (rpDescriptor->HasState(model::PageDescriptor::ST_Selected) ? Selected : None) + | (rpDescriptor->HasState(model::PageDescriptor::ST_MouseOver) ? MouseOver : None) + | (rpDescriptor->HasState(model::PageDescriptor::ST_Focused) ? Focused : None); + + bool bHasFocusBorder; + Theme::GradientColorType eColorType; + + switch (eState) + { + case MouseOver | Selected | Focused: + eColorType = Theme::Gradient_MouseOverSelectedAndFocusedPage; + bHasFocusBorder = true; + break; + + case MouseOver | Selected: + eColorType = Theme::Gradient_MouseOverSelected; + bHasFocusBorder = false; + break; + + case MouseOver: + eColorType = Theme::Gradient_MouseOverPage; + bHasFocusBorder = false; + break; + + case MouseOver | Focused: + eColorType = Theme::Gradient_MouseOverPage; + bHasFocusBorder = true; + break; + + case Selected | Focused: + eColorType = Theme::Gradient_SelectedAndFocusedPage; + bHasFocusBorder = true; + break; + + case Selected: + eColorType = Theme::Gradient_SelectedPage; + bHasFocusBorder = false; + break; + + case Focused: + eColorType = Theme::Gradient_FocusedPage; + bHasFocusBorder = true; + break; + + case None: + default: + eColorType = Theme::Gradient_NormalPage; + bHasFocusBorder = false; + break; + } + + const ::tools::Rectangle aFocusSize (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::FocusIndicator, + PageObjectLayouter::ModelCoordinateSystem)); + + const ::tools::Rectangle aPageObjectBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::PageObject, + PageObjectLayouter::ModelCoordinateSystem)); + + // Fill the background with the background color of the slide sorter. + const Color aBackgroundColor (mpTheme->GetColor(Theme::Color_Background)); + rDevice.SetFillColor(aBackgroundColor); + rDevice.SetLineColor(aBackgroundColor); + rDevice.DrawRect(aFocusSize); + + // Paint the slide area with a linear gradient that starts some pixels + // below the top and ends some pixels above the bottom. + const Color aTopColor(mpTheme->GetGradientColor(eColorType, Theme::GradientColorClass::Fill1)); + const Color aBottomColor(mpTheme->GetGradientColor(eColorType, Theme::GradientColorClass::Fill2)); + if (aTopColor != aBottomColor) + { + Gradient gradient(GradientStyle::Linear, aTopColor, aBottomColor); + rDevice.DrawGradient(aPageObjectBox, gradient); + } + else + { + rDevice.SetFillColor(aTopColor); + rDevice.DrawRect(aPageObjectBox); + } + + // Paint the simple border and, for some backgrounds, the focus border. + if (bHasFocusBorder) + mpFocusBorderPainter->PaintFrame(rDevice, aPageObjectBox); + else + PaintBorder(rDevice, eColorType, aPageObjectBox); + + // Get bounding box of the preview around which a shadow is painted. + // Compensate for the border around the preview. + const ::tools::Rectangle aBox (pPageObjectLayouter->GetBoundingBox( + rpDescriptor, + PageObjectLayouter::Part::Preview, + PageObjectLayouter::ModelCoordinateSystem)); + ::tools::Rectangle aFrameBox (aBox.Left()-1,aBox.Top()-1,aBox.Right()+1,aBox.Bottom()+1); + mpShadowPainter->PaintFrame(rDevice, aFrameBox); +} + +void PageObjectPainter::PaintBorder ( + OutputDevice& rDevice, + const Theme::GradientColorType eColorType, + const ::tools::Rectangle& rBox) const +{ + rDevice.SetFillColor(); + const sal_Int32 nBorderWidth (1); + for (int nIndex=0; nIndex<nBorderWidth; ++nIndex) + { + const int nDelta (nIndex); + rDevice.SetLineColor(mpTheme->GetGradientColor(eColorType, Theme::GradientColorClass::Border2)); + rDevice.DrawLine( + Point(rBox.Left()-nDelta, rBox.Top()-nDelta), + Point(rBox.Left()-nDelta, rBox.Bottom()+nDelta)); + rDevice.DrawLine( + Point(rBox.Left()-nDelta, rBox.Bottom()+nDelta), + Point(rBox.Right()+nDelta, rBox.Bottom()+nDelta)); + rDevice.DrawLine( + Point(rBox.Right()+nDelta, rBox.Bottom()+nDelta), + Point(rBox.Right()+nDelta, rBox.Top()-nDelta)); + + rDevice.SetLineColor(mpTheme->GetGradientColor(eColorType, Theme::GradientColorClass::Border1)); + rDevice.DrawLine( + Point(rBox.Left()-nDelta, rBox.Top()-nDelta), + Point(rBox.Right()+nDelta, rBox.Top()-nDelta)); + } +} + +} // end of namespace sd::slidesorter::view + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |