svx/source/xoutdev/xtabgrdt.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <XPropertyTable.hxx>
  21
  22 #include <vcl/virdev.hxx>
  23 #include <svx/strings.hrc>
  24 #include <svx/dialmgr.hxx>
  25 #include <svx/xtable.hxx>
  26
  27 #include <rtl/ustrbuf.hxx>
  28 #include <vcl/svapp.hxx>
  29 #include <vcl/settings.hxx>
  30 #include <osl/diagnose.h>
  31
  32 #include <drawinglayer/attribute/fillgradientattribute.hxx>
  33 #include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
  34 #include <drawinglayer/primitive2d/PolyPolygonGradientPrimitive2D.hxx>
  35 #include <drawinglayer/processor2d/baseprocessor2d.hxx>
  36 #include <drawinglayer/processor2d/processor2dtools.hxx>
  37 #include <basegfx/polygon/b2dpolygontools.hxx>
  38 #include <basegfx/utils/gradienttools.hxx>
  39 #include <memory>
  40
  41 using namespace com::sun::star;
  42
  43 XGradientList::XGradientList( const OUString& rPath, const OUString& rReferer )
  44 :   XPropertyList( XPropertyListType::Gradient, rPath, rReferer )
  45 {
  46 }
  47
  48 XGradientList::~XGradientList()
  49 {
  50 }
  51
  52 void XGradientList::Replace(std::unique_ptr<XGradientEntry> pEntry, tools::Long nIndex)
  53 {
  54     XPropertyList::Replace(std::move(pEntry), nIndex);
  55 }
  56
  57 XGradientEntry* XGradientList::GetGradient(tools::Long nIndex) const
  58 {
  59     return static_cast<XGradientEntry*>( XPropertyList::Get( nIndex ) );
  60 }
  61
  62 uno::Reference< container::XNameContainer > XGradientList::createInstance()
  63 {
  64     return SvxUnoXGradientTable_createInstance( *this );
  65 }
  66
  67 bool XGradientList::Create()
  68 {
  69     OUStringBuffer aStr(SvxResId(RID_SVXSTR_GRADIENT) + " 1");
  70     sal_Int32 nLen = aStr.getLength() - 1;
  71
  72     // XGradient() default already creates [COL_BLACK, COL_WHITE] as defaults
  73     Insert(std::make_unique<XGradientEntry>(basegfx::BGradient(),aStr.toString()));
  74
  75     aStr[nLen] = '2';
  76     Insert(std::make_unique<XGradientEntry>(basegfx::BGradient(basegfx::BColorStops(COL_BLUE.getBColor(),    COL_RED.getBColor()),     css::awt::GradientStyle_AXIAL     ,  300_deg10,20,20,10,100,100),aStr.toString()));
  77     aStr[nLen] = '3';
  78     Insert(std::make_unique<XGradientEntry>(basegfx::BGradient(basegfx::BColorStops(COL_RED.getBColor(),     COL_YELLOW.getBColor()),  css::awt::GradientStyle_RADIAL    ,  600_deg10,30,30,20,100,100),aStr.toString()));
  79     aStr[nLen] = '4';
  80     Insert(std::make_unique<XGradientEntry>(basegfx::BGradient(basegfx::BColorStops(COL_YELLOW.getBColor(),  COL_GREEN.getBColor()),   css::awt::GradientStyle_ELLIPTICAL,  900_deg10,40,40,30,100,100),aStr.toString()));
  81     aStr[nLen] = '5';
  82     Insert(std::make_unique<XGradientEntry>(basegfx::BGradient(basegfx::BColorStops(COL_GREEN.getBColor(),   COL_MAGENTA.getBColor()), css::awt::GradientStyle_SQUARE    , 1200_deg10,50,50,40,100,100),aStr.toString()));
  83     aStr[nLen] = '6';
  84     Insert(std::make_unique<XGradientEntry>(basegfx::BGradient(basegfx::BColorStops(COL_MAGENTA.getBColor(), COL_YELLOW.getBColor()),  css::awt::GradientStyle_RECT      , 1900_deg10,60,60,50,100,100),aStr.toString()));
  85
  86     return true;
  87 }
  88
  89 BitmapEx XGradientList::CreateBitmap( tools::Long nIndex, const Size& rSize ) const
  90 {
  91     BitmapEx aRetval;
  92
  93     OSL_ENSURE(nIndex < Count(), "OOps, access out of range (!)");
  94
  95     if(nIndex < Count())
  96     {
  97         const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
  98         // prepare polygon geometry for rectangle
  99         basegfx::B2DPolygon aRectangle(
 100             basegfx::utils::createPolygonFromRect(
 101                 basegfx::B2DRange(0.0, 0.0, rSize.Width(), rSize.Height())));
 102
 103         const basegfx::BGradient& rGradient = GetGradient(nIndex)->GetGradient();
 104         basegfx::BColorStops aColorStops(rGradient.GetColorStops());
 105
 106         if (rGradient.GetStartIntens() != 100 || rGradient.GetEndIntens() != 100)
 107         {
 108             // Need to do the (old, crazy) blend against black
 109             aColorStops.blendToIntensity(
 110                     rGradient.GetStartIntens() * 0.01,
 111                 rGradient.GetEndIntens() * 0.01,
 112                 basegfx::BColor()); // COL_BLACK
 113         }
 114
 115         drawinglayer::attribute::FillGradientAttribute aFillGradient(
 116             rGradient.GetGradientStyle(),
 117             static_cast<double>(rGradient.GetBorder()) * 0.01,
 118             static_cast<double>(rGradient.GetXOffset()) * 0.01,
 119             static_cast<double>(rGradient.GetYOffset()) * 0.01,
 120             toRadians(rGradient.GetAngle()),
 121             aColorStops);
 122
 123         const drawinglayer::primitive2d::Primitive2DReference aGradientPrimitive(
 124             new drawinglayer::primitive2d::PolyPolygonGradientPrimitive2D(
 125                 basegfx::B2DPolyPolygon(aRectangle),
 126                 std::move(aFillGradient)));
 127
 128         const basegfx::BColor aBlack(0.0, 0.0, 0.0);
 129         const drawinglayer::primitive2d::Primitive2DReference aBlackRectanglePrimitive(
 130             new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(
 131                 std::move(aRectangle),
 132                 aBlack));
 133
 134         // prepare VirtualDevice
 135         ScopedVclPtrInstance< VirtualDevice > pVirtualDevice;
 136         const drawinglayer::geometry::ViewInformation2D aNewViewInformation2D;
 137
 138         pVirtualDevice->SetOutputSizePixel(rSize);
 139         pVirtualDevice->SetDrawMode(rStyleSettings.GetHighContrastMode()
 140             ? DrawModeFlags::SettingsLine | DrawModeFlags::SettingsFill | DrawModeFlags::SettingsText | DrawModeFlags::SettingsGradient
 141             : DrawModeFlags::Default);
 142
 143         // create processor and draw primitives
 144         std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor2D(drawinglayer::processor2d::createPixelProcessor2DFromOutputDevice(
 145             *pVirtualDevice,
 146             aNewViewInformation2D));
 147
 148         drawinglayer::primitive2d::Primitive2DContainer aSequence(2);
 149
 150         aSequence[0] = aGradientPrimitive;
 151         aSequence[1] = aBlackRectanglePrimitive;
 152
 153         pProcessor2D->process(aSequence);
 154         pProcessor2D.reset();
 155
 156         // get result bitmap and scale
 157         aRetval = pVirtualDevice->GetBitmapEx(Point(0, 0), pVirtualDevice->GetOutputSizePixel());
 158     }
 159
 160     return aRetval;
 161 }
 162
 163 BitmapEx XGradientList::CreateBitmapForUI(tools::Long nIndex)
 164 {
 165     const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
 166     const Size& rSize = rStyleSettings.GetListBoxPreviewDefaultPixelSize();
 167     return CreateBitmap(nIndex, rSize);
 168 }
 169
 170 BitmapEx XGradientList::GetBitmapForPreview(tools::Long nIndex, const Size& rSize)
 171 {
 172     return CreateBitmap(nIndex, rSize);
 173 }
 174
 175 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */