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 <memory>
  39
  40 using namespace com::sun::star;
  41
  42 XGradientList::XGradientList( const OUString& rPath, const OUString& rReferer )
  43 :   XPropertyList( XPropertyListType::Gradient, rPath, rReferer )
  44 {
  45 }
  46
  47 XGradientList::~XGradientList()
  48 {
  49 }
  50
  51 void XGradientList::Replace(std::unique_ptr<XGradientEntry> pEntry, tools::Long nIndex)
  52 {
  53     XPropertyList::Replace(std::move(pEntry), nIndex);
  54 }
  55
  56 XGradientEntry* XGradientList::GetGradient(tools::Long nIndex) const
  57 {
  58     return static_cast<XGradientEntry*>( XPropertyList::Get( nIndex ) );
  59 }
  60
  61 uno::Reference< container::XNameContainer > XGradientList::createInstance()
  62 {
  63     return SvxUnoXGradientTable_createInstance( *this );
  64 }
  65
  66 bool XGradientList::Create()
  67 {
  68     OUStringBuffer aStr(SvxResId(RID_SVXSTR_GRADIENT) + " 1");
  69     sal_Int32 nLen = aStr.getLength() - 1;
  70
  71     // XGradient() default already creates [COL_BLACK, COL_WHITE] as defaults
  72     Insert(std::make_unique<XGradientEntry>(basegfx::BGradient(),aStr.toString()));
  73
  74     aStr[nLen] = '2';
  75     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()));
  76     aStr[nLen] = '3';
  77     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()));
  78     aStr[nLen] = '4';
  79     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()));
  80     aStr[nLen] = '5';
  81     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()));
  82     aStr[nLen] = '6';
  83     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()));
  84
  85     return true;
  86 }
  87
  88 BitmapEx XGradientList::CreateBitmap( tools::Long nIndex, const Size& rSize ) const
  89 {
  90     BitmapEx aRetval;
  91
  92     OSL_ENSURE(nIndex < Count(), "OOps, access out of range (!)");
  93
  94     if(nIndex < Count())
  95     {
  96         const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
  97         // prepare polygon geometry for rectangle
  98         basegfx::B2DPolygon aRectangle(
  99             basegfx::utils::createPolygonFromRect(
 100                 basegfx::B2DRange(0.0, 0.0, rSize.Width(), rSize.Height())));
 101
 102         const basegfx::BGradient& rGradient = GetGradient(nIndex)->GetGradient();
 103         basegfx::BColorStops aColorStops(rGradient.GetColorStops());
 104
 105         if (rGradient.GetStartIntens() != 100 || rGradient.GetEndIntens() != 100)
 106         {
 107             // Need to do the (old, crazy) blend against black
 108             aColorStops.blendToIntensity(
 109                     rGradient.GetStartIntens() * 0.01,
 110                 rGradient.GetEndIntens() * 0.01,
 111                 basegfx::BColor()); // COL_BLACK
 112         }
 113
 114         drawinglayer::attribute::FillGradientAttribute aFillGradient(
 115             rGradient.GetGradientStyle(),
 116             static_cast<double>(rGradient.GetBorder()) * 0.01,
 117             static_cast<double>(rGradient.GetXOffset()) * 0.01,
 118             static_cast<double>(rGradient.GetYOffset()) * 0.01,
 119             toRadians(rGradient.GetAngle()),
 120             aColorStops);
 121
 122         const drawinglayer::primitive2d::Primitive2DReference aGradientPrimitive(
 123             new drawinglayer::primitive2d::PolyPolygonGradientPrimitive2D(
 124                 basegfx::B2DPolyPolygon(aRectangle),
 125                 std::move(aFillGradient)));
 126
 127         const basegfx::BColor aBlack(0.0, 0.0, 0.0);
 128         const drawinglayer::primitive2d::Primitive2DReference aBlackRectanglePrimitive(
 129             new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(
 130                 std::move(aRectangle),
 131                 aBlack));
 132
 133         // prepare VirtualDevice
 134         ScopedVclPtrInstance< VirtualDevice > pVirtualDevice;
 135         const drawinglayer::geometry::ViewInformation2D aNewViewInformation2D;
 136
 137         pVirtualDevice->SetOutputSizePixel(rSize);
 138         pVirtualDevice->SetDrawMode(rStyleSettings.GetHighContrastMode()
 139             ? DrawModeFlags::SettingsLine | DrawModeFlags::SettingsFill | DrawModeFlags::SettingsText | DrawModeFlags::SettingsGradient
 140             : DrawModeFlags::Default);
 141
 142         // create processor and draw primitives
 143         std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor2D(drawinglayer::processor2d::createPixelProcessor2DFromOutputDevice(
 144             *pVirtualDevice,
 145             aNewViewInformation2D));
 146
 147         drawinglayer::primitive2d::Primitive2DContainer aSequence {
 148             aGradientPrimitive,
 149             aBlackRectanglePrimitive };
 150
 151         pProcessor2D->process(aSequence);
 152         pProcessor2D.reset();
 153
 154         // get result bitmap and scale
 155         aRetval = pVirtualDevice->GetBitmapEx(Point(0, 0), pVirtualDevice->GetOutputSizePixel());
 156     }
 157
 158     return aRetval;
 159 }
 160
 161 BitmapEx XGradientList::CreateBitmapForUI(tools::Long nIndex)
 162 {
 163     const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
 164     const Size& rSize = rStyleSettings.GetListBoxPreviewDefaultPixelSize();
 165     return CreateBitmap(nIndex, rSize);
 166 }
 167
 168 BitmapEx XGradientList::GetBitmapForPreview(tools::Long nIndex, const Size& rSize)
 169 {
 170     return CreateBitmap(nIndex, rSize);
 171 }
 172
 173 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */