1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_drawinglayer.hxx" 26 27 #include <drawinglayer/primitive2d/wallpaperprimitive2d.hxx> 28 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx> 29 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> 30 #include <drawinglayer/primitive2d/fillgraphicprimitive2d.hxx> 31 #include <basegfx/polygon/b2dpolygontools.hxx> 32 #include <basegfx/polygon/b2dpolygon.hxx> 33 #include <drawinglayer/primitive2d/maskprimitive2d.hxx> 34 #include <basegfx/matrix/b2dhommatrixtools.hxx> 35 #include <vcl/graph.hxx> 36 37 ////////////////////////////////////////////////////////////////////////////// 38 39 namespace drawinglayer 40 { 41 namespace primitive2d 42 { create2DDecomposition(const geometry::ViewInformation2D &) const43 Primitive2DSequence WallpaperBitmapPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const 44 { 45 Primitive2DSequence aRetval; 46 47 if(!getLocalObjectRange().isEmpty() && !getBitmapEx().IsEmpty()) 48 { 49 // get bitmap PIXEL size 50 const Size& rPixelSize = getBitmapEx().GetSizePixel(); 51 52 if(rPixelSize.Width() > 0 && rPixelSize.Height() > 0) 53 { 54 if(WALLPAPER_SCALE == getWallpaperStyle()) 55 { 56 // shortcut for scale; use simple BitmapPrimitive2D 57 basegfx::B2DHomMatrix aObjectTransform; 58 59 aObjectTransform.set(0, 0, getLocalObjectRange().getWidth()); 60 aObjectTransform.set(1, 1, getLocalObjectRange().getHeight()); 61 aObjectTransform.set(0, 2, getLocalObjectRange().getMinX()); 62 aObjectTransform.set(1, 2, getLocalObjectRange().getMinY()); 63 64 Primitive2DReference xReference( 65 new BitmapPrimitive2D( 66 getBitmapEx(), 67 aObjectTransform)); 68 69 aRetval = Primitive2DSequence(&xReference, 1); 70 } 71 else 72 { 73 // transform to logic size 74 basegfx::B2DHomMatrix aInverseViewTransformation(getViewTransformation()); 75 aInverseViewTransformation.invert(); 76 basegfx::B2DVector aLogicSize(rPixelSize.Width(), rPixelSize.Height()); 77 aLogicSize = aInverseViewTransformation * aLogicSize; 78 79 // apply laout 80 basegfx::B2DPoint aTargetTopLeft(getLocalObjectRange().getMinimum()); 81 bool bUseTargetTopLeft(true); 82 bool bNeedsClipping(false); 83 84 switch(getWallpaperStyle()) 85 { 86 default: //case WALLPAPER_TILE :, also WALLPAPER_NULL and WALLPAPER_APPLICATIONGRADIENT 87 { 88 bUseTargetTopLeft = false; 89 break; 90 } 91 case WALLPAPER_SCALE : 92 { 93 // handled by shortcut above 94 break; 95 } 96 case WALLPAPER_TOPLEFT : 97 { 98 // nothing to do 99 break; 100 } 101 case WALLPAPER_TOP : 102 { 103 const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); 104 aTargetTopLeft.setX(aCenter.getX() - (aLogicSize.getX() * 0.5)); 105 break; 106 } 107 case WALLPAPER_TOPRIGHT : 108 { 109 aTargetTopLeft.setX(getLocalObjectRange().getMaxX() - aLogicSize.getX()); 110 break; 111 } 112 case WALLPAPER_LEFT : 113 { 114 const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); 115 aTargetTopLeft.setY(aCenter.getY() - (aLogicSize.getY() * 0.5)); 116 break; 117 } 118 case WALLPAPER_CENTER : 119 { 120 const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); 121 aTargetTopLeft = aCenter - (aLogicSize * 0.5); 122 break; 123 } 124 case WALLPAPER_RIGHT : 125 { 126 const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); 127 aTargetTopLeft.setX(getLocalObjectRange().getMaxX() - aLogicSize.getX()); 128 aTargetTopLeft.setY(aCenter.getY() - (aLogicSize.getY() * 0.5)); 129 break; 130 } 131 case WALLPAPER_BOTTOMLEFT : 132 { 133 aTargetTopLeft.setY(getLocalObjectRange().getMaxY() - aLogicSize.getY()); 134 break; 135 } 136 case WALLPAPER_BOTTOM : 137 { 138 const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); 139 aTargetTopLeft.setX(aCenter.getX() - (aLogicSize.getX() * 0.5)); 140 aTargetTopLeft.setY(getLocalObjectRange().getMaxY() - aLogicSize.getY()); 141 break; 142 } 143 case WALLPAPER_BOTTOMRIGHT : 144 { 145 aTargetTopLeft = getLocalObjectRange().getMaximum() - aLogicSize; 146 break; 147 } 148 } 149 150 if(bUseTargetTopLeft) 151 { 152 // fill target range 153 const basegfx::B2DRange aTargetRange(aTargetTopLeft, aTargetTopLeft + aLogicSize); 154 155 // create aligned, single BitmapPrimitive2D 156 basegfx::B2DHomMatrix aObjectTransform; 157 158 aObjectTransform.set(0, 0, aTargetRange.getWidth()); 159 aObjectTransform.set(1, 1, aTargetRange.getHeight()); 160 aObjectTransform.set(0, 2, aTargetRange.getMinX()); 161 aObjectTransform.set(1, 2, aTargetRange.getMinY()); 162 163 Primitive2DReference xReference( 164 new BitmapPrimitive2D( 165 getBitmapEx(), 166 aObjectTransform)); 167 aRetval = Primitive2DSequence(&xReference, 1); 168 169 // clip when not completely inside object range 170 bNeedsClipping = !getLocalObjectRange().isInside(aTargetRange); 171 } 172 else 173 { 174 // WALLPAPER_TILE, WALLPAPER_NULL, WALLPAPER_APPLICATIONGRADIENT 175 // convert to relative positions 176 const basegfx::B2DVector aRelativeSize( 177 aLogicSize.getX() / (getLocalObjectRange().getWidth() ? getLocalObjectRange().getWidth() : 1.0), 178 aLogicSize.getY() / (getLocalObjectRange().getHeight() ? getLocalObjectRange().getHeight() : 1.0)); 179 basegfx::B2DPoint aRelativeTopLeft(0.0, 0.0); 180 181 if(WALLPAPER_TILE != getWallpaperStyle()) 182 { 183 aRelativeTopLeft.setX(0.5 - aRelativeSize.getX()); 184 aRelativeTopLeft.setY(0.5 - aRelativeSize.getY()); 185 } 186 187 // prepare FillGraphicAttribute 188 const attribute::FillGraphicAttribute aFillGraphicAttribute( 189 Graphic(getBitmapEx()), 190 basegfx::B2DRange(aRelativeTopLeft, aRelativeTopLeft+ aRelativeSize), 191 true); 192 193 // create ObjectTransform 194 const basegfx::B2DHomMatrix aObjectTransform( 195 basegfx::tools::createScaleTranslateB2DHomMatrix( 196 getLocalObjectRange().getRange(), 197 getLocalObjectRange().getMinimum())); 198 199 // create FillBitmapPrimitive 200 const drawinglayer::primitive2d::Primitive2DReference xFillBitmap( 201 new drawinglayer::primitive2d::FillGraphicPrimitive2D( 202 aObjectTransform, 203 aFillGraphicAttribute)); 204 aRetval = Primitive2DSequence(&xFillBitmap, 1); 205 206 // always embed tiled fill to clipping 207 bNeedsClipping = true; 208 } 209 210 if(bNeedsClipping) 211 { 212 // embed to clipping; this is necessary for tiled fills 213 const basegfx::B2DPolyPolygon aPolyPolygon( 214 basegfx::tools::createPolygonFromRect(getLocalObjectRange())); 215 const drawinglayer::primitive2d::Primitive2DReference xClippedFill( 216 new drawinglayer::primitive2d::MaskPrimitive2D( 217 aPolyPolygon, 218 aRetval)); 219 aRetval = Primitive2DSequence(&xClippedFill, 1); 220 } 221 } 222 } 223 } 224 225 return aRetval; 226 } 227 WallpaperBitmapPrimitive2D(const basegfx::B2DRange & rObjectRange,const BitmapEx & rBitmapEx,WallpaperStyle eWallpaperStyle)228 WallpaperBitmapPrimitive2D::WallpaperBitmapPrimitive2D( 229 const basegfx::B2DRange& rObjectRange, 230 const BitmapEx& rBitmapEx, 231 WallpaperStyle eWallpaperStyle) 232 : ViewTransformationDependentPrimitive2D(), 233 maObjectRange(rObjectRange), 234 maBitmapEx(rBitmapEx), 235 meWallpaperStyle(eWallpaperStyle) 236 { 237 } 238 operator ==(const BasePrimitive2D & rPrimitive) const239 bool WallpaperBitmapPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const 240 { 241 if(ViewTransformationDependentPrimitive2D::operator==(rPrimitive)) 242 { 243 const WallpaperBitmapPrimitive2D& rCompare = (WallpaperBitmapPrimitive2D&)rPrimitive; 244 245 return (getLocalObjectRange() == rCompare.getLocalObjectRange() 246 && getBitmapEx() == rCompare.getBitmapEx() 247 && getWallpaperStyle() == rCompare.getWallpaperStyle()); 248 } 249 250 return false; 251 } 252 getB2DRange(const geometry::ViewInformation2D &) const253 basegfx::B2DRange WallpaperBitmapPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const 254 { 255 return getLocalObjectRange(); 256 } 257 258 // provide unique ID 259 ImplPrimitrive2DIDBlock(WallpaperBitmapPrimitive2D, PRIMITIVE2D_ID_WALLPAPERBITMAPPRIMITIVE2D) 260 } // end of namespace primitive2d 261 } // end of namespace drawinglayer 262 263 ////////////////////////////////////////////////////////////////////////////// 264 // eof 265