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 #ifndef SD_SLIDESORTER_VIEW_FRAME_PAINTER_HXX 25 #define SD_SLIDESORTER_VIEW_FRAME_PAINTER_HXX 26 27 #include <vcl/bitmapex.hxx> 28 29 30 namespace sd { namespace slidesorter { namespace view { 31 32 class FramePainter 33 { 34 public: 35 FramePainter (const BitmapEx& rBitmap); 36 ~FramePainter (void); 37 38 /** Paint a border around the given box by using a set of bitmaps for 39 the corners and sides. 40 */ 41 void PaintFrame (OutputDevice&rDevice, const Rectangle aBox) const; 42 43 /** Special functionality that takes the color from the center 44 bitmap and replaces that color in all bitmaps by the given new 45 color. Alpha values are not modified. 46 @param bClearCenterBitmap 47 When <TRUE/> then the center bitmap is erased. 48 */ 49 void AdaptColor (const Color aNewColor, const bool bClearCenterBitmap); 50 51 private: 52 /** Bitmap with offset that is used when the bitmap is painted. The bitmap 53 */ 54 class OffsetBitmap { 55 public: 56 BitmapEx maBitmap; 57 Point maOffset; 58 59 /** Create one of the eight shadow bitmaps from one that combines 60 them all. This larger bitmap is expected to have dimension NxN 61 with N=1+2*M. Of this larger bitmap there are created four 62 corner bitmaps of size 2*M x 2*M and four side bitmaps of sizes 63 1xM (top and bottom) and Mx1 (left and right). The corner 64 bitmaps have each one quadrant of size MxM that is painted under 65 the interior of the frame. 66 @param rBitmap 67 The larger bitmap of which the eight shadow bitmaps are cut 68 out from. 69 @param nHorizontalPosition 70 Valid values are -1 (left), 0 (center), and +1 (right). 71 @param nVerticalPosition 72 Valid values are -1 (top), 0 (center), and +1 (bottom). 73 */ 74 OffsetBitmap ( 75 const BitmapEx& rBitmap, 76 const sal_Int32 nHorizontalPosition, 77 const sal_Int32 nVerticalPosition); 78 79 /** Use the given device to paint the bitmap at the location that is 80 the sum of the given anchor and the internal offset. 81 */ 82 void PaintCorner (OutputDevice& rDevice, const Point& rAnchor) const; 83 84 /** Use the given device to paint the bitmap stretched between the 85 two given locations. Offsets of the adjacent corner bitmaps and 86 the offset of the side bitmap are used to determine the area 87 that is to be filled with the side bitmap. 88 */ 89 void PaintSide ( 90 OutputDevice& rDevice, 91 const Point& rAnchor1, 92 const Point& rAnchor2, 93 const OffsetBitmap& rCornerBitmap1, 94 const OffsetBitmap& rCornerBitmap2) const; 95 96 /** Fill the given rectangle with the bitmap. 97 */ 98 void PaintCenter ( 99 OutputDevice& rDevice, 100 const Rectangle& rBox) const; 101 }; 102 OffsetBitmap maTopLeft; 103 OffsetBitmap maTop; 104 OffsetBitmap maTopRight; 105 OffsetBitmap maLeft; 106 OffsetBitmap maRight; 107 OffsetBitmap maBottomLeft; 108 OffsetBitmap maBottom; 109 OffsetBitmap maBottomRight; 110 OffsetBitmap maCenter; 111 bool mbIsValid; 112 }; 113 114 115 } } } // end of namespace sd::slidesorter::view 116 117 #endif 118