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| * |
| * 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 |
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| * http://www.apache.org/licenses/LICENSE-2.0 |
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| * software distributed under the License is distributed on an |
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| * KIND, either express or implied. See the License for the |
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| |
| #ifndef SD_SLIDESORTER_VIEW_FRAME_PAINTER_HXX |
| #define SD_SLIDESORTER_VIEW_FRAME_PAINTER_HXX |
| |
| #include <vcl/bitmapex.hxx> |
| |
| |
| namespace sd { namespace slidesorter { namespace view { |
| |
| class FramePainter |
| { |
| public: |
| FramePainter (const BitmapEx& rBitmap); |
| ~FramePainter (void); |
| |
| /** Paint a border around the given box by using a set of bitmaps for |
| the corners and sides. |
| */ |
| void PaintFrame (OutputDevice&rDevice, const Rectangle aBox) const; |
| |
| /** Special functionality that takes the color from the center |
| bitmap and replaces that color in all bitmaps by the given new |
| color. Alpha values are not modified. |
| @param bClearCenterBitmap |
| When <TRUE/> then the center bitmap is erased. |
| */ |
| void AdaptColor (const Color aNewColor, const bool bClearCenterBitmap); |
| |
| private: |
| /** Bitmap with offset that is used when the bitmap is painted. The bitmap |
| */ |
| class OffsetBitmap { |
| public: |
| BitmapEx maBitmap; |
| Point maOffset; |
| |
| /** Create one of the eight shadow bitmaps from one that combines |
| them all. This larger bitmap is expected to have dimension NxN |
| with N=1+2*M. Of this larger bitmap there are created four |
| corner bitmaps of size 2*M x 2*M and four side bitmaps of sizes |
| 1xM (top and bottom) and Mx1 (left and right). The corner |
| bitmaps have each one quadrant of size MxM that is painted under |
| the interior of the frame. |
| @param rBitmap |
| The larger bitmap of which the eight shadow bitmaps are cut |
| out from. |
| @param nHorizontalPosition |
| Valid values are -1 (left), 0 (center), and +1 (right). |
| @param nVerticalPosition |
| Valid values are -1 (top), 0 (center), and +1 (bottom). |
| */ |
| OffsetBitmap ( |
| const BitmapEx& rBitmap, |
| const sal_Int32 nHorizontalPosition, |
| const sal_Int32 nVerticalPosition); |
| |
| /** Use the given device to paint the bitmap at the location that is |
| the sum of the given anchor and the internal offset. |
| */ |
| void PaintCorner (OutputDevice& rDevice, const Point& rAnchor) const; |
| |
| /** Use the given device to paint the bitmap stretched between the |
| two given locations. Offsets of the adjacent corner bitmaps and |
| the offset of the side bitmap are used to determine the area |
| that is to be filled with the side bitmap. |
| */ |
| void PaintSide ( |
| OutputDevice& rDevice, |
| const Point& rAnchor1, |
| const Point& rAnchor2, |
| const OffsetBitmap& rCornerBitmap1, |
| const OffsetBitmap& rCornerBitmap2) const; |
| |
| /** Fill the given rectangle with the bitmap. |
| */ |
| void PaintCenter ( |
| OutputDevice& rDevice, |
| const Rectangle& rBox) const; |
| }; |
| OffsetBitmap maTopLeft; |
| OffsetBitmap maTop; |
| OffsetBitmap maTopRight; |
| OffsetBitmap maLeft; |
| OffsetBitmap maRight; |
| OffsetBitmap maBottomLeft; |
| OffsetBitmap maBottom; |
| OffsetBitmap maBottomRight; |
| OffsetBitmap maCenter; |
| bool mbIsValid; |
| }; |
| |
| |
| } } } // end of namespace sd::slidesorter::view |
| |
| #endif |