File indexing completed on 2024-05-19 15:12:18

0001 /*
0002     Large image displaying library.
0003 
0004     Copyright (C) 2004 Maks Orlovich (maksim@kde.org)
0005 
0006     Permission is hereby granted, free of charge, to any person obtaining a copy
0007     of this software and associated documentation files (the "Software"), to deal
0008     in the Software without restriction, including without limitation the rights
0009     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0010     copies of the Software, and to permit persons to whom the Software is
0011     furnished to do so, subject to the following conditions:
0012 
0013     The above copyright notice and this permission notice shall be included in
0014     all copies or substantial portions of the Software.
0015 
0016     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0017     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0018     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
0019     AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
0020     AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
0021     CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
0022 
0023 */
0024 
0025 #ifndef IMAGE_OWNER_H
0026 #define IMAGE_OWNER_H
0027 
0028 namespace khtmlImLoad
0029 {
0030 
0031 /**
0032  The users of Image's need to inherit off ImageOwner, in order to receive the information about
0033  their geometry, needs to repaint due to animation and progressive loading, etc.
0034  */
0035 class ImageOwner
0036 {
0037 public:
0038     virtual ~ImageOwner() {}
0039     /**
0040      Called to notify the owner when the intrinic size is available
0041     */
0042     virtual void imageHasGeometry(Image *img, int width, int height) = 0;
0043 
0044     /**
0045      Called to notify the owner that a portion has changed
0046      */
0047     virtual void imageChange(Image *img, QRect region) = 0;
0048 
0049     /**
0050      Called to notify the owner that the image is broken
0051     */
0052     virtual void imageError(Image *img) = 0;
0053 
0054     /**
0055      Called to notify the owner that the image is done
0056     */
0057     virtual void imageDone(Image *img) = 0;
0058 };
0059 
0060 }
0061 
0062 #endif