File indexing completed on 2024-05-19 11:38:33

0001 /*
0002     Progressive image displaying library.
0003 
0004     Copyright (C) 2004,2005 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_PAINTER_H
0026 #define IMAGE_PAINTER_H
0027 
0028 class QPainter;
0029 
0030 #include <QSize>
0031 
0032 namespace khtmlImLoad
0033 {
0034 
0035 class Image;
0036 
0037 /**
0038  An image painter let's one paint an image at the given size.
0039 */
0040 class ImagePainter
0041 {
0042 public:
0043     /**
0044      Creates an image painter for the given image...
0045     */
0046     ImagePainter(Image *image);
0047 
0048     /**
0049      Creates an image painter for the given image,
0050      of given size
0051     */
0052     ImagePainter(Image *image, QSize size);
0053 
0054     ImagePainter(const ImagePainter &src);
0055     ImagePainter &operator=(const ImagePainter &src);
0056 
0057     /**
0058      Sets the size of the image.
0059     */
0060     void setSize(QSize size);
0061 
0062     /**
0063      Sets the image to the default size
0064     */
0065     void setDefaultSize();
0066 
0067     /**
0068      Cleans up
0069     */
0070     ~ImagePainter();
0071 
0072     /**
0073      Paints a portion of the image frame on the painter 'p' at dx and dy.
0074      The source rectangle starts at sx, sy and has dimension width * height
0075     */
0076     void paint(int dx, int dy, QPainter *p, int sx = 0, int sy = 0,
0077                int width = -1, int height = -1);
0078 private:
0079     // Note: we actually request/ref scaled version from Image
0080     // lazily. This is because we may be constructed before there
0081     // is anything to scale, so we check when painting..
0082     Image *image;
0083     QSize  size;
0084     bool   sizeRefd;
0085 };
0086 
0087 }
0088 
0089 #endif