2 * \file GraphicsImage.C
3 * Copyright 2002 the LyX Team
4 * Read the file COPYING
6 * \author Baruch Even <baruch.even@writeme.com>
7 * \author Angus Leeming <a.leeming@ic.ac.uk>
13 #pragma implementation
16 #include "GraphicsImage.h"
17 #include "GraphicsParams.h"
22 // This will be connected to a function that will return whichever
23 // whichever derived class we desire.
24 SigC::Signal0<ImagePtr> GImage::newImage;
26 /// Return the list of loadable formats.
27 SigC::Signal0<GImage::FormatList> GImage::loadableFormats;
29 std::pair<unsigned int, unsigned int>
30 GImage::getScaledDimensions(GParams const & params) const
32 if (params.scale == 0 && params.width == 0 && params.height == 0)
34 return std::make_pair(getWidth(), getHeight());
36 typedef unsigned int dimension;
39 if (params.scale != 0) {
40 width = dimension(getWidth() * params.scale / 100.0);
41 height = dimension(getHeight() * params.scale / 100.0);
44 height = params.height;
47 width = height * getWidth() / getHeight();
48 } else if (height == 0) {
49 height = width * getHeight() / getWidth();
53 if (width == 0 || height == 0)
54 // Something is wrong!
55 return std::make_pair(getWidth(), getHeight());
57 return std::make_pair(width, height);