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More signed/unsigned stuff.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3604 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Angus Leeming 2002-02-28 11:50:42 +00:00
parent 04196c1a6c
commit 01df791351
4 changed files with 18 additions and 27 deletions
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2
src/graphics/ChangeLog
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@ -1,5 +1,7 @@
2002-02-28 Angus Leeming <a.leeming@ic.ac.uk>
* GraphicsParams.[Ch]:
* GraphicsImage.C:
* GraphicsImageXPM.C: properly resolve more warnings about comparison
between signed and unsigned integer expressions.

9
src/graphics/GraphicsImage.C
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@ -33,11 +33,12 @@ GImage::getScaledDimensions(GParams const & params) const
// No scaling
return std::make_pair(getWidth(), getHeight());
unsigned int width = 0;
unsigned int height = 0;
typedef unsigned int dimension;
dimension width = 0;
dimension height = 0;
if (params.scale != 0) {
width = getWidth() * params.scale / 100.0;
height = getHeight() * params.scale / 100.0;
width = dimension(getWidth() * params.scale / 100.0);
height = dimension(getHeight() * params.scale / 100.0);
} else {
width = params.width;
height = params.height;

12
src/graphics/GraphicsParams.C
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@ -73,8 +73,8 @@ GParams::GParams(InsetGraphicsParams const & iparams)
// inPixels returns a value scaled by lyxrc.zoom.
// We want, therefore, to undo this.
double const scaling_factor = 100.0 / double(lyxrc.zoom);
width = int(scaling_factor * width);
height = int(scaling_factor * height);
width = uint(scaling_factor * width);
height = uint(scaling_factor * height);
}
}
@ -133,10 +133,10 @@ BoundingBox::BoundingBox(string const & bb)
// want the bounding box in Postscript pixels.
// Note further that there are 72 Postscript pixels per inch.
double const scaling_factor = 7200.0 / (lyxrc.dpi * lyxrc.zoom);
xl = int(scaling_factor * length_xl.inPixels(1, 1));
yb = int(scaling_factor * length_yb.inPixels(1, 1));
xr = int(scaling_factor * length_xr.inPixels(1, 1));
yt = int(scaling_factor * length_yt.inPixels(1, 1));
xl = uint(scaling_factor * length_xl.inPixels(1, 1));
yb = uint(scaling_factor * length_yb.inPixels(1, 1));
xr = uint(scaling_factor * length_xr.inPixels(1, 1));
yt = uint(scaling_factor * length_yt.inPixels(1, 1));
if (xr <= xl || yt <= yb) {
xl = 0;

22
src/graphics/GraphicsParams.h
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@ -37,60 +37,48 @@ struct BoundingBox {
/// 0 0 0 0 is empty!
bool empty() const;
///
int xl;
int yb;
int xr;
int yt;
unsigned int xl;
unsigned int yb;
unsigned int xr;
unsigned int yt;
};
///
bool operator==(BoundingBox const &, BoundingBox const &);
///
bool operator!=(BoundingBox const &, BoundingBox const &);
struct GParams
{
///
GParams(InsetGraphicsParams const &);
/// How is the image to be displayed on the LyX screen?
enum DisplayType {
///
COLOR,
///
GRAYSCALE,
///
MONOCHROME,
/// We aren't going to display it at all!
NONE
};
///
DisplayType display;
/// The image filename.
string filename;
///
BoundingBox bb;
/** The size of the view inside lyx in pixels or the scaling of the
* image.
*/
unsigned int width;
///
unsigned int height;
///
unsigned int scale;
/// Rotation angle.
int angle;
};
///
bool operator==(GParams const &, GParams const &);
///
bool operator!=(GParams const &, GParams const &);
} // namespace grfx