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/*
* metrics.cpp
*
* methods to find/compute essential UI metrics
* (font properties, icon sizes, etc)
*
*/
#include "metrics.h"
static IconMetrics dfltIconMetrics;
IconMetrics::IconMetrics() :
sz_small(-1),
sz_med(-1),
sz_big(-1),
sz_pic(-1),
spacing(-1)
{
}
QFont defaultModelFont()
{
QFont font;
// font.setPointSizeF(font.pointSizeF() * 0.8);
return font;
}
QFontMetrics defaultModelFontMetrics()
{
return QFontMetrics(defaultModelFont());
}
// return the default icon size, computed as the multiple of 16 closest to
// the given height
static int defaultIconSize(int height)
{
int ret = (height + 8)/16;
ret *= 16;
if (ret < 16)
ret = 16;
return ret;
}
const IconMetrics & defaultIconMetrics()
{
if (dfltIconMetrics.sz_small == -1) {
int small = defaultIconSize(defaultModelFontMetrics().height());
dfltIconMetrics.sz_small = small;
dfltIconMetrics.sz_med = small + small/2;
dfltIconMetrics.sz_big = 2*small;
dfltIconMetrics.sz_pic = 8*small;
dfltIconMetrics.spacing = small/8;
}
return dfltIconMetrics;
}
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