lyx_mirror/src/frontends/Painter.C
John Levon 0a8631ad44 A couple of minor bug fixes and cleanups
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4574 a592a061-630c-0410-9148-cb99ea01b6c8
2002-07-09 16:23:20 +00:00

112 lines
2.3 KiB
C

/**
* \file Painter.C
* Copyright 1998-2002 the LyX Team
* Read the file COPYING
*
* \author unknown
* \author John Levon <moz@compsoc.man.ac.uk>
*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "Painter.h"
#include "lyxfont.h"
#include "WorkArea.h"
#include "frontends/font_metrics.h"
using std::max;
Painter & Painter::button(int x, int y, int w, int h)
{
fillRectangle(x, y, w, h, LColor::buttonbg);
buttonFrame(x, y, w, h);
return * this;
}
Painter & Painter::buttonFrame(int x, int y, int w, int h)
{
// Width of a side of the button
int const d = 2;
fillRectangle(x, y, w, d, LColor::top);
fillRectangle(x, (y + h - d), w, d, LColor::bottom);
// Now a couple of trapezoids
int x1[4], y1[4];
x1[0] = x + d; y1[0] = y + d;
x1[1] = x + d; y1[1] = (y + h - d);
x1[2] = x; y1[2] = y + h;
x1[3] = x; y1[3] = y;
fillPolygon(x1, y1, 4, LColor::left);
x1[0] = (x + w - d); y1[0] = y + d;
x1[1] = (x + w - d); y1[1] = (y + h - d);
x1[2] = x + w; y1[2] = (y + h - d);
x1[3] = x + w; y1[3] = y;
fillPolygon(x1, y1, 4, LColor::right);
return *this;
}
Painter & Painter::rectText(int x, int baseline,
string const & str,
LyXFont const & font,
LColor::color back,
LColor::color frame)
{
int width;
int ascent;
int descent;
font_metrics::rectText(str, font, width, ascent, descent);
if (frame != LColor::none) {
rectangle(x, baseline - ascent, width, ascent + descent, frame);
}
if (back != LColor::none) {
fillRectangle(x + 1, baseline - ascent + 1, width - 1,
ascent + descent - 1, back);
}
text(x + 3, baseline, str, font);
return *this;
}
Painter & Painter::buttonText(int x, int baseline,
string const & str,
LyXFont const & font)
{
int width;
int ascent;
int descent;
font_metrics::buttonText(str, font, width, ascent, descent);
button(x, baseline - ascent, width, descent + ascent);
text(x + 4, baseline, str, font);
return *this;
}
void Painter::underline(LyXFont const & f, int x, int y, int width)
{
int const below = max(font_metrics::maxDescent(f) / 2, 2);
int const height = max((font_metrics::maxDescent(f) / 4) - 1, 1);
if (height < 2) {
line(x, y + below, x + width, y + below, f.color());
} else {
fillRectangle(x, y + below, width, below + height,
f.color());
}
}