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0a8631ad44
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4574 a592a061-630c-0410-9148-cb99ea01b6c8
112 lines
2.3 KiB
C
112 lines
2.3 KiB
C
/**
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* \file Painter.C
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* Copyright 1998-2002 the LyX Team
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* Read the file COPYING
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*
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* \author unknown
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* \author John Levon <moz@compsoc.man.ac.uk>
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "Painter.h"
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#include "lyxfont.h"
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#include "WorkArea.h"
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#include "frontends/font_metrics.h"
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using std::max;
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Painter & Painter::button(int x, int y, int w, int h)
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{
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fillRectangle(x, y, w, h, LColor::buttonbg);
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buttonFrame(x, y, w, h);
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return * this;
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}
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Painter & Painter::buttonFrame(int x, int y, int w, int h)
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{
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// Width of a side of the button
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int const d = 2;
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fillRectangle(x, y, w, d, LColor::top);
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fillRectangle(x, (y + h - d), w, d, LColor::bottom);
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// Now a couple of trapezoids
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int x1[4], y1[4];
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x1[0] = x + d; y1[0] = y + d;
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x1[1] = x + d; y1[1] = (y + h - d);
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x1[2] = x; y1[2] = y + h;
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x1[3] = x; y1[3] = y;
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fillPolygon(x1, y1, 4, LColor::left);
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x1[0] = (x + w - d); y1[0] = y + d;
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x1[1] = (x + w - d); y1[1] = (y + h - d);
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x1[2] = x + w; y1[2] = (y + h - d);
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x1[3] = x + w; y1[3] = y;
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fillPolygon(x1, y1, 4, LColor::right);
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return *this;
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}
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Painter & Painter::rectText(int x, int baseline,
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string const & str,
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LyXFont const & font,
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LColor::color back,
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LColor::color frame)
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{
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int width;
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int ascent;
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int descent;
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font_metrics::rectText(str, font, width, ascent, descent);
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if (frame != LColor::none) {
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rectangle(x, baseline - ascent, width, ascent + descent, frame);
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}
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if (back != LColor::none) {
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fillRectangle(x + 1, baseline - ascent + 1, width - 1,
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ascent + descent - 1, back);
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}
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text(x + 3, baseline, str, font);
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return *this;
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}
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Painter & Painter::buttonText(int x, int baseline,
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string const & str,
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LyXFont const & font)
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{
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int width;
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int ascent;
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int descent;
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font_metrics::buttonText(str, font, width, ascent, descent);
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button(x, baseline - ascent, width, descent + ascent);
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text(x + 4, baseline, str, font);
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return *this;
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}
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void Painter::underline(LyXFont const & f, int x, int y, int width)
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{
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int const below = max(font_metrics::maxDescent(f) / 2, 2);
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int const height = max((font_metrics::maxDescent(f) / 4) - 1, 1);
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if (height < 2) {
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line(x, y + below, x + width, y + below, f.color());
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} else {
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fillRectangle(x, y + below, width, below + height,
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f.color());
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}
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}
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