lyx_mirror/src/frontends/xforms/XPainter.C

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/**
* \file XPainter.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bj<EFBFBD>nnes
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "XPainter.h"
#include "ColorHandler.h"
#include "xfont_metrics.h"
#include "xformsImage.h"
#include "XWorkArea.h"
#include "encoding.h"
#include "language.h"
#include "lyxfont.h"
#include "support/lstrings.h"
using namespace lyx::support;
using std::endl;
using std::max;
XPainter::XPainter(XWorkArea & xwa)
: Painter(), owner_(xwa)
{
}
int XPainter::paperWidth() const
{
return owner_.workWidth();
}
int XPainter::paperHeight() const
{
return owner_.workHeight();
}
Painter & XPainter::point(int x, int y, LColor::color c)
{
XDrawPoint(fl_get_display(), owner_.getPixmap(),
lyxColorHandler->getGCForeground(c), x, y);
return *this;
}
Painter & XPainter::line(int x1, int y1,
int x2, int y2,
LColor::color col,
line_style ls,
line_width lw)
{
XDrawLine(fl_get_display(), owner_.getPixmap(),
lyxColorHandler->getGCLinepars(ls, lw, col),
x1, y1, x2, y2);
return *this;
}
Painter & XPainter::lines(int const * xp, int const * yp,
int np,
LColor::color col,
line_style ls,
line_width lw)
{
boost::scoped_array<XPoint> points(new XPoint[np]);
for (int i = 0; i < np; ++i) {
points[i].x = xp[i];
points[i].y = yp[i];
}
XDrawLines(fl_get_display(), owner_.getPixmap(),
lyxColorHandler->getGCLinepars(ls, lw, col),
points.get(), np, CoordModeOrigin);
return *this;
}
Painter & XPainter::rectangle(int x, int y,
int w, int h,
LColor::color col,
line_style ls,
line_width lw)
{
XDrawRectangle(fl_get_display(), owner_.getPixmap(),
lyxColorHandler->getGCLinepars(ls, lw, col),
x, y, w, h);
return *this;
}
Painter & XPainter::fillRectangle(int x, int y,
int w, int h,
LColor::color col)
{
XFillRectangle(fl_get_display(), owner_.getPixmap(),
lyxColorHandler->getGCForeground(col), x, y, w, h);
return *this;
}
Painter & XPainter::fillPolygon(int const * xp, int const * yp,
int np, LColor::color col)
{
boost::scoped_array<XPoint> points(new XPoint[np]);
for (int i = 0; i < np; ++i) {
points[i].x = xp[i];
points[i].y = yp[i];
}
XFillPolygon(fl_get_display(), owner_.getPixmap(),
lyxColorHandler->getGCForeground(col), points.get(),
np, Nonconvex, CoordModeOrigin);
return *this;
}
Painter & XPainter::arc(int x, int y,
unsigned int w, unsigned int h,
int a1, int a2, LColor::color col)
{
XDrawArc(fl_get_display(), owner_.getPixmap(),
lyxColorHandler->getGCForeground(col),
x, y, w, h, a1, a2);
return *this;
}
Painter & XPainter::image(int x, int y,
int w, int h,
lyx::graphics::Image const & i)
{
lyx::graphics::xformsImage const & image =
static_cast<lyx::graphics::xformsImage const &>(i);
XGCValues val;
val.function = GXcopy;
GC gc = XCreateGC(fl_get_display(), owner_.getPixmap(),
GCFunction, &val);
XCopyArea(fl_get_display(), image.getPixmap(), owner_.getPixmap(),
gc, 0, 0, w, h, x, y);
XFreeGC(fl_get_display(), gc);
return *this;
}
Painter & XPainter::text(int x, int y,
string const & s, LyXFont const & f)
{
return text(x, y, s.data(), s.length(), f);
}
Painter & XPainter::text(int x, int y,
char c, LyXFont const & f)
{
char s[2] = { c, '\0' };
return text(x, y, s, 1, f);
}
Painter & XPainter::text(int x, int y,
char const * s, size_t ls,
LyXFont const & f)
{
if (lyxrc.font_norm_type == LyXRC::ISO_10646_1) {
boost::scoped_array<XChar2b> xs(new XChar2b[ls]);
Encoding const * encoding = f.language()->encoding();
LyXFont font(f);
if (f.isSymbolFont()) {
#ifdef USE_UNICODE_FOR_SYMBOLS
font.setFamily(LyXFont::ROMAN_FAMILY);
font.setShape(LyXFont::UP_SHAPE);
#endif
encoding = encodings.symbol_encoding();
}
for (size_t i = 0; i < ls; ++i) {
Uchar c = encoding->ucs(s[i]);
xs[i].byte1 = c >> 8;
xs[i].byte2 = c & 0xff;
}
text(x, y, xs.get(), ls, font);
return *this;
}
GC gc = lyxColorHandler->getGCForeground(f.realColor());
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
xfont_metrics::XSetFont(fl_get_display(), gc, f);
XDrawString(fl_get_display(), owner_.getPixmap(), gc, x, y, s, ls);
} else {
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
int tmpx = x;
for (size_t i = 0; i < ls; ++i) {
char const c = uppercase(s[i]);
if (c != s[i]) {
xfont_metrics::XSetFont(fl_get_display(), gc, smallfont);
XDrawString(fl_get_display(), owner_.getPixmap(), gc,
tmpx, y, &c, 1);
tmpx += xfont_metrics::XTextWidth(smallfont, &c, 1);
} else {
xfont_metrics::XSetFont(fl_get_display(), gc, f);
XDrawString(fl_get_display(), owner_.getPixmap(), gc,
tmpx, y, &c, 1);
tmpx += xfont_metrics::XTextWidth(f, &c, 1);
}
}
}
if (f.underbar() == LyXFont::ON) {
underline(f, x, y, font_metrics::width(s, ls, f));
}
return *this;
}
Painter & XPainter::text(int x, int y,
XChar2b const * s, size_t ls,
LyXFont const & f)
{
GC gc = lyxColorHandler->getGCForeground(f.realColor());
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
xfont_metrics::XSetFont(fl_get_display(), gc, f);
XDrawString16(fl_get_display(), owner_.getPixmap(), gc, x, y, s, ls);
} else {
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
static XChar2b c;
int tmpx = x;
for (size_t i = 0; i < ls; ++i) {
if (s[i].byte1)
c = s[i];
else {
c.byte1 = s[i].byte1;
c.byte2 = uppercase(s[i].byte2);
}
if (c.byte2 != s[i].byte2) {
xfont_metrics::XSetFont(fl_get_display(), gc, smallfont);
XDrawString16(fl_get_display(), owner_.getPixmap(), gc,
tmpx, y, &c, 1);
tmpx += xfont_metrics::XTextWidth16(smallfont, &c, 1);
} else {
xfont_metrics::XSetFont(fl_get_display(), gc, f);
XDrawString16(fl_get_display(), owner_.getPixmap(), gc,
tmpx, y, &c, 1);
tmpx += xfont_metrics::XTextWidth16(f, &c, 1);
}
}
}
if (f.underbar() == LyXFont::ON) {
underline(f, x, y, xfont_metrics::width(s, ls, f));
}
return *this;
}