+/* This file is part of
+ * ======================================================
+ *
+ * LyX, The Document Processor
+ *
+ * Copyright 1998-2001 The LyX Team
+ *
+ *======================================================*/
+
+#include <config.h>
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+#include "frontends/Painter.h"
+#include "LString.h"
+#include "debug.h"
+#include "lyxfont.h"
+#include "WorkArea.h"
+#include "font.h"
+#include "ColorHandler.h"
+#include "lyxrc.h"
+#include "encoding.h"
+#include "language.h"
+
+#include "frontends/GUIRunTime.h"
+#include "graphics/GraphicsImage.h"
+
+#include "support/LAssert.h"
+#include "support/lstrings.h"
+
+#include <boost/scoped_array.hpp>
+
+#include <cmath>
+
+
+using std::endl;
+using std::max;
+
+namespace {
+
+inline
+Display * display()
+{
+ return GUIRunTime::x11Display();
+}
+
+}
+
+
+Painter::Painter(WorkArea & wa)
+ : PainterBase(wa)
+{}
+
+
+// Basic drawing routines
+
+PainterBase & Painter::point(int x, int y, LColor::color c)
+{
+ XDrawPoint(display(), owner.getPixmap(),
+ lyxColorHandler->getGCForeground(c), x, y);
+ return *this;
+}
+
+
+PainterBase & Painter::line(int x1, int y1, int x2, int y2,
+ LColor::color col,
+ enum line_style ls,
+ enum line_width lw)
+{
+ XDrawLine(display(), owner.getPixmap(),
+ lyxColorHandler->getGCLinepars(ls, lw, col),
+ x1, y1, x2, y2);
+ return *this;
+}
+
+
+PainterBase & Painter::lines(int const * xp, int const * yp, int np,
+ LColor::color col,
+ enum line_style ls,
+ enum 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(display(), owner.getPixmap(),
+ lyxColorHandler->getGCLinepars(ls, lw, col),
+ points.get(), np, CoordModeOrigin);
+
+ return *this;
+}
+
+
+PainterBase & Painter::rectangle(int x, int y, int w, int h,
+ LColor::color col,
+ enum line_style ls,
+ enum line_width lw)
+{
+ XDrawRectangle(display(), owner.getPixmap(),
+ lyxColorHandler->getGCLinepars(ls, lw, col),
+ x, y, w, h);
+ return *this;
+}
+
+
+PainterBase & Painter::fillRectangle(int x, int y, int w, int h,
+ LColor::color col)
+{
+ XFillRectangle(display(), owner.getPixmap(),
+ lyxColorHandler->getGCForeground(col), x, y, w, h);
+ return *this;
+}
+
+
+PainterBase & Painter::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(display(), owner.getPixmap(),
+ lyxColorHandler->getGCForeground(col), points.get(), np,
+ Nonconvex, CoordModeOrigin);
+
+ return *this;
+}
+
+
+PainterBase & Painter::arc(int x, int y,
+ unsigned int w, unsigned int h,
+ int a1, int a2, LColor::color col)
+{
+ XDrawArc(display(), owner.getPixmap(),
+ lyxColorHandler->getGCForeground(col),
+ x, y, w, h, a1, a2);
+ return *this;
+}
+
+
+/// Draw lines from x1,y1 to x2,y2. They are arrays
+PainterBase & Painter::segments(int const * x1, int const * y1,
+ int const * x2, int const * y2, int ns,
+ LColor::color col,
+ enum line_style ls, enum line_width lw)
+{
+ boost::scoped_array<XSegment> s(new XSegment[ns]);
+
+ for (int i = 0; i < ns; ++i) {
+ s[i].x1 = x1[i];
+ s[i].y1 = y1[i];
+ s[i].x2 = x2[i];
+ s[i].y2 = y2[i];
+ }
+ XDrawSegments(display(), owner.getPixmap(),
+ lyxColorHandler->getGCLinepars(ls, lw, col),
+ s.get(), ns);
+
+ return *this;
+}
+
+
+PainterBase & Painter::image(int x, int y, int w, int h,
+ grfx::GImage const & image)
+{
+ XGCValues val;
+ val.function = GXcopy;
+ GC gc = XCreateGC(display(), owner.getPixmap(),
+ GCFunction, &val);
+ XCopyArea(display(), image.getPixmap(), owner.getPixmap(), gc,
+ 0, 0, w, h, x, y);
+ XFreeGC(display(), gc);
+ return *this;
+}
+
+
+PainterBase & Painter::text(int x, int y, string const & s, LyXFont const & f)
+{
+ return text(x, y, s.data(), s.length(), f);
+}
+
+
+PainterBase & Painter::text(int x, int y, char c, LyXFont const & f)
+{
+ char s[2] = { c, '\0' };
+ return text(x, y, s, 1, f);
+}
+
+
+PainterBase & Painter::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) {
+ lyxfont::XSetFont(display(), gc, f);
+ XDrawString(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]) {
+ lyxfont::XSetFont(display(), gc, smallfont);
+ XDrawString(display(), owner.getPixmap(), gc,
+ tmpx, y, &c, 1);
+ tmpx += lyxfont::XTextWidth(smallfont, &c, 1);
+ } else {
+ lyxfont::XSetFont(display(), gc, f);
+ XDrawString(display(), owner.getPixmap(), gc,
+ tmpx, y, &c, 1);
+ tmpx += lyxfont::XTextWidth(f, &c, 1);
+ }
+ }
+ }
+
+ if (f.underbar() == LyXFont::ON) {
+ underline(f, x, y, lyxfont::width(s, ls, f));
+ }
+
+ return *this;
+}
+
+
+PainterBase & Painter::text(int x, int y, XChar2b const * s, int ls,
+ LyXFont const & f)
+{
+ GC gc = lyxColorHandler->getGCForeground(f.realColor());
+ if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
+ lyxfont::XSetFont(display(), gc, f);
+ XDrawString16(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 (int 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) {
+ lyxfont::XSetFont(display(), gc, smallfont);
+ XDrawString16(display(), owner.getPixmap(), gc,
+ tmpx, y, &c, 1);
+ tmpx += lyxfont::XTextWidth16(smallfont, &c, 1);
+ } else {
+ lyxfont::XSetFont(display(), gc, f);
+ XDrawString16(display(), owner.getPixmap(), gc,
+ tmpx, y, &c, 1);
+ tmpx += lyxfont::XTextWidth16(f, &c, 1);
+ }
+ }
+ }
+
+ if (f.underbar() == LyXFont::ON) {
+ underline(f, x, y, lyxfont::width(s, ls, f));
+ }
+
+ return *this;
+}
+
+
+void Painter::underline(LyXFont const & f, int x, int y, int width)
+{
+ int const below = max(lyxfont::maxDescent(f) / 2, 2);
+ int const height = max((lyxfont::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());
+}