3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS
14 #pragma implementation
17 #include "font_metrics.h"
18 #include "support/lstrings.h"
25 #include "QWorkArea.h"
26 #include "qfont_loader.h"
27 #include "QLPainter.h"
30 #include <boost/scoped_array.hpp>
41 QLPainter::QLPainter(QWorkArea & qwa)
42 : Painter(), owner_(qwa), paint_check_(0)
44 qp_.reset(new QPainter);
48 void QLPainter::start()
50 if (++paint_check_ == 1)
51 qp_->begin(owner_.getPixmap());
57 if (paint_check_ == 0) {
58 lyxerr << "ended painting whilst not painting ??" << endl;
59 } else if (--paint_check_ == 0) {
65 int QLPainter::paperWidth() const
67 return owner_.workWidth();
71 int QLPainter::paperHeight() const
73 return owner_.workHeight();
77 QPainter & QLPainter::setPen(LColor::color c,
78 Painter::line_style ls, Painter::line_width lw)
80 QPen pen = qp_->pen();
82 pen.setColor(lcolor.getX11Name(c).c_str());
85 case line_solid: pen.setStyle(QPen::SolidLine); break;
86 case line_onoffdash: pen.setStyle(QPen::DotLine); break;
90 case line_thin: pen.setWidth(0); break;
91 case line_thick: pen.setWidth(3); break;
99 Painter & QLPainter::point(int x, int y, LColor::color c)
101 setPen(c).drawPoint(x, y);
106 Painter & QLPainter::line(int x1, int y1,
112 setPen(col, ls, lw).drawLine(x1, y1, x2, y2);
117 Painter & QLPainter::lines(int const * xp, int const * yp,
125 // Must use new as np is not known at compile time.
126 boost::scoped_array<QCOORD> points(new QCOORD[np * 2]);
128 for (int i = 0, j = 0; i < np; ++i) {
133 setPen(col, ls, lw).drawPolyline(QPointArray(np, points.get()));
139 Painter & QLPainter::rectangle(int x, int y,
145 //lyxerr << "rectangle " << x << ',' << y << ' '
146 // << w << ',' << h << endl;
147 setPen(col, ls, lw).drawRect(x, y, w, h);
152 Painter & QLPainter::fillRectangle(int x, int y,
156 //lyxerr << "fillRectangle " << x << ',' << y << ' '
157 // << w << ',' << h << endl;
158 qp_->fillRect(x, y, w, h, QColor(lcolor.getX11Name(col).c_str()));
163 Painter & QLPainter::fillPolygon(int const * xp, int const * yp,
164 int np, LColor::color col)
166 // Must use new as np is not known at compile time.
167 boost::scoped_array<QCOORD> points(new QCOORD[np * 2]);
169 //if (1) return *this;
171 for (int i = 0, j = 0; i < np; ++i) {
177 qp_->setBrush(lcolor.getX11Name(col).c_str());
178 qp_->drawPolygon(QPointArray(np, points.get()));
179 qp_->setBrush(Qt::NoBrush);
185 Painter & QLPainter::arc(int x, int y,
186 unsigned int w, unsigned int h,
187 int a1, int a2, LColor::color col)
189 lyxerr[Debug::GUI] << "arc: " << x << ',' << y
190 << ' ' << w << ',' << h << ", angles "
191 << a1 << " - " << a2 << endl;
192 // LyX usings 1/64ths degree, Qt usings 1/16th
193 setPen(col).drawArc(x, y, w, h, a1 / 4, a2 / 4);
198 Painter & QLPainter::image(int x, int y,
200 grfx::Image const & i)
202 qp_->drawPixmap(x, y, static_cast<grfx::QLImage const &>(i).qpixmap(), 0, 0, w, h);
207 Painter & QLPainter::text(int x, int y,
208 string const & s, LyXFont const & f)
210 return text(x, y, s.data(), s.length(), f);
214 Painter & QLPainter::text(int x, int y,
215 char c, LyXFont const & f)
217 char s[2] = { c, '\0' };
218 return text(x, y, s, 1, f);
222 void QLPainter::smallCapsText(int x, int y,
223 QString const & s, LyXFont const & f)
225 LyXFont smallfont(f);
226 smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
228 QFont const & qfont = fontloader.get(f);
229 QFont const & qsmallfont = fontloader.get(smallfont);
230 QFontMetrics const & qfontm = QFontMetrics(qfont);
231 QFontMetrics const & qsmallfontm = QFontMetrics(qsmallfont);
234 size_t ls = s.length();
235 for (size_t i = 0; i < ls; ++i) {
236 QChar const c = s[i].upper();
238 qp_->setFont(qsmallfont);
239 qp_->drawText(tmpx, y, c);
240 tmpx += qsmallfontm.width(c);
243 qp_->drawText(tmpx, y, c);
244 tmpx += qfontm.width(c);
250 Painter & QLPainter::text(int x, int y,
251 char const * s, size_t ls,
254 setPen(f.realColor());
256 Encoding const * encoding = f.language()->encoding();
257 if (f.isSymbolFont())
258 encoding = encodings.symbol_encoding();
261 #if QT_VERSION >= 300
263 for (size_t i = 0; i < ls; ++i)
264 str[i] = QChar(encoding->ucs(s[i]));
265 // HACK: QT3 refuses to show single compose characters
266 if (ls == 1 && str[0].unicode() >= 0x05b0 && str[0].unicode() <= 0x05c2)
269 for (size_t i = 0; i < ls; ++i)
270 str += QChar(encoding->ucs(s[i]));
273 if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
274 qp_->setFont(fontloader.get(f));
275 #if QT_VERSION >= 300
276 // We need to draw the text as LTR as we use our own bidi
278 qp_->drawText(x, y, str, -1, QPainter::LTR);
280 qp_->drawText(x, y, str);
283 smallCapsText(x, y, str, f);
286 if (f.underbar() == LyXFont::ON) {
287 underline(f, x, y, font_metrics::width(s, ls, f));