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 #include "font_metrics.h"
15 #include "support/lstrings.h"
22 #include "QWorkArea.h"
23 #include "qfont_loader.h"
24 #include "QLPainter.h"
26 #include "qt_helpers.h"
27 #include "lcolorcache.h"
29 #include <boost/scoped_array.hpp>
39 namespace grfx = lyx::graphics;
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(lcolorcache.get(c));
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 setPen(col, ls, lw).drawRect(x, y, w, h);
150 Painter & QLPainter::fillRectangle(int x, int y,
154 qp_->fillRect(x, y, w, h, lcolorcache.get(col));
159 Painter & QLPainter::fillPolygon(int const * xp, int const * yp,
160 int np, LColor::color col)
162 // Must use new as np is not known at compile time.
163 boost::scoped_array<QCOORD> points(new QCOORD[np * 2]);
165 //if (1) return *this;
167 for (int i = 0, j = 0; i < np; ++i) {
173 qp_->setBrush(lcolorcache.get(col));
174 qp_->drawPolygon(QPointArray(np, points.get()));
175 qp_->setBrush(Qt::NoBrush);
181 Painter & QLPainter::arc(int x, int y,
182 unsigned int w, unsigned int h,
183 int a1, int a2, LColor::color col)
185 // LyX usings 1/64ths degree, Qt usings 1/16th
186 setPen(col).drawArc(x, y, w, h, a1 / 4, a2 / 4);
191 Painter & QLPainter::image(int x, int y,
193 grfx::Image const & i)
195 qp_->drawPixmap(x, y, static_cast<grfx::QLImage const &>(i).qpixmap(), 0, 0, w, h);
200 Painter & QLPainter::text(int x, int y,
201 string const & s, LyXFont const & f)
203 return text(x, y, s.data(), s.length(), f);
207 Painter & QLPainter::text(int x, int y,
208 char c, LyXFont const & f)
210 char s[2] = { c, '\0' };
211 return text(x, y, s, 1, f);
215 void QLPainter::smallCapsText(int x, int y,
216 QString const & s, LyXFont const & f)
218 LyXFont smallfont(f);
219 smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
221 QFont const & qfont = fontloader.get(f);
222 QFont const & qsmallfont = fontloader.get(smallfont);
223 QFontMetrics const & qfontm = QFontMetrics(qfont);
224 QFontMetrics const & qsmallfontm = QFontMetrics(qsmallfont);
227 size_t ls = s.length();
228 for (size_t i = 0; i < ls; ++i) {
229 QChar const c = s[i].upper();
231 qp_->setFont(qsmallfont);
232 qp_->drawText(tmpx, y, c);
233 tmpx += qsmallfontm.width(c);
236 qp_->drawText(tmpx, y, c);
237 tmpx += qfontm.width(c);
243 Painter & QLPainter::text(int x, int y,
244 char const * s, size_t ls,
247 setPen(f.realColor());
249 Encoding const * encoding = f.language()->encoding();
250 if (f.isSymbolFont())
251 encoding = encodings.symbol_encoding();
254 #if QT_VERSION >= 300
256 for (size_t i = 0; i < ls; ++i)
257 str[i] = QChar(encoding->ucs(s[i]));
258 // HACK: QT3 refuses to show single compose characters
259 if (ls == 1 && str[0].unicode() >= 0x05b0 && str[0].unicode() <= 0x05c2)
262 for (size_t i = 0; i < ls; ++i)
263 str += QChar(encoding->ucs(s[i]));
266 if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
267 qp_->setFont(fontloader.get(f));
268 #if QT_VERSION >= 300
269 // We need to draw the text as LTR as we use our own bidi
271 qp_->drawText(x, y, str, -1, QPainter::LTR);
273 qp_->drawText(x, y, str);
276 smallCapsText(x, y, str, f);
279 if (f.underbar() == LyXFont::ON) {
280 underline(f, x, y, font_metrics::width(s, ls, f));