2006-03-05 17:24:44 +00:00
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/**
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* \file QLPainter.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author John Levon
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* \author Abdelrazak Younes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "QLPainter.h"
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2006-09-26 09:57:47 +00:00
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#include "GuiApplication.h"
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2006-06-20 08:39:16 +00:00
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#include "GuiWorkArea.h"
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2006-03-05 17:24:44 +00:00
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#include "QLImage.h"
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2006-06-17 09:14:58 +00:00
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#include "FontLoader.h"
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2006-03-05 17:24:44 +00:00
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2006-09-22 09:47:39 +00:00
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#include "GuiApplication.h"
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2006-08-30 14:59:07 +00:00
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#include "qt_helpers.h"
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2006-06-26 16:55:35 +00:00
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#include "debug.h"
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2006-03-05 17:24:44 +00:00
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#include "language.h"
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#include "LColor.h"
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2006-10-07 16:15:06 +00:00
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#include "frontends/FontMetrics.h"
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2006-03-05 17:24:44 +00:00
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2006-08-13 22:54:59 +00:00
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#include "support/unicode.h"
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2006-03-05 17:24:44 +00:00
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#include <QPainter>
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#include <QPicture>
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#include <QPixmap>
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#include <QImage>
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2006-08-13 22:54:59 +00:00
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using lyx::char_type;
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using lyx::docstring;
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2006-03-05 17:24:44 +00:00
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using std::endl;
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using std::string;
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2006-06-20 08:39:16 +00:00
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namespace lyx {
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namespace frontend {
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2006-03-05 17:24:44 +00:00
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QLPainter::~QLPainter()
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{
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}
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2006-06-25 11:18:56 +00:00
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2006-06-20 08:39:16 +00:00
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QLPainter::QLPainter(GuiWorkArea * qwa)
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2006-03-20 10:43:21 +00:00
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: Painter(), qwa_(qwa)
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{
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}
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2006-06-23 14:12:17 +00:00
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void QLPainter::start()
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{
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qp_.reset(new QPainter(qwa_->paintDevice()));
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// new QPainter has default QPen:
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current_color_ = LColor::black;
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current_ls_ = line_solid;
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current_lw_ = line_thin;
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}
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void QLPainter::end()
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{
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qp_->end();
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}
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2006-03-05 17:24:44 +00:00
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int QLPainter::paperWidth() const
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{
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return qwa_->viewport()->width();
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}
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int QLPainter::paperHeight() const
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{
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return qwa_->viewport()->height();
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}
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2006-06-25 11:18:56 +00:00
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void QLPainter::setQPainterPen(LColor_color col,
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Painter::line_style ls, Painter::line_width lw)
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{
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if (col == current_color_ && ls == current_ls_ && lw == current_lw_)
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return;
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2006-06-11 21:22:36 +00:00
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2006-06-14 14:23:25 +00:00
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current_color_ = col;
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current_ls_ = ls;
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current_lw_ = lw;
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2006-06-25 11:18:56 +00:00
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QPen pen = qp_.get()->pen();
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2006-09-26 09:57:47 +00:00
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pen.setColor(guiApp->colorCache().get(col));
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switch (ls) {
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case line_solid: pen.setStyle(Qt::SolidLine); break;
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case line_onoffdash: pen.setStyle(Qt::DotLine); break;
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}
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switch (lw) {
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case line_thin: pen.setWidth(0); break;
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case line_thick: pen.setWidth(3); break;
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}
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2006-06-25 11:18:56 +00:00
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qp_.get()->setPen(pen);
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2006-03-05 17:24:44 +00:00
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}
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2006-06-25 11:18:56 +00:00
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2006-06-14 14:23:25 +00:00
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void QLPainter::point(int x, int y, LColor_color col)
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{
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setQPainterPen(col);
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qp_->drawPoint(x, y);
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2006-03-05 17:24:44 +00:00
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}
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void QLPainter::line(int x1, int y1, int x2, int y2,
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LColor_color col,
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line_style ls,
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line_width lw)
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{
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2006-06-25 11:18:56 +00:00
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setQPainterPen(col, ls, lw);
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qp_->drawLine(x1, y1, x2, y2);
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2006-03-05 17:24:44 +00:00
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}
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void QLPainter::lines(int const * xp, int const * yp, int np,
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LColor_color col,
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line_style ls,
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line_width lw)
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{
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// FIXME ?
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// Must use new as np is not known at compile time.
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boost::scoped_array<QPoint> points(new QPoint[np]);
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for (int i = 0; i < np; ++i) {
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points[i].setX(xp[i]);
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points[i].setY(yp[i]);
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}
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2006-06-25 11:18:56 +00:00
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setQPainterPen(col, ls, lw);
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qp_->drawPolyline(points.get(), np);
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}
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void QLPainter::rectangle(int x, int y, int w, int h,
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LColor_color col,
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line_style ls,
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line_width lw)
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{
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2006-06-25 11:18:56 +00:00
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setQPainterPen(col, ls, lw);
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2006-06-23 14:12:17 +00:00
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qp_->drawRect(x, y, w, h);
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}
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void QLPainter::fillRectangle(int x, int y, int w, int h, LColor_color col)
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{
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qp_->fillRect(x, y, w, h, guiApp->colorCache().get(col));
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2006-03-05 17:24:44 +00:00
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}
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void QLPainter::arc(int x, int y, unsigned int w, unsigned int h,
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int a1, int a2, LColor_color col)
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{
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// LyX usings 1/64ths degree, Qt usings 1/16th
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2006-06-25 11:18:56 +00:00
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setQPainterPen(col);
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2006-06-23 14:12:17 +00:00
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qp_->drawArc(x, y, w, h, a1 / 4, a2 / 4);
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2006-03-05 17:24:44 +00:00
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}
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void QLPainter::image(int x, int y, int w, int h,
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lyx::graphics::Image const & i)
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{
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lyx::graphics::QLImage const & qlimage =
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static_cast<lyx::graphics::QLImage const &>(i);
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fillRectangle(x, y, w, h, LColor::graphicsbg);
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2006-06-23 14:12:17 +00:00
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qp_->drawImage(x, y, qlimage.qimage(), 0, 0, w, h);
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2006-03-05 17:24:44 +00:00
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}
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2006-10-08 14:24:12 +00:00
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void QLPainter::text(int x, int y, docstring const & s, LyXFont const & f)
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{
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return text(x, y, reinterpret_cast<char_type const *>(s.data()), s.length(), f);
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2006-03-05 17:24:44 +00:00
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}
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2006-10-08 14:24:12 +00:00
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void QLPainter::text(int x, int y, char_type c, LyXFont const & f)
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{
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char_type s[2] = { c, char_type('\0') };
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return text(x, y, s, 1, f);
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}
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2006-10-07 16:15:06 +00:00
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int QLPainter::smallCapsText(int x, int y,
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2006-03-05 17:24:44 +00:00
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QString const & s, LyXFont const & f)
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{
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LyXFont smallfont(f);
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smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
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2006-10-03 16:17:32 +00:00
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QFont const & qfont = guiApp->guiFontLoader().get(f);
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QFont const & qsmallfont = guiApp->guiFontLoader().get(smallfont);
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2006-03-05 17:24:44 +00:00
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2006-06-25 11:18:56 +00:00
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setQPainterPen(f.realColor());
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2006-10-07 16:15:06 +00:00
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int textwidth = 0;
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size_t ls = s.length();
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2006-06-25 11:27:33 +00:00
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for (unsigned int i = 0; i < ls; ++i) {
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2006-08-17 08:56:53 +00:00
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QChar const c = s[i].toUpper();
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if (c != s.at(i)) {
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2006-06-23 14:12:17 +00:00
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qp_->setFont(qsmallfont);
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} else {
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2006-06-23 14:12:17 +00:00
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qp_->setFont(qfont);
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2006-03-05 17:24:44 +00:00
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}
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2006-10-07 16:15:06 +00:00
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qp_->drawText(x + textwidth, y, c);
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textwidth += qp_->fontMetrics().width(c);
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2006-03-05 17:24:44 +00:00
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}
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2006-10-07 16:15:06 +00:00
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return textwidth;
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2006-03-05 17:24:44 +00:00
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}
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2006-10-08 14:24:12 +00:00
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void QLPainter::text(int x, int y, char_type const * s, size_t ls,
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2006-03-05 17:24:44 +00:00
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LyXFont const & f)
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{
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2006-08-13 22:54:59 +00:00
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#if 0
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Encoding const * encoding = f.language()->encoding();
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if (f.isSymbolFont())
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encoding = encodings.symbol_encoding();
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2006-08-13 22:54:59 +00:00
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#endif
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2006-03-05 17:24:44 +00:00
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QString str;
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2006-10-07 16:30:26 +00:00
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ucs4_to_qstring(s, ls, str);
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2006-08-13 22:54:59 +00:00
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#if 0
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// HACK: QT3 refuses to show single compose characters
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2006-06-14 14:23:25 +00:00
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// Still needed with Qt4?
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2006-03-05 17:24:44 +00:00
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if (ls == 1 && str[0].unicode() >= 0x05b0 && str[0].unicode() <= 0x05c2)
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str = ' ' + str;
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2006-08-13 22:54:59 +00:00
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#endif
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2006-03-05 17:24:44 +00:00
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2006-10-07 16:15:06 +00:00
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QLFontInfo & fi = guiApp->guiFontLoader().fontinfo(f);
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int textwidth;
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2006-03-05 17:24:44 +00:00
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if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
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2006-06-25 11:18:56 +00:00
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setQPainterPen(f.realColor());
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2006-10-07 16:15:06 +00:00
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qp_->setFont(fi.font);
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2006-06-14 14:23:25 +00:00
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// We need to draw the text as LTR as we use our own bidi code.
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2006-06-23 14:12:17 +00:00
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qp_->setLayoutDirection(Qt::LeftToRight);
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qp_->drawText(x, y, str);
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2006-10-07 16:15:06 +00:00
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textwidth = qp_->fontMetrics().width(str);
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2006-03-05 17:24:44 +00:00
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} else {
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2006-10-07 16:15:06 +00:00
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textwidth = smallCapsText(x, y, str, f);
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2006-03-05 17:24:44 +00:00
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}
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if (f.underbar() == LyXFont::ON) {
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2006-10-07 16:15:06 +00:00
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underline(f, x, y, textwidth);
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2006-03-05 17:24:44 +00:00
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}
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}
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2006-06-25 11:18:56 +00:00
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2006-03-20 10:43:21 +00:00
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void QLPainter::drawPixmap(int x, int y, QPixmap const & pixmap)
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2006-03-05 17:24:44 +00:00
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{
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2006-06-23 14:12:17 +00:00
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qp_->drawPixmap(x, y, pixmap);
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2006-03-05 17:24:44 +00:00
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}
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2006-03-20 17:25:02 +00:00
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2006-06-25 11:18:56 +00:00
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2006-03-20 17:25:02 +00:00
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void QLPainter::drawImage(int x, int y, QImage const & image)
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{
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2006-06-23 14:12:17 +00:00
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qp_->drawImage(x, y, image);
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2006-03-20 17:25:02 +00:00
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}
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2006-06-20 08:39:16 +00:00
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} // namespace frontend
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} // namespace lyx
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