// -*- C++ -*- /** * \file GuiPainter.h * This file is part of LyX, the document processor. * Licence details can be found in the file COPYING. * * \author John Levon * \author Abdelrazak Younes * * Full author contact details are available in file CREDITS. */ #ifndef GUIPAINTER_H #define GUIPAINTER_H #include "frontends/Painter.h" #include #include class QString; namespace lyx { class FontInfo; namespace frontend { /** * GuiPainter - a painter implementation for Qt4 */ class GuiPainter : public QPainter, public Painter { public: GuiPainter(QPaintDevice *); virtual ~GuiPainter(); /// draw a line from point to point virtual void line( int x1, int y1, int x2, int y2, ColorCode, line_style = line_solid, line_width = line_thin); /** * lines - draw a set of lines * @param xp array of points' x co-ords * @param yp array of points' y co-ords * @param np size of the points array */ virtual void lines( int const * xp, int const * yp, int np, ColorCode, line_style = line_solid, line_width = line_thin); /// draw a rectangle virtual void rectangle( int x, int y, int w, int h, ColorCode, line_style = line_solid, line_width = line_thin); /// draw a filled rectangle virtual void fillRectangle( int x, int y, int w, int h, ColorCode); /// draw an arc virtual void arc( int x, int y, unsigned int w, unsigned int h, int a1, int a2, ColorCode); /// draw a pixel virtual void point( int x, int y, ColorCode); /// draw an image from the image cache virtual void image(int x, int y, int w, int h, lyx::graphics::Image const & image); /// draw a string at position x, y (y is the baseline) virtual int text(int x, int y, docstring const & str, FontInfo const & f); /// draw a char at position x, y (y is the baseline) virtual int text(int x, int y, char_type c, FontInfo const & f); /// start monochrome painting mode, i.e. map every color into [min,max] virtual void enterMonochromeMode(ColorCode const & min, ColorCode const & max); /// leave monochrome painting mode virtual void leaveMonochromeMode(); private: /// draw small caps text /** \return width of the drawn text. */ int smallCapsText(int x, int y, QString const & str, FontInfo const & f); /// set pen parameters void setQPainterPen(QColor const & col, line_style ls = line_solid, line_width lw = line_thin); QColor current_color_; Painter::line_style current_ls_; Painter::line_width current_lw_; /// bool const use_pixmap_cache_; /// std::stack monochrome_min_; /// std::stack monochrome_max_; /// convert into Qt color, possibly applying the monochrome mode QColor computeColor(ColorCode col); /// possibly apply monochrome mode QColor filterColor(QColor const & col); /// QString generateStringSignature(QString const & str, FontInfo const & f); }; } // namespace frontend } // namespace lyx #endif // GUIPAINTER_H