#ifndef GUIPAINTER_H
#define GUIPAINTER_H
+#include "Color.h"
+
#include "frontends/Painter.h"
#include <QPainter>
+#include <QPainterPath>
+#include <stack>
class QString;
namespace lyx {
-class Font;
+class FontInfo;
namespace frontend {
/**
- * GuiPainter - a painter implementation for Qt4
+ * GuiPainter - a painter implementation for Qt
*/
class GuiPainter : public QPainter, public Painter {
public:
- GuiPainter(QPaintDevice *);
+ GuiPainter(QPaintDevice *, double pixel_ratio);
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);
+ Color,
+ line_style ls = line_solid,
+ int lw = thin_line);
/**
* lines - draw a set of lines
int const * xp,
int const * yp,
int np,
- ColorCode,
- line_style = line_solid,
- line_width = line_thin);
+ Color,
+ fill_style fs = fill_none,
+ line_style ls = line_solid,
+ int lw = thin_line);
+
+ /**
+ * path - draw a path with bezier curves
+ * @param xp array of points' x co-ords
+ * @param yp array of points' y co-ords
+ * @param c1x array of first control points' x co-ords
+ * @param c1y array of first control points' y co-ords
+ * @param c2x array of second control points' x co-ords
+ * @param c2y array of second control points' y co-ords
+ * @param np size of the points array
+ */
+ virtual void path(int const * xp, int const * yp,
+ int const * c1x, int const * c1y,
+ int const * c2x, int const * c2y,
+ int np, Color,
+ fill_style = fill_none, line_style = line_solid,
+ int line_width = thin_line);
/// draw a rectangle
virtual void rectangle(
int x, int y,
int w, int h,
- ColorCode,
+ Color,
line_style = line_solid,
- line_width = line_thin);
+ int lw = thin_line);
/// draw a filled rectangle
virtual void fillRectangle(
int x, int y,
int w, int h,
- ColorCode);
+ Color);
/// draw an arc
virtual void arc(
int x, int y,
unsigned int w, unsigned int h,
int a1, int a2,
- ColorCode);
+ Color);
/// draw a pixel
- virtual void point(
- int x, int y,
- ColorCode);
+ virtual void point(int x, int y, Color);
/// draw an image from the image cache
- virtual void image(int x, int y,
- int w, int h,
+ 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, Font const & f);
+ /// draw a string at position x, y (y is the baseline).
+ virtual void 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, Font const & f);
+ virtual void text(int x, int y, char_type c, FontInfo const & f);
+
+ /** draw a string at position x, y (y is the baseline). The
+ * text direction is enforced by the \c Font.
+ */
+ virtual void text(int x, int y, docstring const & str, Font const & f,
+ double wordspacing, double textwidth);
+
+ /** draw a string at position x, y (y is the baseline), but
+ * make sure that the part between \c from and \c to is in
+ * \c other color. The text direction is enforced by the \c Font.
+ */
+ virtual void text(int x, int y, docstring const & str, Font const & f,
+ Color other, size_type from, size_type to,
+ double wordspacing, double textwidth);
+
+ ///
+ virtual void textDecoration(FontInfo const & f, int x, int y, int width);
+
+ /// draw a string and enclose it inside a button frame
+ virtual void buttonText(int x, int baseline, docstring const & s,
+ FontInfo const & font, bool mouseHover);
+
+ /// start monochrome painting mode, i.e. map every color into [min,max]
+ virtual void enterMonochromeMode(Color const & min,
+ Color 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, Font const & f);
+ * Draw a string and enclose it inside a rectangle. If
+ * back color is specified, the background is cleared with
+ * the given color. If frame is specified, a thin frame is drawn
+ * around the text with the given color.
+ */
+ virtual void rectText(int x, int baseline, docstring const & str,
+ FontInfo const & font, Color back, Color frame);
+
+ /// draw a filled rectangle with the shape of a 3D button
+ virtual void button(int x, int y, int w, int h, bool mouseHover);
+
+ /// draw a character of a preedit string for cjk support.
+ virtual int preeditText(int x, int y,
+ char_type c, FontInfo const & f, preedit_style style);
+
+ void wavyHorizontalLine(int x, int y, int width, ColorCode col);
+
+private:
+ /// check the font, and if set, draw an underline
+ void underline(FontInfo const & f,
+ int x, int y, int width, line_style ls = line_solid);
+
+ /// check the font, and if set, draw an dashed underline
+ void dashedUnderline(FontInfo const & f,
+ int x, int y, int width);
+
+ /// check the font, and if set, draw an strike-through line
+ void strikeoutLine(FontInfo const & f,
+ int x, int y, int width);
+
+ /// check the font, and if set, draw double underline
+ void doubleUnderline(FontInfo const & f,
+ int x, int y, int width);
+
+ /// draw a bevelled button border
+ void buttonFrame(int x, int y, int w, int h);
/// set pen parameters
- void setQPainterPen(ColorCode col,
- line_style ls = line_solid,
- line_width lw = line_thin);
+ void setQPainterPen(QColor const & col,
+ line_style ls = line_solid, int lw = thin_line);
+
+ // Direction for painting text
+ enum Direction { LtR, RtL, Auto };
+
+ // Helper for text() method
+ void do_drawText(int x, int y, QString str, Direction dir, FontInfo const & f, QFont ff);
+
+ // Real text() method
+ void text(int x, int y, docstring const & s,
+ FontInfo const & f, Direction const dir,
+ double const wordspacing, double tw);
- ColorCode current_color_;
+ QColor current_color_;
Painter::line_style current_ls_;
- Painter::line_width current_lw_;
+ int current_lw_;
+ ///
+ bool const use_pixmap_cache_;
+ ///
+ std::stack<QColor> monochrome_min_;
+ ///
+ std::stack<QColor> monochrome_max_;
+ /// convert into Qt color, possibly applying the monochrome mode
+ QColor computeColor(Color col);
+ /// possibly apply monochrome mode
+ QColor filterColor(QColor const & col);
+ ///
+ QString generateStringSignature(QString const & str, FontInfo const & f,
+ double wordspacing);
};
} // namespace frontend