#ifndef PAINTER_H
#define PAINTER_H
-#include "Color.h"
-
#include "support/strfwd.h"
+#include "support/types.h"
namespace lyx {
+class Font;
class FontInfo;
namespace graphics { class Image; }
*/
class Painter {
public:
- Painter() : drawing_enabled_(true) {}
- /// possible line widths
- enum line_width {
- line_thin, //< thin line
- line_thick //< thick line
- };
+ Painter(double pixel_ratio) : drawing_enabled_(true), pixel_ratio_(pixel_ratio) {}
+
+ static const int thin_line;
/// possible line styles
enum line_style {
line_onoffdash //< dashes with spaces
};
+ /// possible fill styles
+ enum fill_style {
+ fill_none,
+ fill_oddeven,
+ fill_winding
+ };
+
/// possible character styles of preedit string.
/// This is used for CJK input method support.
enum preedit_style {
/// draw a line from point to point
virtual void line(int x1, int y1, int x2, int y2, Color,
- line_style = line_solid, line_width = line_thin) = 0;
+ line_style = line_solid, int line_width = thin_line) = 0;
/**
* lines - draw a set of lines
* @param np size of the points array
*/
virtual void lines(int const * xp, int const * yp, int np, Color,
- line_style = line_solid, line_width = line_thin) = 0;
+ fill_style = fill_none, line_style = line_solid,
+ int line_width = thin_line) = 0;
/// draw a rectangle
virtual void rectangle(int x, int y, int w, int h, Color,
- line_style = line_solid, line_width = line_thin) = 0;
+ line_style = line_solid, int line_width = thin_line) = 0;
/// draw a filled rectangle
virtual void fillRectangle(int x, int y, int w, int h, Color) = 0;
virtual void image(int x, int y, int w, int h,
graphics::Image const & image) = 0;
- /// draw a string at position x, y (y is the baseline)
- /**
- * \return the width of the drawn text.
- */
- virtual int text(int x, int y, docstring const & str, FontInfo const & f) = 0;
+ /** draw a string at position x, y (y is the baseline). The
+ * text direction is given by \c rtl.
+ * \return the width of the drawn text.
+ */
+ virtual int text(int x, int y, docstring const & str, FontInfo const & f,
+ bool rtl = false, double wordspacing = 0.0) = 0;
+
+ /** draw a string at position x, y (y is the baseline). The
+ * text direction is enforced by the \c Font.
+ * \return the width of the drawn text.
+ */
+ virtual int text(int x, int y, docstring const & str, Font const & f,
+ double wordspacing = 0.0) = 0;
+
+ /** 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.
+ * \return the width of the drawn text.
+ */
+ virtual int text(int x, int y, docstring const & str, Font const & f,
+ Color other, size_type from, size_type to,
+ double const wordspacing) = 0;
void setDrawingEnabled(bool drawing_enabled)
{ drawing_enabled_ = drawing_enabled; }
/// Indicate wether real screen drawing shall be done or not.
bool isDrawingEnabled() const { return drawing_enabled_; }
+ double pixelRatio() const { return pixel_ratio_; }
+
/// draw a char at position x, y (y is the baseline)
/**
* \return the width of the drawn text.
*/
virtual int text(int x, int y, char_type c, FontInfo const & f) = 0;
+ /// draw the underbar, strikeout, uuline and uwave font attributes
+ virtual void textDecoration(FontInfo const & f, int x, int y, int width) = 0;
+
/**
* Draw a string and enclose it inside a rectangle. If
* back color is specified, the background is cleared with
Color const & max) = 0;
/// leave monochrome painting mode
virtual void leaveMonochromeMode() = 0;
-
+ /// draws a wavy line that can be used for underlining.
+ virtual void wavyHorizontalLine(int x, int y, int width, ColorCode col) = 0;
private:
///
bool drawing_enabled_;
+ /// Ratio between physical pixels and device-independent pixels
+ double pixel_ratio_;
};
} // namespace frontend