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[lyx.git] / src / frontends / Painter.h

diff --git a/src/frontends/Painter.h b/src/frontends/Painter.h
index e7f01af9d606442fda5a9a22a1ca07a899bd382c..7906aa986be865e8e60a0051a2df403b4e8b4ecf 100644 (file)
--- a/src/frontends/Painter.h
+++ b/src/frontends/Painter.h
@@ -14,9 +14,11 @@
 #define PAINTER_H
 
 #include "support/strfwd.h"
+#include "support/types.h"
 
 namespace lyx {
 
+class Font;
 class FontInfo;
 
 namespace graphics { class Image; }
@@ -52,9 +54,8 @@ namespace frontend {
  */
 class Painter {
 public:
-       Painter() : drawing_enabled_(true) {}
+       Painter(double pixel_ratio) : drawing_enabled_(true), pixel_ratio_(pixel_ratio) {}
 
-       float line_width;
        static const float thin_line;
 
        /// possible line styles
@@ -63,6 +64,13 @@ public:
                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 {
@@ -84,7 +92,8 @@ public:
         * @param np size of the points array
         */
        virtual void lines(int const * xp, int const * yp, int np, Color,
-               line_style = line_solid, float line_width = thin_line) = 0;
+               fill_style = fill_none, line_style = line_solid,
+               float line_width = thin_line) = 0;
 
        /// draw a rectangle
        virtual void rectangle(int x, int y, int w, int h, Color,
@@ -107,11 +116,25 @@ public:
        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) = 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) = 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) = 0;
 
        void setDrawingEnabled(bool drawing_enabled)
        { drawing_enabled_ = drawing_enabled; }
@@ -119,6 +142,8 @@ public:
        /// 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.
@@ -155,6 +180,8 @@ public:
 private:
        ///
        bool drawing_enabled_;
+       /// Ratio between physical pixels and device-independent pixels
+       double pixel_ratio_;
 };
 
 } // namespace frontend