Create class Fl_Widget_Surface that supports draw(Fl_Widget *, int, int).

This simplifies the implementation of Fl_Copy_Surface and Fl_Image_Surface
which now are made to derive from Fl_Widget_Surface.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11220 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 75 insertions, 0 deletions

diff --git a/src/drivers/Xlib/Fl_Translated_Xlib_Graphics_Driver.H b/src/drivers/Xlib/Fl_Translated_Xlib_Graphics_Driver.H
new file mode 100644
index 000000000..b90b1c47f
--- /dev/null
+++ b/src/drivers/Xlib/Fl_Translated_Xlib_Graphics_Driver.H
@@ -0,0 +1,75 @@
+//
+// "$Id: Fl_Translated_Xlib_Graphics_Driver.H 11217 2016-02-25 17:56:48Z manolo $"
+//
+// Draw-to-image code for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2016 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file.  If this
+// file is missing or damaged, see the license at:
+//
+//     http://www.fltk.org/COPYING.php
+//
+// Please report all bugs and problems on the following page:
+//
+//     http://www.fltk.org/str.php
+//
+
+#ifndef Fl_Translated_Xlib_Graphics_Driver_h
+#define Fl_Translated_Xlib_Graphics_Driver_h
+
+#ifndef FL_DOXYGEN
+
+#include <src/drivers/Xlib/Fl_Xlib_Graphics_Driver.h>
+
+/* graphics driver that translates all graphics coordinates before calling Xlib */
+class Fl_Translated_Xlib_Graphics_Driver : public Fl_Xlib_Graphics_Driver {
+  int offset_x, offset_y; // translation between user and graphical coordinates: graphical = user + offset
+  unsigned depth; // depth of translation stack
+  int stack_x[20], stack_y[20]; // translation stack allowing cumulative translations
+public:
+  Fl_Translated_Xlib_Graphics_Driver();
+  virtual ~Fl_Translated_Xlib_Graphics_Driver();
+  void translate_all(int dx, int dy);
+  void untranslate_all();
+  void rect(int x, int y, int w, int h);
+  void rectf(int x, int y, int w, int h);
+  void xyline(int x, int y, int x1);
+  void xyline(int x, int y, int x1, int y2);
+  void xyline(int x, int y, int x1, int y2, int x3);
+  void yxline(int x, int y, int y1);
+  void yxline(int x, int y, int y1, int x2);
+  void yxline(int x, int y, int y1, int x2, int y3);
+  void line(int x, int y, int x1, int y1);
+  void line(int x, int y, int x1, int y1, int x2, int y2);
+  void draw(const char* str, int n, int x, int y);
+  void draw(int angle, const char *str, int n, int x, int y);
+  void rtl_draw(const char* str, int n, int x, int y);
+  void draw(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy);
+  void draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy);
+  void draw(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int cx, int cy);
+  void draw_image(const uchar* buf, int X,int Y,int W,int H, int D=3, int L=0);
+  void draw_image(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=3);
+  void draw_image_mono(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0) ;
+  void draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1);
+  void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
+  void push_clip(int x, int y, int w, int h);
+  int not_clipped(int x, int y, int w, int h);
+  int clip_box(int x, int y, int w, int h, int& X, int& Y, int& W, int& H);
+  void pie(int x, int y, int w, int h, double a1, double a2);
+  void arc(int x, int y, int w, int h, double a1, double a2);
+  void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
+  void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
+  void loop(int x0, int y0, int x1, int y1, int x2, int y2);
+  void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
+  void point(int x, int y);
+};
+
+#endif // FL_DOXYGEN
+
+#endif /* Fl_Translated_Xlib_Graphics_Driver_h */
+
+//
+// End of "$Id: Fl_Translated_Xlib_Graphics_Driver.H 11217 2016-02-25 17:56:48Z manolo $".
+//