1 files changed, 135 insertions, 0 deletions
diff --git a/FL/fl_draw.H b/FL/fl_draw.H
new file mode 100644
index 000000000..49b7c51c4
--- /dev/null
+++ b/FL/fl_draw.H
@@ -0,0 +1,135 @@
+// fl_draw.H
+// Portable drawing functions
+
+#ifndef fl_draw_H
+#define fl_draw_H
+
+#include "Enumerations.H"  // for the color names
+
+// Colors:
+void	fl_color(Fl_Color); // select indexed color
+inline void fl_color(int c) {fl_color((Fl_Color)c);} // for back compatability
+void	fl_color(uchar, uchar, uchar); // select actual color
+extern Fl_Color fl_color_; inline Fl_Color fl_color() {return fl_color_;}
+
+// clip:
+void fl_clip(int x, int y, int w, int h);
+#define fl_push_clip fl_clip
+void fl_push_no_clip();
+void fl_pop_clip();
+int fl_not_clipped(int x, int y, int w, int h);
+int fl_clip_box(int, int, int, int, int& x, int& y, int& w, int& h);
+
+// points:
+void fl_point(int x, int y);
+
+// rectangles tweaked to exactly fill the pixel rectangle:
+void fl_rect(int x, int y, int w, int h);
+void fl_rectf(int x, int y, int w, int h);
+
+// line segments:
+void fl_line(int,int, int,int);
+void fl_line(int,int, int,int, int,int);
+
+// closed line segments:
+void fl_loop(int,int, int,int, int,int);
+void fl_loop(int,int, int,int, int,int, int,int);
+
+// filled polygons
+void fl_polygon(int,int, int,int, int,int);
+void fl_polygon(int,int, int,int, int,int, int,int);
+
+// draw rectilinear lines, horizontal segment first:
+void fl_xyline(int x, int y, int x1);
+void fl_xyline(int x, int y, int x1, int y2);
+void fl_xyline(int x, int y, int x1, int y2, int x3);
+
+// draw rectilinear lines, vertical segment first:
+void fl_yxline(int x, int y, int y1);
+void fl_yxline(int x, int y, int y1, int x2);
+void fl_yxline(int x, int y, int y1, int x2, int y3);
+
+// circular lines and pie slices (code in fl_arci.C):
+void fl_arc(int x, int y, int w, int h, double a1, double a2);
+void fl_pie(int x, int y, int w, int h, double a1, double a2);
+void fl_chord(int x, int y, int w, int h, double a1, double a2); // nyi
+
+// scalable drawing code (code in fl_vertex.C and fl_arc.C):
+void fl_push_matrix();
+void fl_pop_matrix();
+void fl_scale(double x, double y);
+void fl_scale(double x);
+void fl_translate(double x, double y);
+void fl_rotate(double d);
+void fl_mult_matrix(double a, double b, double c, double d, double x,double y);
+void fl_begin_points();
+void fl_begin_line();
+void fl_begin_loop();
+void fl_begin_polygon();
+void fl_vertex(double x, double y);
+void fl_curve(double, double, double, double, double, double, double, double);
+void fl_arc(double x, double y, double r, double start, double a);
+void fl_circle(double x, double y, double r);
+void fl_end_points();
+void fl_end_line();
+void fl_end_loop();
+void fl_end_polygon();
+void fl_begin_complex_polygon();
+void fl_gap();
+void fl_end_complex_polygon();
+// get and use transformed positions:
+double fl_transform_x(double x, double y);
+double fl_transform_y(double x, double y);
+double fl_transform_dx(double x, double y);
+double fl_transform_dy(double x, double y);
+void fl_transformed_vertex(double x, double y);
+
+// current font:
+void fl_font(int face, int size);
+void fl_font(int face, int size, Fl_Font default_font, int default_size);
+extern int fl_font_; inline int fl_font() {return fl_font_;}
+extern int fl_size_; inline int fl_size() {return fl_size_;}
+
+// information you can get about the current font:
+int   fl_height();	// using "size" should work ok
+int   fl_descent();
+double fl_width(const char*);
+double fl_width(const char*, int n);
+double fl_width(uchar);
+
+// draw using current font:
+void fl_draw(const char*, int x, int y);
+void fl_draw(const char*, int n, int x, int y);
+void fl_draw(const char*, int x, int y, int w, int h, Fl_Align);
+void fl_measure(const char*, int& x, int& y);
+
+// boxtypes:
+void fl_frame(const char* s, int x, int y, int w, int h);
+void fl_frame2(const char* s, int x, int y, int w, int h);
+void fl_draw_box(Fl_Boxtype, int x, int y, int w, int h, Fl_Color);
+
+// images:
+void fl_draw_image(const uchar*, int,int,int,int, int delta=3, int ldelta=0);
+void fl_draw_image_mono(const uchar*, int,int,int,int, int delta=1, int ld=0);
+typedef void (*Fl_Draw_Image_Cb)(void*,int,int,int,uchar*);
+void fl_draw_image(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta=3);
+void fl_draw_image_mono(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta=1);
+void fl_rectf(int x, int y, int w, int h, uchar r, uchar g, uchar b);
+
+// pixmaps:
+int fl_draw_pixmap(/*const*/ char* const* data, int x,int y,Fl_Color=FL_GRAY);
+int fl_measure_pixmap(/*const*/ char* const* data, int &w, int &h);
+
+// other:
+extern void fl_scroll(int X, int Y, int W, int H, int dx, int dy,
+	       void (*draw_area)(void*, int,int,int,int), void* data);
+const char* fl_shortcut_label(int);
+void fl_overlay_rect(int,int,int,int);
+void fl_overlay_clear();
+void fl_cursor(Fl_Cursor, Fl_Color=FL_BLACK, Fl_Color=FL_WHITE);
+
+// XForms symbols:
+int fl_draw_symbol(const char* label,int x,int y,int w,int h, Fl_Color);
+int fl_add_symbol(const char* name, void (*drawit)(Fl_Color), int scalable);
+
+#endif