// // "$Id: fl_draw.H,v 1.9.2.3 2000/05/13 20:03:14 bill Exp $" // // Portable drawing function header file for the Fast Light Tool Kit (FLTK). // // Copyright 1998-2000 by Bill Spitzak and others. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 // USA. // // Please report all bugs and problems to "fltk-bugs@easysw.com". // #ifndef fl_draw_H #define fl_draw_H #include "Enumerations.H" // for the color names // Colors: FL_EXPORT void fl_color(Fl_Color); // select indexed color inline void fl_color(int c) {fl_color((Fl_Color)c);} // for back compatability FL_EXPORT void fl_color(uchar, uchar, uchar); // select actual color extern FL_EXPORT Fl_Color fl_color_; inline Fl_Color fl_color() {return fl_color_;} // clip: FL_EXPORT void fl_clip(int x, int y, int w, int h); #define fl_push_clip fl_clip FL_EXPORT void fl_push_no_clip(); FL_EXPORT void fl_pop_clip(); FL_EXPORT int fl_not_clipped(int x, int y, int w, int h); FL_EXPORT int fl_clip_box(int, int, int, int, int& x, int& y, int& w, int& h); // points: FL_EXPORT void fl_point(int x, int y); // line type: FL_EXPORT void fl_line_style(int style, int width=0, char* dashes=0); enum { FL_SOLID = 0, FL_DASH = 1, FL_DOT = 2, FL_DASHDOT = 3, FL_DASHDOTDOT = 4, FL_CAP_FLAT = 0x100, FL_CAP_ROUND = 0x200, FL_CAP_SQUARE = 0x300, FL_JOIN_MITER = 0x1000, FL_JOIN_ROUND = 0x2000, FL_JOIN_BEVEL = 0x3000 }; // rectangles tweaked to exactly fill the pixel rectangle: FL_EXPORT void fl_rect(int x, int y, int w, int h); FL_EXPORT void fl_rectf(int x, int y, int w, int h); // line segments: FL_EXPORT void fl_line(int,int, int,int); FL_EXPORT void fl_line(int,int, int,int, int,int); // closed line segments: FL_EXPORT void fl_loop(int,int, int,int, int,int); FL_EXPORT void fl_loop(int,int, int,int, int,int, int,int); // filled polygons FL_EXPORT void fl_polygon(int,int, int,int, int,int); FL_EXPORT void fl_polygon(int,int, int,int, int,int, int,int); // draw rectilinear lines, horizontal segment first: FL_EXPORT void fl_xyline(int x, int y, int x1); FL_EXPORT void fl_xyline(int x, int y, int x1, int y2); FL_EXPORT void fl_xyline(int x, int y, int x1, int y2, int x3); // draw rectilinear lines, vertical segment first: FL_EXPORT void fl_yxline(int x, int y, int y1); FL_EXPORT void fl_yxline(int x, int y, int y1, int x2); FL_EXPORT void fl_yxline(int x, int y, int y1, int x2, int y3); // circular lines and pie slices (code in fl_arci.C): FL_EXPORT void fl_arc(int x, int y, int w, int h, double a1, double a2); FL_EXPORT void fl_pie(int x, int y, int w, int h, double a1, double a2); FL_EXPORT 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): FL_EXPORT void fl_push_matrix(); FL_EXPORT void fl_pop_matrix(); FL_EXPORT void fl_scale(double x, double y); FL_EXPORT void fl_scale(double x); FL_EXPORT void fl_translate(double x, double y); FL_EXPORT void fl_rotate(double d); FL_EXPORT void fl_mult_matrix(double a, double b, double c, double d, double x,double y); FL_EXPORT void fl_begin_points(); FL_EXPORT void fl_begin_line(); FL_EXPORT void fl_begin_loop(); FL_EXPORT void fl_begin_polygon(); FL_EXPORT void fl_vertex(double x, double y); FL_EXPORT void fl_curve(double, double, double, double, double, double, double, double); FL_EXPORT void fl_arc(double x, double y, double r, double start, double a); FL_EXPORT void fl_circle(double x, double y, double r); FL_EXPORT void fl_end_points(); FL_EXPORT void fl_end_line(); FL_EXPORT void fl_end_loop(); FL_EXPORT void fl_end_polygon(); FL_EXPORT void fl_begin_complex_polygon(); FL_EXPORT void fl_gap(); FL_EXPORT void fl_end_complex_polygon(); // get and use transformed positions: FL_EXPORT double fl_transform_x(double x, double y); FL_EXPORT double fl_transform_y(double x, double y); FL_EXPORT double fl_transform_dx(double x, double y); FL_EXPORT double fl_transform_dy(double x, double y); FL_EXPORT void fl_transformed_vertex(double x, double y); // current font: FL_EXPORT void fl_font(int face, int size); extern FL_EXPORT int fl_font_; inline int fl_font() {return fl_font_;} extern FL_EXPORT int fl_size_; inline int fl_size() {return fl_size_;} // information you can get about the current font: FL_EXPORT int fl_height(); // using "size" should work ok FL_EXPORT int fl_descent(); FL_EXPORT double fl_width(const char*); FL_EXPORT double fl_width(const char*, int n); FL_EXPORT double fl_width(uchar); // draw using current font: FL_EXPORT void fl_draw(const char*, int x, int y); FL_EXPORT void fl_draw(const char*, int n, int x, int y); FL_EXPORT void fl_measure(const char*, int& x, int& y); FL_EXPORT void fl_draw(const char*, int,int,int,int, Fl_Align); FL_EXPORT void fl_draw(const char*, int,int,int,int, Fl_Align, void (*callthis)(const char *, int n, int x, int y)); // boxtypes: FL_EXPORT void fl_frame(const char* s, int x, int y, int w, int h); FL_EXPORT void fl_frame2(const char* s, int x, int y, int w, int h); FL_EXPORT void fl_draw_box(Fl_Boxtype, int x, int y, int w, int h, Fl_Color); // images: FL_EXPORT void fl_draw_image(const uchar*, int,int,int,int, int delta=3, int ldelta=0); FL_EXPORT 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*); FL_EXPORT void fl_draw_image(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta=3); FL_EXPORT void fl_draw_image_mono(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta=1); FL_EXPORT void fl_rectf(int x, int y, int w, int h, uchar r, uchar g, uchar b); // pixmaps: FL_EXPORT int fl_draw_pixmap(/*const*/ char* const* data, int x,int y,Fl_Color=FL_GRAY); FL_EXPORT int fl_measure_pixmap(/*const*/ char* const* data, int &w, int &h); // other: extern FL_EXPORT 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); FL_EXPORT const char* fl_shortcut_label(int); FL_EXPORT void fl_overlay_rect(int,int,int,int); FL_EXPORT void fl_overlay_clear(); FL_EXPORT void fl_cursor(Fl_Cursor, Fl_Color=FL_BLACK, Fl_Color=FL_WHITE); // XForms symbols: FL_EXPORT int fl_draw_symbol(const char* label,int x,int y,int w,int h, Fl_Color); FL_EXPORT int fl_add_symbol(const char* name, void (*drawit)(Fl_Color), int scalable); #endif // // End of "$Id: fl_draw.H,v 1.9.2.3 2000/05/13 20:03:14 bill Exp $". //