diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Makefile | 3 | ||||
| -rw-r--r-- | test/cairo_test.cxx | 168 |
2 files changed, 171 insertions, 0 deletions
diff --git a/test/Makefile b/test/Makefile index 2dc3145ea..7e46b93ba 100644 --- a/test/Makefile +++ b/test/Makefile @@ -38,6 +38,7 @@ CPPFILES =\ browser.cxx \ button.cxx \ buttons.cxx \ + cairo_test.cxx \ checkers.cxx \ clock.cxx \ colbrowser.cxx \ @@ -106,6 +107,7 @@ ALL = \ browser$(EXEEXT) \ button$(EXEEXT) \ buttons$(EXEEXT) \ + cairo_test$(EXEEXT) \ checkers$(EXEEXT) \ clock$(EXEEXT) \ colbrowser$(EXEEXT) \ @@ -461,6 +463,7 @@ shape$(EXEEXT): shape.o echo Linking $@... $(CXX) $(ARCHFLAGS) $(LDFLAGS) -o $@ shape.o $(LINKFLTKGL) $(LINKFLTK) $(GLDLIBS) +cairo_test$(EXEEXT): cairo_test.o # # End of "$Id$". diff --git a/test/cairo_test.cxx b/test/cairo_test.cxx new file mode 100644 index 000000000..6492d4d40 --- /dev/null +++ b/test/cairo_test.cxx @@ -0,0 +1,168 @@ +// +// "$Id: arc.cxx 5115 2006-05-12 16:00:00Z fabien $" +// +// Arc drawing test program for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2006 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@fltk.org". +// + +#include <config.h> + +#ifdef HAVE_CAIRO + +#include <FL/Fl_Cairo_Window.H> +#include <FL/Fl_Box.H> +#include <FL/x.H> +#include <FL/fl_draw.H> +#include <FL/math.h> +#define DEF_WIDTH 0.03 + +// uncomment the following line to enable cairo context autolink feature: +// #define AUTOLINK + +// put your drawing stuff here +float drawargs[7] = {90, 90, 100, 100, 0, 360, 0}; +const char* name[7] = {"X", "Y", "W", "H", "start", "end", "rotate"}; + + +static void centered_text(cairo_t* cr, double x0,double y0,double w0,double h0, const char * my_text) { + cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_OBLIQUE,CAIRO_FONT_WEIGHT_BOLD); + cairo_set_source_rgba (cr, 0.9, 0.9, 0.4, 0.6); + cairo_text_extents_t extents; + cairo_text_extents (cr, my_text, &extents); + double x = (extents.width/2 + extents.x_bearing); + double y = (extents.height/2 + extents.y_bearing); + cairo_move_to (cr, x0+w0/2-x, y0+h0/2 - y); + cairo_text_path(cr,my_text); + cairo_fill_preserve (cr); + cairo_set_source_rgba (cr, 0, 0, 0,1); + cairo_set_line_width (cr, 0.004); + cairo_stroke (cr); + cairo_set_line_width (cr, DEF_WIDTH); + + +} + +static void round_button(cairo_t* cr, double x0, double y0, + double rect_width, double rect_height, double radius, + double r, double g, double b) { + + double x1,y1; + + + x1=x0+rect_width; + y1=y0+rect_height; + if (!rect_width || !rect_height) + return; + if (rect_width/2<radius) { + if (rect_height/2<radius) { + cairo_move_to (cr, x0, (y0 + y1)/2); + cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2); + cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2); + } else { + cairo_move_to (cr, x0, y0 + radius); + cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius); + cairo_line_to (cr, x1 , y1 - radius); + cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius); + } + } else { + if (rect_height/2<radius) { + cairo_move_to (cr, x0, (y0 + y1)/2); + cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0); + cairo_line_to (cr, x1 - radius, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2); + cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1); + cairo_line_to (cr, x0 + radius, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2); + } else { + cairo_move_to (cr, x0, y0 + radius); + cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0); + cairo_line_to (cr, x1 - radius, y0); + cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius); + cairo_line_to (cr, x1 , y1 - radius); + cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1); + cairo_line_to (cr, x0 + radius, y1); + cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius); + } + } + cairo_close_path (cr); + + cairo_pattern_t *pat= + //cairo_pattern_create_linear (0.0, 0.0, 0.0, 1.0); + cairo_pattern_create_radial (0.25, 0.24, 0.11, 0.24, 0.14, 0.35); + cairo_pattern_set_extend (pat, CAIRO_EXTEND_REFLECT); + + cairo_pattern_add_color_stop_rgba (pat, 1.0, r, g, b, 1); + cairo_pattern_add_color_stop_rgba (pat, 0.0, 1, 1, 1, 1); + cairo_set_source (cr, pat); + cairo_fill_preserve (cr); + cairo_pattern_destroy (pat); + + //cairo_set_source_rgb (cr, 0.5,0.5,1); cairo_fill_preserve (cr); + cairo_set_source_rgba (cr, 0, 0, 0.5, 0.3); + cairo_stroke (cr); + + cairo_set_font_size (cr, 0.08); + centered_text(cr,x0,y0,rect_width, rect_height, "FLTK loves Cairo!"); + +} +// The cairo rendering cb called during Fl_Cairo_Window::draw() : +static void my_cairo_draw_cb(Fl_Cairo_Window* window, cairo_t* cr) { + + int w= window->w(), h = window->h(); + + cairo_set_line_width (cr, DEF_WIDTH); + cairo_scale (cr, w,h); + + round_button(cr,0.1,0.05,0.8,0.2,0.4,0,0,1); + round_button(cr,0.1,0.35,0.8,0.2,0.4,1,0,0); + round_button(cr,0.1,0.65,0.8,0.2,0.4,0,1,0); + return; +} + +int main(int argc, char** argv) { +#ifdef AUTOLINK + Fl::cairo_autolink_context(true); +#endif + Fl_Cairo_Window window(300,300); + + window.resizable(&window); + window.color(FL_WHITE); + window.show(argc,argv); + window.set_draw_cb(my_cairo_draw_cb); + + return Fl::run(); +} +#else +#include <FL/fl_ask.H> + +int main(int argc, char** argv) { + fl_message("please configure fltk with CAIRO enabled (--enable-cairo)"); + return 0; +} +#endif + +// +// End of "$Id: arc.cxx 5115 2006-05-12 16:00:00Z fabien $". +// |