Reformat according to the CMP (whitespace only)

Preparing for some minor mods...
This commit is contained in:
Albrecht Schlosser 2019-02-12 14:55:43 +01:00
parent e5cc28edb6
commit 773a257421

View File

@ -32,109 +32,105 @@
// 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);
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);
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) {
//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);
double x1, y1;
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);
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!");
}
int main(int argc, char** argv) {
// 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
@ -143,14 +139,14 @@ int main(int argc, char** argv) {
window.resizable(&window);
window.color(FL_WHITE);
window.set_draw_cb(my_cairo_draw_cb);
window.show(argc,argv);
window.show(argc, argv);
return Fl::run();
}
#else
#include <FL/fl_ask.H>
int main(int argc, char** argv) {
int main(int argc, char **argv) {
fl_message("please configure fltk with CAIRO enabled (--enable-cairo or --enable-cairoext)");
return 0;
}