static gboolean on_draw(GtkWidget *widget, gpointer data)
{
cairo_t *cr;
GtkAllocation alloc;
gtk_widget_get_allocation(widget, &alloc);
gint width = alloc.width;
gint height = alloc.height;
gint r = 5;
cr = gdk_cairo_create(gtk_widget_get_window(widget));
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
width,
height);
cairo_t *cr2 = cairo_create(surface);
draw_round_rectangle(cr2, 0, 0, width, height, r);
cairo_stroke_preserve(cr2);
cairo_fill(cr2) ;
cairo_destroy(cr2);
cairo_region_t *region = gdk_cairo_region_create_from_surface(surface);
gtk_widget_shape_combine_region(widget, region);
cairo_set_line_width(cr, 0.3);
cairo_set_source_rgb(cr, 0.78, 0.78, 0.78);
draw_round_rectangle(cr, 0, 0, width, height, r);
cairo_stroke(cr);
cairo_region_destroy(region);
cairo_surface_destroy(surface);
cairo_destroy(cr);
}
static void decode_and_draw(rectangle_t* obj, const area_t * limiting_canvas_area)
{
area_t canvas_area = widget_compute_canvas_area(obj->glyph, limiting_canvas_area);
canvas_t *canv = canvas_new(&canvas_area);
if (obj->corner_radius)
{
if (obj->is_filled) {
draw_solid_round_rectangle(canv, color_to_pixel(obj->fill_color), obj->corner_radius);
}
if (obj->has_border) {
draw_round_rectangle(canv, color_to_pixel(obj->border_color), obj->border_tickness, obj->corner_radius);
}
}
else
{
if (obj->is_filled) {
draw_solid_rectangle(canv, color_to_pixel(obj->fill_color));
}
if (obj->has_border) {
draw_rectangle(canv, color_to_pixel(obj->border_color), obj->border_tickness);
}
}
canvas_delete(canv);
}
void draw_vlinear(cairo_t *cr, gint x, gint y, gint w, gint h, gboolean top_to_buttom)
{
gint r = 0;
cairo_save(cr);
// Translate y coordinate, otherwise y is too big for LinearGradient cause render bug.
cairo_translate(cr, 0, y);
cairo_pattern_t *linear = NULL;
if(top_to_buttom)
linear = cairo_pattern_create_linear(0, 0, 0, h);
else
linear = cairo_pattern_create_linear(0, h, 0, 0);
cairo_pattern_add_color_stop_rgba(linear, 0, 0, 0, 0, 0);
cairo_pattern_add_color_stop_rgba(linear, 0.66, 0, 0, 0, 0.2);
cairo_pattern_add_color_stop_rgba(linear, 1, 0, 0, 0, 0.33);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_source(cr, linear);
draw_round_rectangle(cr, x, 0, w, h, r);
cairo_fill(cr);
cairo_restore(cr);
cairo_pattern_destroy(linear);
}
