32#include "drawing_helper.h"
34void dh_set_color(cairo_t *cairo, GdkColor *color)
37 rgba_color.red = ((double) color->red) / 65535.0;
38 rgba_color.green = ((double) color->green) / 65535.0;
39 rgba_color.blue = ((double) color->blue) / 65535.0;
40 rgba_color.alpha = 1.0;
41 gdk_cairo_set_source_rgba(cairo, &rgba_color);
44void dh_set_white_color(cairo_t *cairo_surface)
47 color.red = 255 * 255;color.green = 255 * 255;color.blue = 255 * 255;
48 dh_set_color(cairo_surface, &color);
51void dh_set_red_color(cairo_t *cairo_surface)
54 color.red = 255 * 255;color.green = 0 * 255;color.blue = 0 * 255;
55 dh_set_color(cairo_surface, &color);
58void dh_draw_rectangle(cairo_t *cairo, gboolean filled, gint x, gint y,
59 gint width, gint height)
61 cairo_rectangle(cairo, x, y, width, height);
71void dh_draw_arc(cairo_t *cairo, gboolean filled, gint x, gint y,
72 double radius,
double angle1,
double angle2)
74 cairo_arc(cairo, x, y, radius, angle1, angle2);
84void dh_draw_text(cairo_t *cairo,
const gchar *text, gint x, gint y)
86 dh_draw_text_with_size(cairo, text, x, y, 11.0);
89void dh_draw_text_with_size(cairo_t *cairo,
const gchar *text, gint x, gint y,
92 cairo_select_font_face(cairo,
"Sans 11", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
93 cairo_set_font_size(cairo, font_size);
95 cairo_move_to(cairo, x, y + 13);
96 cairo_show_text(cairo, text);
99void dh_draw_line_with_width(cairo_t *cairo, gint x1, gint y1, gint x2, gint y2,
100 gboolean line_is_dashed, gboolean stroke,
double line_width)
102 double dashes[] = { 1.0, 3.0 };
105 cairo_set_dash(cairo, dashes, 2, -50.0);
109 cairo_set_dash(cairo, dashes, 0, 0.0);
112 cairo_set_line_width(cairo, line_width);
113 cairo_set_line_cap(cairo, CAIRO_LINE_CAP_ROUND);
114 cairo_move_to(cairo, x1, y1);
115 cairo_line_to(cairo, x2, y2);
123void dh_draw_line(cairo_t *cairo, gint x1, gint y1, gint x2, gint y2,
124 gboolean line_is_dashed, gboolean stroke)
126 dh_draw_line_with_width(cairo, x1, y1, x2, y2, line_is_dashed, stroke, 1.2);
129void draw_point(cairo_t *cairo, gint x, gint y)
131 dh_draw_line(cairo, x, y, x, y, FALSE, FALSE);