diff options
Diffstat (limited to 'render.c')
| -rw-r--r-- | render.c | 29 |
1 files changed, 19 insertions, 10 deletions
@@ -8,7 +8,7 @@ static int pad = 15; static void render_color_bar(cairo_t *cr, int x, int y, int w, int h, double r, double g, double b, - const char *l1, const char *l2) + const char *l1, const char *l2, const char *l3) { cairo_font_extents_t ext; cairo_pattern_t *gr; @@ -26,12 +26,14 @@ static void render_color_bar(cairo_t *cr, int x, int y, int w, int h, CAIRO_FONT_WEIGHT_NORMAL); if (l2) { cairo_set_source_rgb(cr, 1, 1, 1); - cairo_set_font_size(cr, h/2 - pad); + cairo_set_font_size(cr, (h - 2*pad) / 3); cairo_font_extents(cr, &ext); cairo_move_to(cr, x + pad, y + pad + ext.ascent); cairo_show_text(cr, l1); cairo_move_to(cr, x + pad, y + pad + ext.ascent + ext.height); cairo_show_text(cr, l2); + cairo_move_to(cr, x + pad, y + pad + ext.ascent + ext.height * 2); + cairo_show_text(cr, l3); } else { cairo_set_source_rgb(cr, r, g, b); cairo_set_font_size(cr, h - 2*pad); @@ -41,7 +43,8 @@ static void render_color_bar(cairo_t *cr, int x, int y, int w, int h, } } -void render_test(cairo_t *cr, int width, int height, const char *l1, const char *l2) +void render_test(cairo_t *cr, int width, int height, + const char *l1, const char *l2, const char *l3) { int bar = 120; @@ -59,13 +62,19 @@ void render_test(cairo_t *cr, int width, int height, const char *l1, const char cairo_stroke(cr); render_color_bar(cr, pad, bar * 0 + pad, width - 2*pad, bar, - 0.6, 0.6, 0.6, l1, l2); - render_color_bar(cr, pad, bar * 1 + pad, width - 2*pad, bar, 1, 0, 0, "red", NULL); - render_color_bar(cr, pad, bar * 2 + pad, width - 2*pad, bar, 1, 1, 0, "yellow", NULL); - render_color_bar(cr, pad, bar * 3 + pad, width - 2*pad, bar, 0, 1, 0, "green", NULL); - render_color_bar(cr, pad, bar * 4 + pad, width - 2*pad, bar, 0, 1, 1, "cyan", NULL); - render_color_bar(cr, pad, bar * 5 + pad, width - 2*pad, bar, 0, 0, 1, "blue", NULL); - render_color_bar(cr, pad, bar * 6 + pad, width - 2*pad, bar, 1, 0, 1, "magenta", NULL); + 0.6, 0.6, 0.6, l1, l2, l3); + render_color_bar(cr, pad, bar * 1 + pad, width - 2*pad, bar, 1, 0, 0, + "red", NULL, NULL); + render_color_bar(cr, pad, bar * 2 + pad, width - 2*pad, bar, 1, 1, 0, + "yellow", NULL, NULL); + render_color_bar(cr, pad, bar * 3 + pad, width - 2*pad, bar, 0, 1, 0, + "green", NULL, NULL); + render_color_bar(cr, pad, bar * 4 + pad, width - 2*pad, bar, 0, 1, 1, + "cyan", NULL, NULL); + render_color_bar(cr, pad, bar * 5 + pad, width - 2*pad, bar, 0, 0, 1, + "blue", NULL, NULL); + render_color_bar(cr, pad, bar * 6 + pad, width - 2*pad, bar, 1, 0, 1, + "magenta", NULL, NULL); cairo_show_page(cr); } |