diff options
Diffstat (limited to 'tests/testdisplay.c')
| -rw-r--r-- | tests/testdisplay.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/testdisplay.c b/tests/testdisplay.c index 8f46d2fc..af1c33f8 100644 --- a/tests/testdisplay.c +++ b/tests/testdisplay.c @@ -372,6 +372,45 @@ enum corner { }; static void +paint_color_gradient(cairo_t *cr, int x, int y, int width, int height, + int r, int g, int b) +{ + cairo_pattern_t *pat; + + pat = cairo_pattern_create_linear(x, y, x + width, y + height); + cairo_pattern_add_color_stop_rgba(pat, 1, 0, 0, 0, 1); + cairo_pattern_add_color_stop_rgba(pat, 0, r, g, b, 1); + + cairo_rectangle(cr, x, y, width, height); + cairo_set_source(cr, pat); + cairo_fill(cr); + cairo_pattern_destroy(pat); +} + +static void +paint_test_patterns(cairo_t *cr, int width, int height, int stride) +{ + double gr_height, gr_width; + int x, y; + + y = height * 0.10; + gr_width = width * 0.75; + gr_height = height * 0.08; + x = (width / 2) - (gr_width / 2); + + paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 0, 0); + + y += gr_height; + paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 1, 0); + + y += gr_height; + paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 0, 1); + + y += gr_height; + paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 1, 1); +} + +static void paint_marker(cairo_t *cr, int x, int y, char *str, enum corner text_location) { cairo_text_extents_t extents; @@ -563,6 +602,9 @@ set_mode(struct connector *c) cr = cairo_create(surface); + paint_test_patterns(cr, width, height, + cairo_image_surface_get_stride(surface)); + cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE); /* Paint corner markers */ |