diff options
Diffstat (limited to 'pixman/demos/radial-test.c')
| -rw-r--r-- | pixman/demos/radial-test.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/pixman/demos/radial-test.c b/pixman/demos/radial-test.c index e64f3577f..08a367cd2 100644 --- a/pixman/demos/radial-test.c +++ b/pixman/demos/radial-test.c @@ -1,7 +1,7 @@ #include "../test/utils.h" #include "gtk-utils.h" -#define NUM_GRADIENTS 7 +#define NUM_GRADIENTS 9 #define NUM_STOPS 3 #define NUM_REPEAT 4 #define SIZE 128 @@ -28,6 +28,9 @@ * centers (0, 0) and (1, 0), but with different radiuses. From left * to right: * + * - Degenerate start circle completely inside the end circle + * 0.00 -> 1.75; dr = 1.75 > 0; a = 1 - 1.75^2 < 0 + * * - Small start circle completely inside the end circle * 0.25 -> 1.75; dr = 1.5 > 0; a = 1 - 1.50^2 < 0 * @@ -49,15 +52,20 @@ * - Small end circle completely inside the start circle * 1.75 -> 0.25; dr = -1.5 > 0; a = 1 - 1.50^2 < 0 * + * - Degenerate end circle completely inside the start circle + * 0.00 -> 1.75; dr = 1.75 > 0; a = 1 - 1.75^2 < 0 + * */ const static double radiuses[NUM_GRADIENTS] = { + 0.00, 0.25, 0.50, 0.50, 1.00, 1.00, 1.50, + 1.75, 1.75 }; @@ -139,6 +147,8 @@ main (int argc, char **argv) WIDTH, HEIGHT, NULL, 0); + draw_checkerboard (dest_img, 25, 0xffaaaaaa, 0xffbbbbbb); + pixman_transform_init_identity (&transform); /* |