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Diffstat (limited to 'Tests/FindGTK2/cairo/main.c')
-rw-r--r-- | Tests/FindGTK2/cairo/main.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Tests/FindGTK2/cairo/main.c b/Tests/FindGTK2/cairo/main.c new file mode 100644 index 0000000..1b61001 --- /dev/null +++ b/Tests/FindGTK2/cairo/main.c @@ -0,0 +1,52 @@ +/* Taken from http://cairographics.org/samples/ */ + + +#include <cairo.h> +#include <math.h> +#include <stdio.h> + +int main(int argc, char *argv[]) +{ + char *filename; + if (argc != 2) + { + fprintf (stderr, "Usage: %s OUTPUT_FILENAME\n", argv[0]); + return 1; + } + filename = argv[1]; + double xc = 128.0; + double yc = 128.0; + double radius = 100.0; + double angle1 = 45.0 * (M_PI/180.0); /* angles are specified */ + double angle2 = 180.0 * (M_PI/180.0); /* in radians */ + + cairo_surface_t *im = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, xc * 2, yc * 2); + cairo_t *cr = cairo_create(im); + + + cairo_set_line_width (cr, 10.0); + cairo_arc (cr, xc, yc, radius, angle1, angle2); + cairo_stroke (cr); + + /* draw helping lines */ + cairo_set_source_rgba (cr, 1, 0.2, 0.2, 0.6); + cairo_set_line_width (cr, 6.0); + + cairo_arc (cr, xc, yc, 10.0, 0, 2*M_PI); + cairo_fill (cr); + + cairo_arc (cr, xc, yc, radius, angle1, angle1); + cairo_line_to (cr, xc, yc); + cairo_arc (cr, xc, yc, radius, angle2, angle2); + cairo_line_to (cr, xc, yc); + cairo_stroke (cr); + + cairo_status_t status = cairo_surface_write_to_png (im, filename); + cairo_surface_destroy (im); + if (status != CAIRO_STATUS_SUCCESS) { + fprintf(stderr, "Could not save png to '%s'\n", filename); + } + + cairo_destroy(cr); + return 0; +} |