static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_format_t format = CAIRO_FORMAT_ARGB32;
cairo_t *cr_src;
cairo_surface_t *png, *src;
uint8_t *data;
int stride;
png = cairo_test_create_surface_from_png (ctx, png_filename);
stride = cairo_format_stride_for_width (format, width) + 12;
data = xcalloc (stride, height);
src = cairo_image_surface_create_for_data (data, format,
width, height, stride);
cr_src = cairo_create (src);
cairo_set_source_surface (cr_src, png, 0, 0);
cairo_paint (cr_src);
cairo_destroy (cr_src);
cairo_set_source_surface (cr, src, 0, 0);
cairo_paint (cr);
cairo_surface_destroy (png);
cairo_surface_finish (src);
cairo_surface_destroy (src);
free (data);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *image;
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
image = cairo_test_create_surface_from_png (ctx, png_filename);
cairo_set_source_surface (cr, image, 0, 0);
/* simple clip */
cairo_save (cr);
cairo_rectangle (cr, 2, 2, 16, 16);
cairo_clip (cr);
cairo_paint (cr);
cairo_restore (cr);
cairo_translate (cr, WIDTH, 0);
/* unaligned clip */
cairo_save (cr);
cairo_rectangle (cr, 2.5, 2.5, 15, 15);
cairo_clip (cr);
cairo_paint (cr);
cairo_restore (cr);
cairo_translate (cr, -WIDTH, HEIGHT);
/* aligned-clip */
cairo_save (cr);
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_rectangle (cr, 0, 0, 20, 20);
cairo_rectangle (cr, 3, 3, 10, 10);
cairo_rectangle (cr, 7, 7, 10, 10);
cairo_clip (cr);
cairo_paint (cr);
cairo_restore (cr);
cairo_translate (cr, WIDTH, 0);
/* force a clip-mask */
cairo_save (cr);
cairo_arc (cr, 10, 10, 10, 0, 2 * M_PI);
cairo_new_sub_path (cr);
cairo_arc_negative (cr, 10, 10, 5, 2 * M_PI, 0);
cairo_new_sub_path (cr);
cairo_arc (cr, 10, 10, 2, 0, 2 * M_PI);
cairo_clip (cr);
cairo_paint (cr);
cairo_restore (cr);
return CAIRO_TEST_SUCCESS;
}
static void
draw_image (const cairo_test_context_t *ctx, cairo_t *cr)
{
cairo_surface_t *surface, *similar;
surface = cairo_test_create_surface_from_png (ctx, png_filename);
similar = clone_similar_surface (cairo_get_group_target (cr), surface);
cairo_surface_destroy (surface);
cairo_set_source_surface (cr, similar, 0, 0);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
cairo_surface_destroy (similar);
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *surface;
surface = cairo_test_create_surface_from_png (ctx, png_filename);
cairo_set_source_surface (cr, surface, 32, 32);
cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT);
cairo_paint (cr);
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
cairo_pattern_t *
cairo_test_create_pattern_from_png (const char *filename)
{
cairo_surface_t *image;
cairo_pattern_t *pattern;
image = cairo_test_create_surface_from_png (filename);
pattern = cairo_pattern_create_for_surface (image);
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
cairo_surface_destroy (image);
return pattern;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
cairo_surface_t *similar;
surface = cairo_test_create_surface_from_png (png_filename);
similar = clone_similar_surface (cairo_get_group_target (cr), surface);
cairo_set_source_surface (cr, similar, 32, 32);
cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT);
cairo_paint (cr);
cairo_surface_destroy (similar);
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *image, *mask;
image = cairo_test_create_surface_from_png (ctx, png_filename);
mask = create_mask (cr, 40, 40);
/* opaque background */
cairo_paint (cr);
/* center */
cairo_translate (cr,
(width - cairo_image_surface_get_width (image)) / 2.,
(height - cairo_image_surface_get_height (image)) / 2.);
/* rotate 30 degree around the center */
cairo_translate (cr, width/2., height/2.);
cairo_rotate (cr, -30 * 2 * M_PI / 360);
cairo_translate (cr, -width/2., -height/2.);
/* place the image on our surface */
cairo_set_source_surface (cr, image, 0, 0);
/* reset the drawing matrix */
cairo_identity_matrix (cr);
/* fill nicely */
cairo_scale (cr, width / 40., height / 40.);
/* apply the mask */
cairo_mask_surface (cr, mask, 0, 0);
cairo_surface_destroy (mask);
cairo_surface_destroy (image);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *image;
image = cairo_test_create_surface_from_png (ctx, png_filename);
cairo_set_source_rgba (cr, 0, 0, 0, 1);
cairo_rectangle (cr, 0, 0, SIZE, SIZE);
cairo_fill (cr);
cairo_translate (cr, OFFSET, OFFSET);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface (cr, image, 0, 0);
cairo_rectangle (cr, 0, 0, SIZE - OFFSET, SIZE - OFFSET);
cairo_fill (cr);
cairo_surface_destroy (image);
return CAIRO_TEST_SUCCESS;
}
/* Draw an image scaled down, with antialiasing disabled */
static cairo_test_status_t
draw (cairo_t *cr, int width, int height, cairo_filter_t filter)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *image;
double x_scale, y_scale, scale;
cairo_set_source_rgb (cr, 1, 1, 1);
image = cairo_test_create_surface_from_png (ctx, png_filename);
x_scale = width * 1.0 / cairo_image_surface_get_width (image);
y_scale = height * 1.0 / cairo_image_surface_get_height (image);
scale = x_scale < y_scale ? x_scale : y_scale;
cairo_save (cr);
cairo_scale (cr, scale, scale);
cairo_set_source_surface (cr, image, 0, 0);
cairo_pattern_set_filter (cairo_get_source (cr), filter);
cairo_paint (cr);
cairo_restore (cr);
cairo_surface_destroy (image);
return CAIRO_TEST_SUCCESS;
}
