summaryrefslogtreecommitdiff
path: root/test/mask.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/mask.c')
-rw-r--r--test/mask.c246
1 files changed, 0 insertions, 246 deletions
diff --git a/test/mask.c b/test/mask.c
deleted file mode 100644
index 89f4c3cc2..000000000
--- a/test/mask.c
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * Copyright © 2005 Red Hat, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without
- * fee, provided that the above copyright notice appear in all copies
- * and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of
- * Red Hat, Inc. not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission. Red Hat, Inc. makes no representations about the
- * suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
- * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Authors: Owen Taylor <otaylor@redhat.com>
- * Kristian Høgsberg <krh@redhat.com>
- */
-
-#include "cairo-test.h"
-#include <math.h>
-#include <stdio.h>
-
-#define WIDTH 16
-#define HEIGHT 16
-#define PAD 2
-
-static const char *png_filename = "romedalen.png";
-static cairo_surface_t *image;
-
-static void
-set_solid_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y)
-{
- cairo_set_source_rgb (cr, 0, 0, 0.6);
-}
-
-static void
-set_translucent_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y)
-{
- cairo_set_source_rgba (cr, 0, 0, 0.6, 0.5);
-}
-
-static void
-set_gradient_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y)
-{
- cairo_pattern_t *pattern;
-
- pattern =
- cairo_pattern_create_linear (x, y, x + WIDTH, y + HEIGHT);
- cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 1, 1, 1);
- cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 0, 0.4, 1);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
-}
-
-static void
-set_image_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y)
-{
- cairo_pattern_t *pattern;
-
- if (image == NULL || cairo_surface_status (image)) {
- cairo_surface_destroy (image);
- image = cairo_test_create_surface_from_png (ctx, png_filename);
- }
-
- pattern = cairo_pattern_create_for_surface (image);
- cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
-}
-
-static void
-mask_polygon (cairo_t *cr, int x, int y)
-{
- cairo_surface_t *mask_surface;
- cairo_t *cr2;
-
- mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr),
- CAIRO_CONTENT_ALPHA,
- WIDTH, HEIGHT);
- cr2 = cairo_create (mask_surface);
- cairo_surface_destroy (mask_surface);
-
- cairo_save (cr2);
- cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR);
- cairo_paint (cr2);
- cairo_restore (cr2);
-
- cairo_set_source_rgb (cr2, 1, 1, 1); /* white */
-
- cairo_new_path (cr2);
- cairo_move_to (cr2, 0, 0);
- cairo_line_to (cr2, 0, HEIGHT);
- cairo_line_to (cr2, WIDTH / 2, 3 * HEIGHT / 4);
- cairo_line_to (cr2, WIDTH, HEIGHT);
- cairo_line_to (cr2, WIDTH, 0);
- cairo_line_to (cr2, WIDTH / 2, HEIGHT / 4);
- cairo_close_path (cr2);
- cairo_fill (cr2);
-
- cairo_mask_surface (cr, cairo_get_target (cr2), x, y);
- cairo_destroy (cr2);
-}
-
-static void
-mask_alpha (cairo_t *cr, int x, int y)
-{
- cairo_paint_with_alpha (cr, 0.75);
-}
-
-static void
-mask_gradient (cairo_t *cr, int x, int y)
-{
- cairo_pattern_t *pattern;
-
- pattern = cairo_pattern_create_linear (x, y,
- x + WIDTH, y + HEIGHT);
-
- cairo_pattern_add_color_stop_rgba (pattern,
- 0,
- 1, 1, 1, 1);
- cairo_pattern_add_color_stop_rgba (pattern,
- 1,
- 1, 1, 1, 0);
-
- cairo_mask (cr, pattern);
-
- cairo_pattern_destroy (pattern);
-}
-
-static void
-clip_none (cairo_t *cr, int x, int y)
-{
-}
-
-static void
-clip_rects (cairo_t *cr, int x, int y)
-{
- int height = HEIGHT / 3;
-
- cairo_new_path (cr);
- cairo_rectangle (cr, x, y, WIDTH, height);
- cairo_rectangle (cr, x, y + 2 * height, WIDTH, height);
- cairo_clip (cr);
-}
-
-static void
-clip_circle (cairo_t *cr, int x, int y)
-{
- cairo_new_path (cr);
- cairo_arc (cr, x + WIDTH / 2, y + HEIGHT / 2,
- WIDTH / 2, 0, 2 * M_PI);
- cairo_clip (cr);
- cairo_new_path (cr);
-}
-
-static void (* const pattern_funcs[])(const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) = {
- set_solid_pattern,
- set_translucent_pattern,
- set_gradient_pattern,
- set_image_pattern,
-};
-
-static void (* const mask_funcs[])(cairo_t *cr, int x, int y) = {
- mask_alpha,
- mask_gradient,
- mask_polygon,
-};
-
-static void (* const clip_funcs[])(cairo_t *cr, int x, int y) = {
- clip_none,
- clip_rects,
- clip_circle,
-};
-
-#define IMAGE_WIDTH (ARRAY_LENGTH (pattern_funcs) * (WIDTH + PAD) + PAD)
-#define IMAGE_HEIGHT (ARRAY_LENGTH (mask_funcs) * ARRAY_LENGTH (clip_funcs) * (HEIGHT + PAD) + PAD)
-
-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 *tmp_surface;
- size_t i, j, k;
- cairo_t *cr2;
-
- /* Some of our drawing is unbounded, so we draw each test to
- * a temporary surface and copy over.
- */
- tmp_surface = cairo_surface_create_similar (cairo_get_group_target (cr),
- CAIRO_CONTENT_COLOR_ALPHA,
- IMAGE_WIDTH, IMAGE_HEIGHT);
- cr2 = cairo_create (tmp_surface);
- cairo_surface_destroy (tmp_surface);
-
- for (k = 0; k < ARRAY_LENGTH (clip_funcs); k++) {
- for (j = 0; j < ARRAY_LENGTH (mask_funcs); j++) {
- for (i = 0; i < ARRAY_LENGTH (pattern_funcs); i++) {
- int x = i * (WIDTH + PAD) + PAD;
- int y = (ARRAY_LENGTH (mask_funcs) * k + j) * (HEIGHT + PAD) + PAD;
-
- /* Clear intermediate surface we are going to be drawing onto */
- cairo_save (cr2);
- cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR);
- cairo_paint (cr2);
- cairo_restore (cr2);
-
- /* draw */
- cairo_save (cr2);
-
- clip_funcs[k] (cr2, x, y);
- pattern_funcs[i] (ctx, cr2, x, y);
- mask_funcs[j] (cr2, x, y);
-
- cairo_restore (cr2);
-
- /* Copy back to the main pixmap */
- cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0);
- cairo_rectangle (cr, x, y, WIDTH, HEIGHT);
- cairo_fill (cr);
- }
- }
- }
-
- cairo_destroy (cr2);
-
- cairo_surface_destroy (image);
- image = NULL;
-
- return CAIRO_TEST_SUCCESS;
-}
-
-CAIRO_TEST (mask,
- "Tests of cairo_mask",
- "mask", /* keywords */
- NULL, /* requirements */
- IMAGE_WIDTH, IMAGE_HEIGHT,
- NULL, draw)
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 16:24:37 +0000