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-rw-r--r--test/operator-source.c250
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diff --git a/test/operator-source.c b/test/operator-source.c
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-/*
- * 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: Kristian Høgsberg <krh@redhat.com>
- * Owen Taylor <otaylor@redhat.com>
- * Uli Schlachter <psychon@znc.in>
- */
-
-#include "cairo-test.h"
-#include <math.h>
-#include <stdio.h>
-
-#define WIDTH 16
-#define HEIGHT 16
-#define PAD 2
-
-static void
-set_solid_pattern (cairo_t *cr, int x, int y)
-{
- cairo_set_source_rgb (cr, 1.0, 0, 0.0);
-}
-
-static void
-set_translucent_pattern (cairo_t *cr, int x, int y)
-{
- cairo_set_source_rgba (cr, 1, 0, 0, 0.5);
-}
-
-static void
-set_gradient_pattern (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, 0.2, 1, 0, 0, 1);
- cairo_pattern_add_color_stop_rgba (pattern, 0.8, 1, 0, 0, 0.0);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
-}
-
-static void
-set_surface_pattern (cairo_t *cr, int x, int y)
-{
- cairo_surface_t *source_surface;
- cairo_t *cr2;
-
- double width = (int)(0.6 * WIDTH);
- double height = (int)(0.6 * HEIGHT);
- x += 0.2 * WIDTH;
- y += 0.2 * HEIGHT;
-
- source_surface = cairo_surface_create_similar (cairo_get_group_target (cr),
- CAIRO_CONTENT_COLOR_ALPHA,
- width, height);
- cr2 = cairo_create (source_surface);
- cairo_surface_destroy (source_surface);
-
- cairo_set_source_rgb (cr2, 1, 0, 0); /* red */
- cairo_paint (cr2);
-
- cairo_set_source_rgb (cr2, 1, 1, 1); /* white */
-
- cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.5 * height, 0, 2 * M_PI);
- cairo_fill (cr2);
-
- cairo_set_source_surface (cr, cairo_get_target (cr2), x, y);
- cairo_destroy (cr2);
-}
-
-static void
-draw_mask (cairo_t *cr, int x, int y)
-{
- cairo_surface_t *mask_surface;
- cairo_t *cr2;
-
- double width = (int)(0.9 * WIDTH);
- double height = (int)(0.9 * HEIGHT);
- x += 0.05 * WIDTH;
- y += 0.05 * HEIGHT;
-
- 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_set_source_rgb (cr2, 1, 1, 1); /* white */
-
- cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI);
- cairo_fill (cr2);
-
- cairo_mask_surface (cr, cairo_get_target (cr2), x, y);
- cairo_destroy (cr2);
-}
-
-static void
-draw_glyphs (cairo_t *cr, int x, int y)
-{
- cairo_text_extents_t extents;
-
- cairo_set_font_size (cr, 0.8 * HEIGHT);
-
- cairo_text_extents (cr, "FG", &extents);
- cairo_move_to (cr,
- x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing,
- y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing);
- cairo_show_text (cr, "FG");
-}
-
-static void
-draw_polygon (cairo_t *cr, int x, int y)
-{
- double width = (int)(0.9 * WIDTH);
- double height = (int)(0.9 * HEIGHT);
- x += 0.05 * WIDTH;
- y += 0.05 * HEIGHT;
-
- cairo_new_path (cr);
- cairo_move_to (cr, x, y);
- cairo_line_to (cr, x, y + height);
- cairo_line_to (cr, x + width / 2, y + 3 * height / 4);
- cairo_line_to (cr, x + width, y + height);
- cairo_line_to (cr, x + width, y);
- cairo_line_to (cr, x + width / 2, y + height / 4);
- cairo_close_path (cr);
- cairo_fill (cr);
-}
-
-static void
-draw_rects (cairo_t *cr, int x, int y, double offset)
-{
- double block_width = (int)(0.33 * WIDTH + 0.5) - offset/3;
- double block_height = (int)(0.33 * HEIGHT + 0.5) - offset/3;
- int i, j;
-
- x += offset/2;
- y += offset/2;
-
- for (i = 0; i < 3; i++)
- for (j = 0; j < 3; j++)
- if ((i + j) % 2 == 0)
- cairo_rectangle (cr,
- x + block_width * i, y + block_height * j,
- block_width, block_height);
-
- cairo_fill (cr);
-}
-
-static void
-draw_aligned_rects (cairo_t *cr, int x, int y)
-{
- draw_rects (cr, x, y, 0);
-}
-
-static void
-draw_unaligned_rects (cairo_t *cr, int x, int y)
-{
- draw_rects (cr, x, y, 2.1);
-}
-
-static void (* const pattern_funcs[])(cairo_t *cr, int x, int y) = {
- set_solid_pattern,
- set_translucent_pattern,
- set_gradient_pattern,
- set_surface_pattern,
-};
-
-static void (* const draw_funcs[])(cairo_t *cr, int x, int y) = {
- draw_mask,
- draw_glyphs,
- draw_polygon,
- draw_aligned_rects,
- draw_unaligned_rects
-};
-
-#define IMAGE_WIDTH (ARRAY_LENGTH (pattern_funcs) * (WIDTH + PAD) + PAD)
-#define IMAGE_HEIGHT (ARRAY_LENGTH (draw_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);
- size_t i, j, x, y;
- cairo_pattern_t *pattern;
-
- cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
- CAIRO_FONT_SLANT_NORMAL,
- CAIRO_FONT_WEIGHT_NORMAL);
-
- for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) {
- for (i = 0; i < ARRAY_LENGTH (pattern_funcs); i++) {
- x = i * (WIDTH + PAD) + PAD;
- y = j * (HEIGHT + PAD) + PAD;
-
- cairo_save (cr);
-
- pattern = cairo_pattern_create_linear (x + WIDTH, y,
- x, y + HEIGHT);
- cairo_pattern_add_color_stop_rgba (pattern, 0.2,
- 0.0, 0.0, 1.0, 1.0); /* Solid blue */
- cairo_pattern_add_color_stop_rgba (pattern, 0.8,
- 0.0, 0.0, 1.0, 0.0); /* Transparent blue */
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
-
- cairo_rectangle (cr, x, y, WIDTH, HEIGHT);
- cairo_fill_preserve (cr);
- cairo_clip (cr);
-
- cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
- pattern_funcs[i] (cr, x, y);
- draw_funcs[j] (cr, x, y);
- if (cairo_status (cr))
- cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j);
-
- cairo_restore (cr);
- }
- }
-
- if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
- cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j);
-
- return CAIRO_TEST_SUCCESS;
-}
-
-CAIRO_TEST (operator_source,
- "Test of CAIRO_OPERATOR_SOURCE",
- "operator", /* keywords */
- NULL, /* requirements */
- IMAGE_WIDTH, IMAGE_HEIGHT,
- NULL, draw)