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diff --git a/test/partial-coverage.c b/test/partial-coverage.c
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+/*
+ * Copyright 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-test.h"
+
+/* Test the sampling stratagems of the rasterisers by creating pixels
+ * containing minute holes and seeing how close to the expected
+ * coverage each rasteriser approaches.
+ */
+
+#define SIZE 64
+
+#include "../src/cairo-fixed-type-private.h"
+#define SAMPLE (1 << CAIRO_FIXED_FRAC_BITS)
+
+static uint32_t state;
+
+static uint32_t
+hars_petruska_f54_1_random (void)
+{
+#define rol(x,k) ((x << k) | (x >> (32-k)))
+ return state = (state ^ rol (state, 5) ^ rol (state, 24)) + 0x37798849;
+#undef rol
+}
+
+static double
+uniform_random (void)
+{
+ return hars_petruska_f54_1_random() / (double) UINT32_MAX;
+}
+
+/* coverage is given in [0,sample] */
+static void
+compute_occupancy (uint8_t *occupancy, int coverage, int sample)
+{
+ int i, c;
+
+ if (coverage < sample/2) {
+ memset (occupancy, 0, sample);
+ if (coverage == 0)
+ return;
+
+ for (i = c = 0; i < sample; i++) {
+ if ((sample - i) * uniform_random() < coverage - c) {
+ occupancy[i] = 0xff;
+ if (++c == coverage)
+ return;
+ }
+ }
+ } else {
+ coverage = sample - coverage;
+ memset (occupancy, 0xff, sample);
+ if (coverage == 0)
+ return;
+
+ for (i = c = 0; i < sample; i++) {
+ if ((sample - i) * uniform_random() < coverage - c) {
+ occupancy[i] = 0;
+ if (++c == coverage)
+ return;
+ }
+ }
+ }
+}
+
+static cairo_test_status_t
+reference (cairo_t *cr, int width, int height)
+{
+ int i;
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ cairo_set_source_rgba (cr, 1., 1., 1.,
+ i / (double) (SIZE * SIZE));
+ cairo_rectangle (cr, i % SIZE, i / SIZE, 1, 1);
+ cairo_fill (cr);
+ }
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_test_status_t
+three_quarter_reference (cairo_t *cr, int width, int height)
+{
+ int i;
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ cairo_set_source_rgba (cr, 1., 1., 1.,
+ .75 * i / (double) (SIZE * SIZE));
+ cairo_rectangle (cr, i % SIZE, i / SIZE, 1, 1);
+ cairo_fill (cr);
+ }
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_test_status_t
+half_reference (cairo_t *cr, int width, int height)
+{
+ int i;
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ cairo_set_source_rgba (cr, 1., 1., 1.,
+ .5 * i / (double) (SIZE * SIZE));
+ cairo_rectangle (cr, i % SIZE, i / SIZE, 1, 1);
+ cairo_fill (cr);
+ }
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_test_status_t
+rectangles (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE*SAMPLE; j++) {
+ if (occupancy[j]) {
+ cairo_rectangle (cr,
+ (j % SAMPLE + xs) / (double) SAMPLE,
+ (j / SAMPLE + ys) / (double) SAMPLE,
+ 1 / (double) SAMPLE,
+ 1 / (double) SAMPLE);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+intersecting_quads (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE*SAMPLE; j++) {
+ if (occupancy[j]) {
+ cairo_move_to (cr,
+ (j % SAMPLE + xs) / (double) SAMPLE,
+ (j / SAMPLE + ys) / (double) SAMPLE);
+ cairo_rel_line_to (cr, 1 / (double) SAMPLE, 1 / (double) SAMPLE);
+ cairo_rel_line_to (cr, 0, -1 / (double) SAMPLE);
+ cairo_rel_line_to (cr, -1 / (double) SAMPLE, 1 / (double) SAMPLE);
+ cairo_close_path (cr);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+half_triangles (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE*SAMPLE; j++) {
+ if (occupancy[j]) {
+ int x = j % SAMPLE + xs;
+ int y = j / SAMPLE + ys;
+ cairo_move_to (cr, x / (double) SAMPLE, y / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, y / (double) SAMPLE);
+ cairo_close_path (cr);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+overlap_half_triangles (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE/2*SAMPLE/2 * i / (SIZE * SIZE), SAMPLE/2*SAMPLE/2);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE/2*SAMPLE/2; j++) {
+ if (occupancy[j]) {
+ int x = 2 * (j % (SAMPLE/2)) + xs;
+ int y = 2 * (j / (SAMPLE/2)) + ys;
+
+ /* Add a 4-tile composed of two overlapping triangles.
+ * .__.__.
+ * |\ /|
+ * | \ / |
+ * . x |
+ * | / \ |
+ * |/ \|
+ * . .
+ *
+ * Coverage should be computable as 50% (due to counter-winding).
+ */
+
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x) / (double) SAMPLE, (y+2) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y+2) / (double) SAMPLE);
+ cairo_close_path (cr);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+overlap_half_triangles_eo (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE/2*SAMPLE/2 * i / (SIZE * SIZE), SAMPLE/2*SAMPLE/2);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE/2*SAMPLE/2; j++) {
+ if (occupancy[j]) {
+ int x = 2 * (j % (SAMPLE/2)) + xs;
+ int y = 2 * (j / (SAMPLE/2)) + ys;
+
+ /* Add a 4-tile composed of two overlapping triangles.
+ * .__.__.
+ * |\ /|
+ * | \ / |
+ * . x |
+ * | / \ |
+ * |/ \|
+ * . .
+ *
+ * Coverage should be computable as 50%, due to even-odd fill rule.
+ */
+
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x) / (double) SAMPLE, (y+2) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y+2) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+overlap_three_quarter_triangles (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE/2*SAMPLE/2 * i / (SIZE * SIZE), SAMPLE/2*SAMPLE/2);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE/2*SAMPLE/2; j++) {
+ if (occupancy[j]) {
+ int x = 2 * (j % (SAMPLE/2)) + xs;
+ int y = 2 * (j / (SAMPLE/2)) + ys;
+
+ /* Add a 4-tile composed of two overlapping triangles.
+ * .__.__.
+ * |\ /|
+ * | \ / |
+ * . x |
+ * | / \ |
+ * |/ \|
+ * . .
+ *
+ * Coverage should be computable as 75%.
+ */
+
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x) / (double) SAMPLE, (y+2) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y+2) / (double) SAMPLE);
+ cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+triangles (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE*SAMPLE; j++) {
+ if (occupancy[j]) {
+ /* Add a tile composed of two non-overlapping triangles.
+ * .__.
+ * | /|
+ * |/ |
+ * .--.
+ */
+ int x = j % SAMPLE + xs;
+ int y = j / SAMPLE + ys;
+
+ /* top-left triangle */
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_close_path (cr);
+
+ /* bottom-right triangle */
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+intersecting_triangles (cairo_t *cr, int width, int height)
+{
+ uint8_t *occupancy;
+ int i, j, channel;
+
+ state = 0x12345678;
+ occupancy = xmalloc (SAMPLE*SAMPLE);
+
+ cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ for (channel = 0; channel < 3; channel++) {
+ switch (channel) {
+ default:
+ case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break;
+ case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break;
+ case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break;
+ }
+
+ for (i = 0; i < SIZE*SIZE; i++) {
+ int xs, ys;
+
+ compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE);
+
+ xs = i % SIZE * SAMPLE;
+ ys = i / SIZE * SAMPLE;
+ for (j = 0; j < SAMPLE*SAMPLE; j++) {
+ if (occupancy[j]) {
+ /* Add 2 overlapping tiles in a single cell, each composed
+ * of two non-overlapping triangles.
+ * .--. .--.
+ * | /| |\ |
+ * |/ | + | \|
+ * .--. .--.
+ */
+ int x = j % SAMPLE + xs;
+ int y = j / SAMPLE + ys;
+
+ /* first pair of triangles, diagonal bottom-left to top-right */
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_close_path (cr);
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+
+ /* second pair of triangles, diagonal top-left to bottom-right */
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_close_path (cr);
+ cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE);
+ cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_line_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE);
+ cairo_close_path (cr);
+ }
+ }
+ cairo_fill (cr);
+ }
+ }
+
+ free (occupancy);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (partial_coverage_rectangles,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, rectangles)
+
+CAIRO_TEST (partial_coverage_intersecting_quads,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, intersecting_quads)
+
+CAIRO_TEST (partial_coverage_intersecting_triangles,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, intersecting_triangles)
+CAIRO_TEST (partial_coverage_triangles,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, triangles)
+CAIRO_TEST (partial_coverage_overlap_three_quarter_triangles,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, overlap_three_quarter_triangles)
+CAIRO_TEST (partial_coverage_overlap_half_triangles_eo,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, overlap_half_triangles_eo)
+CAIRO_TEST (partial_coverage_overlap_half_triangles,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, overlap_half_triangles)
+CAIRO_TEST (partial_coverage_half_triangles,
+ "Check the fidelity of the rasterisation.",
+ "coverage, raster", /* keywords */
+ "target=raster slow", /* requirements */
+ SIZE, SIZE,
+ NULL, half_triangles)
+
+CAIRO_TEST (partial_coverage_reference,
+ "Check the fidelity of this test.",
+ "coverage, raster", /* keywords */
+ "target=raster", /* requirements */
+ SIZE, SIZE,
+ NULL, reference)
+CAIRO_TEST (partial_coverage_three_quarter_reference,
+ "Check the fidelity of this test.",
+ "coverage, raster", /* keywords */
+ "target=raster", /* requirements */
+ SIZE, SIZE,
+ NULL, three_quarter_reference)
+CAIRO_TEST (partial_coverage_half_reference,
+ "Check the fidelity of this test.",
+ "coverage, raster", /* keywords */
+ "target=raster", /* requirements */
+ SIZE, SIZE,
+ NULL, half_reference)