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authorsanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
committersanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
commit530ffd0b7d3c39757b20f00716e486b5caf89aff (patch)
tree76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/record-replay-extend.c
parent3dbe9332e47c143a237db12440f134caebd1cfbe (diff)
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/record-replay-extend.c')
-rw-r--r--libs/cairo-1.16.0/test/record-replay-extend.c227
1 files changed, 227 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/record-replay-extend.c b/libs/cairo-1.16.0/test/record-replay-extend.c
new file mode 100644
index 0000000..4a41233
--- /dev/null
+++ b/libs/cairo-1.16.0/test/record-replay-extend.c
@@ -0,0 +1,227 @@
+/*
+ * Copyright © 2016 Adrian Johnson
+ *
+ * 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.
+ *
+ * Authors:
+ * Adrian Johnson <ajohnson@redneon.com>
+ */
+
+#include "cairo-test.h"
+#include <stdio.h>
+#include <math.h>
+
+#define PAT_SIZE 32
+#define REPLAY_SIZE (PAT_SIZE*4)
+#define PAD 10
+#define WIDTH (REPLAY_SIZE*4 + PAD*5)
+#define HEIGHT (REPLAY_SIZE + PAD*2)
+
+/* Test replaying a recording surface pattern for each type of extend. */
+
+static void
+transform_extents(cairo_rectangle_t *extents, cairo_matrix_t *mat)
+{
+ double x1, y1, x2, y2, x, y;
+
+#define UPDATE_BBOX \
+ x1 = x < x1 ? x : x1; \
+ y1 = y < y1 ? y : y1; \
+ x2 = x > x2 ? x : x2; \
+ y2 = y > y2 ? y : y2;
+
+ x = extents->x;
+ y = extents->y;
+ cairo_matrix_transform_point (mat, &x, &y);
+ x1 = x2 = x;
+ y1 = y2 = y;
+
+ x = extents->x + extents->width;
+ y = extents->y;
+ cairo_matrix_transform_point (mat, &x, &y);
+ UPDATE_BBOX;
+
+ x = extents->x;
+ y = extents->y + extents->height;
+ cairo_matrix_transform_point (mat, &x, &y);
+ UPDATE_BBOX;
+
+ x = extents->x + extents->width;
+ y = extents->y + extents->height;
+ cairo_matrix_transform_point (mat, &x, &y);
+ UPDATE_BBOX;
+
+ extents->x = x1;
+ extents->y = y1;
+ extents->width = x2 - extents->x;
+ extents->height = y2 - extents->y;
+
+#undef UPDATE_BBOX
+}
+
+static cairo_pattern_t *
+create_pattern (cairo_matrix_t *mat, cairo_extend_t extend)
+{
+ cairo_surface_t *surf;
+ cairo_pattern_t *pat;
+ cairo_t *cr;
+ cairo_rectangle_t extents = { 0, 0, PAT_SIZE, PAT_SIZE };
+
+ transform_extents (&extents, mat);
+ surf = cairo_recording_surface_create (CAIRO_CONTENT_COLOR_ALPHA, &extents);
+
+ cr = cairo_create (surf);
+ cairo_transform (cr, mat);
+
+ cairo_rectangle (cr, 0, 0, PAT_SIZE/2, PAT_SIZE/2);
+ cairo_set_source_rgb (cr, 1, 0, 0);
+ cairo_fill (cr);
+
+ cairo_translate (cr, PAT_SIZE/2, 0);
+ cairo_rectangle (cr, 0, 0, PAT_SIZE/2, PAT_SIZE/2);
+ cairo_set_source_rgb (cr, 0, 1, 0);
+ cairo_fill (cr);
+
+ cairo_translate (cr, 0, PAT_SIZE/2);
+ cairo_rectangle (cr, 0, 0, PAT_SIZE/2, PAT_SIZE/2);
+ cairo_set_source_rgb (cr, 0, 0, 1);
+ cairo_fill (cr);
+
+ cairo_translate (cr, -PAT_SIZE/2, 0);
+ cairo_rectangle (cr, 0, 0, PAT_SIZE/2, PAT_SIZE/2);
+ cairo_set_source_rgb (cr, 1, 1, 0);
+ cairo_fill (cr);
+
+ cairo_destroy (cr);
+
+ pat = cairo_pattern_create_for_surface (surf);
+ cairo_surface_destroy (surf);
+ cairo_pattern_set_matrix (pat, mat);
+ cairo_pattern_set_extend (pat, extend);
+ cairo_pattern_set_filter (pat, CAIRO_FILTER_NEAREST);
+
+ return pat;
+}
+
+static cairo_test_status_t
+record_replay_extend (cairo_t *cr, int width, int height, cairo_extend_t extend)
+{
+ cairo_pattern_t *pat;
+ cairo_matrix_t mat;
+
+ /* record surface extents (-PAT_SIZE/2, -PAT_SIZE/2) to (PAT_SIZE/2, PAT_SIZE/2) */
+ cairo_translate (cr, PAD, PAD);
+ cairo_matrix_init_translate (&mat, -PAT_SIZE/2, -PAT_SIZE/2);
+ pat = create_pattern (&mat, extend);
+
+ /* test repeating patterns when the source is outside of the target clip */
+ if (extend == CAIRO_EXTEND_REPEAT || extend == CAIRO_EXTEND_REFLECT) {
+ cairo_matrix_init_translate (&mat, 3*PAT_SIZE/2, 3*PAT_SIZE/2);
+ cairo_pattern_set_matrix (pat, &mat);
+ }
+
+ cairo_set_source (cr, pat);
+ cairo_pattern_destroy (pat);
+ cairo_rectangle (cr, 0, 0, REPLAY_SIZE, REPLAY_SIZE);
+ cairo_fill (cr);
+
+ /* record surface extents (-2*PAT_SIZE/2, -2*PAT_SIZE/2) to (2*PAT_SIZE/2, 2*PAT_SIZE/2) */
+ cairo_translate (cr, REPLAY_SIZE + PAD, 0);
+ cairo_matrix_init_translate (&mat, -2.0*PAT_SIZE/2, -2.0*PAT_SIZE/2);
+ cairo_matrix_scale (&mat, 2, 2);
+ pat = create_pattern (&mat, extend);
+ cairo_set_source (cr, pat);
+ cairo_pattern_destroy (pat);
+ cairo_rectangle (cr, 0, 0, REPLAY_SIZE, REPLAY_SIZE);
+ cairo_fill (cr);
+
+ /* record surface extents (-0.5*PAT_SIZE/2, -0.5*PAT_SIZE/2) to (0.5*PAT_SIZE/2, 0.5*PAT_SIZE/2) */
+ cairo_translate (cr, REPLAY_SIZE + PAD, 0);
+ cairo_matrix_init_translate (&mat, -0.5*PAT_SIZE/2, -0.5*PAT_SIZE/2);
+ cairo_matrix_scale (&mat, 0.5, 0.5);
+ pat = create_pattern (&mat, extend);
+ cairo_set_source (cr, pat);
+ cairo_pattern_destroy (pat);
+ cairo_rectangle (cr, 0, 0, REPLAY_SIZE, REPLAY_SIZE);
+ cairo_fill (cr);
+
+ /* record surface centered on (0,0) and rotated 45 deg */
+ cairo_translate (cr, REPLAY_SIZE + PAD, 0);
+ cairo_matrix_init_translate (&mat, -PAT_SIZE/sqrt(2), -PAT_SIZE/sqrt(2));
+ cairo_matrix_rotate (&mat, M_PI/4.0);
+ cairo_matrix_translate (&mat, PAT_SIZE/2, -PAT_SIZE/2);
+ pat = create_pattern (&mat, extend);
+ cairo_set_source (cr, pat);
+ cairo_pattern_destroy (pat);
+ cairo_rectangle (cr, 0, 0, REPLAY_SIZE, REPLAY_SIZE);
+ cairo_fill (cr);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+record_replay_extend_none (cairo_t *cr, int width, int height)
+{
+ return record_replay_extend (cr, width, height, CAIRO_EXTEND_NONE);
+}
+
+static cairo_test_status_t
+record_replay_extend_repeat (cairo_t *cr, int width, int height)
+{
+ return record_replay_extend (cr, width, height, CAIRO_EXTEND_REPEAT);
+}
+
+static cairo_test_status_t
+record_replay_extend_reflect (cairo_t *cr, int width, int height)
+{
+ return record_replay_extend (cr, width, height, CAIRO_EXTEND_REFLECT);
+}
+
+static cairo_test_status_t
+record_replay_extend_pad (cairo_t *cr, int width, int height)
+{
+ return record_replay_extend (cr, width, height, CAIRO_EXTEND_PAD);
+}
+
+CAIRO_TEST (record_replay_extend_none,
+ "Paint recording pattern with CAIRO_EXTEND_NONE",
+ "record,pattern,extend", /* keywords */
+ NULL, /* requirements */
+ WIDTH, HEIGHT,
+ NULL, record_replay_extend_none)
+CAIRO_TEST (record_replay_extend_repeat,
+ "Paint recording pattern with CAIRO_EXTEND_REPEAT",
+ "record,pattern,extend", /* keywords */
+ NULL, /* requirements */
+ WIDTH, HEIGHT,
+ NULL, record_replay_extend_repeat)
+CAIRO_TEST (record_replay_extend_reflect,
+ "Paint recording pattern with CAIRO_EXTEND_REFLECT",
+ "record,pattern,extend", /* keywords */
+ NULL, /* requirements */
+ WIDTH, HEIGHT,
+ NULL, record_replay_extend_reflect)
+CAIRO_TEST (record_replay_extend_pad,
+ "Paint recording pattern with CAIRO_EXTEND_PAD",
+ "record,pattern,extend", /* keywords */
+ NULL, /* requirements */
+ WIDTH, HEIGHT,
+ NULL, record_replay_extend_pad)