test: Exercise extend modes with recording patterns

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

test/Makefile.refs

@@ -1008,6 +1008,14 @@ REFERENCE_IMAGES = \
 	record-select-font-face.ref.png \
 	record-self-intersecting.ref.png \
 	record-text-transform.ref.png \
+	recording-surface-extend-none.argb32.ref.png \
+	recording-surface-extend-none.rgb24.ref.png \
+	recording-surface-extend-pad.argb32.ref.png \
+	recording-surface-extend-pad.rgb24.ref.png \
+	recording-surface-extend-reflect.argb32.ref.png \
+	recording-surface-extend-reflect.rgb24.ref.png \
+	recording-surface-extend-repeat.argb32.ref.png \
+	recording-surface-extend-repeat.rgb24.ref.png \
 	recording-surface-over.gl.argb32.ref.png \
 	recording-surface-over.image16.ref.png \
 	recording-surface-over.pdf.argb32.ref.png \

test/Makefile.sources

@@ -224,6 +224,7 @@ test_sources = \
 	random-intersections-curves-nz.c		\
 	record.c					\
 	recording-surface-pattern.c			\
+	recording-surface-extend.c			\
 	rectangle-rounding-error.c			\
 	rectilinear-fill.c				\
 	rectilinear-grid.c				\

test/recording-surface-extend.c

@@ -0,0 +1,174 @@
+/*
+ * Copyright © 2007 Adrian Johnson
+ * Copyright © 2011 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.
+ *
+ * Authors:
+ * 	Adrian Johnson <ajohnson@redneon.com>
+ * 	Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-test.h"
+
+#define PAT_WIDTH  120
+#define PAT_HEIGHT 120
+#define SIZE (PAT_WIDTH*2)
+#define PAD 2
+#define WIDTH (PAD + SIZE + PAD)
+#define HEIGHT WIDTH
+
+
+/* This test is designed to test painting a recording surface pattern with
+ * CAIRO_EXTEND_NONE and a non identity pattern matrix.
+ */
+static cairo_pattern_t *create_pattern (cairo_t *target)
+{
+    cairo_surface_t *surface;
+    cairo_pattern_t *pattern;
+    cairo_t *cr;
+
+    surface = cairo_surface_create_similar (cairo_get_group_target (target),
+					    CAIRO_CONTENT_COLOR_ALPHA,
+					    PAT_WIDTH, PAT_HEIGHT);
+    cr = cairo_create (surface);
+    cairo_surface_destroy (surface);
+
+    cairo_set_source_rgba (cr, 1, 0, 1, 0.5);
+    cairo_rectangle (cr, PAT_WIDTH/6.0, PAT_HEIGHT/6.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0);
+    cairo_fill (cr);
+
+    cairo_set_source_rgba (cr, 0, 1, 1, 0.5);
+    cairo_rectangle (cr, PAT_WIDTH/2.0, PAT_HEIGHT/2.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0);
+    cairo_fill (cr);
+
+    cairo_set_line_width (cr, 1);
+    cairo_move_to (cr, PAT_WIDTH/6.0, 0);
+    cairo_line_to (cr, 0, 0);
+    cairo_line_to (cr, 0, PAT_HEIGHT/6.0);
+    cairo_set_source_rgb (cr, 1, 0, 0);
+    cairo_stroke (cr);
+    cairo_move_to (cr, PAT_WIDTH/6.0, PAT_HEIGHT);
+    cairo_line_to (cr, 0, PAT_HEIGHT);
+    cairo_line_to (cr, 0, 5*PAT_HEIGHT/6.0);
+    cairo_set_source_rgb (cr, 0, 1, 0);
+    cairo_stroke (cr);
+    cairo_move_to (cr, 5*PAT_WIDTH/6.0, 0);
+    cairo_line_to (cr, PAT_WIDTH, 0);
+    cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/6.0);
+    cairo_set_source_rgb (cr, 0, 0, 1);
+    cairo_stroke (cr);
+    cairo_move_to (cr, 5*PAT_WIDTH/6.0, PAT_HEIGHT);
+    cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT);
+    cairo_line_to (cr, PAT_WIDTH, 5*PAT_HEIGHT/6.0);
+    cairo_set_source_rgb (cr, 1, 1, 0);
+    cairo_stroke (cr);
+
+    cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
+    cairo_set_line_width (cr, PAT_WIDTH/10.0);
+
+    cairo_move_to (cr, 0,         PAT_HEIGHT/4.0);
+    cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/4.0);
+    cairo_stroke (cr);
+
+    cairo_move_to (cr, PAT_WIDTH/4.0,         0);
+    cairo_line_to (cr, PAT_WIDTH/4.0, PAT_WIDTH);
+    cairo_stroke (cr);
+
+    pattern = cairo_pattern_create_for_surface (cairo_get_target (cr));
+    cairo_destroy (cr);
+
+    return pattern;
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, cairo_extend_t extend)
+{
+    cairo_pattern_t *pattern;
+    cairo_matrix_t   mat;
+
+    cairo_translate (cr, PAD, PAD);
+
+    pattern = create_pattern (cr);
+
+    cairo_matrix_init_identity (&mat);
+    cairo_matrix_scale (&mat, 2, 1.5);
+    cairo_matrix_rotate (&mat, 1);
+    cairo_matrix_translate (&mat, -PAT_WIDTH/4.0, -PAT_WIDTH/2.0);
+    cairo_pattern_set_matrix (pattern, &mat);
+    cairo_pattern_set_extend (pattern, extend);
+
+    cairo_set_source (cr, pattern);
+    cairo_paint (cr);
+
+    cairo_pattern_destroy (pattern);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+none (cairo_t *cr, int width, int height)
+{
+    return draw (cr, CAIRO_EXTEND_NONE);
+}
+
+static cairo_test_status_t
+repeat (cairo_t *cr, int width, int height)
+{
+    return draw (cr, CAIRO_EXTEND_REPEAT);
+}
+
+static cairo_test_status_t
+reflect (cairo_t *cr, int width, int height)
+{
+    return draw (cr, CAIRO_EXTEND_REFLECT);
+}
+
+static cairo_test_status_t
+pad (cairo_t *cr, int width, int height)
+{
+    return draw (cr, CAIRO_EXTEND_PAD);
+}
+
+CAIRO_TEST (recording_surface_extend_none,
+	    "Paint recording surface pattern with extend modes",
+	    "recording, extend", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, none)
+CAIRO_TEST (recording_surface_extend_repeat,
+	    "Paint recording surface pattern with extend modes",
+	    "recording, extend", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, repeat)
+CAIRO_TEST (recording_surface_extend_reflect,
+	    "Paint recording surface pattern with extend modes",
+	    "recording, extend", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, reflect)
+CAIRO_TEST (recording_surface_extend_pad,
+	    "Paint recording surface pattern with extend modes",
+	    "recording, extend", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, pad)