/*
* Copyright © 2005 Red Hat, Inc.
* Copyright © 2011 Intel Corporation
*
* 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:
* Carl D. Worth <cworth@cworth.org>
* Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
#define TEXT_SIZE 12
#define SIZE 60 /* needs to be big to check large area effects (dithering) */
#define PAD 2
#define TT_SIZE 100
#define TT_PAD 5
#define TT_FONT_SIZE 32.0
#define GENERATE_REF 0
static uint32_t data[16] = {
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff
};
static const char *png_filename = "romedalen.png";
static cairo_t *
paint (cairo_t *cr)
{
cairo_set_source_rgb (cr, 0, 0, 1);
cairo_paint (cr);
cairo_translate (cr, 2, 2);
cairo_scale (cr, 0.5, 0.5);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_paint (cr);
return cr;
}
static cairo_t *
paint_alpha (cairo_t *cr)
{
cairo_surface_t *surface;
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24, 4, 4, 16);
cairo_test_paint_checkered (cr);
cairo_scale (cr, 4, 4);
cairo_set_source_surface (cr, surface, 2 , 2);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint_with_alpha (cr, 0.5);
cairo_surface_finish (surface); /* data will go out of scope */
cairo_surface_destroy (surface);
return cr;
}
static cairo_t *
paint_alpha_solid_clip (cairo_t *cr)
{
cairo_test_paint_checkered (cr);
cairo_rectangle (cr, 2.5, 2.5, 27, 27);
cairo_clip (cr);
cairo_set_source_rgb (cr, 1., 0.,0.);
cairo_paint_with_alpha (cr, 0.5);
return cr;
}
static cairo_t *
paint_alpha_clip (cairo_t *cr)
{
cairo_surface_t *surface;
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24, 4, 4, 16);
cairo_test_paint_checkered (cr);
cairo_rectangle (cr, 10.5, 10.5, 11, 11);
cairo_clip (cr);
cairo_scale (cr, 4, 4);
cairo_set_source_surface (cr, surface, 2 , 2);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint_with_alpha (cr, 0.5);
cairo_surface_finish (surface); /* data will go out of scope */
cairo_surface_destroy (surface);
return cr;
}
static cairo_t *
paint_alpha_clip_mask (cairo_t *cr)
{
cairo_surface_t *surface;
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24, 4, 4, 16);
cairo_test_paint_checkered (cr);
cairo_move_to (cr, 16, 5);
cairo_line_to (cr, 5, 16);
cairo_line_to (cr, 16, 27);
cairo_line_to (cr, 27, 16);
cairo_clip (cr);
cairo_scale (cr, 4, 4);
cairo_set_source_surface (cr, surface, 2 , 2);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint_with_alpha (cr, 0.5);
cairo_surface_finish (surface); /* data will go out of scope */
cairo_surface_destroy (surface);
return cr;
}
static cairo_t *
select_font_face (cairo_t *cr)
{
/* We draw in the default black, so paint white first. */
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_paint (cr);
cairo_set_source_rgb (cr, 0, 0, 0); /* black */
cairo_set_font_size (cr, TEXT_SIZE);
cairo_move_to (cr, 0, TEXT_SIZE);
cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_show_text (cr, "i-am-serif");
cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_show_text (cr, " i-am-sans");
cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_show_text (cr, " i-am-mono");
return cr;
}
static cairo_t *
fill_alpha (cairo_t *cr)
{
const double alpha = 1./3;
int n;
/* flatten to white */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
/* square */
cairo_rectangle (cr, PAD, PAD, SIZE, SIZE);
cairo_set_source_rgba (cr, 1, 0, 0, alpha);
cairo_fill (cr);
/* circle */
cairo_translate (cr, SIZE + 2 * PAD, 0);
cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI);
cairo_set_source_rgba (cr, 0, 1, 0, alpha);
cairo_fill (cr);
/* triangle */
cairo_translate (cr, 0, SIZE + 2 * PAD);
cairo_move_to (cr, PAD + SIZE / 2, PAD);
cairo_line_to (cr, PAD + SIZE, PAD + SIZE);
cairo_line_to (cr, PAD, PAD + SIZE);
cairo_set_source_rgba (cr, 0, 0, 1, alpha);
cairo_fill (cr);
/* star */
cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.);
for (n = 0; n < 5; n++) {
cairo_line_to (cr,
SIZE/2 * cos (2*n * 2*M_PI / 10),
SIZE/2 * sin (2*n * 2*M_PI / 10));
cairo_line_to (cr,
SIZE/4 * cos ((2*n+1)*2*M_PI / 10),
SIZE/4 * sin ((2*n+1)*2*M_PI / 10));
}
cairo_set_source_rgba (cr, 0, 0, 0, alpha);
cairo_fill (cr);
return cr;
}
static cairo_t *
self_intersecting (cairo_t *cr)
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_translate (cr, 1.0, 1.0);
cairo_set_source_rgb (cr, 1, 0, 0); /* red */
/* First draw the desired shape with a fill */
cairo_rectangle (cr, 0.5, 0.5, 4.0, 4.0);
cairo_rectangle (cr, 3.5, 3.5, 4.0, 4.0);
cairo_rectangle (cr, 3.5, 1.5, -2.0, 2.0);
cairo_rectangle (cr, 6.5, 4.5, -2.0, 2.0);
cairo_fill (cr);
/* Then try the same thing with a stroke */
cairo_translate (cr, 0, 10);
cairo_move_to (cr, 1.0, 1.0);
cairo_rel_line_to (cr, 3.0, 0.0);
cairo_rel_line_to (cr, 0.0, 6.0);
cairo_rel_line_to (cr, 3.0, 0.0);
cairo_rel_line_to (cr, 0.0, -3.0);
cairo_rel_line_to (cr, -6.0, 0.0);
cairo_close_path (cr);
cairo_set_line_width (cr, 1.0);
cairo_stroke (cr);
return cr;
}
static void
draw_text_transform (cairo_t *cr)
{
cairo_matrix_t tm;
/* skew */
cairo_matrix_init (&tm, 1, 0,
-0.25, 1,
0, 0);
cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE);
cairo_set_font_matrix (cr, &tm);
cairo_new_path (cr);
cairo_move_to (cr, 50, TT_SIZE-TT_PAD);
cairo_show_text (cr, "A");
/* rotate and scale */
cairo_matrix_init_rotate (&tm, M_PI / 2);
cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE * 2.0);
cairo_set_font_matrix (cr, &tm);
cairo_new_path (cr);
cairo_move_to (cr, TT_PAD, TT_PAD + 25);
cairo_show_text (cr, "A");
cairo_matrix_init_rotate (&tm, M_PI / 2);
cairo_matrix_scale (&tm, TT_FONT_SIZE * 2.0, TT_FONT_SIZE);
cairo_set_font_matrix (cr, &tm);
cairo_new_path (cr);
cairo_move_to (cr, TT_PAD, TT_PAD + 50);
cairo_show_text (cr, "A");
}
static cairo_t *
text_transform (cairo_t *cr)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_pattern_t *pattern;
cairo_set_source_rgb (cr, 1., 1., 1.);
cairo_paint (cr);
cairo_set_source_rgb (cr, 0., 0., 0.);
cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
draw_text_transform (cr);
cairo_translate (cr, TT_SIZE, TT_SIZE);
cairo_rotate (cr, M_PI);
pattern = cairo_test_create_pattern_from_png (ctx, png_filename);
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
draw_text_transform (cr);
return cr;
}
/* And here begins the recording and replaying... */
static cairo_t *
record_create (cairo_t *target)
{
cairo_surface_t *surface;
cairo_t *cr;
surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
return cr;
}
static cairo_surface_t *
record_get (cairo_t *target)
{
cairo_surface_t *surface;
surface = cairo_surface_reference (cairo_get_target (target));
cairo_destroy (target);
return surface;
}
static cairo_test_status_t
record_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height)
{
cairo_surface_t *surface;
int x, y;
#if GENERATE_REF
func(cr);
#else
surface = record_get (func (record_create (cr)));
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_surface_destroy (surface);
cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE);
for (y = 0; y < height; y += 2) {
for (x = 0; x < width; x += 2) {
cairo_rectangle (cr, x, y, 2, 2);
cairo_clip (cr);
cairo_paint (cr);
cairo_reset_clip (cr);
}
}
#endif
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
record_paint (cairo_t *cr, int width, int height)
{
return record_replay (cr, paint, width, height);
}
static cairo_test_status_t
record_paint_alpha (cairo_t *cr, int width, int height)
{
return record_replay (cr, paint_alpha, width, height);
}
static cairo_test_status_t
record_paint_alpha_solid_clip (cairo_t *cr, int width, int height)
{
return record_replay (cr, paint_alpha_solid_clip, width, height);
}
static cairo_test_status_t
record_paint_alpha_clip (cairo_t *cr, int width, int height)
{
return record_replay (cr, paint_alpha_clip, width, height);
}
static cairo_test_status_t
record_paint_alpha_clip_mask (cairo_t *cr, int width, int height)
{
return record_replay (cr, paint_alpha_clip_mask, width, height);
}
static cairo_test_status_t
record_fill_alpha (cairo_t *cr, int width, int height)
{
return record_replay (cr, fill_alpha, width, height);
}
static cairo_test_status_t
record_self_intersecting (cairo_t *cr, int width, int height)
{
return record_replay (cr, self_intersecting, width, height);
}
static cairo_test_status_t
record_select_font_face (cairo_t *cr, int width, int height)
{
return record_replay (cr, select_font_face, width, height);
}
static cairo_test_status_t
record_text_transform (cairo_t *cr, int width, int height)
{
return record_replay (cr, text_transform, width, height);
}
CAIRO_TEST (record_paint,
"Test replayed calls to cairo_paint",
"paint,record", /* keywords */
NULL, /* requirements */
8, 8,
NULL, record_paint)
CAIRO_TEST (record_paint_alpha,
"Simple test of cairo_paint_with_alpha",
"record, paint, alpha", /* keywords */
NULL, /* requirements */
32, 32,
NULL, record_paint_alpha)
CAIRO_TEST (record_paint_alpha_solid_clip,
"Simple test of cairo_paint_with_alpha+unaligned clip",
"record, paint, alpha, clip", /* keywords */
NULL, /* requirements */
32, 32,
NULL, record_paint_alpha_solid_clip)
CAIRO_TEST (record_paint_alpha_clip,
"Simple test of cairo_paint_with_alpha+unaligned clip",
"record, paint, alpha, clip", /* keywords */
NULL, /* requirements */
32, 32,
NULL, record_paint_alpha_clip)
CAIRO_TEST (record_paint_alpha_clip_mask,
"Simple test of cairo_paint_with_alpha+triangular clip",
"record, paint, alpha, clip", /* keywords */
NULL, /* requirements */
32, 32,
NULL, record_paint_alpha_clip_mask)
CAIRO_TEST (record_fill_alpha,
"Tests using set_rgba();fill()",
"record,fill, alpha", /* keywords */
NULL, /* requirements */
2*SIZE + 4*PAD, 2*SIZE + 4*PAD,
NULL, record_fill_alpha)
CAIRO_TEST (record_select_font_face,
"Tests using cairo_select_font_face to draw text in different faces",
"record, font", /* keywords */
NULL, /* requirements */
192, TEXT_SIZE + 4,
NULL, record_select_font_face)
CAIRO_TEST (record_self_intersecting,
"Test strokes of self-intersecting paths",
"record, stroke, trap", /* keywords */
NULL, /* requirements */
10, 20,
NULL, record_self_intersecting)
CAIRO_TEST (record_text_transform,
"Test various applications of the font matrix",
"record, text, transform", /* keywords */
NULL, /* requirements */
TT_SIZE, TT_SIZE,
NULL, record_text_transform)