diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
commit | 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch) | |
tree | 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/record-replay-extend.c | |
parent | 3dbe9332e47c143a237db12440f134caebd1cfbe (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.c | 227 |
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) |