/* * 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 */ #include "cairo-test.h" #include #include #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)