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Diffstat (limited to 'test/dash-offset.c')
| -rw-r--r-- | test/dash-offset.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/test/dash-offset.c b/test/dash-offset.c deleted file mode 100644 index f4269ee13..000000000 --- a/test/dash-offset.c +++ /dev/null @@ -1,83 +0,0 @@ -/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ -/* - * Copyright 2009 Andrea Canciani - * - * 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. - * - * Author: Andrea Canciani <ranma42@gmail.com> - */ - -#include "cairo-test.h" - -/* Lengths of the dashes of the dash patterns */ -static const double dashes[] = { 2, 2, 4, 4 }; -/* Dash offset in userspace units - * They always grow by 2, so the dash pattern is - * should be shifted by the same amount each time */ -static const double frac_offset[] = { 0, 2, 4, 6 }; -/* Dash offset relative to the whole dash pattern - * This corresponds to the non-inverted part only if - * the dash pattern has odd length, so the expected result - * is the same for every int_offset if the pattern has - * even length, and inverted each time (or shifted by half - * period, which is the same) if the pattern has odd length. */ -static const double int_offset[] = { -2, -1, 0, 1, 2 }; - -#define PAD 6 -#define STROKE_LENGTH 32 -#define IMAGE_WIDTH (PAD + (STROKE_LENGTH + PAD) * ARRAY_LENGTH (dashes)) -#define IMAGE_HEIGHT (PAD + PAD * ARRAY_LENGTH (int_offset) + PAD * ARRAY_LENGTH (frac_offset) * ARRAY_LENGTH (int_offset)) - - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - double total; - size_t i, j, k; - - cairo_set_source_rgb (cr, 1, 1, 1); - cairo_paint (cr); - - cairo_set_source_rgb (cr, 0, 0, 0); - cairo_set_line_width (cr, 2); - - total = 0.0; - for (k = 0; k < ARRAY_LENGTH (dashes); ++k) { - total += dashes[k]; - for (i = 0; i < ARRAY_LENGTH (frac_offset); ++i) { - for (j = 0; j < ARRAY_LENGTH (int_offset); ++j) { - cairo_set_dash (cr, dashes, k + 1, frac_offset[i] + total * int_offset[j]); - cairo_move_to (cr, (STROKE_LENGTH + PAD) * k + PAD, PAD * (i + j + ARRAY_LENGTH (frac_offset) * j + 1)); - cairo_line_to (cr, (STROKE_LENGTH + PAD) * (k + 1), PAD * (i + j + ARRAY_LENGTH (frac_offset) * j + 1)); - cairo_stroke (cr); - } - } - } - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (dash_offset, - "Tests dashes of different length with various offsets", - "stroke, dash", /* keywords */ - NULL, /* requirements */ - IMAGE_WIDTH, IMAGE_HEIGHT, - NULL, draw) |