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5271f31991
Triggers the following warning during build: sample.c:61:1: warning: ‘horizontal’ defined but not used [-Wunused-function] Signed-off-by: Bryce Harrington <b.harrington@samsung.com>
117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/*
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* Copyright 2012 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Author: Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairo-test.h"
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/* Test the fidelity of the rasterisation, because Cairo is my favourite
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* driver test suite.
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*/
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#define GENERATE_REFERENCE 0
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#define WIDTH 256
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#define HEIGHT 40
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#include "../src/cairo-fixed-type-private.h"
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#define PRECISION (1 << CAIRO_FIXED_FRAC_BITS)
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static cairo_test_status_t
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vertical (cairo_t *cr, int width, int height)
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{
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int x;
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cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
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cairo_paint (cr);
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cairo_set_source_rgba (cr, 1, 1, 1, 1);
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for (x = -HEIGHT*PRECISION-2; x <= (WIDTH+HEIGHT)*PRECISION+2; x += 4) {
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cairo_move_to (cr, x / (double)PRECISION - 2, -2);
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cairo_rel_line_to (cr, 0, HEIGHT + 4);
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}
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cairo_set_line_width (cr, 2 / (double)PRECISION);
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cairo_stroke (cr);
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return CAIRO_TEST_SUCCESS;
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}
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static cairo_test_status_t
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horizontal (cairo_t *cr, int width, int height)
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{
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int x;
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cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
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cairo_paint (cr);
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cairo_set_source_rgba (cr, 1, 1, 1, 1);
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for (x = -HEIGHT*PRECISION-2; x <= (WIDTH+HEIGHT)*PRECISION+2; x += 4) {
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cairo_move_to (cr, -2, x / (double)PRECISION - 2);
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cairo_rel_line_to (cr, HEIGHT + 4, 0);
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}
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cairo_set_line_width (cr, 2 / (double)PRECISION);
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cairo_stroke (cr);
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return CAIRO_TEST_SUCCESS;
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}
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static cairo_test_status_t
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diagonal (cairo_t *cr, int width, int height)
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{
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int x;
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cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
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cairo_paint (cr);
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cairo_set_source_rgba (cr, 1, 1, 1, 1);
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for (x = -HEIGHT*PRECISION-2; x <= (WIDTH+HEIGHT)*PRECISION+2; x += 6) {
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cairo_move_to (cr, x / (double)PRECISION - 2, -2);
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cairo_rel_line_to (cr, HEIGHT + 4, HEIGHT + 4);
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}
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cairo_set_line_width (cr, 2 / (double)PRECISION);
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cairo_stroke (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (sample_vertical,
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"Check the fidelity of the rasterisation.",
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NULL, /* keywords */
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"target=raster slow", /* requirements */
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WIDTH, HEIGHT,
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NULL, vertical)
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CAIRO_TEST (sample_horizontal,
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"Check the fidelity of the rasterisation.",
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NULL, /* keywords */
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"target=raster slow", /* requirements */
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WIDTH, HEIGHT,
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NULL, horizontal)
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CAIRO_TEST (sample_diagonal,
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"Check the fidelity of the rasterisation.",
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NULL, /* keywords */
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"target=raster slow", /* requirements */
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WIDTH, HEIGHT,
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NULL, diagonal)
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