mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
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e90073f7dd
Avoid calling libtool to link every single test case, by building just one binary from all the sources. This binary is then given the task of choosing tests to run (based on user selection and individual test requirement), forking each test into its own process and accumulating the results.
132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/*
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* Copyright © 2005 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Owen Taylor <otaylor@redhat.com>
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*/
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#include "cairo-test.h"
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#include "stdio.h"
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/* The test matrix is
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*
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* A) Horizontal B) 5° C) 45° D) Vertical
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* 1) Rotated 0° 2) Rotated 45° C) Rotated 90°
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* a) 2 stop b) 3 stop
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*
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* A1a B1a C1a D1a
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* A2a B2a C2a D2a
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* A3a B3a C3a D3a
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* A1b B1b C1b D1b
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* A2b B2b C2b D2b
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* A3b B3b C3b D3b
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*/
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static const double gradient_angles[] = { 0, 45, 90 };
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#define N_GRADIENT_ANGLES 3
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static const double rotate_angles[] = { 0, 45, 90 };
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#define N_ROTATE_ANGLES 3
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static const int n_stops[] = { 2, 3 };
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#define N_N_STOPS 2
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#define UNIT_SIZE 6
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#define UNIT_SIZE 6
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#define PAD 1
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#define WIDTH N_GRADIENT_ANGLES * UNIT_SIZE + (N_GRADIENT_ANGLES + 1) * PAD
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#define HEIGHT N_N_STOPS * N_ROTATE_ANGLES * UNIT_SIZE + (N_N_STOPS * N_ROTATE_ANGLES + 1) * PAD
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static void
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draw_unit (cairo_t *cr,
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double gradient_angle,
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double rotate_angle,
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int n_stops)
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{
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cairo_pattern_t *pattern;
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cairo_rectangle (cr, 0, 0, 1, 1);
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cairo_clip (cr);
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cairo_new_path(cr);
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cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
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cairo_rectangle (cr, 0, 0, 1, 1);
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cairo_fill (cr);
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cairo_translate (cr, 0.5, 0.5);
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cairo_scale (cr, 1 / 1.5, 1 / 1.5);
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cairo_rotate (cr, rotate_angle);
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pattern = cairo_pattern_create_linear (-0.5 * cos (gradient_angle), -0.5 * sin (gradient_angle),
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0.5 * cos (gradient_angle), 0.5 * sin (gradient_angle));
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if (n_stops == 2) {
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cairo_pattern_add_color_stop_rgb (pattern, 0.,
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0.3, 0.3, 0.3);
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cairo_pattern_add_color_stop_rgb (pattern, 1.,
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1.0, 1.0, 1.0);
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} else {
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cairo_pattern_add_color_stop_rgb (pattern, 0.,
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1.0, 0.0, 0.0);
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cairo_pattern_add_color_stop_rgb (pattern, 0.5,
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1.0, 1.0, 1.0);
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cairo_pattern_add_color_stop_rgb (pattern, 1.,
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0.0, 0.0, 1.0);
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}
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cairo_set_source (cr, pattern);
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cairo_pattern_destroy (pattern);
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cairo_rectangle (cr, -0.5, -0.5, 1, 1);
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cairo_fill (cr);
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}
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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int i, j, k;
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cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
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cairo_paint (cr);
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for (i = 0; i < N_GRADIENT_ANGLES; i++)
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for (j = 0; j < N_ROTATE_ANGLES; j++)
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for (k = 0; k < N_N_STOPS; k++) {
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cairo_save (cr);
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cairo_translate (cr,
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PAD + (PAD + UNIT_SIZE) * i,
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PAD + (PAD + UNIT_SIZE) * (N_ROTATE_ANGLES * k + j));
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cairo_scale (cr, UNIT_SIZE, UNIT_SIZE);
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draw_unit (cr,
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gradient_angles[i] * M_PI / 180.,
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rotate_angles[j] * M_PI / 180.,
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n_stops[k]);
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cairo_restore (cr);
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}
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (linear_gradient,
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"Tests the drawing of linear gradients",
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"gradient", /* keywords */
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NULL, /* requirements */
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WIDTH, HEIGHT,
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NULL, draw)
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