mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
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95 lines
3 KiB
C
95 lines
3 KiB
C
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/*
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* Copyright © 2022 Uli Schlachter
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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: Uli Schlachter <psychon@znc.in>
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*/
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#include "cairo-test.h"
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#include "cairo-script.h"
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struct write_data {
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cairo_bool_t finished;
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cairo_test_status_t test_status;
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};
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static cairo_surface_t*
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create_recording_surface ()
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{
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/* Create a non-empty recording surface with arbitrary content */
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cairo_surface_t *surf = cairo_recording_surface_create (CAIRO_CONTENT_COLOR, NULL);
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cairo_t *cr = cairo_create (surf);
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cairo_move_to (cr, 0, 0);
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cairo_line_to (cr, 10, 0);
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cairo_stroke (cr);
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cairo_destroy (cr);
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return surf;
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}
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static cairo_status_t
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write_func(void *closure, const unsigned char* bytes, unsigned int length)
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{
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struct write_data *data = closure;
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(void) bytes; (void) length;
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if (data->finished)
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data->test_status = CAIRO_TEST_ERROR;
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_test_status_t
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preamble (cairo_test_context_t *ctx)
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{
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struct write_data write_data = { FALSE, CAIRO_TEST_SUCCESS };
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cairo_device_t *script_device = cairo_script_create_for_stream (write_func, &write_data);
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cairo_surface_t *recording = create_recording_surface ();
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cairo_surface_t *script;
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cairo_t *cr;
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/* Draw the recording surface to a script surface */
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script = cairo_script_surface_create (script_device, CAIRO_CONTENT_COLOR, 5, 5);
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cr = cairo_test_create (script, ctx);
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cairo_set_source_surface (cr, recording, 0, 0);
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cairo_paint (cr);
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cairo_destroy (cr);
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cairo_surface_destroy (script);
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/* Finish the script device; no further writing allowed afterwards */
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cairo_device_finish (script_device);
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write_data.finished = TRUE;
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cairo_device_destroy (script_device);
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cairo_surface_destroy (recording);
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return write_data.test_status;
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}
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CAIRO_TEST (bug_277,
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"Regression test: Script surface emitting test after finish()",
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NULL, /* keywords */
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NULL, /* requirements */
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0, 0,
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preamble, NULL)
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