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/*
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 * Copyright © 2022 Behdad Esfahbod
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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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 * Contributor(s):
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 *	Behdad Esfahbod <behdad@behdad.org>
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 */
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/* Test that user-fonts can subpixel positioning.

            

        

            

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 */

            

        

            

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#include "cairo-test.h"

            

        

            

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#define BORDER 10

            

        

            

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#define REPEAT 16

            

        

            

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#define TEXT_SIZE 24

            

        

            

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#define WIDTH  (TEXT_SIZE * REPEAT + 2*BORDER)

            

        

            

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#define HEIGHT (TEXT_SIZE + 2*BORDER)

            

        

            

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static cairo_status_t

            

        

            

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test_scaled_font_render_glyph (cairo_scaled_font_t  *scaled_font,

            

        

            

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			       unsigned long         glyph,

            

        

            

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			       cairo_t              *cr,

            

        

            

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			       cairo_text_extents_t *metrics)

            

        

            

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{

            

        

            

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    cairo_rectangle (cr, 0, .45, 1., .1);

            

        

            

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    cairo_fill (cr);

            

        

            

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    return CAIRO_STATUS_SUCCESS;

            

        

            

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}

            

        

            

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static cairo_font_face_t *

            

        

            

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_user_font_face_create (void)

            

        

            

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{

            

        

            

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    cairo_font_face_t *user_font_face;

            

        

            

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    user_font_face = cairo_user_font_face_create ();

            

        

            

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    cairo_user_font_face_set_render_glyph_func (user_font_face, test_scaled_font_render_glyph);

            

        

            

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    return user_font_face;

            

        

            

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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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    cairo_font_face_t *font_face;

            

        

            

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    cairo_set_source_rgb (cr, 1, 1, 1);

            

        

            

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    cairo_paint (cr);

            

        

            

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    font_face = _user_font_face_create ();

            

        

            

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    cairo_set_font_face (cr, font_face);

            

        

            

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    cairo_font_face_destroy (font_face);

            

        

            

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    cairo_set_source_rgb (cr, 0, 0, 0);

            

        

            

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    cairo_set_font_size (cr, TEXT_SIZE);

            

        

            

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    for (unsigned i = 0; i < REPEAT; i++)

            

        

            

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    {

            

        

            

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      cairo_move_to (cr, BORDER + TEXT_SIZE * i, BORDER + i * .1);

            

        

            

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      cairo_show_text (cr, "-");

            

        

            

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    }

            

        

            

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    return CAIRO_TEST_SUCCESS;

            

        

            

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}

            

        

            

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CAIRO_TEST (user_font_subpixel,

            

        

            

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	    "Tests user font subpixel rendering",

            

        

            

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	    "font, user-font", /* keywords */

            

        

            

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	    "cairo >= 1.17.4", /* requirements */

            

        

            

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	    WIDTH, HEIGHT,

            

        

            

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	    NULL, draw)