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/*
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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: Carl Worth <cworth@cworth.org>
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 */
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#include "cairo-test.h"
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#define WIDTH 45
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#define HEIGHT 30
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static void
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draw_L_shape (cairo_t *cr)
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{
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    cairo_move_to (cr, 0, 0);
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    cairo_rel_line_to (cr, 0, 10);
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    cairo_rel_line_to (cr, 5, 0);
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    cairo_save (cr);
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    cairo_identity_matrix (cr);
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    cairo_set_line_width (cr, 2.0);
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    cairo_stroke (cr);
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    cairo_restore (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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    /* We draw in the default black, so paint white first. */
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    cairo_save (cr);
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    cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
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    cairo_paint (cr);
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    cairo_restore (cr);
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    cairo_translate (cr, 5, 5);
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    draw_L_shape (cr);
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    cairo_translate (cr, 10, 0);
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    cairo_save (cr);
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    {
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	cairo_scale (cr, 2, 2);
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	draw_L_shape (cr);
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    }
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    cairo_restore (cr);
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    cairo_translate (cr, 15, 0);
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    cairo_save (cr);
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    {
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	cairo_rotate (cr, M_PI / 2.0);
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	draw_L_shape (cr);
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    }
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    cairo_restore (cr);
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    cairo_translate (cr, 5, 0);
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    cairo_save (cr);
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    {
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	cairo_matrix_t skew_y = {
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	    1, -1,
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	    0,  1,
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	    0,  0
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	};
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	cairo_transform (cr, &skew_y);
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	draw_L_shape (cr);
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    }
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    cairo_restore (cr);
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    cairo_translate (cr, 5, 10);
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    cairo_save (cr);
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    {
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	cairo_matrix_t skew_x = {
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	     1.0, 0.0,
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	    -0.5, 1.0,
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	     0.0, 0.0
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	};
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	cairo_transform (cr, &skew_x);
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	draw_L_shape (cr);
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    }
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    cairo_restore (cr);
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    return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (transforms,
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	    "Test various transformations.",
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	    "transforms, api", /* keywords */
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	    NULL, /* requirements */
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	    WIDTH, HEIGHT,
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	    NULL, draw)