Attachment 118452 Details for Bug 92123 – Unit test to reproduce the bug

Unit test to reproduce the bug

main.c (text/plain), 3.08 KB, created by frank.chou on 2015-09-25 22:21:24 UTC

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Creator: frank.chou

Created: 2015-09-25 22:21:24 UTC

Size: 3.08 KB

patch

obsolete

>#include <stdlib.h>
>#include <stdio.h>
>#include <cairo.h>
>
>int main( int argc, char *argv[] )
>{
>    cairo_t *cr = NULL;
>	cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1280, 720);
>    double x1, y1, x2, y2;
>
>	cr = cairo_create(surface);
>    cairo_new_path( cr );
>    cairo_reset_clip( cr );
>
>    /* Starting clip rect */
>    cairo_rectangle( cr, 607, 38, 491, 48 );
>    cairo_set_fill_rule( cr, CAIRO_FILL_RULE_EVEN_ODD );
>    cairo_set_antialias( cr, CAIRO_ANTIALIAS_NONE );
>    cairo_clip( cr );
>
>#if 1
>    /* Set outer rounded border clip */
>    cairo_move_to( cr, 1011, 74 );
>    cairo_line_to( cr, 1161, 74 );
>    cairo_curve_to( cr, 1163.76, 74, 1166, 76.24, 1166, 79 );
>    cairo_line_to( cr, 1166, 89 );
>    cairo_curve_to( cr, 1166, 91.76, 1163.76, 94, 1161, 94 );
>    cairo_line_to( cr, 1011, 94 );
>    cairo_curve_to( cr, 1008.24, 94, 1006, 91.76, 1006, 89 );
>    cairo_line_to( cr, 1006, 79 );
>    cairo_curve_to( cr, 1006, 76.24, 1008.24, 74, 1011, 74 );
>    cairo_close_path( cr );
>
>    cairo_set_fill_rule( cr, CAIRO_FILL_RULE_EVEN_ODD );
>    cairo_clip( cr );
>#endif
>#if 1
>    /* Get current clip and add to path */
>    cairo_clip_extents( cr, &x1, &y1, &x2, &y2 );
>    cairo_rectangle( cr, x1, y1, x2 - x1, y2 - y1 );
>
>    /* Set inner rounded border clip - Append inner rounded rect to path, creating ring shape */
>    cairo_move_to( cr, 1011, 76 );
>    cairo_line_to( cr, 1161, 76 );
>    cairo_curve_to( cr, 1162.66, 76, 1164, 77.34, 1164, 79 );
>    cairo_line_to( cr, 1164, 89 );
>    cairo_curve_to( cr, 1164, 90.66, 1162.66, 92, 1161, 92 );
>    cairo_line_to( cr, 1011, 92 );
>    cairo_curve_to( cr, 1009.34, 92, 1008, 90.66, 1008, 89 );
>    cairo_line_to( cr, 1008, 79 );
>    cairo_curve_to( cr, 1008, 77.34, 1009.34, 76, 1011, 76 );
>    cairo_close_path( cr );
>
>    cairo_set_fill_rule( cr, CAIRO_FILL_RULE_EVEN_ODD );
>    cairo_clip( cr );
>#endif
>#if 1
>    /* Add bottom polygon (1) to clip, this should of clip out everything */
>    cairo_new_path( cr );
>    cairo_set_antialias( cr, CAIRO_ANTIALIAS_NONE );
>    cairo_set_fill_rule( cr, CAIRO_FILL_RULE_WINDING );
>
>    cairo_move_to( cr, 1006, 94 );
>    cairo_line_to( cr, 1016, 84 );
>    cairo_line_to( cr, 1166, 84 );
>    cairo_line_to( cr, 1166, 94 );
>    cairo_close_path( cr );
>
>    cairo_clip( cr );
>#endif
>#if 1
>    /* Add bottom polygon (2) to clip */
>    cairo_new_path( cr );
>#if 1 // Bug
>    cairo_set_antialias( cr, CAIRO_ANTIALIAS_DEFAULT );
>#else // No bug
>    cairo_set_antialias( cr, CAIRO_ANTIALIAS_NONE );
>#endif
>    cairo_set_fill_rule( cr, CAIRO_FILL_RULE_WINDING );
>
>    cairo_move_to( cr, 1006, 94 );
>    cairo_line_to( cr, 1006, 84 );
>    cairo_line_to( cr, 1156, 84 );
>    cairo_line_to( cr, 1166, 94 );
>    cairo_close_path( cr );
>
>    cairo_clip( cr );
>#endif
>
>    /* Fill color */
>    cairo_set_fill_rule( cr, CAIRO_FILL_RULE_WINDING );
>    cairo_set_source_rgba( cr, 1.0, 0.3, 0.3, 1.0 );
>    cairo_rectangle( cr, 0, 0, 1280, 720 );
>    cairo_fill( cr );
>
>    /* Save to PNG and clean up */
>	cairo_surface_write_to_png(surface, "result.png");
>	cairo_destroy(cr);
>	cairo_surface_destroy(surface);
>
>    return 0;
>}

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Attachments on bug 92123: 118452 | 118453

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