Attachment 27055 Details for Bug 22441 – Program to verify bug

Program to verify bug

test-cairo.c (text/x-csrc), 1.22 KB, created by Stefan Röllin on 2009-06-23 11:39:01 UTC

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Creator: Stefan Röllin

Created: 2009-06-23 11:39:01 UTC

Size: 1.22 KB

patch

obsolete

>/*
> * build with: gcc `pkg-config --cflags --libs cairo` test-cairo.c -o test-cairo
>*/
>
>#include <math.h>
>
>#include <cairo.h>
>#include <cairo-pdf.h>
>
>void paint_object(cairo_t* cr, double r, double g, double b)
>{
>    double xc = 12.8;
>    double yc = 12.8;
>    double offset = 2.0;
>    double radius = 10.0;
>
>    cairo_save(cr);
>
>    cairo_set_line_width (cr, 1.0);
>    cairo_arc (cr, xc, yc, radius, 0.0, 2*M_PI);
>    cairo_set_source_rgba (cr, r, g, b, 1.0);
>    cairo_fill (cr);
>
>    cairo_restore(cr);
>}
>
>void paint(cairo_surface_t* cr_s)
>{
>    cairo_t* cr;
>
>    cr = cairo_create(cr_s);
>
>    paint_object(cr, 1.0, 0.0, 0.0);
>
>    cairo_push_group(cr);
>    paint_object(cr, 0.0, 0.0, 1.0);
>    cairo_pop_group_to_source(cr);
>    cairo_paint_with_alpha(cr, 0.5);
>
>    cairo_show_page(cr);
>    cairo_destroy (cr);
>}
>
>int main(int argc, char *argv[])
>{
>    const char filenamePDFGood[] = "test-good.pdf";
>    const char filenamePDFBad[] = "test-bad.pdf";
>    cairo_surface_t* cr_s;
>
>    cr_s = cairo_pdf_surface_create(filenamePDFBad, 49.1, 49.1); // bad
>    paint(cr_s);
>    cairo_surface_destroy (cr_s);
>
>    cr_s = cairo_pdf_surface_create(filenamePDFGood, 50.0, 50.0); // good
>    paint(cr_s);
>    cairo_surface_destroy (cr_s);
>
>    return 0;
>}

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