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<body class='hmmessage'><div dir='ltr'>Sir, you've just made my day. So it's really that simple?<br><br><div><hr id="stopSpelling">Subject: Re: [swift-users] Need Help with C-to-Swift (finally)<br>From: harlan@harlanhaskins.com<br>Date: Fri, 11 Dec 2015 15:24:48 -0500<br>CC: jason.dusek@gmail.com; swift-users@swift.org<br>To: gagemorgan@outlook.com<br><br>So, its a very simple almost one-to-one translation of that C code block to Swift.<div>You have to make sure to <font face="Menlo">import&nbsp;CCairo</font>&nbsp;at the beginning of the file, and change the variable declarations to use <font face="Menlo">let</font>&nbsp;instead of the C declaration.</div><div><br></div><div>This works for me, as is.<br><div><br></div><div><div><font face="Menlo">import CCairo</font></div><div><font face="Menlo"><br></font></div><div><font face="Menlo">let surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 240, 80)</font></div><div><font face="Menlo">let cr = cairo_create (surface);</font></div><div><font face="Menlo"><br></font></div><div><font face="Menlo">cairo_select_font_face(cr, "serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD)</font></div><div><font face="Menlo">cairo_set_font_size(cr, 32.0)</font></div><div><font face="Menlo">cairo_set_source_rgb(cr, 0.0, 0.0, 1.0)</font></div><div><font face="Menlo">cairo_move_to(cr, 10.0, 50.0)</font></div><div><font face="Menlo">cairo_show_text(cr, "Hello, world")</font></div><div><font face="Menlo"><br></font></div><div><font face="Menlo">cairo_destroy(cr)</font></div><div><font face="Menlo">cairo_surface_write_to_png(surface, "hello.png")</font></div><div><font face="Menlo">cairo_surface_destroy(surface)</font></div><div><br></div><div><blockquote><div>On Dec 11, 2015, at 3:21 PM, Gage Morgan &lt;<a href="mailto:gagemorgan@outlook.com">gagemorgan@outlook.com</a>&gt; wrote:</div><br class="ecxApple-interchange-newline"><div>



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<div>Do so here in a few. Want a bug report for that?<br>
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<div class="ecxgmail_quote">On Fri, Dec 11, 2015 at 12:08 PM -0800, "Harlan Haskins"
<span dir="ltr">&lt;<a href="mailto:harlan@harlanhaskins.com" target="_blank">harlan@harlanhaskins.com</a>&gt;</span> wrote:<br>
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<div style="word-wrap:break-word;">Mind sending your CCairo modulemap?
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<div>Id love to help you get this translated to Swift.</div>
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<div>On Dec 11, 2015, at 2:44 PM, Gage Morgan via swift-users &lt;<a href="mailto:swift-users@swift.org">swift-users@swift.org</a>&gt; wrote:</div>
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<div>I want to call PNG surfaces from Swift, as well as use cairo_line_to() and cairo_move_to() in Swift. Thing is, I need an example of cairo used in Swift so I can apply it to the rest of cairo.&nbsp;</div>
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<div>My goal is to generate an executable that outputs *.png images using swift.&nbsp;</div>
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<div>Thanks for the support,</div>
<div>--MGage--<br>
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<div class="ecxx_gmail_quote">On Thu, Dec 10, 2015 at 10:40 PM -0800, "Jason Dusek" <span dir="ltr">
&lt;<a href="mailto:jason.dusek@gmail.com" target="_blank">jason.dusek@gmail.com</a>&gt;</span> wrote:<br>
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<div dir="ltr">When you say, output to Swift, do you mean, call it from Swift? Return the PNG or surface to Swift?</div>
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<div class="ecxx_x_gmail_quote">
<div dir="ltr">On Thu, 10 Dec 2015 at 22:39 Gage Morgan via swift-users &lt;<a href="mailto:swift-users@swift.org">swift-users@swift.org</a>&gt; wrote:<br>
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<div dir="ltr">So, if I had this code written in C:
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<pre style="font-family:mono;border:1px solid rgb(197,197,246);padding:0.5em;font-size:inherit;background-color:rgb(219,219,247);"><code>int
main (int argc, char *argv[])
{
        cairo_surface_t *surface =
            cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 240, 80);
        cairo_t *cr =
            cairo_create (surface);

        cairo_select_font_face (cr, "serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
        cairo_set_font_size (cr, 32.0);
        cairo_set_source_rgb (cr, 0.0, 0.0, 1.0);
        cairo_move_to (cr, 10.0, 50.0);
        cairo_show_text (cr, "Hello, world");

        cairo_destroy (cr);
        cairo_surface_write_to_png (surface, "hello.png");
        cairo_surface_destroy (surface);
        return 0;
}</code></pre>
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<div>how would I output to Swift? If I can get one or two examples, I'll be closer to finished with using Cairo in Swift.</div>
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