The module is Cairo. Do I need to change something (I'm assuming by struct you
mean the name of the class containing wrappings). The class is named Cairo as
well. Could renaming the module to ModCairo fix this?
Sent from Outlook Mobile
On Fri, Dec 11, 2015 at 5:11 PM -0800, "Harlan Haskins"
<har...@harlanhaskins.com> wrote:
Is your struct named Cairo or Surface?
If Cairo is the module name, you're trying to instantiate the module.
- Harlan
> On Dec 11, 2015, at 7:55 PM, Gage Morgan <gagemor...@outlook.com> wrote:
>
> How would you use things like cairo.moveTo() outside of the wrapping file?
> I've gone as far as writing a module named "Cairo," taking the methods as
> mentioned above out, and moving them to their own directory "tests." I have
> added "Cairo" as a dependency for "tests," but there appears to be something
> wrong when I try to call:
>
> let cairo = Cairo(format: CAIRO_FORMAT_ARGB32, width: 421, height: 410)
>
> Why can I not call Cairo()? The error:
>
> Compiling Swift Module 'test' (1 sources)
> /home/mgage/swift-cairo-bindings/test/main.swift:4:18: error: cannot call
> value of non-function type 'module<Cairo>'
> let cairo = Cairo(format: CAIRO_FORMAT_ARGB32, width: 421, height: 410)
> ~~~~~^
> <unknown>:0: error: build had 1 command failures
> swift-build: exit(1):
> ["/home/mgage/Downloads/swift-2.2-SNAPSHOT-2015-12-01-b-ubuntu15.10/usr/bin/swift-build-tool",
> "-f",
> "/home/mgage/swift-cairo-bindings/test/.build/debug/test.o/llbuild.yaml"]
>
> I don't know whether or not I want to translate methods into straight-up
> properties yet.
>
> Thanks, support here has been great so far. Cheers!
> --MGage--
>
>
> Subject: Re: [swift-users] Need Help with C-to-Swift (finally)
> From: har...@harlanhaskins.com
> Date: Fri, 11 Dec 2015 19:35:46 -0500
> CC: gagemor...@outlook.com; swift-users@swift.org
> To: ja...@apple.com
>
> I considered that but couldn't find a cairo_get_font_scale function quickly
> to complement the setter
>
> But yes, a full wrapper would transparently handle getting and setting.
>
> - Harlan
>
> On Dec 11, 2015, at 7:28 PM, Jack Lawrence <ja...@apple.com> wrote:
>
> For getter-setter pairs like `setLineWidth`, you might consider turning them
> into properties:
>
> cairo.setLineWidth(0.1) // old
> cairo.lineWidth = 0.1 // new
>
> On Dec 11, 2015, at 4:22 PM, Gage Morgan via swift-users
> <swift-users@swift.org> wrote:
>
> Harlan,
>
> The answer is yes. I even managed to get a couple you didn't list on my own:
>
> let cairo = Cairo(format: CAIRO_FORMAT_ARGB32, width: 421, height: 410)
> cairo.scale(10.0, y: 10.0)
> cairo.moveTo(29.0, y: 14.7)
> cairo.lineTo(37.6, y: 13.0)
> cairo.moveTo(37.6, y: 13.0)
> cairo.lineTo(30.4, y: 22.2)
> cairo.moveTo(30.4, y: 22.2)
> cairo.lineTo(29.0, y: 14.7)
> cairo.setLineWidth(0.1)
> cairo.stroke()
> cairo.surfaceWriteToPNG("boobs.png")
>
> Swift is both really neat and really frustrating when learning it.
>
> Subject: Re: [swift-users] Need Help with C-to-Swift (finally)
> From: har...@harlanhaskins.com
> Date: Fri, 11 Dec 2015 17:21:38 -0500
> CC: kwame.br...@gmail.com; swift-users@swift.org
> To: gagemor...@outlook.com
>
> Gage,
>
> Sorry, I just got back from class.
>
> I’ll respond in line!
>
> On Dec 11, 2015, at 5:09 PM, Gage Morgan <gagemor...@outlook.com> wrote:
>
> Harlan,
>
> I read on cairographics.org about bindings awhile back. I think they want
> cairo, not surface, so we would have something like:
>
> let cairo = Surface(format: CAIRO_FORMAT_ARGB32, width: 240, height: 80)
> cairo.setFontFace("serif", weight: CAIRO_FONT_WEIGHT_BOLD)
> cairo.setFontSize(32.0)
> cairo.setSourceRGB(0.0, g: 0.0, b: 1.0)
> cairo.moveTo(x: 10, y: 50)
> cairo.showText("Hello, World!")
> cairo.writeToPNG("hello.png")
>
> Would this work the same as before without "surface" but instead "cairo”?
>
> Absolutely! That’s just a variable name — it could be called ‘puppies’,
> though that’s not very readable.
>
>
> Sent from Outlook Mobile
>
>
>
>
> On Fri, Dec 11, 2015 at 2:00 PM -0800, "Gage Morgan via swift-users"
> <swift-users@swift.org> wrote:
>
> I went and looked at it, and even now it looks like I want to take every
> function I've used in Cairo and translate it to Swift. Swift is such
> a...simple language compared to everything else. That being said, as a result
> of the specs, it is also much more verbose in terms of writing the code.
> Compared to other languages, it is written out instead of shoved onto a few
> lines.
>
> Is there a way to import modules into other modules? Because it looks like a
> weekend project that will eventually get posted by myself at
> http://github.com/Christoffen-Corporation.
>
> Sent from Outlook Mobile
>
> I’d recommend having a look at the Swift package manager example again —
> https://github.com/apple/swift-package-manager/blob/master/Documentation/SystemModules.md
>
> There’s an example of using those modules together.
>
>
> On Fri, Dec 11, 2015 at 1:52 PM -0800, "Gage Morgan via swift-users"
> <swift-users@swift.org> wrote:
>
> I meant the code posted in the Gist link above. I don't know jack squat about
> qsort. I'm hoping that if I can reverse-engineer code already produced, I can
> apply it to other parts of Cairo.
>
> Sent from Outlook Mobile
>
> I’ll go ahead and comment it, but I think it’s simplistic enough that it
> should be readable with a grasp of some Swift concepts. Perhaps it’s a good
> idea to look through The Swift Programming Language to figure out some of the
> constructs I used — they’re fairly basic constructs.
>
>
> On Fri, Dec 11, 2015 at 1:34 PM -0800, "Kwame Bryan"<kwame.br...@gmail.com>
> wrote:
>
> Tutorial on the subject. http://chris.eidhof.nl/posts/swift-c-interop.html
>
> Regards
> Kwame
>
>
> <Mail Attachment.txt><Mail Attachment.txt>
>
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