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> > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users >
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