Haskell Gloss

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Gloss is a Haskell library that hides the pain of drawing simple vector graphics behind a nice data type and a few display functions. Feel free to post bug reports, success stories, feature requests, example code, or whatever.

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Iván Pérez, Paul Brauner2

10/10/23

Paper on FRP using Gloss

Nice paper! Thank you for sharing. Paul On Sat, Oct 7, 2023 at 7:39 PM Iván Pérez <

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Paper on FRP using Gloss

Nice paper! Thank you for sharing. Paul On Sat, Oct 7, 2023 at 7:39 PM Iván Pérez <

10/10/23

11/25/22

I got an error and it said to report it here

sgaming-exe.EXE: Gloss / OpenGL Internal Error "before drawPicture." Please report this on

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I got an error and it said to report it here

sgaming-exe.EXE: Gloss / OpenGL Internal Error "before drawPicture." Please report this on

11/25/22

Evgenii Cherkashin, Jørn Lode3

11/2/22

Is there a way to finish "normally" animate / simulate?

I think it's just an oversight (or a consequence of the API being designed to be very simply --

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Is there a way to finish "normally" animate / simulate?

I think it's just an oversight (or a consequence of the API being designed to be very simply --

11/2/22

Jørn Lode, Ben Lippmeier3

9/26/22

Hardcoded call to GLUT in platform agnostic code? (GLUT.renderString)

Thanks for the reply. :) I noticed that the source code is quite easy to navigate, and that these

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Hardcoded call to GLUT in platform agnostic code? (GLUT.renderString)

Thanks for the reply. :) I noticed that the source code is quite easy to navigate, and that these

9/26/22

8/16/22

Gloss/GLUT application freezes after several minutes on MacOS (12.4)

My initial foray into gloss by implementing a little classic asteroids game has proven to be very

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Gloss/GLUT application freezes after several minutes on MacOS (12.4)

My initial foray into gloss by implementing a little classic asteroids game has proven to be very

8/16/22

Luke Evans, Ben Lippmeier4

8/3/22

NSInternalInconsistencyException running gloss (playIO) on Mac

OK, I took some time out to restructure this code so the playIO is performed on the main thread and

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NSInternalInconsistencyException running gloss (playIO) on Mac

OK, I took some time out to restructure this code so the playIO is performed on the main thread and

8/3/22

1/10/22

Reversed coordinates with GLFW on macOS

I switched from GLUT to GLFW and suddenly the coordinates were reversed on macOS. On Linux the

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Reversed coordinates with GLFW on macOS

I switched from GLUT to GLFW and suddenly the coordinates were reversed on macOS. On Linux the

1/10/22

greg travis, … Adrian Sieber4

1/9/22

How to configure Gloss to use GLFW when using stack

I've just been playing around with this a little more and I got it working when using: flags:

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How to configure Gloss to use GLFW when using stack

I've just been playing around with this a little more and I got it working when using: flags:

1/9/22

eric andrade, … Samuel Gélineau9

3/31/21

Bug - Picture is not centered (macOS)

On GLUT, the problem disappears if I remove the call to viewState_reshape from Graphics.Gloss.

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Bug - Picture is not centered (macOS)

On GLUT, the problem disappears if I remove the call to viewState_reshape from Graphics.Gloss.

3/31/21

Moisés Ackerman

2/14/21

Hello, I'm currently trying to (ab)use Gloss as a Haskell alternative to Processing. One of the

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Hello, I'm currently trying to (ab)use Gloss as a Haskell alternative to Processing. One of the

2/14/21

Eugene Crosser, Ben Lippmeier3

1/14/21

bug: "Exception: user error (unknown GLUT entry glutInit)" under ghci, but not when compiled (Linux)

It's been a long time! But today I was frustrated by this problem again, and tried something that

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bug: "Exception: user error (unknown GLUT entry glutInit)" under ghci, but not when compiled (Linux)

It's been a long time! But today I was frustrated by this problem again, and tried something that

1/14/21

Maryam Raja, Ben Lippmeier2

12/29/20

Downloading gloss

On 29 Dec 2020, at 10:02 am, Maryam Raja <maryam...@gmail.com> wrote: Hi, Currently I am

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Downloading gloss

On 29 Dec 2020, at 10:02 am, Maryam Raja <maryam...@gmail.com> wrote: Hi, Currently I am

12/29/20

Adrian Sieber, … Chris Smith5

11/25/20

Building a GUI toolkit with gloss

You'll need to put some work in to get decent text support. Traditionally Gloss has just used the

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Building a GUI toolkit with gloss

You'll need to put some work in to get decent text support. Traditionally Gloss has just used the

11/25/20

Adrian Sieber, Jonathan Merritt4

11/18/20

Does not seem to build on macOS 11 anymore

Thanks for the efforts! The GHC issue looks indeed like it could be the cause. So maybe let's

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Does not seem to build on macOS 11 anymore

Thanks for the efforts! The GHC issue looks indeed like it could be the cause. So maybe let's

11/18/20

11/9/20

Feature request: Fire EventResize event already on mousemove

If a window is resized, the `EventResize` event is only fired after the mouse click is stopped (

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Feature request: Fire EventResize event already on mousemove

If a window is resized, the `EventResize` event is only fired after the mouse click is stopped (

11/9/20

Samuel Gélineau

10/25/20

disabling caching on existing Pictures

Hi! In gloss-1.13, Picture.Bitmap's fields were replaced by an opaque BitmapData value. This

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disabling caching on existing Pictures

Hi! In gloss-1.13, Picture.Bitmap's fields were replaced by an opaque BitmapData value. This

10/25/20

man...@enigmage.de, … Ben Lippmeier9

8/22/20

Gloss seems to crash on macOS?

> On 22 Aug 2020, at 11:15 pm, man...@enigmage.de <man...@enigmage.de> wrote: > > I

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Gloss seems to crash on macOS?

> On 22 Aug 2020, at 11:15 pm, man...@enigmage.de <man...@enigmage.de> wrote: > > I

8/22/20

8/4/20

Trying to use GLFW instead of GLUT

I'm trying to switch from GLUT to GLFW (in the hopes of no longer requiring XQuartz). Trying to

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Trying to use GLFW instead of GLUT

I'm trying to switch from GLUT to GLFW (in the hopes of no longer requiring XQuartz). Trying to

8/4/20

Adrian Sieber, Ben Lippmeier3

2/23/20

App gets only rendered correctly after resizing window

On 23 Feb 2020, at 10:59 pm, Adrian Sieber <adrian....@gmail.com> wrote: I also tried out

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App gets only rendered correctly after resizing window

On 23 Feb 2020, at 10:59 pm, Adrian Sieber <adrian....@gmail.com> wrote: I also tried out

2/23/20

Jasper Peters, Ben Lippmeier2

10/29/19

What does this runtime error mean?

Weird. I don't see anything suspicious about the code itself. I should be able to look at it over

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What does this runtime error mean?

Weird. I don't see anything suspicious about the code itself. I should be able to look at it over

10/29/19

Ruben Pieters, Ben Lippmeier2

10/29/19

Ordering of Rotating and Coloring ThickArc matters

Thanks, this will be due to a misguided optimisation in the renderer which is easy to turn off. I

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Ordering of Rotating and Coloring ThickArc matters

Thanks, this will be due to a misguided optimisation in the renderer which is easy to turn off. I

10/29/19

5/26/19

Re: [gloss:pull request] gloss:Internals: also clamp negative input values by damiencourousse · Pull Request #44 · benl23x5/gloss

> On 20 Feb 2019, at 12:38 pm, Ben Lippmeier <be...@ouroborus.net> wrote: > > Thanks,

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Re: [gloss:pull request] gloss:Internals: also clamp negative input values by damiencourousse · Pull Request #44 · benl23x5/gloss

> On 20 Feb 2019, at 12:38 pm, Ben Lippmeier <be...@ouroborus.net> wrote: > > Thanks,

5/26/19

ssadl...@gmail.com

3/26/19

Feature: support stroke / line thickness

Currently to draw a rectangle with a fixed size border is possible by drawing 2 rectangles with the

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Feature: support stroke / line thickness

Currently to draw a rectangle with a fixed size border is possible by drawing 2 rectangles with the

3/26/19

8/19/18

[benl23x5/gloss] 8f9e6e: Fix doc bug about ThickCircle radius <> thickness

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

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[benl23x5/gloss] 8f9e6e: Fix doc bug about ThickCircle radius <> thickness

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

8/19/18

8/19/18

Gloss 1.13.0.1 pushed to Hackage

This includes a number of recent contributions: Thanks to Thaler Jonathan • Repaired GLFW backend.

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Gloss 1.13.0.1 pushed to Hackage

This includes a number of recent contributions: Thanks to Thaler Jonathan • Repaired GLFW backend.

8/19/18

8/19/18

[benl23x5/gloss]

Branch: refs/heads/glfw-new Home: https://github.com/benl23x5/gloss **NOTE:** This service has been

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[benl23x5/gloss]

Branch: refs/heads/glfw-new Home: https://github.com/benl23x5/gloss **NOTE:** This service has been

8/19/18

8/19/18

[benl23x5/gloss] 6bd22a: Minor version bump

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

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[benl23x5/gloss] 6bd22a: Minor version bump

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

8/19/18

8/19/18

[benl23x5/gloss] cf3f06: More updates to release notes

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

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[benl23x5/gloss] cf3f06: More updates to release notes

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

8/19/18

8/19/18

[benl23x5/gloss] 4fa9ed: Bump versions and update release notes

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

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[benl23x5/gloss] 4fa9ed: Bump versions and update release notes

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

8/19/18

8/19/18

[benl23x5/gloss] 05e7f9: repaired GLFW backend

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

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[benl23x5/gloss] 05e7f9: repaired GLFW backend

Branch: refs/heads/master Home: https://github.com/benl23x5/gloss Commit:

8/19/18

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