lazarus · 2021-11
- DCPcrypt: a package looking for a new maintainer7
The DCPcrypt package (see: https://wiki.lazarus.freepascal.org/DCPcrypt) does not have a maintainer anymore. Graeme unfortunately had to give up (as he pointed out: not…
- New Synthwave Demo15
I just wanted to let you know I completed writing my final demo to be included in my soon to be released vector graphics and custom UI toolkit. On this page…
- TFrame improvements23
Please everybody test issue: https://gitlab.com/freepascal.org/lazarus/lazarus/-/issues/25124 Some components caused an error when placed on a Frame. Now it apparently…
- Application.QueueAsyncCall and "conversion between ordinals and pointers is not portable"2
Application.QueueAsyncCall is defined as procedure Application.QueueAsyncCall(const AMethod:TDataEvent; Data: PtrInt); When I want to pass a string or a big structure as…
- Debugger stops in c dll even when no breakpoint set12
I'm using a quite complex c dll (pascal headers here: https://github.com/fluisgirardi./fpopen62541). For logging purposes, this dll can call a function but it needs to…
- Vector Based UI Supports Any Transform1
I've been busy with family ongoings the past week but managed to squeeze in a small quality of life improvement to my vector graphics toolkit with UI widgets and SVG…
- New install on Ubuntu 20.04.3 Cinnamon - Errors when recompiling IDE6
I have installed Lazarus 2.0.12 and FPC 3.2.2 from sources retrieved from GitLab on a new Linux Ubuntu 20.04.3 LTS with the Cinnamon desktop environment. After starting…
- Just installed fpc/lazarus from sources on Ubuntu 20, cannot find desktop file2
I have successfully built Lazarus 2.0.12 with fpc 3.2.2 on an Ubuntu 20.04.3 machine running the Cinnamon desktop. I have noted this problem: The desktop file is not…
- Asteroids in Pascal4
As one of several demos of my vector graphics library for Free Pascal, I've recreated an arcade game. I've included a copy of the entire game logic code. Check it out…
- Where do I get the Lazarus sources on the release tag?0
I have a script to install Lazarus and FPC on Linux which exports the sources from the subversion repositories on the release tags. I use this when installing…
- Lazarus on Linux, which desktop environment?15
I have been using Lazarus/FPC for a long time on Windows and also on Raspberry Pi Linux. I also have two laptops on which I run Ubuntu Mate 20.04.3, where I have…
- Playing with debuggers15
I'm playing with several debuging-concepts. And I want to share this one with you. I've created a new Lazarus-debugger LazDabDebugger that can work with FpdServer. It…
- Component compilation problem with lazarus 2.26
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- SVG Rendering Performance using Free Pascal1
I was watching an older video from Nvidia regarding their path rendering extensions, a feature specific to their video card drivers. I've written a more open…
- Drag/drop project and package filenames on the IDE5
Regarding issue : https://gitlab.com/freepascal.org/lazarus/lazarus/-/issues/39338 The issue is about passing project info .lpi files etc. through cmd line for a running…
- Code generates an error after upgraded to FPC 3.2.20
I just found out that something has changed from FPC 3.2.0 to FPC 3.2.2 that is starting to cause error in a simple app I developed to send emails through MS Outlook. I…
- TextHint in TComboBox7
I need to implement a TextHint property—as we have in TEdit— in a component inherited from TComboBox. Doesn't matter if it will be "emulated" or not. My first…
- Rendering SVG Documents in realtime in less than 160 lines of code1
It took me about 24 hours to design and write an SVG parser and rendering system from scratch. You can check it out on this page:…
- Lazarus Release Candidate 2 of 2.2.05
The Lazarus team is glad to announce the second release candidate of Lazarus 2.2. This release was built with FPC 3.2.2. Here is the list of changes for Lazarus and Free…
- Crayon physics written in Pascal2
In less than 500 lines of code, I created a crayon physics demo program using Free Pascal. Check it out at the link below. Source code is included at the bottom of the…
- TMainMenu missing header3
I recently upgraded to 2.2.0RC1. After recompiling several applications I noticed that my TMainMenu headings have disappeared. To use them I had to change the class to…
- Masks: the naming of ...14
I thought I better start a new therad for this one, otherwise I get lost in the previous "TMask revisited" thread. I would like to rename some stuff, now we still can.…
- Attn José: TWindowsMask oddity?6
In TWindowsMask.Compile (as in your TMaskUTF8Windows class) you do a call to EscapeSpecialChars on the modified mask. This will escape a.o. any '[' and ']' character,…