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Problem with Tutorial (Font issue?)

 
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gekkonier



Joined: 27 Mar 2007
Posts: 28
PostPosted: Fri Jul 20, 2007 8:59 am    Post subject: Problem with Tutorial (Font issue?) Reply with quote
Hi,

I'm trying to figure out how ArcLib works.
First of all:

I tried to work through this tutorial:

http://dmedia.dprogramming.com/?n=Tutorials.ArcIntro

I'm sitting on a Windows Computer with dmd 1.018, dsss 0.67, and fresh fetched ArcLib (dsss net install arclib). Happy Hippie, it worked.

Then I tried to get the "Hello World" example of the previously mentioned tutorial working, but I had to change it to this:
Code:
module main;

import arc.all; // <- Look here!

int main()
{
   arc.window.open("Hello World", 400,300,0);
   arc.input.open();
   Font f = new Font("Crisp.ttf", 12); // <- this ttf file resists in same dir as the source/bin
   while (!arc.input.keyDown(ARC_QUIT))
   {
      arc.input.process();
      arc.window.clear();
      f.draw(cast(char[])"Text UTF16", Point(10,10), Color(100,200,50,50)); // <- Look here
      arc.window.swap();
   }
   arc.window.close();
   return 0;
}

to get it compiled without errors.

Note here compared to the tutorial the f.draw line and the import statement.
With the original import (import arc.input, arc.window, arc.font;) my compiler didn't found Point, Color and so on. So I changed to import arc.all;


If i try to run the compiled executable, I get the following error message:
Code:
Error: Access Violation


Can you point me to the solution for this issue?
(If i kick off all font stuff a window pops up as intended.)

Regards, Gregor
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gekkonier



Joined: 27 Mar 2007
Posts: 28
PostPosted: Fri Jul 20, 2007 9:31 am    Post subject: Reply with quote
Okay, i figured out, that it has something to do with the font-loading.
If i try this:

Code:
module main;

import arc.all;

int main()
{
   arc.window.open("Hello World", 400,300,0);
   arc.input.open();
   Font f = new Font("Crisp.ttf", 12);
   char[] text = "hello!";
   while (!arc.input.keyDown(ARC_QUIT))
   {
      arc.input.process();
      arc.window.clear();
      // f.draw(text, Point(10,10), Color.Green);
      // drawPixel(Point(10,10), Color.Green);
      arc.window.swap();
   }
   arc.window.close();
   return 0;
}

I get the access violation, but if I comment out the Font f = new Font line, it works.
I tried also to work with absolute path, but also no luck.

Painting dots, rectangles works.
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ChristianK



Joined: 26 Sep 2006
Posts: 159
Location: Berlin, Germany
PostPosted: Sun Jul 22, 2007 5:02 am    Post subject: Reply with quote
Thanks for trying Arc! Smile

I've never worked on the font code myself, but as there are arc.font.open/close methods, I expect adding the calls should help.

Clay: In addition to this, can you update the dmedia tutorial to fix the import and the font.draw overload issue? Also, we really got to fix the open/close annoyance for 0.3: I've added some comments to http://www.dsource.org/projects/arclib/ticket/33
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gekkonier



Joined: 27 Mar 2007
Posts: 28
PostPosted: Sun Jul 22, 2007 11:57 pm    Post subject: Reply with quote
Thank you for your answer!

Now it looks like this and works:
Code:
module main;

import arc.all;

int main()
{
   arc.window.open("Hello World", 400,300,0);
   arc.input.open();
   arc.font.open();
   Font f = new Font("Crisp.ttf", 16);
   while (!arc.input.keyDown(ARC_QUIT))
   {
      arc.input.process();
      arc.window.clear();
      char[] text = "Hello, World!";
      f.draw(text, Point(10,10), Color.Green);
      // drawPixel(Point(10,10), Color.Green);
      arc.window.swap();
   }
   arc.font.close();
   arc.window.close();
   return 0;
}
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clayasaurus



Joined: 21 May 2004
Posts: 857
PostPosted: Mon Jul 30, 2007 11:34 am    Post subject: Reply with quote
You can also use

f.draw("text"c, Point(10,10), Color.Green)

tutorial is updated.
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gekkonier



Joined: 27 Mar 2007
Posts: 28
PostPosted: Mon Apr 07, 2008 5:53 am    Post subject: Reply with quote
Hello, it was a long time ago, and now i wanted to start again with d, tango and arclib.

I compiled a "hello world" program just to test if my setup works, but while compiling or executing of the resulting exe file there are no error messages, so i think it should be ok, but if i exec the exe i just see a window popping up, and closing immediately. If i start the same exe out of a shell, i just see no failure message. Okay, here are the steps to reproduce my problem (I tried this on a Windows XP Professional and a Windows 2000 Professional):

1. I downloaded the dmd+Tango bundle for Windows, installed it and tested it:
http://www.fsdev.net/wiki/dmd-snapshots
Here i tooked the version 0.4.0

2. Then i did a dsss net install arclib (everythink went through without errors.

3. I created a main.d with the following:
Code:
module main;

import
    arc.input,
    arc.window,
    arc.font,
    arc.math.point,
    arc.draw.color;

int main()
{
    arc.window.open("Hello World", 400,300,0);
    arc.input.open();
    arc.font.open();
    Font font = new Font("Crisp.ttf", 32); // THIS FONT EXISTS IN SAME DIR AS THE MAIN.D
    while (!arc.input.keyDown(ARC_QUIT))
    {
        arc.input.process();
        arc.window.clear();
        font.draw("Hello Arc World"c, Point(200,200),Color.Green);
        arc.window.swap();
    }
    arc.font.close();
    arc.window.close();
    return 0;
}

Here I tooked the code from this site: http://dmedia.dprogramming.com/?n=Tutorials.ArcIntro
, it's the example from "Setting up Arc, part 2: hello world", stripped from all comments for the forum, and changed the (i've tested it in an other program) working font file line.

3. I placed the SDL.dll in the same dir.
I got the dll from here: http://www.libsdl.org/download-1.2.php
(Runtime Lib. for Win32)

4. I created a dsss.conf file with: [main.d] as content

5. dsss build in the directory.

Did i missed something important? Maybe a dll for fontloading or simething similiar?

Regards, Gregor

EDIT: I've also tried all examples above in this thread, also with no luck, it compiles well, but doesn't show any window or error on starting.
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clayasaurus



Joined: 21 May 2004
Posts: 857
PostPosted: Mon Apr 07, 2008 9:27 am    Post subject: Reply with quote
Looks like you got the exe compiled, which is the 'difficult' part.

Make sure you have all these dll's http://www.dsource.org/projects/arclib/browser/downloads/dll in the same directory.

There should be a file called arc.log as too, you can post that here if you have any more troubles after trying to put those dll's in the directory.

Also, the best place to find example code for branch 2 is http://www.dsource.org/projects/arclib/browser/branches/arc02/tango/arclib-tests
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gekkonier



Joined: 27 Mar 2007
Posts: 28
PostPosted: Mon Apr 07, 2008 9:35 am    Post subject: Reply with quote
The dll's were missing. Now it works.
Thank you!
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