Guido Van Hoecke <[email protected]> writes:
> Guido Van Hoecke <[email protected]> writes:
>
>> Following method crashes on iPad.
>
> The problem might be related to the size of the font. The same code
> works fine on iphone, but of course uses a smaller fint there. (The game
> draws a character in an 8x8 grid, which means cell size and thus font
> size is much smaller on iphone)
The ipad runs ois 5.1.1, the iphone runs 7.0.4
This may also be important in pinpointing the bug.
Guido
>>
>> private void DrawChar (CGContext g, RectangleF frame, string c,
>> StateType state)
>> {
>> var h = Convert.ToInt32 (frame.Height * .8);
>> var s = new NSString (c);
>> var size = MCiOS.TextSize (UIFont.BoldSystemFontOfSize (h), c.ToString
>> ());
>> var p = new PointF (frame.X + (frame.Width - size.Width) / 2, frame.Y
>> + (frame.Height - size.Height) / 2);
>> var font = UIFont.BoldSystemFontOfSize(h);
>> Debug.Assert(font != null, "Failed to get font of size " + h);
>> s.DrawString (p, new UIStringAttributes {
>> Font = font,
>> ForegroundColor = _textColors [(int)state],
>> });
>> }
>>
>> The 'Font = font' line is painted green.
>>
>> Initially I did not use the intermediate variable but changed the code
>> so that I could check on the font being null. Turns out it isn't: I get
>> {Helvetica-Bold 56}.
>>
>> The details of the exception seem to indicate that it really crashes
>> inside MonoTouch:
>>
>> System.ArgumentNullException: Argument cannot be null.
>> Parameter name: key
>> at MonoTouch.Foundation.DictionaryContainer.SetNativeValue
>> (MonoTouch.Foundation.NSString key, INativeObject value, Boolean
>> removeNullValue) [0x0002f] in
>> /Developer/MonoTouch/Source/maccore/src/Foundation/.pmcs-compat.DictionaryContainer.cs:343
>> at MonoTouch.UIKit.UIStringAttributes.set_Font (MonoTouch.UIKit.UIFont
>> value) [0x00000] in
>> /Developer/MonoTouch/Source/monotouch/src/UIKit/.pmcs-compat.UIStringAttributes.cs:78
>> at XOOX.Classes.PuzzleView.DrawChar (MonoTouch.CoreGraphics.CGContext g,
>> RectangleF frame, System.String c, StateType state) [0x000ad] in
>> /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:332
>> at XOOX.Classes.PuzzleView.DrawCell (RectangleF frame, System.String c,
>> TrailType trail, StateType state, System.Collections.Generic.List`1 dots)
>> [0x00066] in /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:294
>> at XOOX.Classes.PuzzleView.DrawPuzzle () [0x00163] in
>> /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:163
>> at XOOX.Classes.PuzzleView.Draw (RectangleF rect) [0x00002] in
>> /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:112
>> at at (wrapper managed-to-native)
>> MonoTouch.UIKit.UIApplication:UIApplicationMain (int,string[],intptr,intptr)
>> at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String
>> principalClassName, System.String delegateClassName) [0x0004c] in
>> /Developer/MonoTouch/Source/monotouch/src/UIKit/.pmcs-compat.UIApplication.cs:38
>> at XOOX.Application.Main (System.String[] args) [0x00008] in
>> /Users/guivho/Mono/XOOX/XOOX/Main.cs:15
>>
>> Is there some way I can prevent this error from happening?
>>
>>
>> Guido
>>
>> --
>> The way I understand it, the Russians are sort of a combination of evil and
>> incompetence... sort of like the Post Office with tanks.
>> -- Emo Philips
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