Are you using SDK 3.0??? This sample was designed for 3.0.
Regards,
Alan Ingleby
Systems Developer
ProfitLink Consulting Pty Ltd
309 Burwood Road
Hawthorn
Victoria 3122
Australia
"Vijay Raghavan" <[EMAIL PROTECTED]> wrote in message
news:55768@palm-dev-forum...
>
> Hi all
> Anybody gone through the sample Signature++-1 which converts a signature
into a bitmap and then stores it in a database?Kindly help. The sample
creates an offscreen window to copy the bits bound by the gadget and then
copies the gadget's screen rectangle into the new window. It then allocates
the bitmap and sets all the important bits of information.
> The sample is using some member variables of Window Type structure which
are not probably supported. like:
> WinHandle theWindowHandle;
> theBitmapPtr->height = theWindowHandle->gDeviceP->height;
> theBitmapPtr->rowBytes = theWindowHandle->gDeviceP->rowBytes;
> etc.
> theWindowHandle is of type WinHandle. The document describes WinHandle as:
typedef WindowType * WinHandle;
> and WindowType structure nowhere has member like gDeviceP.
> The compiler barfs at gDeviceP saying unidentified identifier( obviously)
> I have replaced the gDeviceP with bitmapP , but have run into memory
problems where the program tries to move the offscreen bits into the bitmap.
> // Move the offscreen bits into our bitmap. The baseAddr field
> // contains the bit array of our bitmap for 1-bit, uncompressed //bitmaps.
>
> MemMove( (MemPtr)((UInt32)(theBitmapPtr) + sizeof(BitmapType)),
> theWindowHandle->gDeviceP->baseAddr, theRowBytes * theHeight );
> // I have replaced theWindowHandle->gDeviceP->baseAddr with
theWindowHandle->bitmapP
> but the error says that Application has just read directly from memory
location which is in an unallocated chunk of memory
> How do I get the Base address of the bitmap ( or bit array of the bitmap)
>
> PS : I am using ver PalmOS 3.2
> thanks a lot
> Vijay
>
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