Binary Tips - Revision history

Kent: /* Example Image in / out */

2013-05-20T19:13:02Z

‎Example Image in / out

Kent: /* Example Image in / out */

2013-05-20T19:10:00Z

‎Example Image in / out

Kent at 19:08, 20 May 2013

2013-05-20T19:08:32Z

Kent: /* Example Binary Functions */

2013-05-02T01:47:34Z

‎Example Binary Functions

Kent: /* Example Binary Functions */

2013-05-02T01:43:33Z

‎Example Binary Functions

Kent: /* Example Binary Functions */

2013-05-02T01:36:24Z

‎Example Binary Functions

Kent: /* Example Binary Functions */

2013-05-02T01:30:28Z

‎Example Binary Functions

Kent: /* Example Binary Functions */

2013-05-02T01:28:42Z

‎Example Binary Functions

Kent: /* Example Binary Functions */

2013-04-25T21:31:18Z

‎Example Binary Functions

Kent: /* Example Binary Functions */

2013-04-25T21:30:52Z

‎Example Binary Functions

@@ Line 40: / Line 40: @@
 =Example Image in / out=
-This example code takes an image as the first parameter - then loops through all 'streams' and only returns the JPEG or GIF stream (with it's size data)
+This example code takes an image as the first parameter - then loops through all 'streams' and then returns only the JPEG or GIF stream (with it's size data) - in effect removing any other data streams.
   FMX_PROC(fmx::errcode) Do_Graphics_ImageOnly(short /* funcId */, const fmx::ExprEnv& /* environment */, const fmx::DataVect& dataVect, fmx::Data& results )

@@ Line 39: / Line 39: @@
 =Example Image in / out=
   FMX_PROC(fmx::errcode) Do_Graphics_ImageOnly(short /* funcId */, const fmx::ExprEnv& /* environment */, const fmx::DataVect& dataVect, fmx::Data& results )
@@ Line 112: / Line 114: @@
+  }
 =Example Image Creation=

← Older revision		Revision as of 19:08, 20 May 2013
Line 38:		Line 38:


−	=Example ~~Binary Functions~~=	+	=Example Image in / out=
		+
		+	FMX_PROC(fmx::errcode) Do_Graphics_ImageOnly(short /* funcId /, const fmx::ExprEnv& / environment */, const fmx::DataVect& dataVect, fmx::Data& results )
		+	{
		+	fmx::errcode err = -1;
		+	fmx::QuadCharAutoPtr bufType;
		+	fmx::BinaryDataAutoPtr out;
		+
		+	void * buffer;
		+	long item, count, size;
		+	short w = 0, h = 0;
		+	bool haveImage = false;
		+
		+	fmx::uint32 nParams = dataVect.Size(); // get the number of Parameters the user has passed.
		+
		+	fmx::QuadCharAutoPtr jpeg('J', 'P', 'E', 'G');
		+	fmx::QuadCharAutoPtr gif('G', 'I', 'F', 'f');
		+	uint32 jpegMacType = jpeg->GetMacType();
		+	uint32 gifMacType = gif->GetMacType();
		+
		+
		+	if( nParams == 1 )
		+	{
		+	const fmx::BinaryData& g = dataVect.AtAsBinaryData( 0 ); // get the container details
		+
		+	count = g.GetCount();
		+
		+	err = g.GetSIZEData(w, h);
		+
		+	if( err == 0)
		+	{
		+	for(item = 0; item <= count; item++)
		+	{
		+	g.GetType(item, *bufType);
		+	uint32 bufMacType = bufType->GetMacType();
		+
		+	if( (bufMacType == jpegMacType) \|\| (bufMacType == gifMacType) ) // is this a JPEG or GIFf stream ?
		+	{
		+	size = g.GetSize( item );
		+	if( size > 0 )
		+	{
		+
		+	buffer = new void *[ size ];
		+	if( buffer != NULL ) // make sure the memory was allocated
		+	{
		+	err = g.GetData ( item, 0, size, buffer );
		+
		+	if (err == 0)
		+	{
		+	err = out->Add ( *bufType, size, buffer );
		+	haveImage = (err == 0);
		+	}
		+
		+	free( buffer ); // release the memory we just allocated
		+	}
		+	}
		+	}
		+	}
		+	}
		+	}
		+
		+	if( (haveImage) && (err == 0) )
		+	{
		+	err = out->AddSIZEData( w, h ); // all images must have a size specified
		+	if( err == 0) results.SetBinaryData ( *out );
		+
		+	} else {
		+	// No image, handle appropriately
		+	}
		+
		+
		+	return err;
		+
		+	}
		+
		+
		+	=Example Image Creation=

@@ Line 207: / Line 207: @@
   	BitmapData * bitmapData = new BitmapData;
-  	outBM->LockBits( &r, ImageLockModeRead, PixelFormat32bppARGB, bitmapData );   	// Lock the bitmapData - must release it after 'CreateBitmapFromMemory'
+  	outBM->LockBits( &r, ImageLockModeRead, PixelFormat32bppARGB, bitmapData );   		// Lock the bitmapData - must release it after 'CreateBitmapFromMemory'
   	BYTE* pixels = (BYTE*)bitmapData->Scan0;						// This is the Bitmap image raw data

← Older revision		Revision as of 01:43, 2 May 2013
Line 80:		Line 80:
	}		}

		+	WARNING: No error checking is included in the code below !

@@ Line 86: / Line 86: @@
   #if defined(FMX_MAC_TARGET)
   unsigned char * returnGraphicImage( long width, long height, long *outSize )
+  {
@@ Line 157: / Line 159: @@
   #if defined(FMX_WIN_TARGET)
   unsigned char * returnTimetableImage( long width, long height, long* outSize )
+  {

@@ Line 81: / Line 81: @@
@@ Line 165: / Line 149: @@
   	*outSize = size;	// return the size of our created buffer
   	return outBuffer;	// and the buffer itself
+  }
   #endif

@@ Line 42: / Line 42: @@
 The following example code shows how to create a bitmap image, convert it to PNG and return to FileMaker
@@ Line 83: / Line 82: @@
   #if defined(FMX_WIN_TARGET)
@@ Line 101: / Line 100: @@
 The 'returnGraphicImage' function for Mac:
   #if defined(FMX_MAC_TARGET)

← Older revision		Revision as of 21:30, 25 April 2013
Line 81:		Line 81:
	}		}

		+
		+
		+	The 'returnGraphicImage' function for Mac:
		+
		+
		+	#if defined(FMX_WIN_TARGET)
		+	unsigned char * returnGraphicImage( long width, long height, long *outSize )
		+	{
		+	long size = 0;
		+	unsigned char outBuffer = NULL;
		+
		+	// This is a work in progress !
		+
		+	*outSize = size; // return the size of our created buffer
		+	return outBuffer; // and the buffer itself
		+	}
		+	#endif