//--------------------------------------------------------------------//
// M e t h o d //
// b t n G e t P r o p e r t i e s _ C l i c k //
//--------------------------------------------------------------------//
// //
// Called when the 'Get Properties' button is clicked. //
// //
//--------------------------------------------------------------------//
private void btnGetProperties_Click(object sender, RoutedEventArgs e)
{
Int32 result = 0;
Int32 srcWidth = 0,
srcHeight = 0,
srcResX = 0,
srcResY = 0;
UInt32 srcCompression = 0,
srcPaletteEntries = 0;
UInt16 srcBitsPerPixel = 0;
Boolean srcBlackWhite = false;
Boolean bitmapOpen = false;
bitmapOpen = ToolImageBitmapCore.bitmapOpen(_bitmapFilename);
if (!bitmapOpen)
{
result = -1;
}
if (result == 0)
{
result = ToolImageBitmapCore.readBmpFileHeader();
}
if (result == 0)
{
result = ToolImageBitmapCore.readBmpInfoHeader();
}
if (result == 0)
{
result = ToolImageBitmapCore.readBmpPalette();
}
ToolImageBitmapCore.getBmpInfo(ref srcWidth,
ref srcHeight,
ref srcBitsPerPixel,
ref srcCompression,
ref srcResX,
ref srcResY,
ref srcPaletteEntries,
ref srcBlackWhite);
txtSrcWidth.Text = srcWidth.ToString();
txtSrcHeight.Text = srcHeight.ToString();
txtSrcResX.Text = srcResX.ToString();
txtSrcResY.Text = srcResY.ToString();
txtSrcResXDpi.Text = ((Int32)(srcResX / 39.37)).ToString();
txtSrcResYDpi.Text = ((Int32)(srcResY / 39.37)).ToString();
txtSrcBPP.Text = srcBitsPerPixel.ToString();
txtSrcCompression.Text = srcCompression.ToString();
txtSrcMonoBW.Text = srcBlackWhite.ToString();
grpProps.Visibility = Visibility.Visible;
if (bitmapOpen)
{
ToolImageBitmapCore.bitmapClose();
}
}
//--------------------------------------------------------------------//
// M e t h o d //
// g e n e r a t e I m a g e //
//--------------------------------------------------------------------//
// //
// Generate print equivalent of bitmap image. //
// //
//--------------------------------------------------------------------//
private static void generateImage(BinaryWriter prnWriter,
Single destPosX,
Single destPosY,
Int32 destScalePercentX,
Int32 destScalePercentY,
Int32 rasterResolution)
{
Byte[] bufStd = new Byte[1024];
Int32 srcWidth = 0,
srcHeight = 0,
srcResX = 0,
srcResY = 0;
UInt32 srcCompression = 0,
srcPaletteEntries = 0;
UInt16 srcBitsPerPixel = 0;
Boolean srcBlackWhite = false;
ToolImageBitmapCore.getBmpInfo(ref srcWidth,
ref srcHeight,
ref srcBitsPerPixel,
ref srcCompression,
ref srcResX,
ref srcResY,
ref srcPaletteEntries,
ref srcBlackWhite);
if (srcCompression != 0)
{
MessageBox.Show("Bitmaps: compressed formats not supported",
"Bitmap file",
MessageBoxButton.OK,
MessageBoxImage.Exclamation);
return;
}
else if ((srcBitsPerPixel != 1) &&
(srcBitsPerPixel != 4) &&
(srcBitsPerPixel != 24))
{
MessageBox.Show("Bitmaps: only 1-, 4- and 24-bit supported",
"Bitmap file",
MessageBoxButton.OK,
MessageBoxImage.Exclamation);
return;
}
else if (srcHeight < 0)
{
MessageBox.Show("Bitmaps: top-down DIBs not supported",
"Bitmap file",
MessageBoxButton.OK,
MessageBoxImage.Exclamation);
return;
}
generateImageHeader(prnWriter,
srcBitsPerPixel,
srcWidth,
srcHeight,
srcResX,
srcResY,
destPosX,
destPosY,
destScalePercentX,
destScalePercentY,
rasterResolution,
srcPaletteEntries,
srcBlackWhite);
generateImageData(prnWriter,
srcBitsPerPixel,
srcWidth,
srcHeight);
generateImageTrailer(prnWriter);
}