ZPlay::DrawBitmapToHWND Method

Draw HBITMAP on window control. Only in version 2.00 and above.

C++

virtual __stdcall int DrawBitmapToHWND(void * hwnd, int X, int Y, int Width, int Height, void * hBitmap) = 0;

Parameters

Parameters	Description
void * hwnd	Window handle, identifies the window.
int X	Specifies the logical x-coordinate of the upper-left corner of the destination rectangle.
int Y	Specifies the logical y-coordinate of the upper-left corner of the destination rectangle.
int Width	Specifies the logical width of the destination rectangle. If this value is 0, function will use original width of specified bitmap.
int Height	Specifies the logical height of the destination rectangle. If this value is 0, function will use original height of specified bitmap.
void * hBitmap	Bitmap handle to draw.

Return Values

Return Values	Description
1	All OK.
0	Error. To get error message read here.

Remarks

This function is using StretchBlt API to draw HBITMAP on screen. If you set Width and Height to 0, function will use width and height of hBitmap to determine drawing area. If you specify your own width and height, function will stretch hBitmap to specified dimensions.

Example

Load ID3 info from current stream and draw picture on screen.

ZPlay C++ Class interface

TID3InfoEx id3_info;
if(instance->LoadID3Ex(&id3_info, 1))
{

  if(id3_info.Picture.CanDrawPicture)
      instance->DrawBitmapToHWND(NULL, 0, 0, 0, 0, id3_info.Picture.hBitmap);
  else
  {
     // can't decode attached image to hBitmap, use PictureData and PictureDataSize
     // to decode this format by your own image decoder
  }
}

Group

ZPlay Methods

Web: http://libzplay.sourceforge.net/

Email: zcindori@inet.hr

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