Ejemplos de roadmap_canvas_agg_configure en C++ (Cpp)

Ejemplo n.º 1

Archivo: roadmap_canvas_agg.cpp Proyecto: GitPicz/waze

/*************************************************************************************************
 * roadmap_canvas_new()
 * Memory allocation for the new canvas
 */
EXTERN_C void roadmap_canvas_new ()
{
	int lBytes2Allocate;
	int lStride;

	roadmap_log( ROADMAP_INFO, "Canvas new .... \n" );

	// The gAndrCanvas has to be initialized before calling this function
	if ( !gAndrCanvas.width || !gAndrCanvas.height )
	{
		roadmap_log( ROADMAP_ERROR, "Canvas failed - canvas properties are incorrect or weren't set \n" );
		return;
	}
	// If canvas already allocated - free the memory
	if ( gAndrCanvas.pCanvasBuf )
	{
		free( gAndrCanvas.pCanvasBuf );
		gAndrCanvas.pCanvasBuf = NULL;
	}
	// Allocate the memory for the canvas
	lStride = DEFAULT_BPP * gAndrCanvas.width;
	lBytes2Allocate = lStride * gAndrCanvas.height;
	gAndrCanvas.pCanvasBuf = ( unsigned int * ) calloc( lBytes2Allocate, 1 );

	if ( !gAndrCanvas.pCanvasBuf )
	{
		roadmap_log( ROADMAP_ERROR, "Canvas allocation failed \n" );
		return;
	}
	// There are no alignment problems ....
	roadmap_canvas_agg_configure( ( unsigned char* ) gAndrCanvas.pCanvasBuf, gAndrCanvas.width,
									 gAndrCanvas.height, lStride );
	// Run the configurator
	(*RoadMapCanvasConfigure) ();
	// Notify about system event
	roadmap_device_event_notification( device_event_window_orientation_changed);
	// Restore keyboard if suppposed to be visible
	if ( roadmap_native_keyboard_visible() )
	{
		RMNativeKBParams params;
		roadmap_native_keyboard_get_params( &params );
		roadmap_native_keyboard_show( &params );
	}
}

Ejemplo n.º 2

Archivo: roadmap_canvas_agg.cpp Proyecto: NNN-zz/Freemap-waze

HWND roadmap_canvas_new (HWND hWnd, HWND tool_bar) {
   HDC hdc;
   static BITMAPINFO* bmp_info = (BITMAPINFO*) malloc(sizeof(BITMAPINFO) +
                                       (sizeof(RGBQUAD)*3)); 
   HBITMAP bmp;
   void* buf = 0;
   
   memset(bmp_info, 0, sizeof(BITMAPINFO) + sizeof(RGBQUAD)*3);

   if (RoadMapDrawingBuffer != NULL) {
      
      DeleteObject(SelectObject(RoadMapDrawingBuffer, OldBitmap));
      DeleteDC(RoadMapDrawingBuffer);
   }
   
   hdc = GetDC(RoadMapDrawingArea);
   
   RoadMapDrawingArea = hWnd;
   GetClientRect(hWnd, &ClientRect);
   if (tool_bar != NULL) {
      RECT tb_rect;
      GetClientRect(tool_bar, &tb_rect);
	  if (tb_rect.bottom < (ClientRect.bottom-2)) {
		ClientRect.top += tb_rect.bottom + 2;
	  }
   }
   
   
   RoadMapDrawingBuffer = CreateCompatibleDC(hdc);
   
   bmp_info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); 
   bmp_info->bmiHeader.biWidth = ClientRect.right;
   bmp_info->bmiHeader.biHeight = ClientRect.bottom; 
   bmp_info->bmiHeader.biPlanes = 1; 
   bmp_info->bmiHeader.biBitCount = 16; 
   bmp_info->bmiHeader.biCompression = BI_BITFIELDS; 
   bmp_info->bmiHeader.biSizeImage = 0; 
   bmp_info->bmiHeader.biXPelsPerMeter = 0; 
   bmp_info->bmiHeader.biYPelsPerMeter = 0; 
   bmp_info->bmiHeader.biClrUsed = 0; 
   bmp_info->bmiHeader.biClrImportant = 0; 
   ((DWORD*)bmp_info->bmiColors)[0] = 0xF800;
   ((DWORD*)bmp_info->bmiColors)[1] = 0x07E0;
   ((DWORD*)bmp_info->bmiColors)[2] = 0x001F; 
   
   bmp = CreateDIBSection( 
      RoadMapDrawingBuffer, 
      bmp_info, 
      DIB_RGB_COLORS, 
      &buf, 
      0, 
      0 
      ); 
   
   int stride = ((ClientRect.right * 2 + 3) >> 2) << 2;
   roadmap_canvas_agg_configure((unsigned char*)buf,
      ClientRect.right,
      ClientRect.bottom,
      -stride);
      
   OldBitmap = (HBITMAP)SelectObject(RoadMapDrawingBuffer, bmp);
   
   DeleteDC(hdc);
   (*RoadMapCanvasConfigure) ();
   
   return RoadMapDrawingArea;
}