public void CopyRegionTest()
{
// Generate a random 20 x 20 bitmap
Bitmap bmp = new Bitmap(20, 20);
Random r = new Random();
for (int x = 0; x < bmp.Width; x++)
{
for (int y = 0; y < bmp.Height; y++)
{
bmp.SetPixel(x, y, Color.FromArgb(255, Color.FromArgb(r.Next())));
}
}
// Initialize a grid of the random bitmap
DrawingGrid grid = new DrawingGrid(bmp, 10, 1);
// Generate a random inbounds rectangle
Rectangle inBounds = new Rectangle(0, 0, r.Next(20), r.Next(20));
// Copy the inbounds region
DrawingGrid.GridCell[,] copy = grid.CopyRegion(inBounds);
// Verify that the region was correctly copied
copyVerifier(copy, grid);
// Generate a random out of bounds (on the right) rectangle
Rectangle outR = new Rectangle(0, 0, r.Next(21, 40), r.Next(20));
// Copy the region
copy = grid.CopyRegion(outR);
// Verify
copyVerifier(copy, grid);
// Generate a random out of bounds (on the bottom) rectangle
Rectangle outB = new Rectangle(0, 0, r.Next(20), r.Next(21, 40));
// Copy the region
copy = grid.CopyRegion(outB);
// Verify
copyVerifier(copy, grid);
// Generate a random out of bounds rectangle
Rectangle outBR = new Rectangle(0, 0, r.Next(21, 40), r.Next(21, 40));
// Copy the region
copy = grid.CopyRegion(outB);
// Verify
copyVerifier(copy, grid);
}
/***********************************************************************/
/* DRAG */
/***********************************************************************/
private void DragDown(MouseEventArgs e)
{
drawX = e.X;
drawY = e.Y;
tempClipboard = Grid.CopyRegion(selectedRegion);
Grid.ClearRegion(selectedRegion);
dragable = true;
}