public void TestBitmapResize()
{
Color green = Color.FromArgb(0, 200, 0);
Color red = Color.FromArgb(200, 0, 0);
using (var bitmap = new Bitmap(20, 20))
{
using (var graphics = Graphics.FromImage(bitmap))
using (var gBrush = new SolidBrush(green))
using (var rBrush = new SolidBrush(red))
{
graphics.FillRectangle(gBrush, 0, 0, 10, 20);
graphics.FillRectangle(rBrush, 10, 0, 10, 20);
}
using (var sourceRepresentation = new BitmapRepresentation(bitmap))
using (var sourceBitmapEx = sourceRepresentation.CreateBitmap())
using (var destinationBitmapEx = new BitmapEx(10, 10))
{
BitmapHelpers.ResizeBitmap(sourceBitmapEx, destinationBitmapEx);
var bmp = destinationBitmapEx.GetInternal();
{
var green2 = bmp.GetPixel(3, 5);
var red2 = bmp.GetPixel(7, 5);
Assert.AreEqual(true, CompareColors(green, green2, 5));
Assert.AreEqual(true, CompareColors(red, red2, 5));
}
}
}
}
private BitmapRepresentation GetBitmapRepresentation(byte[] bitmapBytes)
{
using (var bitmapRepresentation = new BitmapRepresentation(bitmapBytes))
using (var bmpEx = bitmapRepresentation.CreateBitmap())
using (var result = LayoutContext.CreateBitmap())
{
BitmapHelpers.ResizeBitmap(bmpEx, result);
return(new BitmapRepresentation(result));
}
}
public void TestBitmapAllocations()
{
Bitmap bmp1;
using (Bitmap srcBmp = new Bitmap(100, 100))
using (BitmapRepresentation br = new BitmapRepresentation(srcBmp))
using (var bmpEx = br.CreateBitmap())
{
bmp1 = bmpEx.GetInternal();
}
Bitmap bmp2;
using (Bitmap srcBmp = new Bitmap(101, 100))
using (BitmapRepresentation br = new BitmapRepresentation(srcBmp))
using (var bmpEx = br.CreateBitmap())
{
bmp2 = bmpEx.GetInternal();
}
Bitmap bmp3;
Bitmap bmp4;
using (Bitmap srcBmp = new Bitmap(100, 100))
using (BitmapRepresentation br = new BitmapRepresentation(srcBmp))
{
using (var bmpEx1 = br.CreateBitmap())
using (var bmpEx2 = br.CreateBitmap())
{
bmp3 = bmpEx1.GetInternal();
bmp4 = bmpEx2.GetInternal();
}
}
Assert.AreEqual(bmp1, bmp3, "Instances of bitmaps of the same size are different");
Assert.AreNotEqual(bmp1, bmp2, "Instances of bitmaps of different size are the same");
Assert.AreNotEqual(bmp3, bmp4, "Not disposed image is used twice");
}
public void TestExtractLayoutDrawElements()
{
Color green = Color.FromArgb(0, 200, 0);
Color red = Color.FromArgb(200, 0, 0);
Color blue = Color.FromArgb(0, 0, 200);
Color black = Color.FromArgb(0, 0, 0);
Color gray = Color.FromArgb(100, 100, 100);
Color white = Color.FromArgb(200, 200, 200);
using (var bitmap = new Bitmap(30, 20))
{
using (var graphics = Graphics.FromImage(bitmap))
using (var rBrush = new SolidBrush(red))
using (var gBrush = new SolidBrush(green))
using (var bBrush = new SolidBrush(blue))
using (var bkBrush = new SolidBrush(black))
using (var grBrush = new SolidBrush(gray))
using (var wtBrush = new SolidBrush(white))
{
graphics.FillRectangle(rBrush, 0, 0, 10, 10);
graphics.FillRectangle(gBrush, 10, 0, 10, 10);
graphics.FillRectangle(bBrush, 20, 0, 10, 10);
graphics.FillRectangle(bkBrush, 0, 10, 10, 10);
graphics.FillRectangle(grBrush, 10, 10, 10, 10);
graphics.FillRectangle(wtBrush, 20, 10, 10, 10);
}
var initializer = new Initializer();
using (var sourceRepresentation = new BitmapRepresentation(bitmap))
using (var sourceBitmapEx = sourceRepresentation.CreateBitmap())
{
var ldes = BitmapHelpers.ExtractLayoutDrawElements(sourceBitmapEx, new DeviceSize(3, 2), 5, 3, initializer.LayoutContext).ToArray();
Assert.AreEqual(true, CheckColorOfElement(ldes, 5, 3, red));
Assert.AreEqual(true, CheckColorOfElement(ldes, 6, 3, green));
Assert.AreEqual(true, CheckColorOfElement(ldes, 7, 3, blue));
Assert.AreEqual(true, CheckColorOfElement(ldes, 5, 4, black));
Assert.AreEqual(true, CheckColorOfElement(ldes, 6, 4, gray));
Assert.AreEqual(true, CheckColorOfElement(ldes, 7, 4, white));
}
}
}
private void OnDrawLayout(object sender, DrawEventArgs e)
{
BitmapEx currentBitmap;
lock (_bitmapLock)
{
currentBitmap = _currentRepresentation.CreateBitmap();
foreach (var element in e.Elements)
{
var destRect = new Rectangle(_buttonShift.Width + element.Location.X * _individualButtonSize.Width, _buttonShift.Height + element.Location.Y * _individualButtonSize.Height, _individualButtonSize.Width, _individualButtonSize.Height);
using (var sourceBitmap = element.BitmapRepresentation.CreateBitmap())
{
BitmapHelpers.ResizeBitmap(sourceBitmap, currentBitmap, destRect);
element.BitmapRepresentation.Dispose();
}
}
DisposeHelper.DisposeAndNull(ref _currentRepresentation);
_currentRepresentation = new BitmapRepresentation(currentBitmap);
}
DrawInvoke(new[] { new LayoutDrawElement(new Location(0, 0), currentBitmap) });
}