public void TestShift()
{
var sourceImage = new CodedImage {
Size = new Size(200, 150)
};
var cropController = new ImageCropController(new ImageCropManipulator(sourceImage));
var visualZoomedCropController = new VisualZoomCropController(cropController, new Size(60, 50));
using (visualZoomedCropController.SuspendUpdateVisualImage())
{
visualZoomedCropController.ZoomPercent = 50;
visualZoomedCropController.CropKind = ImageCropper.CropKind.Rectangle;
visualZoomedCropController.SetCropRectForTest(new Rectangle(0, 0, 100, 75));
}
visualZoomedCropController.OnTouched(new Point(20, 20));
visualZoomedCropController.OnShift(new Point(0, 10)); // Shift on distance (-20, -10)
visualZoomedCropController.OnUntouched(new Point(0, 10));
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(-10, -5), new Size(5, 10), new Rectangle(15, 15, 45, 30)); // Left-top
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(40, -5), new Size(5, 10), new Rectangle(10, 15, 55, 30)); // Right-top
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(-10, 35), new Size(5, 10), new Rectangle(15, 5, 45, 50)); // Left-bottom
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(40, 35), new Size(5, 10), new Rectangle(10, 5, 55, 50)); // Right-bottom
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(-10, 15), new Size(5, 10), new Rectangle(15, 5, 45, 40)); // Left
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(15, -5), new Size(5, 10), new Rectangle(10, 15, 50, 30)); // Top
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(40, 15), new Size(5, 10), new Rectangle(10, 5, 55, 40)); // Right
AssertShift(visualZoomedCropController, new Rectangle(10, 5, 50, 40), new Point(15, 35), new Size(5, 10), new Rectangle(10, 5, 50, 50)); // Bottom
}
public void TestUpdateVisualImageCore()
{
var sourceImage = new CodedImage {
Size = new Size(80, 60)
};
int[] sourcePixels;
using (sourceImage.LockPixels(out sourcePixels))
{
for (int i = 0; i < sourcePixels.Length; i++)
{
sourcePixels[i] = 0x00FF7700;
}
}
var cropController = new ImageCropController(new ImageCropManipulator(sourceImage));
var visualZoomedCropController = new VisualZoomCropController(cropController, sourceImage.Size); // To keep simple without points translation
Assert.AreEqual(100, visualZoomedCropController.ZoomPercent, "Precondition.");
using (visualZoomedCropController.SuspendUpdateVisualImage())
{
visualZoomedCropController.CropKind = ImageCropper.CropKind.Rectangle;
visualZoomedCropController.SetCropRectForTest(new Rectangle(10, 10, 55, 35));
visualZoomedCropController.UpdateVisualImage();
}
AssertVisualColor(visualZoomedCropController, 0x00FF7700, "Should be source color.", new Point(30, 20), new Point(40, 30));
AssertVisualColor(visualZoomedCropController, 0x00FF7700.HalfToneLow(), "Should be darkened color on sizers.", new Point(10, 10), new Point(35, 10), new Point(65, 10), new Point(10, 25), new Point(65, 10), new Point(10, 45), new Point(35, 45), new Point(65, 45));
AssertVisualColor(visualZoomedCropController, 0x00FF7700.ThreeQuarterToneHigh(), "Should be faded color outside crop region.", new Point(0, 0), new Point(70, 50));
AssertVisualColor(visualZoomedCropController, 0x00FF7700, "Should be source color in corner of rectangle.", new Point(16, 10), new Point(10, 16));
using (visualZoomedCropController.SuspendUpdateVisualImage())
{
visualZoomedCropController.CropKind = ImageCropper.CropKind.Arc;
visualZoomedCropController.UpdateVisualImage();
}
AssertVisualColor(visualZoomedCropController, 0x00FF7700, "Should be source color.", new Point(30, 20), new Point(40, 30));
AssertVisualColor(visualZoomedCropController, 0x00FF7700.HalfToneLow(), "Should be darkened color on sizers.", new Point(10, 10), new Point(35, 10), new Point(65, 10), new Point(10, 25), new Point(65, 25), new Point(10, 45), new Point(35, 45), new Point(65, 45));
AssertVisualColor(visualZoomedCropController, 0x00FF7700.ThreeQuarterToneHigh(), "Should be faded color outside crop region.", new Point(0, 0), new Point(70, 50));
AssertVisualColor(visualZoomedCropController, 0x00FF7700.ThreeQuarterToneHigh(), "Should be faded color in corner of arc.", new Point(16, 10), new Point(10, 16));
}
