public void SetPhoto(Texture2D photo)
{
Reset();
ColorBuffer32 oldPixelBuffer = pixelBuffer;
pixelBuffer = new ColorBuffer32(photo.width, photo.height, photo.GetPixels32());
Texture oldtexture = photoRenderer.material.GetTexture("_MainTex");
Texture2D newTexture = new Texture2D(photo.width, photo.height, TextureFormat.RGB24, false);
newTexture.SetPixels32(pixelBuffer.data);
newTexture.Apply();
photoRenderer.material.SetTexture("_MainTex", newTexture);
//pixelBuffer.data = BilateralFilterTexture.Process(photo);
Debug.Log(string.Format("Pixel buffer size: {0}x{1}", newTexture.width, newTexture.height));
currentProject.SetPhoto(photo);
ResetView();
FingerCanvas.Instance.SetupCanvas();
FingerCanvas.Instance.SaveUndo();
// We should wait for the UI to complete layout setup or will get wrong coordinates
Invoke("ResetView", .01f);
// Release old texture memory
DestroyImmediate(oldPixelBuffer);
DestroyImmediate(oldtexture, true);
Resources.UnloadUnusedAssets();
System.GC.Collect();
}
public static ColorBuffer32 MedianFilter(ColorBuffer32 image, int size)
{
ColorBuffer32 newImage = new ColorBuffer32(image.width, image.height, new Color32[image.width * image.height]);
int apertureMin = -(size / 2);
int apertureMax = (size / 2);
for (int x = 0; x < newImage.width; ++x)
{
for (int y = 0; y < newImage.height; ++y)
{
List <byte> rValues = new List <byte>();
List <byte> gValues = new List <byte>();
List <byte> bValues = new List <byte>();
for (int x2 = apertureMin; x2 < apertureMax; ++x2)
{
int tempX = x + x2;
if (tempX >= 0 && tempX < newImage.width)
{
for (int y2 = apertureMin; y2 < apertureMax; ++y2)
{
int tempY = y + y2;
if (tempY >= 0 && tempY < newImage.height)
{
Color32 tempColor = image[tempX, tempY];
rValues.Add(tempColor.r);
gValues.Add(tempColor.g);
bValues.Add(tempColor.b);
}
}
}
}
rValues.Sort();
gValues.Sort();
bValues.Sort();
Color32 medianPixel = new Color32(rValues[rValues.Count / 2], gValues[gValues.Count / 2], bValues[bValues.Count / 2], (byte)255);
newImage[x, y] = medianPixel;
}
}
return(newImage);
}
override public void TouchUp(Vector2 pos)
{
FingerCanvas.Instance.SetVisible(false);
// Get the photo pixel buffer
ColorBuffer32 picelBuffer = DecoratorPanel.Instance.GetPixelBuffer();
// Grab render texture pixels
RenderTexture renderTexture = FingerCanvas.Instance.renderTexture;
RenderTexture.active = renderTexture;
if (masksTexture == null)
{
masksTexture = new Texture2D(renderTexture.width, renderTexture.height, TextureFormat.ARGB32, false);
}
masksTexture.ReadPixels(new Rect(0, 0, renderTexture.width, renderTexture.height), 0, 0);
masksTexture.Apply();
if (masksPixelBuffer == null)
{
masksPixelBuffer = new ColorBuffer32(masksTexture.width, masksTexture.height, masksTexture.GetPixels32());
}
else
{
masksPixelBuffer.data = masksTexture.GetPixels32();
}
// Do a flood fill only when the stroke is really short, (Tapping)
if (GetStrokeRadius(strokePoints) < 10)
{
//FloodFillScanLine(startCanvasPosition, maskColors[ColorsManager.Instance.GetCurrentColor()], 0.2f, 0.35f, 0.025f, picelBuffer, masksPixelBuffer);
StartCoroutine(FloodFill(startCanvasPosition, maskColors[ColorsManager.Instance.GetCurrentColor()], 0.2f, 0.35f, 0.025f, picelBuffer, masksPixelBuffer));
}
else
{
Stroke(masksPixelBuffer, ColorsManager.Instance.GetCurrentColor());
UpdateMaskPixels();
}
strokePoints.Clear();
}
private void Stroke(ColorBuffer32 masksBuffer, int currentColor)
{
switch (currentColor)
{
case 0: for (int i = 0; i < masksBuffer.data.Length; i++)
{
masksBuffer.data[i].r = (byte)Mathf.Clamp(masksBuffer.data[i].r + masksBuffer.data[i].a, 0, 255);
}
break;
case 1: for (int i = 0; i < masksBuffer.data.Length; i++)
{
masksBuffer.data[i].g = (byte)Mathf.Clamp(masksBuffer.data[i].g + masksBuffer.data[i].a, 0, 255);
}
break;
case 2: for (int i = 0; i < masksBuffer.data.Length; i++)
{
masksBuffer.data[i].b = (byte)Mathf.Clamp(masksBuffer.data[i].b + masksBuffer.data[i].a, 0, 255);
}
break;
}
}
IEnumerator FloodFill(Vector2 startPos, Color maskColor, float hueTolerance, float saturationTolerance, float valueTolerance, ColorBuffer32 pixelBuffer, ColorBuffer32 masksBuffer)
{
startTime = Time.time;
DecoratorPanel.Instance.progressIndicator.SetActive(true);
yield return(new WaitForEndOfFrame());
yield return(null);
Color32 startColor = pixelBuffer[(int)startPos.x, (int)startPos.y];
Debug.Log(HSVColor.FromColor(startColor).ToString());
Point start = new Point((int)startPos.x, (int)startPos.y, startColor);
ColorBuffer32 copyBmp = new ColorBuffer32(pixelBuffer.width, pixelBuffer.height, (Color32[])pixelBuffer.data.Clone());
copyBmp[start.x, start.y] = maskColor;
Queue <Point> openNodes = new Queue <Point>();
openNodes.Enqueue(start);
int i = 0;
int emergency = pixelBuffer.width * pixelBuffer.height;
while (openNodes.Count > 0)
{
i++;
if (i > emergency)
{
yield break;
}
Point current = openNodes.Dequeue();
int x = current.x;
int y = current.y;
Color32 currentColor = current.color;
if (x > 0 && copyBmp[x - 1, y] != Color.black && masksBuffer[x - 1, y] != maskColor)
{
ProcessPixel(x - 1, y, ref currentColor, startColor, maskColor, hueTolerance, saturationTolerance, valueTolerance, openNodes, pixelBuffer, masksBuffer, copyBmp);
}
if (x < pixelBuffer.width - 1 && copyBmp[x + 1, y] != Color.black && masksBuffer[x + 1, y] != maskColor)
{
ProcessPixel(x + 1, y, ref currentColor, startColor, maskColor, hueTolerance, saturationTolerance, valueTolerance, openNodes, pixelBuffer, masksBuffer, copyBmp);
}
if (y > 0 && copyBmp[x, y - 1] != Color.black && masksBuffer[x, y - 1] != maskColor)
{
ProcessPixel(x, y - 1, ref currentColor, startColor, maskColor, hueTolerance, saturationTolerance, valueTolerance, openNodes, pixelBuffer, masksBuffer, copyBmp);
}
if (y < pixelBuffer.height - 1 && copyBmp[x, y + 1] != Color.black && masksBuffer[x, y + 1] != maskColor)
{
ProcessPixel(x, y + 1, ref currentColor, startColor, maskColor, hueTolerance, saturationTolerance, valueTolerance, openNodes, pixelBuffer, masksBuffer, copyBmp);
}
}
UpdateMaskPixels();
DecoratorPanel.Instance.progressIndicator.SetActive(false);
Debug.Log(Time.time - startTime);
}
void FloodFillScanLine(Vector2 startPos, Color maskColor, float hueTolerance, float saturationTolerance, float valueTolerance, ColorBuffer32 pixelBuffer, ColorBuffer32 masksBuffer)
{
Color32 targetColor = pixelBuffer[(int)startPos.x, (int)startPos.y];
Point start = new Point((int)startPos.x, (int)startPos.y, targetColor);
ColorBuffer32 copyBmp = new ColorBuffer32(pixelBuffer.width, pixelBuffer.height, (Color32[])pixelBuffer.data.Clone());
Stack <Point> pixels = new Stack <Point>();
pixels.Push(start);
float tolerance = 0.5f;
while (pixels.Count != 0)
{
Point temp = pixels.Pop();
int y1 = temp.y;
while (y1 >= 0 && ColorTest2(copyBmp[temp.x, y1], targetColor, targetColor, tolerance) == true)
{
y1--;
}
y1++;
bool spanLeft = false;
bool spanRight = false;
while (y1 < pixelBuffer.height && ColorTest2(copyBmp[temp.x, y1], targetColor, targetColor, tolerance) == true)
{
copyBmp[temp.x, y1] = Color.black;
masksBuffer[temp.x, y1] = maskColor;
// Span left
if (spanLeft == false && temp.x > 0 && ColorTest2(copyBmp[temp.x - 1, y1], targetColor, targetColor, tolerance) == true)
{
pixels.Push(new Point(temp.x - 1, y1));
spanLeft = true;
}
else if (spanLeft == true && temp.x > 0 && ColorTest2(copyBmp[temp.x - 1, y1], targetColor, targetColor, tolerance) != true)
{
spanLeft = false;
}
// Span right
if (spanRight == false && temp.x < pixelBuffer.width - 1 && ColorTest2(copyBmp[temp.x + 1, y1], targetColor, targetColor, tolerance) == true)
{
pixels.Push(new Point(temp.x + 1, y1));
spanRight = true;
}
else if (spanRight == true && temp.x < pixelBuffer.width - 1 && ColorTest2(copyBmp[temp.x + 1, y1], targetColor, targetColor, tolerance) != true)
{
spanRight = false;
}
y1++;
}
}
UpdateMaskPixels();
DecoratorPanel.Instance.progressIndicator.SetActive(false);
}
private void ProcessPixel(int x, int y, ref Color32 currentColor, Color32 startColor, Color maskColor, float hueTolerance, float saturationTolerance, float valueTolerance, Queue <Point> openNodes, ColorBuffer32 pixelBuffer, ColorBuffer32 masksBuffer, ColorBuffer32 copyBmp)
{
Color32 pixel = copyBmp[x, y];
if (ColorTest(pixel, currentColor, startColor, 1) == true)
{
currentColor = pixel;
copyBmp[x, y] = Color.black;
masksBuffer[x, y] = maskColor;
openNodes.Enqueue(new Point(x, y, currentColor));
}
}