static void Init()
{
window = (PixelKit)EditorWindow.GetWindow(typeof(PixelKit));
window.titleContent = new GUIContent(appName);
window.minSize = new Vector2(680, 710); // default size, currently locked
window.maxSize = new Vector2(681, 711);
}
void SaveToSelectedImage()
{
if (selectedTexture == null)
{
return;
}
string path = AssetDatabase.GetAssetPath(selectedTexture);
var bytes = canvas.EncodeToPNG();
//Debug.Log(path);
File.WriteAllBytes(path, bytes);
AssetDatabase.Refresh(ImportAssetOptions.ForceUpdate);
wasModified = false;
if (!window)
{
window = (PixelKit)EditorWindow.GetWindow(typeof(PixelKit));
}
window.titleContent = new GUIContent(appName);
}
} // OnGUI
void GUIEvents()
{
Event current = Event.current;
bool altDown = false;
// bool ctrlDown=false;
// bool shiftDown=false;
if (Event.current.alt)
{
altDown = true;
}
//if (Event.current.shift) shiftDown = true;
//if (Event.current.control) ctrlDown = true;
if (current.type == EventType.ScrollWheel)
{
if (altDown) // adjust alpha only
{
paintColor1.a -= Mathf.Sign(current.delta.y) * mouseWheelSpeed;
paintColor1.a = Mathf.Clamp01(paintColor1.a);
}
else // darken/lighten color
{
paintColor1.r -= Mathf.Sign(current.delta.y) * mouseWheelSpeed;
paintColor1.g -= Mathf.Sign(current.delta.y) * mouseWheelSpeed;
paintColor1.b -= Mathf.Sign(current.delta.y) * mouseWheelSpeed;
paintColor1.r = Mathf.Clamp01(paintColor1.r);
paintColor1.g = Mathf.Clamp01(paintColor1.g);
paintColor1.b = Mathf.Clamp01(paintColor1.b);
CurrentCellOutlineRebuild();
}
HandleUtility.Repaint();
}
if (current.type == EventType.KeyDown)
{
switch (current.keyCode)
{
case KeyCode.X: // x key, swap colors
Color tempColor = paintColor1;
paintColor1 = paintColor2;
paintColor2 = tempColor;
current.Use();
CurrentCellOutlineRebuild();
break;
case KeyCode.D: // d key, restore default colors
paintColor1 = Color.black;
paintColor2 = Color.white;
current.Use();
CurrentCellOutlineRebuild();
break;
case KeyCode.I: // i key, invert color1
paintColor1.r = 1 - paintColor1.r;
paintColor1.g = 1 - paintColor1.g;
paintColor1.b = 1 - paintColor1.b;
current.Use();
CurrentCellOutlineRebuild();
break;
case KeyCode.B: // b key, brush
toolbarMode = defaultToolBarMode;
current.Use();
break;
case KeyCode.F: // f key, fill
toolbarMode = 2;
current.Use();
break;
case KeyCode.Alpha1: // 1 = quick color slot 1
paintColor1 = quickColor1;
current.Use();
CurrentCellOutlineRebuild();
break;
case KeyCode.Alpha2: // 2 = quick color slot 2
paintColor1 = quickColor2;
current.Use();
CurrentCellOutlineRebuild();
break;
case KeyCode.Alpha3: // 3 = quick color slot 3
paintColor1 = quickColor3;
current.Use();
CurrentCellOutlineRebuild();
break;
}
} // keypress
// repaint after undo
if (Event.current.type == EventType.ValidateCommand)
{
switch (Event.current.commandName)
{
case "UndoRedoPerformed":
HandleUtility.Repaint();
break;
}
}
current = Event.current;
// mouse buttons
if (current.type == EventType.MouseDrag || current.type == EventType.MouseDown)
{
int x = (int)(current.mousePosition.x - leftOffsetX);
int y = (int)(current.mousePosition.y - topOffsetY);
int px = (int)(x / pixelSizeAdjust);
int py = (int)((imageSize * pixelSizeAdjust - y) / pixelSizeAdjust);
// check canvas bounds
if (x >= 0 && x < imageSize * pixelSizeAdjust && y >= 0 && y < imageSize * pixelSizeAdjust)
{
if (toolbarMode == 1) // Brush
{
switch (current.button)
{
case 0: // left mouse button (paint)
Undo.RecordObject(canvas, "Paint " + px + "," + py);
canvas.SetPixel(px, py, paintColor1);
if (mirrorX)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, py, paintColor1);
}
if (mirrorY)
{
canvas.SetPixel(px, imageSize - py, paintColor1);
}
if (mirrorX && mirrorY)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, imageSize - 1 - py, paintColor1);
}
break;
case 2: // middle mouse button (color pick)
paintColor1 = canvas.GetPixel(px, py);
break;
case 1: // right mouse button (clear)
Undo.RecordObject(canvas, "Erase " + px + "," + py);
if (altDown) // smart erase
{
if (Compare4Neighbours(px, py))
{
Color32 smartEraseColor = canvas.GetPixel(px, py + 1);
canvas.SetPixel(px, py, smartEraseColor);
if (mirrorX)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, py, smartEraseColor);
}
if (mirrorY)
{
canvas.SetPixel(px, imageSize - mirrorXOffset - py, smartEraseColor);
}
if (mirrorX && mirrorY)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, imageSize - 1 - py, smartEraseColor);
}
}
else // use average instead
{
Color32 smartEraseColor = GetAverageNeighbourColor4(px, py);
canvas.SetPixel(px, py, smartEraseColor);
if (mirrorX)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, py, smartEraseColor);
}
if (mirrorY)
{
canvas.SetPixel(px, imageSize - mirrorXOffset - py, smartEraseColor);
}
if (mirrorX && mirrorY)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, imageSize - 1 - py, smartEraseColor);
}
}
}
else
{
canvas.SetPixel(px, py, clearColor);
if (mirrorX)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, py, clearColor);
}
if (mirrorY)
{
canvas.SetPixel(px, imageSize - 1 - py, clearColor);
}
if (mirrorX && mirrorY)
{
canvas.SetPixel(imageSize - mirrorXOffset - px, imageSize - 1 - py, clearColor);
}
}
break;
}
}
if (toolbarMode == 2) // floodfill
{
switch (current.button)
{
case 0: // left mouse button
Undo.RecordObject(canvas, "Floodfill " + px + "," + py);
floodFill(px, py, canvas.GetPixel(px, py), paintColor1);
break;
case 2: // middle mouse button
paintColor1 = canvas.GetPixel(px, py);
break;
case 1: // right mouse button erase
Undo.RecordObject(canvas, "Erase " + px + "," + py);
canvas.SetPixel(px, py, paintColor2);
break;
}
}
canvas.Apply(false);
if (!wasModified)
{
}
{
if (!window)
{
window = (PixelKit)EditorWindow.GetWindow(typeof(PixelKit));
}
window.titleContent = new GUIContent(appName + "*");
wasModified = true;
}
if (automaticOutline)
{
DrawOutline();
}
HandleUtility.Repaint();
}
}
// show mouse cursor pixel preview
if (mouseCursorPixel)
{
int x = (int)current.mousePosition.x - leftOffsetX;
int y = (int)current.mousePosition.y - topOffsetY;
int y2 = (int)current.mousePosition.y;
if (x >= 0 && x < imageSize * pixelSizeAdjust && y >= 0 && y < imageSize * pixelSizeAdjust)
{
// get pixel coords
mouseX = x / pixelSizeAdjust;
mouseY = (imageSize * pixelSizeAdjust - y) / pixelSizeAdjust;
if (x != mouseCursorPixelPosX || y != mouseCursorPixelPosY || paintColor1.ToString() != oldpaintColor1.ToString())
{
HandleUtility.Repaint();
}
mouseCursorPixelPosX = x;
mouseCursorPixelPosY = y;
oldpaintColor1 = paintColor1;
int gridX = (x) / pixelSizeAdjust * pixelSizeAdjust + leftOffsetX;
int gridY = (y2 / pixelSizeAdjust) * pixelSizeAdjust;
GUI.DrawTextureWithTexCoords(new Rect(gridX - 1, gridY - 1, pixelSizeAdjust + 2, pixelSizeAdjust + 2), gridCellOutLine, new Rect(0f, 0f, 1f, 1f), true);
}
else
{
// TODO: repaint only once..?
HandleUtility.Repaint();
}
}
} // GUIEvents()
