public void CreateNewOutline(Rect rectOutline)
{
Rect rect = m_Selected.rect;
if (rect.Contains(rectOutline.min) && rect.Contains(rectOutline.max))
{
RecordUndo();
SpriteOutline so = new SpriteOutline();
Vector2 outlineOffset = new Vector2(0.5f * rect.width + rect.x, 0.5f * rect.height + rect.y);
Rect selectionRect = new Rect(rectOutline);
selectionRect.min = SnapPoint(rectOutline.min);
selectionRect.max = SnapPoint(rectOutline.max);
so.Add(CapPointToRect(new Vector2(selectionRect.xMin, selectionRect.yMin), rect) - outlineOffset);
so.Add(CapPointToRect(new Vector2(selectionRect.xMin, selectionRect.yMax), rect) - outlineOffset);
so.Add(CapPointToRect(new Vector2(selectionRect.xMax, selectionRect.yMax), rect) - outlineOffset);
so.Add(CapPointToRect(new Vector2(selectionRect.xMax, selectionRect.yMin), rect) - outlineOffset);
selectedShapeOutline.Add(so);
spriteEditorWindow.SetDataModified();
shapeEditorDirty = true;
}
}
protected static List <SpriteOutline> GenerateSpriteRectOutline(Rect rect, float detail, byte alphaTolerance, ITextureDataProvider textureProvider)
{
List <SpriteOutline> outline = new List <SpriteOutline>();
var texture = textureProvider.GetReadableTexture2D();
if (texture != null)
{
Vector2[][] paths;
// we might have a texture that is capped because of max size or NPOT.
// in that case, we need to convert values from capped space to actual texture space and back.
int actualWidth = 0, actualHeight = 0;
int cappedWidth, cappedHeight;
textureProvider.GetTextureActualWidthAndHeight(out actualWidth, out actualHeight);
cappedWidth = texture.width;
cappedHeight = texture.height;
Vector2 scale = new Vector2(cappedWidth / (float)actualWidth, cappedHeight / (float)actualHeight);
Rect spriteRect = rect;
spriteRect.xMin *= scale.x;
spriteRect.xMax *= scale.x;
spriteRect.yMin *= scale.y;
spriteRect.yMax *= scale.y;
UnityEditor.Sprites.SpriteUtility.GenerateOutline(texture, spriteRect, detail, alphaTolerance, true, out paths);
Rect capRect = new Rect();
capRect.size = rect.size;
capRect.center = Vector2.zero;
for (int j = 0; j < paths.Length; ++j)
{
SpriteOutline points = new SpriteOutline();
foreach (Vector2 v in paths[j])
{
points.Add(CapPointToRect(new Vector2(v.x / scale.x, v.y / scale.y), capRect));
}
outline.Add(points);
}
}
return(outline);
}