/// <summary>
/// Add a dark shadowy outline around the sprite, giving it some visual depth.
/// </summary>
void AddOutline(UISpriteData sprite)
{
List <UIAtlasMaker.SpriteEntry> sprites = new List <UIAtlasMaker.SpriteEntry>();
UIAtlasMaker.ExtractSprites(mAtlas, sprites);
UIAtlasMaker.SpriteEntry se = null;
for (int i = 0; i < sprites.Count; ++i)
{
if (sprites[i].name == sprite.name)
{
se = sprites[i];
break;
}
}
if (se != null)
{
int w1 = se.tex.width;
int h1 = se.tex.height;
int w2 = w1 + 2;
int h2 = h1 + 2;
Color32[] c2 = NGUIEditorTools.AddBorder(se.tex.GetPixels32(), w1, h1);
NGUIEditorTools.AddDepth(c2, w2, h2, NGUISettings.backgroundColor);
if (se.temporaryTexture)
{
DestroyImmediate(se.tex);
}
if ((se.borderLeft | se.borderRight | se.borderBottom | se.borderTop) != 0)
{
++se.borderLeft;
++se.borderRight;
++se.borderTop;
++se.borderBottom;
}
se.tex = new Texture2D(w2, h2);
se.tex.name = sprite.name;
se.tex.SetPixels32(c2);
se.tex.Apply();
se.temporaryTexture = true;
UIAtlasMaker.UpdateAtlas(mAtlas, sprites);
DestroyImmediate(se.tex);
se.tex = null;
}
}
/// <summary>
/// Add a transparent border around the sprite.
/// </summary>
void AddTransparentBorder(UISpriteData sprite)
{
List <UIAtlasMaker.SpriteEntry> sprites = new List <UIAtlasMaker.SpriteEntry>();
UIAtlasMaker.ExtractSprites(mAtlas, sprites);
UIAtlasMaker.SpriteEntry se = null;
for (int i = 0; i < sprites.Count; ++i)
{
if (sprites[i].name == sprite.name)
{
se = sprites[i];
break;
}
}
if (se != null)
{
int w1 = se.tex.width;
int h1 = se.tex.height;
int w2 = w1 + 2;
int h2 = h1 + 2;
var c2 = NGUIEditorTools.AddBorder(se.tex.GetPixels32(), w1, h1);
if (se.temporaryTexture)
{
DestroyImmediate(se.tex);
}
++se.borderLeft;
++se.borderRight;
++se.borderTop;
++se.borderBottom;
se.tex = new Texture2D(w2, h2);
se.tex.name = sprite.name;
se.tex.SetPixels32(c2);
se.tex.Apply();
se.temporaryTexture = true;
var before = NGUISettings.atlasTrimming;
NGUISettings.atlasTrimming = false;
UIAtlasMaker.UpdateAtlas(mAtlas, sprites);
NGUISettings.atlasTrimming = before;
DestroyImmediate(se.tex);
se.tex = null;
}
}
