public void Draw(TexturePacker texPacker)
{
GUILayout.Label("Preview", TexturePackerStyles.Heading);
GUILayout.BeginVertical(TexturePackerStyles.Section);
GUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
Vector2 previewSize = new Vector2(256, 256);
GUILayout.Label("", TexturePackerStyles.MidBox, GUILayout.Width(previewSize.x), GUILayout.Height(previewSize.y));
Rect previewRect = GUILayoutUtility.GetLastRect();
Rect alphaRect = new Rect(previewRect.x + 5, previewRect.y + 5, previewRect.width - 10, previewRect.height - 10);
texPacker.ClearProperties();
Texture2D preview = texPacker.Create();
preview.alphaIsTransparency = true;
if (toolbarItem == 0)
{
EditorGUI.DrawPreviewTexture(alphaRect, preview);
}
else
{
EditorGUI.DrawTextureAlpha(alphaRect, preview);
}
GUILayout.FlexibleSpace();
GUILayout.EndHorizontal();
string[] toolbarItems = { "RBG", "Alpha" };
toolbarItem = GUILayout.Toolbar(toolbarItem, toolbarItems);
GUILayout.EndVertical();
}
private void OnGUI()
{
if (_preview == null)
{
return;
}
_windowScrollPos = EditorGUILayout.BeginScrollView(_windowScrollPos, false, false);
RefreshItems();
GUILayout.Label(_windowTitle, TexturePackerStyles.Heading);
GUILayout.BeginVertical(TexturePackerStyles.Section);
GUILayout.Label("Inputs", TexturePackerStyles.Heading);
foreach (TextureItem item in _items)
{
item.Draw();
}
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (GUILayout.Button("+"))
{
TextureInput entry = new TextureInput();
_texturePacker.Add(entry);
_items.Add(new TextureItem(entry));
}
GUILayout.FlexibleSpace();
EditorGUILayout.EndHorizontal();
int prevRes = _texturePacker.resolution;
_texturePacker.resolution = 128;
_preview.Draw(_texturePacker);
_texturePacker.resolution = prevRes;
GUILayout.Label("Options", TexturePackerStyles.Heading);
GUILayout.BeginVertical(TexturePackerStyles.Section);
textureFormat = (TextureFormat)EditorGUILayout.EnumPopup("> Format:", textureFormat);
_texturePacker.resolution = EditorGUILayout.IntPopup("> Resolution:", _texturePacker.resolution, _textureResolutionsNames.ToArray(), _textureResolutions.ToArray());
GUILayout.EndVertical();
if (GUILayout.Button("Generate Texture", TexturePackerStyles.Button))
{
string savePath = EditorUtility.SaveFilePanel("Save", Application.dataPath, "texture.png", textureFormat.ToString());
if (savePath != string.Empty)
{
Texture2D output = _texturePacker.Create();
if (textureFormat == TextureFormat.JPG)
{
File.WriteAllBytes(savePath, output.EncodeToJPG());
}
else if (textureFormat == TextureFormat.PNG)
{
File.WriteAllBytes(savePath, output.EncodeToPNG());
}
else if (textureFormat == TextureFormat.TGA)
{
File.WriteAllBytes(savePath, output.EncodeToTGA());
}
else
{
File.WriteAllBytes(savePath, output.EncodeToEXR());
}
AssetDatabase.Refresh();
}
}
GUILayout.EndVertical();
EditorGUILayout.EndScrollView();
}
