C# UISprite.GetAtlasSprite方法代码示例

	/// <summary>
	/// Show the popup list dialog.
	/// </summary>

	public void Show ()
	{
		if (enabled && NGUITools.GetActive(gameObject) && mChild == null && atlas != null && isValid && items.Count > 0)
		{
			mLabelList.Clear();
			StopCoroutine("CloseIfUnselected");

			// Ensure the popup's source has the selection
			UICamera.selectedObject = (UICamera.hoveredObject ?? gameObject);
			mSelection = UICamera.selectedObject;
			source = UICamera.selectedObject;

			if (source == null)
			{
				Debug.LogError("Popup list needs a source object...");
				return;
			}

			mOpenFrame = Time.frameCount;

			// Automatically locate the panel responsible for this object
			if (mPanel == null)
			{
				mPanel = UIPanel.Find(transform);
				if (mPanel == null) return;
			}

			// Calculate the dimensions of the object triggering the popup list so we can position it below it
			Vector3 min;
			Vector3 max;

			// Create the root object for the list
			mChild = new GameObject("Drop-down List");
			mChild.layer = gameObject.layer;
			current = this;

			Transform t = mChild.transform;
			t.parent = mPanel.cachedTransform;
			Vector3 pos;

			// Manually triggered popup list on some other game object
			if (openOn == OpenOn.Manual && mSelection != gameObject)
			{
				pos = UICamera.lastEventPosition;
				min = mPanel.cachedTransform.InverseTransformPoint(mPanel.anchorCamera.ScreenToWorldPoint(pos));
				max = min;
				t.localPosition = min;
				pos = t.position;
			}
			else
			{
				Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(mPanel.cachedTransform, transform, false, false);
				min = bounds.min;
				max = bounds.max;
				t.localPosition = min;
				pos = t.position;
			}

			StartCoroutine("CloseIfUnselected");

			t.localRotation = Quaternion.identity;
			t.localScale = Vector3.one;

			// Add a sprite for the background
			mBackground = NGUITools.AddSprite(mChild, atlas, backgroundSprite);
			mBackground.pivot = UIWidget.Pivot.TopLeft;
			mBackground.depth = NGUITools.CalculateNextDepth(mPanel.gameObject);
			mBackground.color = backgroundColor;

			// We need to know the size of the background sprite for padding purposes
			Vector4 bgPadding = mBackground.border;
			mBgBorder = bgPadding.y;
			mBackground.cachedTransform.localPosition = new Vector3(0f, bgPadding.y, 0f);

			// Add a sprite used for the selection
			mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite);
			mHighlight.pivot = UIWidget.Pivot.TopLeft;
			mHighlight.color = highlightColor;

			UISpriteData hlsp = mHighlight.GetAtlasSprite();
			if (hlsp == null) return;

			float hlspHeight = hlsp.borderTop;
			float fontHeight = activeFontSize;
			float dynScale = activeFontScale;
			float labelHeight = fontHeight * dynScale;
			float x = 0f, y = -padding.y;
			List<UILabel> labels = new List<UILabel>();

			// Clear the selection if it's no longer present
			if (!items.Contains(mSelectedItem))
				mSelectedItem = null;

			// Run through all items and create labels for each one
			for (int i = 0, imax = items.Count; i < imax; ++i)
			{
//.........这里部分代码省略.........

	/// <summary>
	/// Show the popup list dialog.
	/// </summary>

	public void Show ()
	{
		if (enabled && NGUITools.GetActive(gameObject) && mChild == null && atlas != null && isValid && items.Count > 0)
		{
			mLabelList.Clear();

			// Automatically locate the panel responsible for this object
			if (mPanel == null)
			{
				mPanel = UIPanel.Find(transform);
				if (mPanel == null) return;
			}

			// Disable the navigation script
			handleEvents = true;

			// Calculate the dimensions of the object triggering the popup list so we can position it below it
			Transform myTrans = transform;
			Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(myTrans.parent, myTrans);

			// Create the root object for the list
			mChild = new GameObject("Drop-down List");
			mChild.layer = gameObject.layer;

			Transform t = mChild.transform;
			t.parent = myTrans.parent;
			t.localPosition = bounds.min;
			t.localRotation = Quaternion.identity;
			t.localScale = Vector3.one;

			// Add a sprite for the background
			mBackground = NGUITools.AddSprite(mChild, atlas, backgroundSprite);
			mBackground.pivot = UIWidget.Pivot.TopLeft;
			mBackground.depth = NGUITools.CalculateNextDepth(mPanel.gameObject);
			mBackground.color = backgroundColor;

			// We need to know the size of the background sprite for padding purposes
			Vector4 bgPadding = mBackground.border;
			mBgBorder = bgPadding.y;
			mBackground.cachedTransform.localPosition = new Vector3(0f, bgPadding.y, 0f);

			// Add a sprite used for the selection
			mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite);
			mHighlight.pivot = UIWidget.Pivot.TopLeft;
			mHighlight.color = highlightColor;

			UISpriteData hlsp = mHighlight.GetAtlasSprite();
			if (hlsp == null) return;

			float hlspHeight = hlsp.borderTop;
			float fontHeight = activeFontSize;
			float dynScale = activeFontScale;
			float labelHeight = fontHeight * dynScale;
			float x = 0f, y = -padding.y;
			int labelFontSize = (bitmapFont != null) ? bitmapFont.defaultSize : fontSize;
			List<UILabel> labels = new List<UILabel>();

			// Clear the selection if it's no longer present
			if (!items.Contains(mSelectedItem))
				mSelectedItem = null;

			// Run through all items and create labels for each one
			for (int i = 0, imax = items.Count; i < imax; ++i)
			{
				string s = items[i];

				UILabel lbl = NGUITools.AddWidget<UILabel>(mChild);
				lbl.name = i.ToString();
				lbl.pivot = UIWidget.Pivot.TopLeft;
				lbl.bitmapFont = bitmapFont;
				lbl.trueTypeFont = trueTypeFont;
				lbl.fontSize = labelFontSize;
				lbl.fontStyle = fontStyle;
				lbl.text = isLocalized ? Localization.Get(s) : s;
				lbl.color = textColor;
				lbl.cachedTransform.localPosition = new Vector3(bgPadding.x + padding.x, y, -1f);
				lbl.overflowMethod = UILabel.Overflow.ResizeFreely;
				lbl.alignment = alignment;
				lbl.MakePixelPerfect();
				if (dynScale != 1f) lbl.cachedTransform.localScale = Vector3.one * dynScale;
				labels.Add(lbl);

				y -= labelHeight;
				y -= padding.y;
				x = Mathf.Max(x, lbl.printedSize.x);

				// Add an event listener
				UIEventListener listener = UIEventListener.Get(lbl.gameObject);
				listener.onHover = OnItemHover;
				listener.onPress = OnItemPress;
				listener.onClick = OnItemClick;
				listener.parameter = s;

				// Move the selection here if this is the right label
				if (mSelectedItem == s || (i == 0 && string.IsNullOrEmpty(mSelectedItem)))
					Highlight(lbl, true);
//.........这里部分代码省略.........

    /// <summary>
    /// Display the drop-down list when the game object gets clicked on.
    /// </summary>
    void OnClick()
    {
        if (mChild == null && atlas != null && font != null && items.Count > 0)
        {
            mLabelList.Clear();

            // Disable the navigation script
            handleEvents = true;

            // Automatically locate the panel responsible for this object
            if (mPanel == null) mPanel = UIPanel.Find(transform, true);

            // Calculate the dimensions of the object triggering the popup list so we can position it below it
            Transform myTrans = transform;
            Bounds bounds = NGUIMath.CalculateRelativeWidgetBounds(myTrans.parent, myTrans);

            // Create the root object for the list
            mChild = new GameObject("Drop-down List");
            mChild.layer = gameObject.layer;

            Transform t = mChild.transform;
            t.parent = myTrans.parent;
            t.localPosition = bounds.min;
            t.localRotation = Quaternion.identity;
            t.localScale = Vector3.one;

            // Add a sprite for the background
            mBackground = NGUITools.AddSprite(mChild, atlas, backgroundSprite);
            mBackground.pivot = UIWidget.Pivot.TopLeft;
            mBackground.depth = NGUITools.CalculateNextDepth(mPanel.gameObject);
            mBackground.color = backgroundColor;

            // We need to know the size of the background sprite for padding purposes
            Vector4 bgPadding = mBackground.border;
            mBgBorder = bgPadding.y;

            mBackground.cachedTransform.localPosition = new Vector3(0f, bgPadding.y, 0f);

            // Add a sprite used for the selection
            mHighlight = NGUITools.AddSprite(mChild, atlas, highlightSprite);
            mHighlight.pivot = UIWidget.Pivot.TopLeft;
            mHighlight.color = highlightColor;

            UIAtlas.Sprite hlsp = mHighlight.GetAtlasSprite();
            if (hlsp == null) return;

            float hlspHeight = hlsp.inner.yMin - hlsp.outer.yMin;
            float fontScale = font.size * font.pixelSize * textScale;
            float x = 0f, y = -padding.y;
            List<UILabel> labels = new List<UILabel>();

            // Run through all items and create labels for each one
            for (int i = 0, imax = items.Count; i < imax; ++i)
            {
                string s = items[i];

                UILabel lbl = NGUITools.AddWidget<UILabel>(mChild);
                lbl.pivot = UIWidget.Pivot.TopLeft;
                lbl.font = font;
                lbl.text = (isLocalized && Localization.instance != null) ? Localization.instance.Get(s) : s;
                lbl.color = textColor;
                lbl.cachedTransform.localPosition = new Vector3(bgPadding.x + padding.x, y, -0.01f);
                lbl.MakePixelPerfect();

                if (textScale != 1f)
                {
                    Vector3 scale = lbl.cachedTransform.localScale;
                    lbl.cachedTransform.localScale = scale * textScale;
                }
                labels.Add(lbl);

                y -= fontScale;
                y -= padding.y;
                x = Mathf.Max(x, lbl.relativeSize.x * fontScale);

                // Add an event listener
                UIEventListener listener = UIEventListener.Get(lbl.gameObject);
                listener.onHover = OnItemHover;
                listener.onPress = OnItemPress;
                listener.parameter = s;

                // Move the selection here if this is the right label
                if (mSelectedItem == s) Highlight(lbl, true);

                // Add this label to the list
                mLabelList.Add(lbl);
            }

            // The triggering widget's width should be the minimum allowed width
            x = Mathf.Max(x, bounds.size.x - (bgPadding.x + padding.x) * 2f);

            Vector3 bcCenter = new Vector3((x * 0.5f) / fontScale, -0.5f, 0f);
            Vector3 bcSize = new Vector3(x / fontScale, (fontScale + padding.y) / fontScale, 1f);

            // Run through all labels and add colliders
            for (int i = 0, imax = labels.Count; i < imax; ++i)
            {
//.........这里部分代码省略.........