protected void UpdateContent()
{
if (string.IsNullOrEmpty(Text))
{
return;
}
if (FontAtlas != null)
{
LayoutLabel();
}
else
{
if (currentLabelType == CCLabelType.SystemFont)
{
var fontDefinition = new CCFontDefinition();
fontDefinition.FontName = systemFont;
fontDefinition.FontSize = (int)systemFontSize;
fontDefinition.Alignment = labelFormat.Alignment;
fontDefinition.LineAlignment = labelFormat.LineAlignment;
fontDefinition.Dimensions = Dimensions;
fontDefinition.FontFillColor = DisplayedColor;
fontDefinition.FontAlpha = DisplayedOpacity;
fontDefinition.LineBreak = labelFormat.LineBreaking;
CreateSpriteWithFontDefinition(fontDefinition);
}
}
IsDirty = false;
}
void CreateSpriteWithFontDefinition(CCFontDefinition fontDefinition)
{
var texture = CreateTextSprite(Text, fontDefinition);
textSprite = new CCSprite(texture);
textSprite.AnchorPoint = CCPoint.AnchorLowerLeft;
ContentSize = textSprite.ContentSize;
base.AddChild(textSprite, 0, TagInvalid);
textSprite.UpdateDisplayedColor(DisplayedColor);
textSprite.UpdateDisplayedOpacity(DisplayedOpacity);
}
void CreateSpriteWithFontDefinition(CCFontDefinition fontDefinition)
{
if (textSprite != null)
{
textSprite.RemoveFromParent();
}
var texture = CreateTextSprite(Text, fontDefinition);
textSprite = new CCSprite(texture);
textSprite.IsAntialiased = isAntialiased;
textSprite.BlendFunc = BlendFunc;
textSprite.AnchorPoint = CCPoint.AnchorLowerLeft;
base.ContentSize = textSprite.ContentSize;
base.AddChild(textSprite, 0, TagInvalid);
textSprite.UpdateDisplayedColor(DisplayedColor);
textSprite.UpdateDisplayedOpacity(DisplayedOpacity);
}
void CreateSpriteWithFontDefinition(CCFontDefinition fontDefinition)
{
if (textSprite != null)
textSprite.RemoveFromParent();
var texture = CreateTextSprite(Text, fontDefinition);
textSprite = new CCSprite(texture);
textSprite.IsAntialiased = isAntialiased;
textSprite.BlendFunc = BlendFunc;
textSprite.AnchorPoint = CCPoint.AnchorLowerLeft;
base.ContentSize = textSprite.ContentSize;
base.AddChild(textSprite,0,TagInvalid);
textSprite.UpdateDisplayedColor(DisplayedColor);
textSprite.UpdateDisplayedOpacity(DisplayedOpacity);
}
protected void UpdateContent()
{
if (isUpdatingContent)
return;
isUpdatingContent = true;
if (string.IsNullOrEmpty(Text))
{
return;
}
if (FontAtlas != null)
{
LayoutLabel();
}
else
{
if (LabelType == CCLabelType.SystemFont)
{
var fontDefinition = new CCFontDefinition();
fontDefinition.FontName = systemFont;
fontDefinition.FontSize = systemFontSize;
fontDefinition.Alignment = labelFormat.Alignment;
fontDefinition.LineAlignment = labelFormat.LineAlignment;
fontDefinition.Dimensions = Dimensions;
fontDefinition.FontFillColor = DisplayedColor;
fontDefinition.FontAlpha = DisplayedOpacity;
fontDefinition.LineBreak = labelFormat.LineBreaking;
fontDefinition.isShouldAntialias = IsAntialiased;
CreateSpriteWithFontDefinition(fontDefinition);
}
}
IsDirty = false;
isUpdatingContent = false;
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
return new CCTexture2D();
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var display = Game.Activity.WindowManager.DefaultDisplay;
var metrics = new DisplayMetrics();
display.GetMetrics(metrics);
// Do not take into account ScaleDensity for now.
// var fontScaleFactor = metrics.ScaledDensity;
// textDef.FontSize = (int)(textDef.FontSize * fontScaleFactor);
// out paint object to hold our drawn text
// var paintFlags = new PaintFlags();
// if (textDefinition.isShouldAntialias)
// paintFlags = PaintFlags.AntiAlias | PaintFlags.SubpixelText;
var textPaint = new TextPaint();
textPaint.Color = Android.Graphics.Color.White;
textPaint.TextAlign = Paint.Align.Left;
textPaint.AntiAlias = textDefinition.isShouldAntialias;
textPaint.TextSize = textDef.FontSize;
var fontName = textDef.FontName;
var ext = System.IO.Path.GetExtension(fontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
CCContentManager.SharedContentManager.GetAssetStreamAsBytes(fontName, out fontName);
var activity = Game.Activity;
try
{
var typeface = Typeface.CreateFromAsset(activity.Assets, fontName);
textPaint.SetTypeface(typeface);
}
catch (Exception)
{
textPaint.SetTypeface(Typeface.Create(fontName, TypefaceStyle.Normal));
}
}
else
{
textPaint.SetTypeface(Typeface.Create(fontName, TypefaceStyle.Normal));
}
// color
var foregroundColor = Android.Graphics.Color.White;
textPaint.Color = foregroundColor;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? Layout.Alignment.AlignOpposite
: (CCTextAlignment.Center == horizontalAlignment) ? Layout.Alignment.AlignCenter
: Layout.Alignment.AlignNormal;
// LineBreak
// TODO: Find a way to specify the type of line breaking if possible.
var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
// Get bounding rectangle - we need its attribute and method values
var layout = new StaticLayout(text, textPaint,
(int)dimensions.Width, textAlign, 1.0f, 0.0f, false);
var boundingRect = new Rect();
var lineBounds = new Rect();
// Loop through all the lines so we can find our drawing offsets
var lineCount = layout.LineCount;
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
return new CCTexture2D();
for (int lc = 0; lc < lineCount; lc++)
{
layout.GetLineBounds(lc, lineBounds);
var max = (int)Math.Ceiling(layout.GetLineMax(lc));
if (boundingRect.Right < max)
boundingRect.Right = max;
boundingRect.Bottom = lineBounds.Bottom;
}
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Right;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Bottom;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Recreate our layout based on calculated dimensions so that we can draw the text correctly
// in our image when Alignment is not Left.
if (textAlign != Layout.Alignment.AlignNormal)
{
layout = new StaticLayout(text, textPaint,
(int)dimensions.Width, textAlign, 1.0f, 0.0f, false);
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement
|| boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Bottom) * 0.5f; // align to center
try {
// Create our platform dependant image to be drawn to.
using (Bitmap textureBitmap = Bitmap.CreateBitmap(imageWidth, imageHeight, Bitmap.Config.Argb8888))
{
using (Canvas drawingCanvas = new Canvas(textureBitmap))
{
drawingCanvas.DrawARGB(0, 255, 255, 255);
// Set our vertical alignment
drawingCanvas.Translate(0, yOffset);
// Now draw the text using our layout
layout.Draw(drawingCanvas);
// Create a pixel array
int[] pixels = new int[imageWidth * imageHeight];
// Now lets get our pixels.
// We use CopyPixelsToBuffer so that it is in Premultiplied Alpha already.
// Using Bitmap.GetPixels return non Premultiplied Alpha which causes blending problems
Java.Nio.IntBuffer byteBuffer = Java.Nio.IntBuffer.Allocate(imageWidth * imageHeight);
textureBitmap.CopyPixelsToBuffer(byteBuffer);
if (byteBuffer.HasArray)
{
byteBuffer.Rewind();
byteBuffer.Get(pixels, 0, pixels.Length);
}
// Make sure we recycle - Let's keep it green
textureBitmap.Recycle();
// Here we create our Texture and then set our pixel data.
var texture = new CCTexture2D(imageWidth, imageHeight);
texture.XNATexture.SetData<int>(pixels);
return texture;
}
}
}
catch (Exception exc)
{
CCLog.Log ("CCLabel Android: Error creating native label:{0}\n{1}", exc.Message, exc.StackTrace);
return new CCTexture2D();
}
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var font = CreateFont(textDef.FontName, textDef.FontSize);
var _currentFontSizeEm = textDef.FontSize;
var _currentDIP = ConvertPointSizeToDIP(_currentFontSizeEm);
// color
var foregroundColor = new Color4(1f, 1f, 1f, 1f);
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? TextAlignment.Trailing
: (CCTextAlignment.Center == horizontalAlignment) ? TextAlignment.Center
: TextAlignment.Leading;
var paragraphAlign = (CCVerticalTextAlignment.Bottom == vertAlignment) ? ParagraphAlignment.Far
: (CCVerticalTextAlignment.Center == vertAlignment) ? ParagraphAlignment.Center
: ParagraphAlignment.Near;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? WordWrapping.Wrap
: (CCLabelLineBreak.Word == textDef.LineBreak) ? WordWrapping.Wrap
: WordWrapping.NoWrap;
// LineBreak
// TODO: Find a way to specify the type of line breaking if possible.
var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var fontName = font.FontFamily.FamilyNames.GetString(0);
var textFormat = new TextFormat(FactoryDWrite, fontName,
_currentFontCollection, FontWeight.Regular, FontStyle.Normal, FontStretch.Normal, _currentDIP);
textFormat.TextAlignment = textAlign;
textFormat.ParagraphAlignment = paragraphAlign;
var textLayout = new TextLayout(FactoryDWrite, text, textFormat, dimensions.Width, dimensions.Height);
var boundingRect = new RectangleF();
// Loop through all the lines so we can find our drawing offsets
var textMetrics = textLayout.Metrics;
var lineCount = textMetrics.LineCount;
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
{
return(new CCTexture2D());
}
// Fill out the bounding rect width and height so we can calculate the yOffset later if needed
boundingRect.X = 0;
boundingRect.Y = 0;
boundingRect.Width = (int)textMetrics.Width;
boundingRect.Height = (int)textMetrics.Height;
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Recreate our layout based on calculated dimensions so that we can draw the text correctly
// in our image when Alignment is not Left.
if (textAlign != TextAlignment.Leading)
{
textLayout.MaxWidth = dimensions.Width;
textLayout.MaxHeight = dimensions.Height;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement ||
boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Bottom) * 0.5f; // align to center
if (labelRenderer == null)
{
labelRenderer = new CCLabel_Renderer81();
}
try
{
// The following code creates a .png stream in memory of our Bitmap and uses it to create our Textue2D
Texture2D tex = null;
using (var pngStream = labelRenderer.RenderLabelToStream(imageWidth, imageHeight, foregroundColor,
new Vector2(boundingRect.X, yOffset), textLayout).Result)
{
// Create the Texture2D from the png stream
tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, pngStream);
}
// Return our new CCTexture2D created from the Texture2D which will have our text drawn on it.
return(new CCTexture2D(tex));
}
catch (Exception exc)
{
CCLog.Log("CCLabel-Windows: Unable to create the backing image of our text. Message: {0}", exc.StackTrace);
}
finally
{
if (textFormat != null)
{
textFormat.Dispose();
textFormat = null;
}
if (textLayout != null)
{
textLayout.Dispose();
textLayout = null;
}
}
// If we have reached here then something has gone wrong.
return(new CCTexture2D());
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
// font
UIFont font = null;
var ext = System.IO.Path.GetExtension(textDef.FontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
try
{
textDef.FontName = LoadFontFile(textDef.FontName);
font = UIFont.FromName(textDef.FontName, textDef.FontSize);
}
catch (Exception exc)
{
CCLog.Log(".ttf {0} file not found or can not be loaded.", textDef.FontName);
}
}
else
{
// font
font = UIFont.FromName(textDef.FontName, textDef.FontSize);
//NSFontManager.SharedFontManager.FontWithFamily(textDef.FontName, NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
}
if (font == null)
{
font = UIFont.FromName("Arial", textDef.FontSize);
CCLog.Log("{0} not found. Defaulting to Arial.", textDef.FontName);
}
// color
var foregroundColor = UIColor.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? UITextAlignment.Right
: (CCTextAlignment.Center == horizontalAlignment) ? UITextAlignment.Center
: UITextAlignment.Left;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? UILineBreakMode.CharacterWrap
: (CCLabelLineBreak.Word == textDef.LineBreak) ? UILineBreakMode.WordWrap
: UILineBreakMode.Clip;
var nsparagraphStyle = (NSMutableParagraphStyle)NSParagraphStyle.Default.MutableCopy();
nsparagraphStyle.LineBreakMode = lineBreak;
nsparagraphStyle.Alignment = textAlign;
// Create a new attributed string definition
var nsAttributes = new UIStringAttributes();
// Font attribute
nsAttributes.Font = font;
nsAttributes.ForegroundColor = foregroundColor;
nsAttributes.ParagraphStyle = nsparagraphStyle;
var stringWithAttributes = new NSAttributedString(text, nsAttributes);
var realDimensions = stringWithAttributes.Size;
// Mac crashes if the width or height is 0
if (realDimensions == SizeF.Empty)
{
throw new ArgumentOutOfRangeException("Native string:", "Dimensions of native NSAttributedString can not be 0,0");
}
var dimensions = new CGSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var boundingRect = stringWithAttributes.GetBoundingRect(new CGSize((int)dimensions.Width, (int)dimensions.Height),
NSStringDrawingOptions.UsesLineFragmentOrigin, null);
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Alignment
var xOffset = (nfloat)0.0f;
switch (textAlign)
{
case UITextAlignment.Left:
xOffset = 0;
break;
case UITextAlignment.Center:
xOffset = (dimensions.Width - boundingRect.Width) / 2.0f;
break;
case UITextAlignment.Right: xOffset = dimensions.Width - boundingRect.Width; break;
default: break;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement ||
boundingRect.Height >= dimensions.Height) ? (dimensions.Height - boundingRect.Height) // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Height) / 2.0f; // align to center
//Find the rect that the string will draw into inside the dimensions
var drawRect = new CGRect(xOffset
, yOffset
, boundingRect.Width
, boundingRect.Height);
UIImage image = null;
CGContext context = null;
try
{
UIGraphics.BeginImageContext(new CGSize(imageWidth, imageHeight));
context = UIGraphics.GetCurrentContext();
//Set antialias or not
context.SetShouldAntialias(textDef.isShouldAntialias);
stringWithAttributes.DrawString(drawRect);
image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
// We will use Texture2D from stream here instead of CCTexture2D stream.
var tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, image);
// Debugging purposes
// var path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
// var fileName = Path.Combine(path, "Label3.png");
// using (var stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
// {
// tex.SaveAsPng(stream, imageWidth, imageHeight);
// }
// Create our texture of the label string.
var texture = new CCTexture2D(tex);
return(texture);
}
catch (Exception exc)
{
CCLog.Log("CCLabel: Error creating native label:{0}\n{1}", exc.Message, exc.StackTrace);
}
finally
{
// clean up the resources
if (image != null)
{
image.Dispose();
image = null;
}
if (context != null)
{
context.Dispose();
context = null;
}
if (stringWithAttributes != null)
{
stringWithAttributes.Dispose();
stringWithAttributes = null;
}
}
return(new CCTexture2D());
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
return new CCTexture2D();
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
//bool hasPremultipliedAlpha;
// font
NSFont font = null;
var ext = System.IO.Path.GetExtension(textDef.FontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
try
{
textDef.FontName = LoadFontFile(textDef.FontName);
font = NSFont.FromFontName(textDef.FontName, textDef.FontSize);
}
catch
{
CCLog.Log(".ttf {0} file not found or can not be loaded.", textDef.FontName);
}
}
else
{
// font
font = NSFontManager.SharedFontManager.FontWithFamily(textDef.FontName, NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
}
if (font == null)
{
font = NSFontManager.SharedFontManager.FontWithFamily("Arial", NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
CCLog.Log("{0} not found. Defaulting to Arial.", textDef.FontName);
}
// color
var foregroundColor = NSColor.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? NSTextAlignment.Right
: (CCTextAlignment.Center == horizontalAlignment) ? NSTextAlignment.Center
: NSTextAlignment.Left;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? NSLineBreakMode.CharWrapping
: (CCLabelLineBreak.Word == textDef.LineBreak) ? NSLineBreakMode.ByWordWrapping
: NSLineBreakMode.Clipping;
var nsparagraphStyle = new NSMutableParagraphStyle();
nsparagraphStyle.SetParagraphStyle(NSMutableParagraphStyle.DefaultParagraphStyle);
nsparagraphStyle.LineBreakMode = lineBreak;
nsparagraphStyle.Alignment = textAlign;
// Create a new attributed string definition
var nsAttributes = new NSStringAttributes ();
// Font attribute
nsAttributes.Font = font;
nsAttributes.ForegroundColor = foregroundColor;
nsAttributes.ParagraphStyle = nsparagraphStyle;
var stringWithAttributes = new NSAttributedString(text, nsAttributes);
var realDimensions = stringWithAttributes.Size;
// Mac crashes if the width or height is 0
if (realDimensions == SizeF.Empty)
{
CCLog.Log("Native string:", "Dimensions of native NSAttributedString can not be 0,0");
return new CCTexture2D();
}
var dimensions = new SizeF(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
//
// * Note * This seems to only effect Mac because iOS works fine without this work around.
// Right Alignment BoundingRectWithSize does not seem to be working correctly when the following conditions are set:
// 1) Alignment Right
// 2) No dimensions
// 3) There are new line characters embedded in the string.
//
// So we set alignment to Left, calculate our bounds and then restore alignement afterwards before drawing.
//
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
// Set our alignment variables to left - see notes above.
nsparagraphStyle.Alignment = NSTextAlignment.Left;
stringWithAttributes.Dispose();
stringWithAttributes = null;
stringWithAttributes = new NSAttributedString(text, nsAttributes);
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
// Calculate our bounding rectangle
var boundingRect = stringWithAttributes.BoundingRectWithSize(new SizeF((int)dimensions.Width, (int)dimensions.Height),
NSStringDrawingOptions.UsesLineFragmentOrigin);
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
// Restore our alignment before drawing - see notes above.
nsparagraphStyle.Alignment = textAlign;
stringWithAttributes.Dispose();
stringWithAttributes = null;
stringWithAttributes = new NSAttributedString(text, nsAttributes);
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Alignment
var xOffset = 0.0f;
switch (textAlign) {
case NSTextAlignment.Left:
xOffset = 0;
break;
case NSTextAlignment.Center:
xOffset = (dimensions.Width-boundingRect.Width)/2.0f;
break;
case NSTextAlignment.Right: xOffset = dimensions.Width-boundingRect.Width; break;
default: break;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Top == verticleAlignement
|| boundingRect.Height >= dimensions.Height) ? (dimensions.Height - boundingRect.Height) // align to top
: (CCVerticalTextAlignment.Bottom == verticleAlignement) ? 0 // align to bottom
: (imageHeight - boundingRect.Height) / 2.0f; // align to center
//Find the rect that the string will draw into inside the dimensions
var drawRect = new RectangleF(xOffset
, yOffset
, boundingRect.Width
, boundingRect.Height);
NSImage image = null;
try
{
//Set antialias or not
NSGraphicsContext.CurrentContext.ShouldAntialias = textDef.isShouldAntialias;
image = new NSImage(new SizeF(imageWidth, imageHeight));
image.LockFocus();
// set a default transform
var transform = new NSAffineTransform();
transform.Set();
stringWithAttributes.DrawInRect(drawRect);
image.UnlockFocus();
// We will use Texture2D from stream here instead of CCTexture2D stream.
var tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, image);
// Debugging purposes
// var path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
// var fileName = Path.Combine(path, "Label3.png");
// using (var stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
// {
// tex.SaveAsPng(stream, imageWidth, imageHeight);
// }
// Create our texture of the label string.
var texture = new CCTexture2D(tex);
return texture;
}
catch (Exception exc)
{
CCLog.Log ("CCLabel: Error creating native label:{0}\n{1}", exc.Message, exc.StackTrace);
}
finally
{
// clean up the resources
if (image != null)
{
image.Dispose ();
image = null;
}
if (stringWithAttributes != null)
{
stringWithAttributes.Dispose ();
stringWithAttributes = null;
}
}
return new CCTexture2D ();
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
return(new CCTexture2D());
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= (int)contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var font = CreateFont(textDef.FontName, textDef.FontSize);
var _currentFontSizeEm = textDef.FontSize;
var _currentDIP = ConvertPointSizeToDIP(_currentFontSizeEm);
var fontColor = textDef.FontFillColor;
var fontAlpha = textDef.FontAlpha;
var foregroundColor = new Color4(fontColor.R / 255.0f,
fontColor.G / 255.0f,
fontColor.B / 255.0f,
fontAlpha / 255.0f);
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? TextAlignment.Trailing
: (CCTextAlignment.Center == horizontalAlignment) ? TextAlignment.Center
: TextAlignment.Leading;
var paragraphAlign = (CCVerticalTextAlignment.Bottom == vertAlignment) ? ParagraphAlignment.Far
: (CCVerticalTextAlignment.Center == vertAlignment) ? ParagraphAlignment.Center
: ParagraphAlignment.Near;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? WordWrapping.Wrap
: (CCLabelLineBreak.Word == textDef.LineBreak) ? WordWrapping.Wrap
: WordWrapping.NoWrap;
// LineBreak
// TODO: Find a way to specify the type of line breaking if possible.
var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var fontName = font.FontFamily.FamilyNames.GetString(0);
var textFormat = new TextFormat(FactoryDWrite, fontName,
_currentFontCollection, FontWeight.Regular, FontStyle.Normal, FontStretch.Normal, _currentDIP);
textFormat.TextAlignment = textAlign;
textFormat.ParagraphAlignment = paragraphAlign;
var textLayout = new TextLayout(FactoryDWrite, text, textFormat, dimensions.Width, dimensions.Height);
var boundingRect = new RectangleF();
// Loop through all the lines so we can find our drawing offsets
var textMetrics = textLayout.Metrics;
var lineCount = textMetrics.LineCount;
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
{
return(new CCTexture2D());
}
// Fill out the bounding rect width and height so we can calculate the yOffset later if needed
boundingRect.X = 0;
boundingRect.Y = 0;
boundingRect.Width = textMetrics.Width;
boundingRect.Height = textMetrics.Height;
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Recreate our layout based on calculated dimensions so that we can draw the text correctly
// in our image when Alignment is not Left.
if (textAlign != TextAlignment.Leading)
{
textLayout.MaxWidth = dimensions.Width;
textLayout.MaxHeight = dimensions.Height;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement ||
boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Bottom) * 0.5f; // align to center
SharpDX.WIC.Bitmap sharpBitmap = null;
WicRenderTarget sharpRenderTarget = null;
SolidColorBrush solidBrush = null;
try
{
// Select our pixel format
var pixelFormat = SharpDX.WIC.PixelFormat.Format32bppPRGBA;
// create our backing bitmap
sharpBitmap = new SharpDX.WIC.Bitmap(FactoryImaging, imageWidth, imageHeight, pixelFormat, BitmapCreateCacheOption.CacheOnLoad);
// Create the render target that we will draw to
sharpRenderTarget = new WicRenderTarget(Factory2D, sharpBitmap, new RenderTargetProperties());
// Create our brush to actually draw with
solidBrush = new SolidColorBrush(sharpRenderTarget, foregroundColor);
// Begin the drawing
sharpRenderTarget.BeginDraw();
if (textDefinition.isShouldAntialias)
{
sharpRenderTarget.AntialiasMode = AntialiasMode.Aliased;
}
// Clear it
sharpRenderTarget.Clear(TransparentColor);
// Draw the text to the bitmap
sharpRenderTarget.DrawTextLayout(new Vector2(boundingRect.X, yOffset), textLayout, solidBrush);
// End our drawing which will commit the rendertarget to the bitmap
sharpRenderTarget.EndDraw();
// Debugging purposes
//var s = "Label4";
//SaveToFile(@"C:\Xamarin\" + s + ".png", _bitmap, _renderTarget);
// The following code creates a .png stream in memory of our Bitmap and uses it to create our Textue2D
Texture2D tex = null;
using (var memStream = new MemoryStream())
{
using (var encoder = new PngBitmapEncoder(FactoryImaging, memStream))
using (var frameEncoder = new BitmapFrameEncode(encoder))
{
frameEncoder.Initialize();
frameEncoder.WriteSource(sharpBitmap);
frameEncoder.Commit();
encoder.Commit();
}
// Create the Texture2D from the png stream
tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, memStream);
}
// Return our new CCTexture2D created from the Texture2D which will have our text drawn on it.
return(new CCTexture2D(tex));
}
catch (Exception exc)
{
CCLog.Log("CCLabel-Windows: Unable to create the backing image of our text. Message: {0}", exc.StackTrace);
}
finally
{
if (sharpBitmap != null)
{
sharpBitmap.Dispose();
sharpBitmap = null;
}
if (sharpRenderTarget != null)
{
sharpRenderTarget.Dispose();
sharpRenderTarget = null;
}
if (solidBrush != null)
{
solidBrush.Dispose();
solidBrush = null;
}
if (textFormat != null)
{
textFormat.Dispose();
textFormat = null;
}
if (textLayout != null)
{
textLayout.Dispose();
textLayout = null;
}
}
// If we have reached here then something has gone wrong.
return(new CCTexture2D());
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
return new CCTexture2D();
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
var font = CreateFont(textDef.FontName, textDef.FontSize);
if (font == null)
{
CCLog.Log("Can not create font {0} with size {1}.", textDef.FontName, textDef.FontSize);
return new CCTexture2D();
}
var _currentFontSizeEm = textDef.FontSize;
var _currentDIP = ConvertPointSizeToDIP(_currentFontSizeEm);
// color
var foregroundColor = Color4.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? TextAlignment.Trailing
: (CCTextAlignment.Center == horizontalAlignment) ? TextAlignment.Center
: TextAlignment.Leading;
var paragraphAlign = (CCVerticalTextAlignment.Bottom == vertAlignment) ? ParagraphAlignment.Far
: (CCVerticalTextAlignment.Center == vertAlignment) ? ParagraphAlignment.Center
: ParagraphAlignment.Near;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? WordWrapping.Wrap
: (CCLabelLineBreak.Word == textDef.LineBreak) ? WordWrapping.Wrap
: WordWrapping.NoWrap;
// LineBreak
// TODO: Find a way to specify the type of line breaking if possible.
var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var fontName = font.FontFamily.FamilyNames.GetString(0);
var textFormat = new TextFormat(FactoryDWrite, fontName,
_currentFontCollection, FontWeight.Regular, FontStyle.Normal, FontStretch.Normal, _currentDIP);
textFormat.TextAlignment = textAlign;
textFormat.ParagraphAlignment = paragraphAlign;
var textLayout = new TextLayout(FactoryDWrite, text, textFormat, dimensions.Width, dimensions.Height);
var boundingRect = new RectangleF();
// Loop through all the lines so we can find our drawing offsets
var textMetrics = textLayout.Metrics;
var lineCount = textMetrics.LineCount;
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
return new CCTexture2D();
// Fill out the bounding rect width and height so we can calculate the yOffset later if needed
boundingRect.X = 0;
boundingRect.Y = 0;
boundingRect.Width = textMetrics.Width;
boundingRect.Height = textMetrics.Height;
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Recreate our layout based on calculated dimensions so that we can draw the text correctly
// in our image when Alignment is not Left.
if (textAlign != TextAlignment.Leading)
{
textLayout.MaxWidth = dimensions.Width;
textLayout.MaxHeight = dimensions.Height;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement
|| boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Bottom) * 0.5f; // align to center
SharpDX.WIC.Bitmap sharpBitmap = null;
WicRenderTarget sharpRenderTarget = null;
SolidColorBrush solidBrush = null;
try
{
// Select our pixel format
var pixelFormat = SharpDX.WIC.PixelFormat.Format32bppPRGBA;
// create our backing bitmap
sharpBitmap = new SharpDX.WIC.Bitmap(FactoryImaging, imageWidth, imageHeight, pixelFormat, BitmapCreateCacheOption.CacheOnLoad);
// Create the render target that we will draw to
sharpRenderTarget = new WicRenderTarget(Factory2D, sharpBitmap, new RenderTargetProperties());
// Create our brush to actually draw with
solidBrush = new SolidColorBrush(sharpRenderTarget, foregroundColor);
// Begin the drawing
sharpRenderTarget.BeginDraw();
if (textDefinition.isShouldAntialias)
sharpRenderTarget.AntialiasMode = AntialiasMode.Aliased;
// Clear it
sharpRenderTarget.Clear(TransparentColor);
// Draw the text to the bitmap
sharpRenderTarget.DrawTextLayout(new Vector2(boundingRect.X, yOffset), textLayout, solidBrush);
// End our drawing which will commit the rendertarget to the bitmap
sharpRenderTarget.EndDraw();
// Debugging purposes
//var s = "Label4";
//SaveToFile(@"C:\Xamarin\" + s + ".png", _bitmap, _renderTarget);
// The following code creates a .png stream in memory of our Bitmap and uses it to create our Textue2D
Texture2D tex = null;
using (var memStream = new MemoryStream())
{
using (var encoder = new PngBitmapEncoder(FactoryImaging, memStream))
using (var frameEncoder = new BitmapFrameEncode(encoder))
{
frameEncoder.Initialize();
frameEncoder.WriteSource(sharpBitmap);
frameEncoder.Commit();
encoder.Commit();
}
// Create the Texture2D from the png stream
tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, memStream);
}
// Return our new CCTexture2D created from the Texture2D which will have our text drawn on it.
return new CCTexture2D(tex);
}
catch (Exception exc)
{
CCLog.Log("CCLabel-Windows: Unable to create the backing image of our text. Message: {0}", exc.StackTrace);
}
finally
{
if (sharpBitmap != null)
{
sharpBitmap.Dispose();
sharpBitmap = null;
}
if (sharpRenderTarget != null)
{
sharpRenderTarget.Dispose();
sharpRenderTarget = null;
}
if (solidBrush != null)
{
solidBrush.Dispose();
solidBrush = null;
}
if (textFormat != null)
{
textFormat.Dispose();
textFormat = null;
}
if (textLayout != null)
{
textLayout.Dispose();
textLayout = null;
}
}
// If we have reached here then something has gone wrong.
return new CCTexture2D();
}
static float dpiScale = 96f / 72f; // default but will be recalculated below
#if WINDOWSGL
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var font = CreateFont(textDef.FontName, textDef.FontSize / dpiScale);
// color
var foregroundColor = System.Drawing.Color.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? StringAlignment.Far
: (CCTextAlignment.Center == horizontalAlignment) ? StringAlignment.Center
: StringAlignment.Near;
var paragraphAlign = (CCVerticalTextAlignment.Bottom == verticleAlignement) ? StringAlignment.Far
: (CCVerticalTextAlignment.Center == verticleAlignement) ? StringAlignment.Center
: StringAlignment.Near;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? StringTrimming.Character
: (CCLabelLineBreak.Word == textDef.LineBreak) ? StringTrimming.Word
: StringTrimming.None;
var dimensions = new SizeF(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var stringFormat = StringFormat.GenericDefault;
// We will set the Alignment to Near to begin with because of a calculation error of MeasureString
// with a line of text with embedded newline '\n' characters after a number and Alignment = Center.
// Example: "Alignment 1\nnew line"
stringFormat.Alignment = StringAlignment.Near;
stringFormat.LineAlignment = paragraphAlign;
stringFormat.Trimming = lineBreak;
int charactersFitted = 0;
int lineCount = 0;
var boundingRect = RectangleF.Empty;
var textMetrics = _graphics.MeasureString(text, font, dimensions, stringFormat,
out charactersFitted, out lineCount);
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
{
return(new CCTexture2D());
}
// We will set the real Alignement here before drawing the text - See comment above about calculation error
// with Alignment.
stringFormat.Alignment = textAlign;
// Fill out the bounding rect width and height so we can calculate the yOffset later if needed
boundingRect.X = 0;
boundingRect.Y = 0;
boundingRect.Width = textMetrics.Width;
boundingRect.Height = textMetrics.Height;
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
CreateBitmap(imageWidth, imageHeight);
if (textDefinition.isShouldAntialias)
{
_graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
}
var _brush = new SolidBrush(foregroundColor);
_graphics.Clear(System.Drawing.Color.Transparent);
_graphics.DrawString(text, font, _brush, new RectangleF(PointF.Empty, dimensions), stringFormat);
_graphics.Flush();
try
{
_bitmap = (Bitmap)_bitmap.RGBToBGR();
var data = new byte[_bitmap.Width * _bitmap.Height * 4];
BitmapData bitmapData = _bitmap.LockBits(new System.Drawing.Rectangle(0, 0, _bitmap.Width, _bitmap.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (bitmapData.Stride != _bitmap.Width * 4)
{
throw new NotImplementedException();
}
Marshal.Copy(bitmapData.Scan0, data, 0, data.Length);
_bitmap.UnlockBits(bitmapData);
Texture2D texture = null;
texture = new Texture2D(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, _bitmap.Width, _bitmap.Height);
texture.SetData(data);
return(new CCTexture2D(texture));
}
catch (Exception ie)
{
CCLog.Log("CCLabel: internal error creating texture sprite: {0}\n{1}", ie.Message, ie.StackTrace);
}
finally
{
if (_bitmap != null)
{
_bitmap.Dispose();
_bitmap = null;
}
if (_graphics != null)
{
_graphics.Dispose();
_graphics = null;
}
if (_brush != null)
{
_brush.Dispose();
}
}
return(new CCTexture2D());
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= (int)contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var display = Game.Activity.WindowManager.DefaultDisplay;
var metrics = new DisplayMetrics();
display.GetMetrics(metrics);
// Do not take into account ScaleDensity for now.
// var fontScaleFactor = metrics.ScaledDensity;
// textDef.FontSize = (int)(textDef.FontSize * fontScaleFactor);
// out paint object to hold our drawn text
var textPaint = new TextPaint(PaintFlags.AntiAlias);
textPaint.Color = Android.Graphics.Color.White;
textPaint.TextAlign = Paint.Align.Left;
textPaint.TextSize = textDef.FontSize;
var fontName = textDef.FontName;
var ext = System.IO.Path.GetExtension(fontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
var path = System.IO.Path.Combine(CCContentManager.SharedContentManager.RootDirectory, fontName);
var activity = Game.Activity;
try
{
var typeface = Typeface.CreateFromAsset(activity.Assets, path);
textPaint.SetTypeface(typeface);
}
catch (Exception)
{
textPaint.SetTypeface(Typeface.Create(fontName, TypefaceStyle.Normal));
}
}
else
{
textPaint.SetTypeface(Typeface.Create(fontName, TypefaceStyle.Normal));
}
// color
var fontColor = textDef.FontFillColor;
var fontAlpha = textDef.FontAlpha;
var foregroundColor = new Android.Graphics.Color(fontColor.R,
fontColor.G,
fontColor.B,
fontAlpha);
textPaint.Color = foregroundColor;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? Layout.Alignment.AlignOpposite
: (CCTextAlignment.Center == horizontalAlignment) ? Layout.Alignment.AlignCenter
: Layout.Alignment.AlignNormal;
// LineBreak
// TODO: Find a way to specify the type of line breaking if possible.
var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
// Get bounding rectangle - we need its attribute and method values
var layout = new StaticLayout(text, textPaint,
(int)dimensions.Width, textAlign, 1.0f, 0.0f, false);
var boundingRect = new Rect();
var lineBounds = new Rect();
// Loop through all the lines so we can find our drawing offsets
var lineCount = layout.LineCount;
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
{
return(new CCTexture2D());
}
for (int lc = 0; lc < lineCount; lc++)
{
layout.GetLineBounds(lc, lineBounds);
var max = layout.GetLineMax(lc);
if (boundingRect.Right < max)
{
boundingRect.Right = (int)max;
}
boundingRect.Bottom = lineBounds.Bottom;
}
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Right;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Bottom;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Recreate our layout based on calculated dimensions so that we can draw the text correctly
// in our image when Alignment is not Left.
if (textAlign != Layout.Alignment.AlignNormal)
{
layout = new StaticLayout(text, textPaint,
(int)dimensions.Width, textAlign, 1.0f, 0.0f, false);
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement ||
boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Bottom) * 0.5f; // align to center
// Create our platform dependant image to be drawn to.
var textureBitmap = Bitmap.CreateBitmap(imageWidth, imageHeight, Bitmap.Config.Argb8888);
var drawingCanvas = new Canvas(textureBitmap);
// Set our vertical alignment
drawingCanvas.Translate(0, yOffset);
// Now draw the text using our layout
layout.Draw(drawingCanvas);
// We will use Texture2D from stream here instead of CCTexture2D stream.
var tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, textureBitmap);
// Create our texture of the label string.
var texture = new CCTexture2D(tex);
return(texture);
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
return new CCTexture2D();
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
// font
UIFont font = null;
var ext = System.IO.Path.GetExtension(textDef.FontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
try
{
textDef.FontName = LoadFontFile(textDef.FontName);
font = UIFont.FromName(textDef.FontName, textDef.FontSize);
}
catch (Exception exc)
{
CCLog.Log(".ttf {0} file not found or can not be loaded.", textDef.FontName);
}
}
else
{
// font
font = UIFont.FromName (textDef.FontName, textDef.FontSize);
//NSFontManager.SharedFontManager.FontWithFamily(textDef.FontName, NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
}
if (font == null)
{
font = UIFont.FromName ("Arial", textDef.FontSize);
CCLog.Log("{0} not found. Defaulting to Arial.", textDef.FontName);
}
// color
var foregroundColor = UIColor.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? UITextAlignment.Right
: (CCTextAlignment.Center == horizontalAlignment) ? UITextAlignment.Center
: UITextAlignment.Left;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? UILineBreakMode.CharacterWrap
: (CCLabelLineBreak.Word == textDef.LineBreak) ? UILineBreakMode.WordWrap
: UILineBreakMode.Clip;
var nsparagraphStyle = (NSMutableParagraphStyle)NSParagraphStyle.Default.MutableCopy();
nsparagraphStyle.LineBreakMode = lineBreak;
nsparagraphStyle.Alignment = textAlign;
// Create a new attributed string definition
var nsAttributes = new UIStringAttributes ();
// Font attribute
nsAttributes.Font = font;
nsAttributes.ForegroundColor = foregroundColor;
nsAttributes.ParagraphStyle = nsparagraphStyle;
var stringWithAttributes = new NSAttributedString(text, nsAttributes);
var realDimensions = stringWithAttributes.Size;
// Mac crashes if the width or height is 0
if (realDimensions == SizeF.Empty)
throw new ArgumentOutOfRangeException("Native string:", "Dimensions of native NSAttributedString can not be 0,0");
var dimensions = new CGSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var boundingRect = stringWithAttributes.GetBoundingRect(new CGSize((int)dimensions.Width, (int)dimensions.Height),
NSStringDrawingOptions.UsesLineFragmentOrigin, null);
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Alignment
var xOffset = (nfloat)0.0f;
switch (textAlign) {
case UITextAlignment.Left:
xOffset = 0;
break;
case UITextAlignment.Center:
xOffset = (dimensions.Width-boundingRect.Width)/2.0f;
break;
case UITextAlignment.Right: xOffset = dimensions.Width-boundingRect.Width; break;
default: break;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement
|| boundingRect.Height >= dimensions.Height) ? (dimensions.Height - boundingRect.Height) // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Height) / 2.0f; // align to center
//Find the rect that the string will draw into inside the dimensions
var drawRect = new CGRect(xOffset
, yOffset
, boundingRect.Width
, boundingRect.Height);
UIImage image = null;
CGContext context = null;
try
{
UIGraphics.BeginImageContext (new CGSize(imageWidth,imageHeight));
context = UIGraphics.GetCurrentContext ();
//Set antialias or not
context.SetShouldAntialias(textDef.isShouldAntialias);
stringWithAttributes.DrawString(drawRect);
image = UIGraphics.GetImageFromCurrentImageContext ();
UIGraphics.EndImageContext();
// We will use Texture2D from stream here instead of CCTexture2D stream.
var tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, image);
// Debugging purposes
// var path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
// var fileName = Path.Combine(path, "Label3.png");
// using (var stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
// {
// tex.SaveAsPng(stream, imageWidth, imageHeight);
// }
// Create our texture of the label string.
var texture = new CCTexture2D(tex);
return texture;
}
catch (Exception exc)
{
CCLog.Log ("CCLabel: Error creating native label:{0}\n{1}", exc.Message, exc.StackTrace);
}
finally
{
// clean up the resources
if (image != null)
{
image.Dispose ();
image = null;
}
if (context != null)
{
context.Dispose ();
context = null;
}
if (stringWithAttributes != null)
{
stringWithAttributes.Dispose ();
stringWithAttributes = null;
}
}
return new CCTexture2D ();
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
return new CCTexture2D();
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var font = CreateFont(textDef.FontName, textDef.FontSize);
var _currentFontSizeEm = textDef.FontSize;
var _currentDIP = ConvertPointSizeToDIP(_currentFontSizeEm);
// color
var foregroundColor = Color4.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? TextAlignment.Trailing
: (CCTextAlignment.Center == horizontalAlignment) ? TextAlignment.Center
: TextAlignment.Leading;
var paragraphAlign = (CCVerticalTextAlignment.Bottom == vertAlignment) ? ParagraphAlignment.Far
: (CCVerticalTextAlignment.Center == vertAlignment) ? ParagraphAlignment.Center
: ParagraphAlignment.Near;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? WordWrapping.Wrap
: (CCLabelLineBreak.Word == textDef.LineBreak) ? WordWrapping.Wrap
: WordWrapping.NoWrap;
// LineBreak
// TODO: Find a way to specify the type of line breaking if possible.
var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var fontName = font.FontFamily.FamilyNames.GetString(0);
var textFormat = new TextFormat(FactoryDWrite, fontName,
_currentFontCollection, FontWeight.Regular, FontStyle.Normal, FontStretch.Normal, _currentDIP);
textFormat.TextAlignment = textAlign;
textFormat.ParagraphAlignment = paragraphAlign;
var textLayout = new TextLayout(FactoryDWrite, text, textFormat, dimensions.Width, dimensions.Height);
var boundingRect = new RectangleF();
// Loop through all the lines so we can find our drawing offsets
var textMetrics = textLayout.Metrics;
var lineCount = textMetrics.LineCount;
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
return new CCTexture2D();
// Fill out the bounding rect width and height so we can calculate the yOffset later if needed
boundingRect.X = 0;
boundingRect.Y = 0;
boundingRect.Width = textMetrics.Width;
boundingRect.Height = textMetrics.Height;
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Recreate our layout based on calculated dimensions so that we can draw the text correctly
// in our image when Alignment is not Left.
if (textAlign != TextAlignment.Leading)
{
textLayout.MaxWidth = dimensions.Width;
textLayout.MaxHeight = dimensions.Height;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement
|| boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Bottom) * 0.5f; // align to center
if (labelRenderer == null)
labelRenderer = new CCLabel_Renderer81();
try
{
// The following code creates a .png stream in memory of our Bitmap and uses it to create our Textue2D
Texture2D tex = null;
using (var pngStream = labelRenderer.RenderLabelToStream(imageWidth, imageHeight, foregroundColor,
new Vector2(boundingRect.X, yOffset), textLayout).Result)
{
// Create the Texture2D from the png stream
tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, pngStream);
}
// Return our new CCTexture2D created from the Texture2D which will have our text drawn on it.
return new CCTexture2D(tex);
}
catch (Exception exc)
{
CCLog.Log("CCLabel-Windows: Unable to create the backing image of our text. Message: {0}", exc.StackTrace);
}
finally
{
if (textFormat != null)
{
textFormat.Dispose();
textFormat = null;
}
if (textLayout != null)
{
textLayout.Dispose();
textLayout = null;
}
}
// If we have reached here then something has gone wrong.
return new CCTexture2D();
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
return new CCTexture2D();
}
static float dpiScale = 96f / 72f; // default but will be recalculated below
#if WINDOWSGL
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
return new CCTexture2D();
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var font = CreateFont(textDef.FontName, textDef.FontSize / dpiScale);
// color
var foregroundColor = System.Drawing.Color.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? StringAlignment.Far
: (CCTextAlignment.Center == horizontalAlignment) ? StringAlignment.Center
: StringAlignment.Near;
var paragraphAlign = (CCVerticalTextAlignment.Bottom == verticleAlignement) ? StringAlignment.Far
: (CCVerticalTextAlignment.Center == verticleAlignement) ? StringAlignment.Center
: StringAlignment.Near;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? StringTrimming.Character
: (CCLabelLineBreak.Word == textDef.LineBreak) ? StringTrimming.Word
: StringTrimming.None;
var dimensions = new SizeF(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
var stringFormat = StringFormat.GenericDefault;
// We will set the Alignment to Near to begin with because of a calculation error of MeasureString
// with a line of text with embedded newline '\n' characters after a number and Alignment = Center.
// Example: "Alignment 1\nnew line"
stringFormat.Alignment = StringAlignment.Near;
stringFormat.LineAlignment = paragraphAlign;
stringFormat.Trimming = lineBreak;
int charactersFitted = 0;
int lineCount = 0;
var boundingRect = RectangleF.Empty;
var textMetrics = _graphics.MeasureString(text, font, dimensions, stringFormat,
out charactersFitted, out lineCount);
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
return new CCTexture2D();
// We will set the real Alignement here before drawing the text - See comment above about calculation error
// with Alignment.
stringFormat.Alignment = textAlign;
// Fill out the bounding rect width and height so we can calculate the yOffset later if needed
boundingRect.X = 0;
boundingRect.Y = 0;
boundingRect.Width = textMetrics.Width;
boundingRect.Height = textMetrics.Height;
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
CreateBitmap(imageWidth, imageHeight);
if (textDefinition.isShouldAntialias)
_graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
var _brush = new SolidBrush(foregroundColor);
_graphics.Clear(System.Drawing.Color.Transparent);
_graphics.DrawString(text, font, _brush, new RectangleF(PointF.Empty, dimensions), stringFormat);
_graphics.Flush();
try
{
_bitmap = (Bitmap)_bitmap.RGBToBGR();
var data = new byte[_bitmap.Width * _bitmap.Height * 4];
BitmapData bitmapData = _bitmap.LockBits(new System.Drawing.Rectangle(0, 0, _bitmap.Width, _bitmap.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (bitmapData.Stride != _bitmap.Width * 4)
throw new NotImplementedException();
Marshal.Copy(bitmapData.Scan0, data, 0, data.Length);
_bitmap.UnlockBits(bitmapData);
Texture2D texture = null;
texture = new Texture2D(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, _bitmap.Width, _bitmap.Height);
texture.SetData(data);
return new CCTexture2D(texture);
}
catch (Exception ie)
{
CCLog.Log("CCLabel: internal error creating texture sprite: {0}\n{1}", ie.Message, ie.StackTrace);
}
finally
{
if (_bitmap != null)
{
_bitmap.Dispose();
_bitmap = null;
}
if (_graphics != null)
{
_graphics.Dispose();
_graphics = null;
}
if (_brush != null)
_brush.Dispose();
}
return new CCTexture2D();
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
//bool hasPremultipliedAlpha;
// font
NSFont font = null;
var ext = System.IO.Path.GetExtension(textDef.FontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
try
{
textDef.FontName = LoadFontFile(textDef.FontName);
font = NSFont.FromFontName(textDef.FontName, textDef.FontSize);
}
catch
{
CCLog.Log(".ttf {0} file not found or can not be loaded.", textDef.FontName);
}
}
else
{
// font
font = NSFontManager.SharedFontManager.FontWithFamily(textDef.FontName, NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
}
if (font == null)
{
font = NSFontManager.SharedFontManager.FontWithFamily("Arial", NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
CCLog.Log("{0} not found. Defaulting to Arial.", textDef.FontName);
}
// color
var foregroundColor = NSColor.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? NSTextAlignment.Right
: (CCTextAlignment.Center == horizontalAlignment) ? NSTextAlignment.Center
: NSTextAlignment.Left;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? NSLineBreakMode.CharWrapping
: (CCLabelLineBreak.Word == textDef.LineBreak) ? NSLineBreakMode.ByWordWrapping
: NSLineBreakMode.Clipping;
var nsparagraphStyle = new NSMutableParagraphStyle();
nsparagraphStyle.SetParagraphStyle(NSMutableParagraphStyle.DefaultParagraphStyle);
nsparagraphStyle.LineBreakMode = lineBreak;
nsparagraphStyle.Alignment = textAlign;
// Create a new attributed string definition
var nsAttributes = new NSStringAttributes();
// Font attribute
nsAttributes.Font = font;
nsAttributes.ForegroundColor = foregroundColor;
nsAttributes.ParagraphStyle = nsparagraphStyle;
var stringWithAttributes = new NSAttributedString(text, nsAttributes);
var realDimensions = stringWithAttributes.Size;
// Mac crashes if the width or height is 0
if (realDimensions == SizeF.Empty)
{
CCLog.Log("Native string:", "Dimensions of native NSAttributedString can not be 0,0");
return(new CCTexture2D());
}
var dimensions = new SizeF(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
//
// * Note * This seems to only effect Mac because iOS works fine without this work around.
// Right Alignment BoundingRectWithSize does not seem to be working correctly when the following conditions are set:
// 1) Alignment Right
// 2) No dimensions
// 3) There are new line characters embedded in the string.
//
// So we set alignment to Left, calculate our bounds and then restore alignement afterwards before drawing.
//
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
// Set our alignment variables to left - see notes above.
nsparagraphStyle.Alignment = NSTextAlignment.Left;
stringWithAttributes.Dispose();
stringWithAttributes = null;
stringWithAttributes = new NSAttributedString(text, nsAttributes);
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
// Calculate our bounding rectangle
var boundingRect = stringWithAttributes.BoundingRectWithSize(new SizeF((int)dimensions.Width, (int)dimensions.Height),
NSStringDrawingOptions.UsesLineFragmentOrigin);
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
// Restore our alignment before drawing - see notes above.
nsparagraphStyle.Alignment = textAlign;
stringWithAttributes.Dispose();
stringWithAttributes = null;
stringWithAttributes = new NSAttributedString(text, nsAttributes);
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Alignment
var xOffset = 0.0f;
switch (textAlign)
{
case NSTextAlignment.Left:
xOffset = 0;
break;
case NSTextAlignment.Center:
xOffset = (dimensions.Width - boundingRect.Width) / 2.0f;
break;
case NSTextAlignment.Right: xOffset = dimensions.Width - boundingRect.Width; break;
default: break;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Top == verticleAlignement ||
boundingRect.Height >= dimensions.Height) ? (dimensions.Height - boundingRect.Height) // align to top
: (CCVerticalTextAlignment.Bottom == verticleAlignement) ? 0 // align to bottom
: (imageHeight - boundingRect.Height) / 2.0f; // align to center
//Find the rect that the string will draw into inside the dimensions
var drawRect = new RectangleF(xOffset
, yOffset
, boundingRect.Width
, boundingRect.Height);
NSImage image = null;
try
{
//Set antialias or not
NSGraphicsContext.CurrentContext.ShouldAntialias = textDef.isShouldAntialias;
image = new NSImage(new SizeF(imageWidth, imageHeight));
image.LockFocus();
// set a default transform
var transform = new NSAffineTransform();
transform.Set();
stringWithAttributes.DrawInRect(drawRect);
image.UnlockFocus();
// We will use Texture2D from stream here instead of CCTexture2D stream.
var tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, image);
// Debugging purposes
// var path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
// var fileName = Path.Combine(path, "Label3.png");
// using (var stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
// {
// tex.SaveAsPng(stream, imageWidth, imageHeight);
// }
// Create our texture of the label string.
var texture = new CCTexture2D(tex);
return(texture);
}
catch (Exception exc)
{
CCLog.Log("CCLabel: Error creating native label:{0}\n{1}", exc.Message, exc.StackTrace);
}
finally
{
// clean up the resources
if (image != null)
{
image.Dispose();
image = null;
}
if (stringWithAttributes != null)
{
stringWithAttributes.Dispose();
stringWithAttributes = null;
}
}
return(new CCTexture2D());
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
// var display = Game.Activity.WindowManager.DefaultDisplay;
// var metrics = new DisplayMetrics();
// display.GetMetrics(metrics);
// Do not take into account ScaleDensity for now.
// var fontScaleFactor = metrics.ScaledDensity;
// textDef.FontSize = (int)(textDef.FontSize * fontScaleFactor);
// out paint object to hold our drawn text
// var paintFlags = new PaintFlags();
// if (textDefinition.isShouldAntialias)
// paintFlags = PaintFlags.AntiAlias | PaintFlags.SubpixelText;
var textPaint = new TextPaint();
textPaint.Color = Android.Graphics.Color.White;
textPaint.TextAlign = Paint.Align.Left;
textPaint.AntiAlias = textDefinition.isShouldAntialias;
textPaint.TextSize = textDef.FontSize;
var fontName = textDef.FontName;
var ext = System.IO.Path.GetExtension(fontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
CCContentManager.SharedContentManager.GetAssetStreamAsBytes(fontName, out fontName);
var activity = Android.App.Application.Context;
try
{
var typeface = Typeface.CreateFromAsset(activity.Assets, fontName);
textPaint.SetTypeface(typeface);
}
catch (Exception)
{
textPaint.SetTypeface(Typeface.Create(fontName, TypefaceStyle.Normal));
}
}
else
{
textPaint.SetTypeface(Typeface.Create(fontName, TypefaceStyle.Normal));
}
// color
var foregroundColor = Android.Graphics.Color.White;
textPaint.Color = foregroundColor;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? Layout.Alignment.AlignOpposite
: (CCTextAlignment.Center == horizontalAlignment) ? Layout.Alignment.AlignCenter
: Layout.Alignment.AlignNormal;
// LineBreak
// TODO: Find a way to specify the type of line breaking if possible.
var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
// Get bounding rectangle - we need its attribute and method values
var layout = new StaticLayout(text, textPaint,
(int)dimensions.Width, textAlign, 1.0f, 0.0f, false);
var boundingRect = new Rect();
var lineBounds = new Rect();
// Loop through all the lines so we can find our drawing offsets
var lineCount = layout.LineCount;
// early out if something went wrong somewhere and nothing is to be drawn
if (lineCount == 0)
{
return(new CCTexture2D());
}
for (int lc = 0; lc < lineCount; lc++)
{
layout.GetLineBounds(lc, lineBounds);
var max = (int)Math.Ceiling(layout.GetLineMax(lc));
if (boundingRect.Right < max)
{
boundingRect.Right = max;
}
boundingRect.Bottom = lineBounds.Bottom;
}
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Right;
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Bottom;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Recreate our layout based on calculated dimensions so that we can draw the text correctly
// in our image when Alignment is not Left.
if (textAlign != Layout.Alignment.AlignNormal)
{
layout = new StaticLayout(text, textPaint,
(int)dimensions.Width, textAlign, 1.0f, 0.0f, false);
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement ||
boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom
: (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top
: (imageHeight - boundingRect.Bottom) * 0.5f; // align to center
try {
// Create our platform dependant image to be drawn to.
using (Bitmap textureBitmap = Bitmap.CreateBitmap(imageWidth, imageHeight, Bitmap.Config.Argb8888))
{
using (Canvas drawingCanvas = new Canvas(textureBitmap))
{
drawingCanvas.DrawARGB(0, 255, 255, 255);
// Set our vertical alignment
drawingCanvas.Translate(0, yOffset);
// Now draw the text using our layout
layout.Draw(drawingCanvas);
// Create a pixel array
int[] pixels = new int[imageWidth * imageHeight];
// Now lets get our pixels.
// We use CopyPixelsToBuffer so that it is in Premultiplied Alpha already.
// Using Bitmap.GetPixels return non Premultiplied Alpha which causes blending problems
Java.Nio.IntBuffer byteBuffer = Java.Nio.IntBuffer.Allocate(imageWidth * imageHeight);
textureBitmap.CopyPixelsToBuffer(byteBuffer);
if (byteBuffer.HasArray)
{
byteBuffer.Rewind();
byteBuffer.Get(pixels, 0, pixels.Length);
}
// Make sure we recycle - Let's keep it green
textureBitmap.Recycle();
// Here we create our Texture and then set our pixel data.
var texture = new CCTexture2D(imageWidth, imageHeight);
texture.XNATexture.SetData <int>(pixels);
return(texture);
}
}
}
catch (Exception exc)
{
CCLog.Log("CCLabel Android: Error creating native label:{0}\n{1}", exc.Message, exc.StackTrace);
return(new CCTexture2D());
}
}