public override void Draw(DrawContext drawContext)
{
base.Draw(drawContext);
ILineDrawer lineDrawer = this.GetProperty <ILineDrawer>(Property.LINE_DRAWER);
if (lineDrawer != null)
{
lineDrawer.Draw(drawContext.GetCanvas(), occupiedArea.GetBBox());
}
}
public override void Draw(DrawContext drawContext)
{
ILineDrawer leader = this.GetProperty <ILineDrawer>(Property.TAB_LEADER);
if (leader == null)
{
return;
}
bool isTagged = drawContext.IsTaggingEnabled();
if (isTagged)
{
drawContext.GetCanvas().OpenTag(new CanvasArtifact());
}
leader.Draw(drawContext.GetCanvas(), occupiedArea.GetBBox());
if (isTagged)
{
drawContext.GetCanvas().CloseTag();
}
}
/// <summary><inheritDoc/></summary>
public override void DrawChildren(DrawContext drawContext)
{
ILineDrawer lineDrawer = this.GetProperty <ILineDrawer>(Property.LINE_DRAWER);
if (lineDrawer != null)
{
Rectangle area = GetOccupiedAreaBBox();
ApplyMargins(area, false);
lineDrawer.Draw(drawContext.GetCanvas(), area);
}
}
private void ApplyConcatMatrix(DrawContext drawContext, float?angle)
{
AffineTransform rotationTransform = AffineTransform.GetRotateInstance((float)angle);
Rectangle rect = GetBorderAreaBBox();
IList <Point> rotatedPoints = TransformPoints(RectangleToPointsList(rect), rotationTransform);
float[] shift = CalculateShiftToPositionBBoxOfPointsAt(rect.GetX(), rect.GetY() + rect.GetHeight(), rotatedPoints
);
double[] matrix = new double[6];
rotationTransform.GetMatrix(matrix);
drawContext.GetCanvas().ConcatMatrix(matrix[0], matrix[1], matrix[2], matrix[3], shift[0], shift[1]);
}
/// <summary><inheritDoc/></summary>
public override void DrawChildren(DrawContext drawContext)
{
ILineDrawer lineDrawer = this.GetProperty <ILineDrawer>(Property.LINE_DRAWER);
if (lineDrawer != null)
{
PdfCanvas canvas = drawContext.GetCanvas();
bool isTagged = drawContext.IsTaggingEnabled();
if (isTagged)
{
canvas.OpenTag(new CanvasArtifact());
}
Rectangle area = GetOccupiedAreaBBox();
ApplyMargins(area, false);
lineDrawer.Draw(canvas, area);
if (isTagged)
{
canvas.CloseTag();
}
}
}
public override void DrawBackground(DrawContext drawContext)
{
PdfCanvas canvas = drawContext.GetCanvas();
Matrix ctm = canvas.GetGraphicsState().GetCtm();
// Avoid rotation
float?angle = this.GetPropertyAsFloat(Property.ROTATION_ANGLE);
bool avoidRotation = null != angle && HasProperty(Property.BACKGROUND);
bool restoreRotation = HasOwnProperty(Property.ROTATION_ANGLE);
if (avoidRotation)
{
AffineTransform transform = new AffineTransform(ctm.Get(0), ctm.Get(1), ctm.Get(3), ctm.Get(4), ctm.Get(6)
, ctm.Get(7));
try {
transform = transform.CreateInverse();
}
catch (NoninvertibleTransformException e) {
throw new Exception(e.Message, e);
}
transform.Concatenate(new AffineTransform());
canvas.ConcatMatrix(transform);
SetProperty(Property.ROTATION_ANGLE, null);
}
base.DrawBackground(drawContext);
// restore concat matrix and rotation angle
if (avoidRotation)
{
if (restoreRotation)
{
SetProperty(Property.ROTATION_ANGLE, angle);
}
else
{
DeleteOwnProperty(Property.ROTATION_ANGLE);
}
canvas.ConcatMatrix(new AffineTransform(ctm.Get(0), ctm.Get(1), ctm.Get(3), ctm.Get(4), ctm.Get(6), ctm.Get
(7)));
}
}
public override void Draw(DrawContext drawContext)
{
PdfDocument document = drawContext.GetDocument();
ApplyDestination(document);
ApplyAction(document);
bool isTagged = drawContext.IsTaggingEnabled() && GetModelElement() is IAccessibleElement;
TagTreePointer tagPointer = null;
IAccessibleElement accessibleElement = null;
if (isTagged)
{
accessibleElement = (IAccessibleElement)GetModelElement();
PdfName role = accessibleElement.GetRole();
if (role != null && !PdfName.Artifact.Equals(role))
{
tagPointer = document.GetTagStructureContext().GetAutoTaggingPointer();
if (!tagPointer.IsElementConnectedToTag(accessibleElement))
{
AccessibleAttributesApplier.ApplyLayoutAttributes(role, this, document);
if (role.Equals(PdfName.TD))
{
AccessibleAttributesApplier.ApplyTableAttributes(this);
}
if (role.Equals(PdfName.List))
{
AccessibleAttributesApplier.ApplyListAttributes(this);
}
}
tagPointer.AddTag(accessibleElement, true);
}
else
{
isTagged = false;
}
}
bool isRelativePosition = IsRelativePosition();
if (isRelativePosition)
{
ApplyAbsolutePositioningTranslation(false);
}
BeginRotationIfApplied(drawContext.GetCanvas());
DrawBackground(drawContext);
DrawBorder(drawContext);
DrawChildren(drawContext);
EndRotationIfApplied(drawContext.GetCanvas());
if (isRelativePosition)
{
ApplyAbsolutePositioningTranslation(true);
}
if (isTagged)
{
tagPointer.MoveToParent();
if (isLastRendererForModelElement)
{
document.GetTagStructureContext().RemoveElementConnectionToTag(accessibleElement);
}
}
flushed = true;
}
public override void Draw(DrawContext drawContext)
{
base.Draw(drawContext);
PdfDocument document = drawContext.GetDocument();
bool isTagged = drawContext.IsTaggingEnabled() && GetModelElement() is IAccessibleElement;
bool isArtifact = false;
TagTreePointer tagPointer = null;
if (isTagged)
{
tagPointer = document.GetTagStructureContext().GetAutoTaggingPointer();
IAccessibleElement accessibleElement = (IAccessibleElement)GetModelElement();
PdfName role = accessibleElement.GetRole();
if (role != null && !PdfName.Artifact.Equals(role))
{
AccessibleAttributesApplier.ApplyLayoutAttributes(accessibleElement.GetRole(), this, document);
tagPointer.AddTag(accessibleElement);
}
else
{
isTagged = false;
if (PdfName.Artifact.Equals(role))
{
isArtifact = true;
}
}
}
ApplyMargins(occupiedArea.GetBBox(), false);
bool isRelativePosition = IsRelativePosition();
if (isRelativePosition)
{
ApplyAbsolutePositioningTranslation(false);
}
if (fixedYPosition == null)
{
fixedYPosition = occupiedArea.GetBBox().GetY() + pivotY;
}
if (fixedXPosition == null)
{
fixedXPosition = occupiedArea.GetBBox().GetX();
}
PdfCanvas canvas = drawContext.GetCanvas();
if (isTagged)
{
canvas.OpenTag(tagPointer.GetTagReference());
}
else
{
if (isArtifact)
{
canvas.OpenTag(new CanvasArtifact());
}
}
PdfXObject xObject = ((Image)(GetModelElement())).GetXObject();
canvas.AddXObject(xObject, matrix[0], matrix[1], matrix[2], matrix[3], (float)fixedXPosition + deltaX, (float
)fixedYPosition);
if (true.Equals(GetPropertyAsBoolean(Property.FLUSH_ON_DRAW)))
{
xObject.Flush();
}
if (isTagged || isArtifact)
{
canvas.CloseTag();
}
if (isRelativePosition)
{
ApplyAbsolutePositioningTranslation(true);
}
ApplyMargins(occupiedArea.GetBBox(), true);
if (isTagged)
{
tagPointer.MoveToParent();
}
}
public override void Draw(DrawContext drawContext)
{
if (occupiedArea == null)
{
ILog logger = LogManager.GetLogger(typeof(iText.Layout.Renderer.ImageRenderer));
logger.Error(MessageFormatUtil.Format(iText.IO.LogMessageConstant.OCCUPIED_AREA_HAS_NOT_BEEN_INITIALIZED,
"Drawing won't be performed."));
return;
}
bool isRelativePosition = IsRelativePosition();
if (isRelativePosition)
{
ApplyRelativePositioningTranslation(false);
}
bool isTagged = drawContext.IsTaggingEnabled();
LayoutTaggingHelper taggingHelper = null;
bool isArtifact = false;
TagTreePointer tagPointer = null;
if (isTagged)
{
taggingHelper = this.GetProperty <LayoutTaggingHelper>(Property.TAGGING_HELPER);
if (taggingHelper == null)
{
isArtifact = true;
}
else
{
isArtifact = taggingHelper.IsArtifact(this);
if (!isArtifact)
{
tagPointer = taggingHelper.UseAutoTaggingPointerAndRememberItsPosition(this);
if (taggingHelper.CreateTag(this, tagPointer))
{
tagPointer.GetProperties().AddAttributes(0, AccessibleAttributesApplier.GetLayoutAttributes(this, tagPointer
));
}
}
}
}
BeginTransformationIfApplied(drawContext.GetCanvas());
float?angle = this.GetPropertyAsFloat(Property.ROTATION_ANGLE);
if (angle != null)
{
drawContext.GetCanvas().SaveState();
ApplyConcatMatrix(drawContext, angle);
}
base.Draw(drawContext);
bool clipImageInAViewOfBorderRadius = ClipBackgroundArea(drawContext, ApplyMargins(GetOccupiedAreaBBox(),
false), true);
ApplyMargins(occupiedArea.GetBBox(), false);
ApplyBorderBox(occupiedArea.GetBBox(), GetBorders(), false);
if (fixedYPosition == null)
{
fixedYPosition = occupiedArea.GetBBox().GetY() + pivotY;
}
if (fixedXPosition == null)
{
fixedXPosition = occupiedArea.GetBBox().GetX();
}
if (angle != null)
{
fixedXPosition += rotatedDeltaX;
fixedYPosition -= rotatedDeltaY;
drawContext.GetCanvas().RestoreState();
}
PdfCanvas canvas = drawContext.GetCanvas();
if (isTagged)
{
if (isArtifact)
{
canvas.OpenTag(new CanvasArtifact());
}
else
{
canvas.OpenTag(tagPointer.GetTagReference());
}
}
PdfXObject xObject = ((Image)(GetModelElement())).GetXObject();
BeginElementOpacityApplying(drawContext);
canvas.AddXObject(xObject, matrix[0], matrix[1], matrix[2], matrix[3], (float)fixedXPosition + deltaX, (float
)fixedYPosition);
EndElementOpacityApplying(drawContext);
EndTransformationIfApplied(drawContext.GetCanvas());
if (true.Equals(GetPropertyAsBoolean(Property.FLUSH_ON_DRAW)))
{
xObject.Flush();
}
if (isTagged)
{
canvas.CloseTag();
}
if (clipImageInAViewOfBorderRadius)
{
canvas.RestoreState();
}
if (isRelativePosition)
{
ApplyRelativePositioningTranslation(true);
}
ApplyBorderBox(occupiedArea.GetBBox(), GetBorders(), true);
ApplyMargins(occupiedArea.GetBBox(), true);
if (isTagged && !isArtifact)
{
taggingHelper.FinishTaggingHint(this);
taggingHelper.RestoreAutoTaggingPointerPosition(this);
}
}
/// <summary>
/// Performs the drawing operation for the border of this renderer, if
/// defined by any of the
/// <see cref="Property.BORDER"/>
/// values in either the layout
/// element or this
/// <see cref="IRenderer"/>
/// itself.
/// </summary>
/// <param name="drawContext">the context (canvas, document, etc) of this drawing operation.
/// </param>
public virtual void DrawBorder(DrawContext drawContext)
{
Border[] borders = GetBorders();
bool gotBorders = false;
foreach (Border border in borders)
{
gotBorders = gotBorders || border != null;
}
if (gotBorders)
{
float topWidth = borders[0] != null ? borders[0].GetWidth() : 0;
float rightWidth = borders[1] != null ? borders[1].GetWidth() : 0;
float bottomWidth = borders[2] != null ? borders[2].GetWidth() : 0;
float leftWidth = borders[3] != null ? borders[3].GetWidth() : 0;
Rectangle bBox = GetBorderAreaBBox();
if (bBox.GetWidth() <= 0 || bBox.GetHeight() <= 0)
{
ILogger logger = LoggerFactory.GetLogger(typeof(iText.Layout.Renderer.AbstractRenderer
));
logger.Error(String.Format(LogMessageConstant.RECTANGLE_HAS_NEGATIVE_OR_ZERO_SIZES
, "border"));
return;
}
float x1 = bBox.GetX();
float y1 = bBox.GetY();
float x2 = bBox.GetX() + bBox.GetWidth();
float y2 = bBox.GetY() + bBox.GetHeight();
bool isTagged = drawContext.IsTaggingEnabled() && GetModelElement() is IAccessibleElement;
PdfCanvas canvas = drawContext.GetCanvas();
if (isTagged)
{
canvas.OpenTag(new CanvasArtifact());
}
if (borders[0] != null)
{
canvas.SaveState();
borders[0].Draw(canvas, x1, y2, x2, y2, leftWidth, rightWidth);
canvas.RestoreState();
}
if (borders[1] != null)
{
canvas.SaveState();
borders[1].Draw(canvas, x2, y2, x2, y1, topWidth, bottomWidth);
canvas.RestoreState();
}
if (borders[2] != null)
{
canvas.SaveState();
borders[2].Draw(canvas, x2, y1, x1, y1, rightWidth, leftWidth);
canvas.RestoreState();
}
if (borders[3] != null)
{
canvas.SaveState();
borders[3].Draw(canvas, x1, y1, x1, y2, bottomWidth, topWidth);
canvas.RestoreState();
}
if (isTagged)
{
canvas.CloseTag();
}
}
}