virtual public void TestMultiply()
{
Matrix m1 = new Matrix(2, 3, 4, 5, 6, 7);
Matrix m2 = new Matrix(8, 9, 10, 11, 12, 13);
Matrix shouldBe = new Matrix(46, 51, 82, 91, 130, 144);
Matrix rslt = m1.Multiply(m2);
Assert.AreEqual(shouldBe, rslt);
}
/**
* Creates a new TextRenderInfo object
* @param text the text that should be displayed
* @param gs the graphics state (note: at this time, this is not immutable, so don't cache it)
* @param textMatrix the text matrix at the time of the render operation
* @param markedContentInfo the marked content sequence, if available
*/
internal TextRenderInfo(String text, GraphicsState gs, Matrix textMatrix, ICollection markedContentInfo) {
this.text = text;
this.textToUserSpaceTransformMatrix = textMatrix.Multiply(gs.ctm);
this.gs = gs;
this.markedContentInfos = new List<MarkedContentInfo>();
foreach (MarkedContentInfo m in markedContentInfo) {
this.markedContentInfos.Add(m);
}
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream stream, PdfIndirectReference refi) {
PdfDictionary resources = stream.GetAsDict(PdfName.RESOURCES);
// we read the content bytes up here so if it fails we don't leave the graphics state stack corrupted
// this is probably not necessary (if we fail on this, probably the entire content stream processing
// operation should be rejected
byte[] contentBytes;
contentBytes = ContentByteUtils.GetContentBytesFromContentObject(stream);
PdfArray matrix = stream.GetAsArray(PdfName.MATRIX);
new PushGraphicsState().Invoke(processor, null, null);
if (matrix != null){
float a = matrix.GetAsNumber(0).FloatValue;
float b = matrix.GetAsNumber(1).FloatValue;
float c = matrix.GetAsNumber(2).FloatValue;
float d = matrix.GetAsNumber(3).FloatValue;
float e = matrix.GetAsNumber(4).FloatValue;
float f = matrix.GetAsNumber(5).FloatValue;
Matrix formMatrix = new Matrix(a, b, c, d, e, f);
processor.Gs().ctm = formMatrix.Multiply(processor.Gs().ctm);
}
processor.ProcessContent(contentBytes, resources);
new PopGraphicsState().Invoke(processor, null, null);
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List<PdfObject> operands) {
float a = ((PdfNumber)operands[0]).FloatValue;
float b = ((PdfNumber)operands[1]).FloatValue;
float c = ((PdfNumber)operands[2]).FloatValue;
float d = ((PdfNumber)operands[3]).FloatValue;
float e = ((PdfNumber)operands[4]).FloatValue;
float f = ((PdfNumber)operands[5]).FloatValue;
Matrix matrix = new Matrix(a, b, c, d, e, f);
GraphicsState gs = processor.gsStack.Peek();
gs.ctm = matrix.Multiply(gs.ctm);
}
public void Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List<PdfObject> operands) {
float tx = ((PdfNumber)operands[0]).FloatValue;
float ty = ((PdfNumber)operands[1]).FloatValue;
Matrix translationMatrix = new Matrix(tx, ty);
processor.textMatrix = translationMatrix.Multiply(processor.textLineMatrix);
processor.textLineMatrix = processor.textMatrix;
}
/**
* Creates a new TextRenderInfo object
* @param string the PDF string that should be displayed
* @param gs the graphics state (note: at this time, this is not immutable, so don't cache it)
* @param textMatrix the text matrix at the time of the render operation
* @param markedContentInfo the marked content sequence, if available
*/
internal TextRenderInfo(PdfString @string, GraphicsState gs, Matrix textMatrix, ICollection markedContentInfo) {
this.@string = @string;
this.textToUserSpaceTransformMatrix = textMatrix.Multiply(gs.ctm);
this.gs = gs;
this.markedContentInfos = new List<MarkedContentInfo>();
if (markedContentInfo.Count > 0) { // check for performance purposes, as markedContentInfo.GetEnumerator is a costly operation for some reason
foreach (MarkedContentInfo m in markedContentInfo) {
this.markedContentInfos.Add(m);
}
}
this.fontMatrix = gs.font.GetFontMatrix();
}
