private void ReadDefineMorphShape(Tag format, uint followingOffset)
{
int id = this.sdtr.ReadUI16();
byte[] unparsedShape = this.sdtr.ReadByteBlock((int)(followingOffset - this.sdtr.Offset));
IShape shape = new ShapeParser().Parse(format, unparsedShape, this);
this.characterUnmarshaller.Add(id, shape);
this.swf.AddCharacter(CID_PREFIX + id, shape);
}
private void ReadDefineShapeN(Tag tagType, uint followingOffset)
{
int id = this.sdtr.ReadUI16();
#if DEBUG
this.Log("char id=" + id);
#endif
byte[] unparsedShape = this.sdtr.ReadByteBlock((int)(followingOffset - this.sdtr.Offset));
IShape shape = new ShapeParser().Parse(tagType, unparsedShape, this);
this.characterUnmarshaller.Add(id, shape);
this.swf.AddCharacter(CID_PREFIX + id, shape);
}
private void ReadFont(Tag fontType)
{
int fontID = this.sdtr.ReadUI16();
/* Bunch of flags */
bool hasLayout = this.sdtr.ReadBit();
bool isShiftJIS = this.sdtr.ReadBit();
bool isSmallText = this.sdtr.ReadBit();
bool isANSI = this.sdtr.ReadBit();
bool isWideOffsets = this.sdtr.ReadBit();
bool isWideCodes = this.sdtr.ReadBit();
bool isItalic = this.sdtr.ReadBit();
bool isBold = this.sdtr.ReadBit();
if (!isWideCodes)
{
throw new SWFModellerException(SWFModellerError.SWFParsing,
"Non-wide codes in font encodings are not valid.", swf.Context);
}
if (isShiftJIS)
{
/* ISSUE 50 */
throw new SWFModellerException(SWFModellerError.UnimplementedFeature,
"ShiftJIS character encoding is not supported.", swf.Context);
}
int language = this.sdtr.ReadUI8();
string name = this.sdtr.ReadLengthedUTF8(this.sdtr.ReadUI8());
int numGlyphs = this.sdtr.ReadUI16();
#if DEBUG
this.Log("id=" + fontID + ", name=" + name);
#endif
SWFFont font = new SWFFont(
(SWFFont.Language)language,
name,
isBold,
isItalic,
isSmallText,
numGlyphs);
int startOffset = (int)this.sdtr.Offset; /* The offset table measures from this point. */
int[] shapeOffsets = new int[numGlyphs];
for (int i = 0; i < numGlyphs; i++)
{
shapeOffsets[i] = isWideOffsets ? (int)this.sdtr.ReadUI32() : this.sdtr.ReadUI16();
}
int codeTableOffset = isWideOffsets ? (int)this.sdtr.ReadUI32() : this.sdtr.ReadUI16();
IShape[] shapes = new IShape[numGlyphs];
for (int i = 0; i < numGlyphs; i++)
{
int shapeOffset = (int)sdtr.Offset - startOffset;
if (shapeOffsets[i] != shapeOffset)
{
throw new SWFModellerException(SWFModellerError.SWFParsing, "Bad font data.", swf.Context);
}
int end = codeTableOffset;
if (i < numGlyphs - 1)
{
end = shapeOffsets[i + 1];
}
int len = end - shapeOffset;
byte[] shapeData = this.sdtr.ReadByteBlock(len);
shapes[i] = new ShapeParser().Parse(fontType, shapeData, this);
}
char[] codes = new char[numGlyphs];
for (int i = 0; i < numGlyphs; i++)
{
codes[i] = (char)this.sdtr.ReadUI16();
font.AddGlyph(codes[i], shapes[i]);
}
if (hasLayout)
{
font.Ascent = this.sdtr.ReadSI16();
font.Descent = this.sdtr.ReadSI16();
font.Leading = this.sdtr.ReadSI16();
GlyphLayout[] layouts = new GlyphLayout[numGlyphs];
for (int i = 0; i < numGlyphs; i++)
{
layouts[i] = new GlyphLayout()
{
Advance = this.sdtr.ReadSI16()
};
}
for (int i = 0; i < numGlyphs; i++)
{
layouts[i].Bounds = this.sdtr.ReadRect();
font.AddLayout(codes[i], layouts[i]);
}
int kerningCount = this.sdtr.ReadUI16();
KerningPair[] kernTable = new KerningPair[kerningCount];
for (int i = 0; i < kerningCount; i++)
{
kernTable[i] = new KerningPair()
{
LeftChar = (char)(isWideCodes ? this.sdtr.ReadUI16() : this.sdtr.ReadUI8()),
RightChar = (char)(isWideCodes ? this.sdtr.ReadUI16() : this.sdtr.ReadUI8()),
Adjustment = this.sdtr.ReadSI16()
};
}
font.KerningTable = kernTable;
}
fontDict.Add(fontID, font);
swf.AddFont(font);
}
public static Process Parse(string canvas)
{
var parser = new ShapeParser(canvas);
return(parser.Parse());
}
