private void ReadPictGroup(RTF rtf)
{
bool read_image_data = false;
Picture picture = new Picture ();
while (true) {
rtf.GetToken ();
if (rtf.CheckCM (TokenClass.Group, Major.EndGroup))
break;
switch (minor) {
case Minor.PngBlip:
picture.ImageType = minor;
read_image_data = true;
break;
case Minor.WinMetafile:
picture.ImageType = minor;
read_image_data = true;
continue;
case Minor.PicWid:
continue;
case Minor.PicHt:
continue;
case Minor.PicGoalWid:
picture.SetWidthFromTwips (param);
continue;
case Minor.PicGoalHt:
picture.SetHeightFromTwips (param);
continue;
}
if (read_image_data && rtf.rtf_class == TokenClass.Text) {
picture.Data.Seek (0, SeekOrigin.Begin);
//char c = (char) rtf.major;
uint digitValue1;
uint digitValue2;
char hexDigit1 = (char) rtf.major;
char hexDigit2;
while (true) {
while (hexDigit1 == '\n' || hexDigit1 == '\r') {
hexDigit1 = (char) source.Peek ();
if (hexDigit1 == '}')
break;
hexDigit1 = (char) source.Read ();
}
hexDigit2 = (char) source.Peek ();
if (hexDigit2 == '}')
break;
hexDigit2 = (char) source.Read ();
while (hexDigit2 == '\n' || hexDigit2 == '\r') {
hexDigit2 = (char) source.Peek ();
if (hexDigit2 == '}')
break;
hexDigit2 = (char) source.Read ();
}
if (Char.IsDigit (hexDigit1))
digitValue1 = (uint) (hexDigit1 - '0');
else if (Char.IsLower (hexDigit1))
digitValue1 = (uint) (hexDigit1 - 'a' + 10);
else if (Char.IsUpper (hexDigit1))
digitValue1 = (uint) (hexDigit1 - 'A' + 10);
else if (hexDigit1 == '\n' || hexDigit1 == '\r')
continue;
else
break;
if (Char.IsDigit (hexDigit2))
digitValue2 = (uint) (hexDigit2 - '0');
else if (Char.IsLower (hexDigit2))
digitValue2 = (uint) (hexDigit2 - 'a' + 10);
else if (Char.IsUpper (hexDigit2))
digitValue2 = (uint) (hexDigit2 - 'A' + 10);
else if (hexDigit2 == '\n' || hexDigit2 == '\r')
continue;
else
break;
picture.Data.WriteByte ((byte) checked (digitValue1 * 16 + digitValue2));
// We get the first hex digit at the end, since in the very first
// iteration we use rtf.major as the first hex digit
hexDigit1 = (char) source.Peek ();
if (hexDigit1 == '}')
break;
hexDigit1 = (char) source.Read ();
}
read_image_data = false;
break;
}
}
if (picture.ImageType != Minor.Undefined && !read_image_data) {
this.picture = picture;
SetToken (TokenClass.Control, Major.PictAttr, picture.ImageType, 0, String.Empty);
}
}
internal PictureTag (Line line, int start, RTF.Picture picture) : base (line, start)
{
this.picture = picture;
}
private void ReadPictGroup(RTF rtf)
{
bool read_image_data = false;
int groupDepth = 0;
Picture picture = new Picture();
while (true)
{
rtf.GetToken();
if (rtf.CheckCM(TokenClass.Group, Major.BeginGroup))
{
groupDepth++;
}
if (rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
groupDepth--;
}
if (groupDepth < 0)
{
break;
}
switch (minor)
{
case Minor.PngBlip:
case Minor.JpegBlip:
case Minor.WinMetafile:
case Minor.EnhancedMetafile:
picture.ImageType = minor;
read_image_data = true;
continue;
case Minor.PicWid:
continue;
case Minor.PicHt:
continue;
case Minor.PicGoalWid:
picture.SetWidthFromTwips(param);
continue;
case Minor.PicGoalHt:
picture.SetHeightFromTwips(param);
continue;
}
if (read_image_data && rtf.rtf_class == TokenClass.Text)
{
picture.Data.Seek(0, SeekOrigin.Begin);
//char c = (char) rtf.major;
uint digitValue1;
uint digitValue2;
char hexDigit1 = (char)rtf.major;
char hexDigit2;
while (true)
{
while (hexDigit1 == '\n' || hexDigit1 == '\r')
{
hexDigit1 = (char)source.Peek();
if (hexDigit1 == '}')
{
break;
}
hexDigit1 = (char)source.Read();
}
hexDigit2 = (char)source.Peek();
if (hexDigit2 == '}')
{
break;
}
hexDigit2 = (char)source.Read();
while (hexDigit2 == '\n' || hexDigit2 == '\r')
{
hexDigit2 = (char)source.Peek();
if (hexDigit2 == '}')
{
break;
}
hexDigit2 = (char)source.Read();
}
if (Char.IsDigit(hexDigit1))
{
digitValue1 = (uint)(hexDigit1 - '0');
}
else if (Char.IsLower(hexDigit1))
{
digitValue1 = (uint)(hexDigit1 - 'a' + 10);
}
else if (Char.IsUpper(hexDigit1))
{
digitValue1 = (uint)(hexDigit1 - 'A' + 10);
}
else if (hexDigit1 == '\n' || hexDigit1 == '\r')
{
continue;
}
else
{
break;
}
if (Char.IsDigit(hexDigit2))
{
digitValue2 = (uint)(hexDigit2 - '0');
}
else if (Char.IsLower(hexDigit2))
{
digitValue2 = (uint)(hexDigit2 - 'a' + 10);
}
else if (Char.IsUpper(hexDigit2))
{
digitValue2 = (uint)(hexDigit2 - 'A' + 10);
}
else if (hexDigit2 == '\n' || hexDigit2 == '\r')
{
continue;
}
else
{
break;
}
picture.Data.WriteByte((byte)checked (digitValue1 * 16 + digitValue2));
// We get the first hex digit at the end, since in the very first
// iteration we use rtf.major as the first hex digit
hexDigit1 = (char)source.Peek();
if (hexDigit1 == '}')
{
break;
}
hexDigit1 = (char)source.Read();
}
read_image_data = false;
break;
}
}
if (picture.ImageType != Minor.Undefined && !read_image_data)
{
this.picture = picture;
SetToken(TokenClass.Control, Major.PictAttr, picture.ImageType, 0, String.Empty);
}
}