public static Bitmap RenderText(LineContent[] lc)
{
float w = 720;
float h = 576;
// With DPIAware setting baseSize need to be kept
// adjust for different DPI settings (96dpi = 100%)
using (Graphics graphics = GUIGraphicsContext.form.CreateGraphics())
{
if (Environment.OSVersion.Version.Major >= 6 && graphics.DpiY != 96.0)
{
w *= graphics.DpiX/96;
h *= graphics.DpiY/96;
}
}
Bitmap bmp = new Bitmap((int)w, (int)h);
using (Graphics gBmp = Graphics.FromImage(bmp))
{
using (SolidBrush brush = new SolidBrush(Color.FromArgb(255, 255, 255)))
{
using (SolidBrush blackBrush = new SolidBrush(Color.FromArgb(0, 0, 0)))
{
gBmp.TextRenderingHint = TextRenderingHint.AntiAlias;
for (int i = 0; i < lc.Length; i++)
{
using (Font fnt = new Font("Courier", (lc[i].doubleHeight ? 22 : 15), FontStyle.Bold))
// fixed width font!
{
int vertOffset = ((int)h / lc.Length) * i;
SizeF size = gBmp.MeasureString(lc[i].line, fnt);
//gBmp.FillRectangle(new SolidBrush(Color.Pink), new Rectangle(0, 0, w, h));
int horzOffset = (int)((w - size.Width) / 2); // center based on actual text width
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset + 1, vertOffset + 0));
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset + 0, vertOffset + 1));
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset - 1, vertOffset + 0));
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset + 0, vertOffset - 1));
gBmp.DrawString(lc[i].line, fnt, brush, new PointF(horzOffset, vertOffset));
}
}
}
}
}
return bmp;
}
public static Bitmap RenderText(LineContent[] lc)
{
int w = 720;
int h = 576;
Bitmap bmp = new Bitmap(w, h);
using (Graphics gBmp = Graphics.FromImage(bmp))
{
using (SolidBrush brush = new SolidBrush(Color.FromArgb(255, 255, 255)))
{
using (SolidBrush blackBrush = new SolidBrush(Color.FromArgb(0, 0, 0)))
{
gBmp.TextRenderingHint = TextRenderingHint.AntiAlias;
for (int i = 0; i < lc.Length; i++)
{
using (Font fnt = new Font("Courier", (lc[i].doubleHeight ? 22 : 15), FontStyle.Bold))
// fixed width font!
{
int vertOffset = (h / lc.Length) * i;
SizeF size = gBmp.MeasureString(lc[i].line, fnt);
//gBmp.FillRectangle(new SolidBrush(Color.Pink), new Rectangle(0, 0, w, h));
int horzOffset = (int)((w - size.Width) / 2); // center based on actual text width
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset + 1, vertOffset + 0));
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset + 0, vertOffset + 1));
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset - 1, vertOffset + 0));
gBmp.DrawString(lc[i].line, fnt, blackBrush, new PointF(horzOffset + 0, vertOffset - 1));
gBmp.DrawString(lc[i].line, fnt, brush, new PointF(horzOffset, vertOffset));
}
}
}
}
}
return bmp;
}
public void EndPage()
{
if (pageNumInProgress == -1)
{
return; // no page in progress
}
else if ((pageNumInProgress < 0 || pageNumInProgress >= 966))
{
Log.Debug("DANGER DANGER!, endpage with pageNumInProgress = %i", pageNumInProgress);
return;
}
Log.Debug("Finished Page {0}", pageNumInProgress);
//bool hasContent = false;
for (int i = 0; i < 25; i++)
{
bool boxed = false;
byte[] lineContent = GetLine(i);
for (int j = 0; j < 40; j++)
{
// Remove spacing attributes ( see 12.2 of the draft)
// FIXME: Some subtitles will have the attributed 'double height'
// and therefore have an empty line between subs.
// ís this content a space attribute?
if (MSB3_NP(lineContent[j]) == 0)
{
if (LSB4(lineContent[j]) == SPACE_ATTRIB_BOX_START)
{
//LogDebug("BS - boxed is true");
boxed = true;
//hasContent = true;
}
else if (LSB4(lineContent[j]) == SPACE_ATTRIB_BOX_END)
{
//LogDebug("BE - boxed is false");
boxed = false;
}
// remove spacing attribute
lineContent[j] = TELETEXT_BLANK;
}
else if (!boxed)
{
// if we are not in boxed mode,
// we dont want to keep the content
lineContent[j] = TELETEXT_BLANK;
assert(!boxed, "EndPage: Boxed not set as expected");
}
}
SetLine(i, lineContent);
}
/*if(!hasContent) {
Log.Debug("(BLANK PAGE)");
}*/
byte[] byte_text = new byte[TELETEXT_WIDTH * TELETEXT_LINES];
Array.Copy(pageContent, byte_text, TELETEXT_LINES * TELETEXT_WIDTH);
char[] text = TextConversion.Convert(language, byte_text);
LineContent[] lc = new LineContent[TELETEXT_LINES];
string realLang = "";
lock (langInfo)
{
string langInfoInPgrs = null;
if (langInfo.TryGetValue(pageNumInProgress, out langInfoInPgrs))
{
realLang = langInfoInPgrs;
}
}
for (int line = 0; line < TELETEXT_LINES; line++)
{
StringBuilder lineBuilder = new StringBuilder();
for (int c = 0; c < TELETEXT_WIDTH; c++)
{
lineBuilder.Append((char)text[line * TELETEXT_WIDTH + c]);
}
lc[line] = new LineContent();
if (realLang != "")
{
lc[line].line = TextConversion.ConvertLineLangSpecific(realLang, lineBuilder.ToString());
}
else
{
lc[line].line = lineBuilder.ToString();
}
lc[line].doubleHeight = true;
}
StringBuilder textBuilder = new StringBuilder();
for (int i = 0; i < text.Length; i++)
{
//sbuf.Append((char)text[i]);
textBuilder.Append((char)text[i]);
//sbuf.Append("" + ((int)pageContent[i]) + " ");
if (((i + 1) % 40) == 0)
{
textBuilder.Append('\n');
}
}
// prepare subtitle
TEXT_SUBTITLE sub = new TEXT_SUBTITLE();
sub.encoding = language;
sub.page = pageNumInProgress;
sub.language = realLang;
sub.text = textBuilder.ToString();
sub.lc = lc;
sub.timeOut = ulong.MaxValue; // never timeout (will be replaced by other page)
sub.timeStamp = presentTime;
assert(sub.text != null, "Sub.text == null!");
if (owner.SubPageInfoCallback != null)
{
TeletextPageEntry pageEntry = new TeletextPageEntry();
pageEntry.language = String.Copy(sub.language);
pageEntry.encoding = (TeletextCharTable)sub.encoding;
pageEntry.page = sub.page;
owner.SubPageInfoCallback(pageEntry);
}
owner.SubtitleRender.OnTextSubtitle(ref sub);
pageNumInProgress = -1;
}
public void EndPage()
{
if (pageNumInProgress == -1)
{
return; // no page in progress
}
else if ((pageNumInProgress < 0 || pageNumInProgress >= 966))
{
Log.Debug("DANGER DANGER!, endpage with pageNumInProgress = %i", pageNumInProgress);
return;
}
Log.Debug("Finished Page {0}", pageNumInProgress);
//bool hasContent = false;
for (int i = 0; i < 25; i++)
{
bool boxed = false;
byte[] lineContent = GetLine(i);
for (int j = 0; j < 40; j++)
{
// Remove spacing attributes ( see 12.2 of the draft)
// FIXME: Some subtitles will have the attributed 'double height'
// and therefore have an empty line between subs.
// ís this content a space attribute?
if (MSB3_NP(lineContent[j]) == 0)
{
if (LSB4(lineContent[j]) == SPACE_ATTRIB_BOX_START)
{
//LogDebug("BS - boxed is true");
boxed = true;
//hasContent = true;
}
else if (LSB4(lineContent[j]) == SPACE_ATTRIB_BOX_END)
{
//LogDebug("BE - boxed is false");
boxed = false;
}
// remove spacing attribute
lineContent[j] = TELETEXT_BLANK;
}
else if (!boxed)
{
// if we are not in boxed mode,
// we dont want to keep the content
lineContent[j] = TELETEXT_BLANK;
assert(!boxed, "EndPage: Boxed not set as expected");
}
}
SetLine(i, lineContent);
}
/*if(!hasContent) {
* Log.Debug("(BLANK PAGE)");
* }*/
byte[] byte_text = new byte[TELETEXT_WIDTH * TELETEXT_LINES];
Array.Copy(pageContent, byte_text, TELETEXT_LINES * TELETEXT_WIDTH);
char[] text = TextConversion.Convert(language, byte_text);
LineContent[] lc = new LineContent[TELETEXT_LINES];
string realLang = "";
lock (langInfo)
{
string langInfoInPgrs = null;
if (langInfo.TryGetValue(pageNumInProgress, out langInfoInPgrs))
{
realLang = langInfoInPgrs;
}
}
for (int line = 0; line < TELETEXT_LINES; line++)
{
StringBuilder lineBuilder = new StringBuilder();
for (int c = 0; c < TELETEXT_WIDTH; c++)
{
lineBuilder.Append((char)text[line * TELETEXT_WIDTH + c]);
}
lc[line] = new LineContent();
if (realLang != "")
{
lc[line].line = TextConversion.ConvertLineLangSpecific(realLang, lineBuilder.ToString());
}
else
{
lc[line].line = lineBuilder.ToString();
}
lc[line].doubleHeight = true;
}
StringBuilder textBuilder = new StringBuilder();
for (int i = 0; i < text.Length; i++)
{
//sbuf.Append((char)text[i]);
textBuilder.Append((char)text[i]);
//sbuf.Append("" + ((int)pageContent[i]) + " ");
if (((i + 1) % 40) == 0)
{
textBuilder.Append('\n');
}
}
// prepare subtitle
TEXT_SUBTITLE sub = new TEXT_SUBTITLE();
sub.encoding = language;
sub.page = pageNumInProgress;
sub.language = realLang;
sub.text = textBuilder.ToString();
sub.lc = lc;
sub.timeOut = ulong.MaxValue; // never timeout (will be replaced by other page)
sub.timeStamp = presentTime;
assert(sub.text != null, "Sub.text == null!");
if (owner.SubPageInfoCallback != null)
{
TeletextPageEntry pageEntry = new TeletextPageEntry();
pageEntry.language = String.Copy(sub.language);
pageEntry.encoding = (TeletextCharTable)sub.encoding;
pageEntry.page = sub.page;
owner.SubPageInfoCallback(pageEntry);
}
owner.SubtitleRender.OnTextSubtitle(ref sub);
pageNumInProgress = -1;
}
