protected override void SetupRender()
{
_textClass = new List <TextClass>();
_text = TextMode == TextMode.Normal || TextSource == TextSource.MarkCollection
? TextLines.Where(x => !String.IsNullOrEmpty(x)).ToList()
: SplitTextIntoCharacters(TextLines);
if (TextSource != TextSource.None)
{
SetupMarks();
}
if (TargetPositioning == TargetPositioningType.Locations)
{
// Adjust the font size for Location support, default will ensure when swicthing between string and location that the Font will be the same visual size.
// Font is further adjusted using the scale text slider.
double newFontSize = ((StringCount - ((StringCount - Font.Size) / 100) * 100)) * ((double)BufferHt / StringCount);
_font = new Font(Font.FontFamily.Name, (int)newFontSize, Font.Style);
_newFontSize = _font.Size;
return;
}
double scaleFactor = ScalingTools.GetScaleFactor();
_font = new Font(Font.FontFamily, Font.Size / (float)scaleFactor, Font.Style);
_newFontSize = _font.Size;
}
private void InitialRender(int frame, Bitmap bitmap)
{
using (Graphics graphics = Graphics.FromImage(bitmap))
{
var text = TextMode == TextMode.Normal
? TextLines.Where(x => !String.IsNullOrEmpty(x)).ToList()
: SplitTextIntoCharacters(TextLines);
int numberLines = text.Count();
SizeF textsize = new SizeF(0, 0);
foreach (string t in text)
{
if (!String.IsNullOrEmpty(t))
{
var size = graphics.MeasureString(t, _font);
if (size.Width > textsize.Width)
{
textsize = size;
}
}
}
_maxTextSize = Convert.ToInt32(textsize.Width * .95);
var intervalPos = GetEffectTimeIntervalPosition(frame);
var intervalPosFactor = intervalPos * 100;
int maxht = Convert.ToInt32(textsize.Height * numberLines);
int xOffset = CalculateXOffset(intervalPosFactor);
int yOffset = CalculateYOffset(intervalPosFactor);
switch (Direction)
{
case TextDirection.Left:
case TextDirection.Right:
xOffset = 0;
break;
case TextDirection.Up:
case TextDirection.Down:
yOffset = 0;
break;
}
int offsetLeft = (((BufferWi - _maxTextSize) / 2) * 2 + xOffset) / 2;
int offsetTop = (((BufferHt - maxht) / 2) * 2 + yOffset) / 2;
double intervalPosition = (GetEffectTimeIntervalPosition(frame) * Speed) % 1;
Point point;
switch (Direction)
{
case TextDirection.Left:
// left
int leftX = BufferWi - (int)(intervalPosition * (textsize.Width + BufferWi));
point =
new Point(Convert.ToInt32(CenterStop ? Math.Max(leftX, (BufferWi - (int)textsize.Width) / 2) : leftX), offsetTop);
DrawText(text, graphics, point);
break;
case TextDirection.Right:
// right
int rightX = -_maxTextSize + (int)(intervalPosition * (_maxTextSize + BufferWi));
point =
new Point(Convert.ToInt32(CenterStop ? Math.Min(rightX, (BufferWi - (int)textsize.Width) / 2) : rightX),
offsetTop);
DrawText(text, graphics, point);
break;
case TextDirection.Up:
// up
int upY = BufferHt - (int)(((textsize.Height * numberLines) + BufferHt) * intervalPosition);
point = new Point(offsetLeft,
Convert.ToInt32(CenterStop ? Math.Max(upY, (BufferHt - (int)(textsize.Height * numberLines)) / 2) : upY));
DrawText(text, graphics, point);
break;
case TextDirection.Down:
// down
int downY = -(int)(textsize.Height * numberLines) +
(int)(((textsize.Height * numberLines) + BufferHt) * intervalPosition);
point = new Point(offsetLeft,
Convert.ToInt32(CenterStop
? Math.Min(downY, (BufferHt - (int)(textsize.Height * numberLines)) / 2)
: downY));
DrawText(text, graphics, point);
break;
default:
// no movement - centered
point = new Point(((BufferWi - _maxTextSize) / 2) + xOffset, offsetTop);
DrawText(text, graphics, point);
break;
}
}
}
private void InitialRender(int frame, Bitmap bitmap)
{
var intervalPos = GetEffectTimeIntervalPosition(frame);
var intervalPosFactor = intervalPos * 100;
var textAngle = CalculateAngle(intervalPosFactor);
using (Graphics graphics = Graphics.FromImage(bitmap))
{
var text = TextMode == TextMode.Normal
? TextLines.Where(x => !String.IsNullOrEmpty(x)).ToList()
: SplitTextIntoCharacters(TextLines);
int numberLines = text.Count();
SizeF textsize = new SizeF(0, 0);
//Adjust Font Size based on the Font scaling factor
_newFontSize = _font.SizeInPoints * (CalculateFontScale(intervalPosFactor) / 100);
_newfont = new Font(Font.FontFamily.Name, _newFontSize, Font.Style);
foreach (string t in text)
{
if (!String.IsNullOrEmpty(t))
{
var size = graphics.MeasureString(t, _newfont);
if (size.Width > textsize.Width)
{
textsize = size;
}
}
}
_maxTextSize = Convert.ToInt32(textsize.Width * .95);
int maxht = Convert.ToInt32(textsize.Height * numberLines);
int xOffset = CalculateXOffset(intervalPosFactor);
int yOffset = CalculateYOffset(intervalPosFactor);
//Rotate the text based off the angle setting
if (Direction == TextDirection.Rotate)
{
//move rotation point to center of image
graphics.TranslateTransform((float)(bitmap.Width / 2 + xOffset), (float)(bitmap.Height / 2 + (yOffset / 2)));
//rotate
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.RotateTransform(textAngle);
//move image back
graphics.TranslateTransform(-(float)(bitmap.Width / 2 + xOffset), -(float)(bitmap.Height / 2 + (yOffset / 2)));
}
switch (Direction)
{
case TextDirection.Left:
case TextDirection.Right:
xOffset = 0;
break;
case TextDirection.Up:
case TextDirection.Down:
yOffset = 0;
break;
}
int offsetLeft = (((BufferWi - _maxTextSize) / 2) * 2 + xOffset) / 2;
int offsetTop = (((BufferHt - maxht) / 2) * 2 + yOffset) / 2;
double intervalPosition = (GetEffectTimeIntervalPosition(frame) * Speed) % 1;
Point point;
switch (Direction)
{
case TextDirection.Left:
// left
int leftX = BufferWi - (int)(intervalPosition * (textsize.Width + BufferWi));
point =
new Point(Convert.ToInt32(CenterStop ? Math.Max(leftX, (BufferWi - (int)textsize.Width) / 2) : leftX), offsetTop);
DrawText(text, graphics, point);
break;
case TextDirection.Right:
// right
int rightX = -_maxTextSize + (int)(intervalPosition * (_maxTextSize + BufferWi));
point =
new Point(Convert.ToInt32(CenterStop ? Math.Min(rightX, (BufferWi - (int)textsize.Width) / 2) : rightX),
offsetTop);
DrawText(text, graphics, point);
break;
case TextDirection.Up:
// up
int upY = BufferHt - (int)(((textsize.Height * numberLines) + BufferHt) * intervalPosition);
point = new Point(offsetLeft,
Convert.ToInt32(CenterStop ? Math.Max(upY, (BufferHt - (int)(textsize.Height * numberLines)) / 2) : upY));
DrawText(text, graphics, point);
break;
case TextDirection.Down:
// down
int downY = -(int)(textsize.Height * numberLines) +
(int)(((textsize.Height * numberLines) + BufferHt) * intervalPosition);
point = new Point(offsetLeft,
Convert.ToInt32(CenterStop
? Math.Min(downY, (BufferHt - (int)(textsize.Height * numberLines)) / 2)
: downY));
DrawText(text, graphics, point);
break;
default:
// no movement - centered
point = new Point((BufferWi - _maxTextSize) / 2 + xOffset, offsetTop);
DrawText(text, graphics, point);
break;
}
}
}
protected override void RenderEffect(int frame, ref PixelFrameBuffer frameBuffer)
{
using (var bitmap = new Bitmap(BufferWi, BufferHt))
{
using (Graphics graphics = Graphics.FromImage(bitmap))
{
var text = TextMode == TextMode.Normal ? TextLines.Where(x => !String.IsNullOrEmpty(x)).ToList() : SplitTextIntoCharacters(TextLines);
int numberLines = text.Count();
SizeF textsize = new SizeF(0, 0);
foreach (string t in text)
{
if (!String.IsNullOrEmpty(t))
{
var size = graphics.MeasureString(t, Font);
if (size.Width > textsize.Width)
{
textsize = size;
}
}
}
_maxTextSize = Convert.ToInt32(textsize.Width * .95);
int maxht = Convert.ToInt32(textsize.Height * numberLines);
int offsetLeft = (((BufferWi - _maxTextSize) / 2) * 2 + Position) / 2;
int offsetTop = (((BufferHt - maxht) / 2) * 2 + Position) / 2;
double intervalPosition = (GetEffectTimeIntervalPosition(frame) * Speed) % 1;
Point point;
switch (Direction)
{
case TextDirection.Left:
// left
int leftX = BufferWi - (int)(intervalPosition * (textsize.Width + BufferWi));
point =
new Point(Convert.ToInt32(CenterStop ? Math.Max(leftX, (BufferWi - (int)textsize.Width) / 2) : leftX), offsetTop);
DrawText(text, graphics, point);
break;
case TextDirection.Right:
// right
int rightX = -_maxTextSize + (int)(intervalPosition * (_maxTextSize + BufferWi));
point =
new Point(Convert.ToInt32(CenterStop ? Math.Min(rightX, (BufferWi - (int)textsize.Width) / 2) : rightX), offsetTop);
DrawText(text, graphics, point);
break;
case TextDirection.Up:
// up
int upY = BufferHt - (int)(((textsize.Height * numberLines) + BufferHt) * intervalPosition);
point = new Point(offsetLeft,
Convert.ToInt32(CenterStop ? Math.Max(upY, (BufferHt - (int)(textsize.Height * numberLines)) / 2): upY));
DrawText(text, graphics, point);
break;
case TextDirection.Down:
// down
int downY = -(int)(textsize.Height * numberLines) + (int)(((textsize.Height * numberLines) + BufferHt) * intervalPosition);
point = new Point(offsetLeft,
Convert.ToInt32(CenterStop
? Math.Min(downY, (BufferHt - (int)(textsize.Height * numberLines)) / 2)
: downY));
DrawText(text, graphics, point);
break;
default:
// no movement - centered
point = new Point(((BufferWi - _maxTextSize) / 2) + PositionX, offsetTop);
DrawText(text, graphics, point);
break;
}
// copy to frameBuffer
for (int x = 0; x < BufferWi; x++)
{
for (int y = 0; y < BufferHt; y++)
{
Color color = bitmap.GetPixel(x, BufferHt - y - 1);
if (!EmptyColor.Equals(color))
{
var hsv = HSV.FromRGB(color);
hsv.V = hsv.V * LevelCurve.GetValue(GetEffectTimeIntervalPosition(frame) * 100) / 100;
frameBuffer.SetPixel(x, y, hsv);
}
}
}
}
}
}
