void Process()
{
//need a clean buffer
//when drawing
if (buffer != null)
{
buffer.Release();
buffer = null;
}
if (processor == null || lines == null)
{
return;
}
CreateBufferIfNeeded();
processor.Prepare(width, height, character, buffer);
float px = 1.0f / width;
float py = 1.0f / height;
MVector pivot = new MVector(-1, 0);
if (map != null && map.Count > 0 && transforms.Count > 0)
{
int tindex = 0;
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i];
float left = 0;
float alignmentAdjustment = adjustments[i];
for (int j = 0; j < line.Length; j++)
{
if (tindex >= transforms.Count)
{
continue;
}
string ch = line.Substring(j, 1);
FontManager.CharData data = null;
if (map.TryGetValue(ch, out data))
{
if (data.texture == null)
{
tindex++;
continue;
}
CharacterTransform ct = transforms[tindex];
MVector finalPos = new MVector((ct.position.X + left * ct.scale.X) * width - alignmentAdjustment, (ct.position.Y + (i * data.bearing) * py * ct.scale.Y) * height);
left += (data.size.X + pspacing) * px;
character.Bind();
character.SetData(data.texture.Image, GLInterfaces.PixelFormat.Bgra, (int)Math.Ceiling(data.size.X), (int)Math.Ceiling(data.size.Y));
GLTextuer2D.Unbind();
processor.Translation = finalPos;
processor.Angle = ct.angle;
processor.Pivot = pivot;
processor.Scale = ct.scale * (new MVector(data.size.X, data.size.Y) * 0.5f);
processor.ProcessCharacter(width, height, character, buffer);
}
tindex++;
}
}
}
processor.Complete();
Updated();
Output.Data = buffer;
Output.Changed();
}
private void GetTransforms()
{
transforms.Clear();
if (map == null || map.Count == 0)
{
return;
}
adjustments.Clear();
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i];
float alignmentAdjustment = 0;
for (int j = 0; j < line.Length; j++)
{
string ch = line.Substring(j, 1);
FontManager.CharData data = null;
MVector pPos = position;
float pcharRotation = rotation;
MVector pScale = scale;
if (ParentGraph != null && ParentGraph.HasParameterValue(Id, "Rotation"))
{
if (ParentGraph.IsParameterValueFunction(Id, "Rotation"))
{
FunctionGraph func = ParentGraph.GetParameterRaw(Id, "Rotation").Value as FunctionGraph;
func.SetVar("character", j, NodeType.Float);
func.SetVar("maxCharacters", line.Length, NodeType.Float);
func.SetVar("line", i, NodeType.Float);
func.SetVar("maxLines", lines.Length, NodeType.Float);
}
pcharRotation = Convert.ToSingle(ParentGraph.GetParameterValue(Id, "Rotation"));
}
if (ParentGraph != null && ParentGraph.HasParameterValue(Id, "Scale"))
{
if (ParentGraph.IsParameterValueFunction(Id, "Scale"))
{
FunctionGraph func = ParentGraph.GetParameterRaw(Id, "Scale").Value as FunctionGraph;
func.SetVar("character", j, NodeType.Float);
func.SetVar("maxCharacters", line.Length, NodeType.Float);
func.SetVar("line", i, NodeType.Float);
func.SetVar("maxLines", lines.Length, NodeType.Float);
}
pScale = ParentGraph.GetParameterValue <MVector>(Id, "Position");
}
if (ParentGraph != null && ParentGraph.HasParameterValue(Id, "Position"))
{
if (ParentGraph.IsParameterValueFunction(Id, "Position"))
{
FunctionGraph func = ParentGraph.GetParameterRaw(Id, "Position").Value as FunctionGraph;
func.SetVar("character", j, NodeType.Float);
func.SetVar("maxCharacters", line.Length, NodeType.Float);
func.SetVar("line", i, NodeType.Float);
func.SetVar("maxLines", lines.Length, NodeType.Float);
}
pPos = ParentGraph.GetParameterValue <MVector>(Id, "Position");
}
CharacterTransform ct = new CharacterTransform(pcharRotation * (float)(Math.PI / 180.0f), pPos, pScale);
transforms.Add(ct);
//for these two alignments we need to calculate the
//actual full line width first before we do final
//positing and rendering
//to apply the proper adjustment
//for right alignment all we need is the total
//for center we need the halfway point
if (palignment == TextAlignment.Center || palignment == TextAlignment.Right)
{
if (map.TryGetValue(ch, out data))
{
alignmentAdjustment += data.size.X + pspacing;
}
}
}
if (palignment == TextAlignment.Center)
{
alignmentAdjustment *= 0.5f;
}
adjustments.Add(alignmentAdjustment);
}
}