| public GetKerning ( char first, char second ) : float | ||
| first | char | |
| second | char | |
| return | float | |
private void DrawPreview()
{
Size size;
string text;
text = previewTextBox.Text;
size = _font.MeasureFont(text);
if (size.Height != 0 && size.Width != 0)
{
Bitmap image;
int x;
int y;
char previousCharacter;
image = new Bitmap(size.Width, size.Height);
x = 0;
y = 0;
previousCharacter = ' ';
using (Graphics g = Graphics.FromImage(image))
{
foreach (char character in text)
{
switch (character)
{
case '\n':
x = 0;
y += _font.LineHeight;
break;
case '\r':
break;
default:
Character data;
int kerning;
data = _font[character];
kerning = _font.GetKerning(previousCharacter, character);
this.DrawCharacter(g, data, x + data.Offset.X + kerning, y + data.Offset.Y);
x += data.XAdvance + kerning;
break;
}
previousCharacter = character;
}
}
previewImageBox.Image = image;
}
}
public override void DrawTexture()
{
Positions.Clear();
Colors.Clear();
TextureCoordinates.Clear();
// http://www.cyotek.com/blog/angelcode-bitmap-font-parsing-using-csharp
foreach (var textInfo in TextInfo)
{
textInfo.Offsets.Clear();
int x = 0;
int y = 0;
var w = bmpFont.TextureSize.Width;
var h = bmpFont.TextureSize.Height;
char previousCharacter;
previousCharacter = ' ';
var normalizedText = textInfo.Text;
foreach (char character in normalizedText)
{
switch (character)
{
case '\n':
x = 0;
y -= bmpFont.LineHeight;
break;
default:
Character data = bmpFont[character];
int kerning = bmpFont.GetKerning(previousCharacter, character);
//DrawCharacter(data, x + data.Offset.X + kerning, y + data.Offset.Y, builder);
DrawCharacter(data, new Vector3(x, y, 0), w, h, kerning, textInfo);
x += data.XAdvance + kerning;
break;
}
previousCharacter = character;
}
}
UpdateBounds();
}
protected override void OnDrawTexture(IDeviceResources deviceResources)
{
Texture = TextureStatic;
Width = 0;
Height = 0;
// http://www.cyotek.com/blog/angelcode-bitmap-font-parsing-using-csharp
var tempList = new List <BillboardVertex>(100);
foreach (var textInfo in TextInfo)
{
tempList.Clear();
int x = 0;
int y = 0;
var w = BitmapFont.TextureSize.Width;
var h = BitmapFont.TextureSize.Height;
char previousCharacter;
previousCharacter = ' ';
var normalizedText = textInfo.Text;
var rect = new RectangleF(textInfo.Origin.X, textInfo.Origin.Y, 0, 0);
foreach (char character in normalizedText)
{
switch (character)
{
case '\n':
x = 0;
y -= BitmapFont.LineHeight;
break;
default:
Character data = BitmapFont[character];
int kerning = BitmapFont.GetKerning(previousCharacter, character);
tempList.Add(DrawCharacter(data, new Vector3(x + data.Offset.X, y - data.Offset.Y, 0), w, h, kerning, textInfo));
x += data.XAdvance + kerning;
break;
}
previousCharacter = character;
if (tempList.Count > 0)
{
rect.Width = Math.Max(rect.Width, x * textInfo.Scale * textureScale);
rect.Height = Math.Max(rect.Height, Math.Abs(tempList.Last().OffBR.Y));
}
}
var halfW = rect.Width / 2;
var halfH = rect.Height / 2;
BillboardVertices.Add(new BillboardVertex()
{
Position = textInfo.Origin.ToVector4(),
Background = textInfo.Background,
TexTL = Vector2.Zero,
TexBR = Vector2.Zero,
OffTL = new Vector2(-halfW, halfH),
OffBR = new Vector2(halfW, -halfH),
});
textInfo.UpdateTextInfo(rect.Width, rect.Height);
foreach (var vert in tempList)
{
var v = vert;
v.OffTL += new Vector2(-halfW, halfH);
v.OffBR += new Vector2(-halfW, halfH);
BillboardVertices.Add(v);
}
Width += rect.Width;
Height += rect.Height;
}
}
private Mesh GenerateLineMesh(Vector3 position, string str, Vector3 renderSize)
{
Font.Color = new Color(255, 255, 255, 70);
//Set up mesh structures
List <int> Triangles = new List <int>();
List <Vector3> vertices = new List <Vector3>();
List <Vector2> uvs = new List <Vector2>();
//Keep track of position
Vector3 curPos = position;
Vector3 scale = renderSize / Font.Size;
scale.x = 1;
scale.y = 1;
scale.z = 1;
for (int idx = 0; idx < str.Length; idx++)
{
char c = str[idx];
BitmapChar charInfo = Font.GetBitmapChar((int)c);
int vertIndex = vertices.Count;
//Set up uvs
Rect uvRect = Font.GetUVRect(charInfo);
//Debug.Log(uvRect);
Vector2 uvScale = new Vector2(uvRect.width, uvRect.height);
Vector2 uvOffset = new Vector2(uvRect.x, uvRect.y);
for (int i = 0; i < quadUvs.Length; i++)
{
uvs.Add(Vector2.Scale(quadUvs[i], uvScale) + uvOffset);
}
//Set up verts
Vector3 vertSize = Vector2.Scale(charInfo.Size, scale);
Vector3 vertOffset = Vector2.Scale(charInfo.Offset, scale);
vertOffset.y = renderSize.y - (vertOffset.y + vertSize.y); // change offset from top to bottom
for (int i = 0; i < quadVerts.Length; i++)
{
Vector3 vert = Vector3.Scale(quadVerts[i], vertSize) + curPos + vertOffset;
vert.x = (int)vert.x;
vert.y = (int)vert.y;
vert.z = (int)vert.z;
//Debug.Log(vert);
vertices.Add(vert);
}
//Set up triangles
for (int i = 0; i < quadTriangles.Length; i++)
{
Triangles.Add(quadTriangles[i] + vertIndex);
}
//Advance cursor
float krn = 0;
if (idx < Text.Length - 1)
{
krn = Font.GetKerning(c, Text[idx + 1]);
}
curPos.x += (charInfo.XAdvance + krn) * scale.x * spacing;
}
//Assign verts, uvs, tris and materials to mesh
Mesh mesh = new Mesh();
mesh.vertices = vertices.ToArray();
mesh.uv = uvs.ToArray();
mesh.subMeshCount = 1;
mesh.SetTriangles(Triangles.ToArray(), 0);
return(mesh);
}
protected override void OnUpdateTextureAndBillboardVertices(IDeviceResources deviceResources)
{
Width = 0;
Height = 0;
// http://www.cyotek.com/blog/angelcode-bitmap-font-parsing-using-csharp
var tempList = new List <BillboardVertex>(100);
foreach (var textInfo in TextInfo)
{
int tempPrevCount = tempList.Count;
int x = 0;
int y = 0;
var w = BitmapFont.TextureSize.Width;
var h = BitmapFont.TextureSize.Height;
char previousCharacter;
previousCharacter = ' ';
var normalizedText = textInfo.Text;
var rect = new RectangleF(textInfo.Origin.X, textInfo.Origin.Y, 0, 0);
foreach (char character in normalizedText)
{
switch (character)
{
case '\n':
x = 0;
y -= BitmapFont.LineHeight;
break;
default:
Character data = BitmapFont[character];
int kerning = BitmapFont.GetKerning(previousCharacter, character);
tempList.Add(DrawCharacter(data, new Vector3(x + data.Offset.X, y - data.Offset.Y, 0), w, h, kerning, textInfo));
x += data.XAdvance + kerning;
break;
}
previousCharacter = character;
if (tempList.Count > 0)
{
rect.Width = Math.Max(rect.Width, x * textInfo.Scale * textureScale);
rect.Height = Math.Max(rect.Height, Math.Abs(tempList.Last().OffBR.Y));
}
}
var transform = textInfo.Angle != 0 ? Matrix3x2.Rotation(textInfo.Angle) : Matrix3x2.Identity;
var halfW = rect.Width / 2;
var halfH = rect.Height / 2;
//Add backbround vertex first. This also used for hit test
BillboardVertices.Add(new BillboardVertex()
{
Position = textInfo.Origin.ToVector4(),
Background = textInfo.Background,
TexTL = Vector2.Zero,
TexBR = Vector2.Zero,
OffTL = Matrix3x2.TransformPoint(transform, new Vector2(-halfW, halfH)),
OffBR = Matrix3x2.TransformPoint(transform, new Vector2(halfW, -halfH)),
OffTR = Matrix3x2.TransformPoint(transform, new Vector2(-halfW, -halfH)),
OffBL = Matrix3x2.TransformPoint(transform, new Vector2(halfW, halfH)),
});
textInfo.UpdateTextInfo(rect.Width, rect.Height);
for (int k = tempPrevCount; k < tempList.Count; ++k)
{
var v = tempList[k];
v.OffTL = Matrix3x2.TransformPoint(transform, v.OffTL + new Vector2(-halfW, halfH));
v.OffBR = Matrix3x2.TransformPoint(transform, v.OffBR + new Vector2(-halfW, halfH));
v.OffTR = Matrix3x2.TransformPoint(transform, v.OffTR + new Vector2(-halfW, halfH));
v.OffBL = Matrix3x2.TransformPoint(transform, v.OffBL + new Vector2(-halfW, halfH));
tempList[k] = v;
}
Width += rect.Width;
Height += rect.Height;
}
foreach (var v in tempList)
{
BillboardVertices.Add(v);
}
}
public int GetKerning(BitmapFont font, ISymbol previousData) => previousData.SymbolType == SymbolType.Icon ? 0 : font.GetKerning(previousData.Character, Character);