void CreateTextureFontFromGlyphIndices(
Typeface typeface,
float sizeInPoint,
HintTechnique hintTechnique,
SimpleFontAtlasBuilder atlasBuilder,
bool applyFilter,
ushort[] glyphIndices)
{
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique(hintTechnique);
//
if (atlasBuilder.TextureKind == TextureKind.Msdf)
{
MsdfGenParams msdfGenParams = new MsdfGenParams();
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
builder.BuildFromGlyphIndex(gindex, -1);
var glyphToContour = new GlyphContourBuilder();
builder.ReadShapes(glyphToContour);
//msdfgen with scale the glyph to specific shapescale
msdfGenParams.shapeScale = 1f / 64; //as original
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, msdfGenParams);
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
else
{
AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();
aggTextureGen.TextureKind = atlasBuilder.TextureKind;
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
builder.BuildFromGlyphIndex(gindex, sizeInPoint);
GlyphImage glyphImg = aggTextureGen.CreateGlyphImage(builder, 1);
if (applyFilter)
{
glyphImg = Sharpen(glyphImg, 1);
//TODO:
//the filter make the image shift x and y 1 px
//temp fix with this,
glyphImg.TextureOffsetX += 1;
glyphImg.TextureOffsetY += 1;
}
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
}
void CreateTextureFontFromGlyphIndices(
Typeface typeface,
float sizeInPoint,
HintTechnique hintTechnique,
SimpleFontAtlasBuilder atlasBuilder,
bool applyFilter,
ushort[] glyphIndices)
{
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique(hintTechnique);
//
if (atlasBuilder.TextureKind == TextureKind.Msdf)
{
MsdfGenParams msdfGenParams = new MsdfGenParams();
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
builder.BuildFromGlyphIndex(gindex, -1);
var glyphToContour = new GlyphContourBuilder();
builder.ReadShapes(glyphToContour);
//msdfgen with scale the glyph to specific shapescale
msdfGenParams.shapeScale = 1f / 64; //as original
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, msdfGenParams);
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
else
{
AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();
aggTextureGen.TextureKind = atlasBuilder.TextureKind;
//create reusable agg painter***
//assume each glyph size= 2 * line height
//TODO: review here again...
int tmpMemBmpHeight = (int)(2 * typeface.CalculateRecommendLineSpacing() * typeface.CalculateScaleToPixelFromPointSize(sizeInPoint));
//create glyph img
using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
{
//draw a glyph into tmpMemBmp and then copy to a GlyphImage
aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
builder.BuildFromGlyphIndex(gindex, sizeInPoint);
GlyphImage glyphImg = aggTextureGen.CreateGlyphImage(builder, 1);
if (applyFilter)
{
glyphImg = Sharpen(glyphImg, 1);
//TODO:
//the filter make the image shift x and y 1 px
//temp fix with this,
glyphImg.TextureOffsetX += 1;
glyphImg.TextureOffsetY += 1;
}
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
}
}