private void cmdMakeFromSelectedString_Click(object sender, EventArgs e)
{
//create a simple stencil texture font
//string sampleFontFile = "../../../TestFonts/tahoma.ttf";
if (this.textBox1.Text == null || _typeface == null)
{
return;
}
string sampleFontFile = _typeface.Filename ?? "";
TextureKind selectedTextureKind = (TextureKind)lstTextureType.SelectedItem;
string bitmapImgSaveFileName = "d:\\WImageTest\\sample_" + selectedTextureKind + "_" +
System.IO.Path.GetFileNameWithoutExtension(sampleFontFile);
var textureGen = new GlyphTextureBitmapGenerator();
bool saveEachGlyphSeparatly = chkSaveEachGlyph.Checked;
char[] chars = this.textBox1.Text.ToCharArray();
textureGen.CreateTextureFontFromInputChars(
_typeface,
FontSizeInPoints,
selectedTextureKind,
chars, //eg. ABCD
(gindex, glyphImg, atlasBuilder) =>
{
if (atlasBuilder != null)
{
atlasBuilder.CompactGlyphSpace = chkCompactGlyphSpace.Checked;
GlyphImage totalGlyphs = atlasBuilder.BuildSingleImage();
//
SaveImgBufferToFile(totalGlyphs, bitmapImgSaveFileName + ".png");
using (System.IO.FileStream fs = new System.IO.FileStream(bitmapImgSaveFileName + ".xml", System.IO.FileMode.Create))
{
atlasBuilder.SaveAtlasInfo(fs);
}
MessageBox.Show("glyph gen " + bitmapImgSaveFileName);
}
else
{
//save each glyph
if (saveEachGlyphSeparatly)
{
SaveImgBufferToFile(glyphImg, bitmapImgSaveFileName + "_" + gindex + ".png");
}
}
});
}
private void cmdTestFontAtlas_Click(object sender, EventArgs e)
{
//read string from txtSampleChars
//please make sure all are unique. (TODO: check it)
//then create a font atlas from the sample chars
char[] sampleChars = txtSampleChars.Text.ToCharArray();
if (sampleChars.Length == 0)
{
return;
}
//
GlyphImage totalGlyphsImg = null;
SimpleFontAtlasBuilder atlasBuilder = null;
var glyphTextureGen = new GlyphTextureBitmapGenerator();
//
Typeface typeface = _basicOptions.Typeface;
float fontSizeInPoints = _basicOptions.FontSizeInPoints;
//
glyphTextureGen.CreateTextureFontFromInputChars(
typeface,
fontSizeInPoints,
TextureKind.StencilLcdEffect,
sampleChars,
(glyphIndex, glyphImage, outputAtlasBuilder) =>
{
if (outputAtlasBuilder != null)
{
//finish
atlasBuilder = outputAtlasBuilder;
}
}
);
atlasBuilder.SpaceCompactOption = SimpleFontAtlasBuilder.CompactOption.ArrangeByHeight;
totalGlyphsImg = atlasBuilder.BuildSingleImage();
string fontTextureImg = "d:\\WImageTest\\test_glyph_atlas.png";
//create atlas
SimpleFontAtlas fontAtlas = atlasBuilder.CreateSimpleFontAtlas();
fontAtlas.TotalGlyph = totalGlyphsImg;
//
using (MemBitmap memBmp = MemBitmap.CreateFromCopy(totalGlyphsImg.Width, totalGlyphsImg.Height, totalGlyphsImg.GetImageBuffer()))
using (System.Drawing.Bitmap bmp = new Bitmap(memBmp.Width, memBmp.Height))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, memBmp.Width, memBmp.Height),
System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var tmpMem = MemBitmap.GetBufferPtr(memBmp);
unsafe
{
PixelFarm.CpuBlit.NativeMemMx.MemCopy((byte *)bmpdata.Scan0,
(byte *)tmpMem.Ptr,
tmpMem.LengthInBytes);
}
bmp.UnlockBits(bmpdata);
bmp.Save(fontTextureImg);
}
#if DEBUG
//save glyph image for debug
//PixelFarm.Agg.ActualImage.SaveImgBufferToPngFile(
// totalGlyphsImg.GetImageBuffer(),
// totalGlyphsImg.Width * 4,
// totalGlyphsImg.Width, totalGlyphsImg.Height,
// "d:\\WImageTest\\total_" + reqFont.Name + "_" + reqFont.SizeInPoints + ".png");
////save image to cache
//SaveImgBufferToFile(totalGlyphsImg, fontTextureImg);
#endif
//cache the atlas
//_createdAtlases.Add(fontKey, fontAtlas);
////
////calculate some commonly used values
//fontAtlas.SetTextureScaleInfo(
// resolvedTypeface.CalculateScaleToPixelFromPointSize(fontAtlas.OriginalFontSizePts),
// resolvedTypeface.CalculateScaleToPixelFromPointSize(reqFont.SizeInPoints));
////TODO: review here, use scaled or unscaled values
//fontAtlas.SetCommonFontMetricValues(
// resolvedTypeface.Ascender,
// resolvedTypeface.Descender,
// resolvedTypeface.LineGap,
// resolvedTypeface.CalculateRecommendLineSpacing());
///
}
void BuildAtlas_FromInputChars()
{
if (!float.TryParse(txtSelectedFontSize.Text, out float fontSizeInPoints))
{
MessageBox.Show("err: selected font size " + txtSelectedFontSize.Text);
return;
}
//1. create glyph-texture-bitmap generator
var glyphTextureGen = new GlyphTextureBitmapGenerator();
glyphTextureGen.SetSvgBmpBuilderFunc(SvgBuilderHelper.ParseAndRenderSvg);
//2. generate the glyphs
TextureKindAndDescription textureKindAndDesc = (TextureKindAndDescription)this.cmbTextureKind.SelectedItem;
if (textureKindAndDesc.Kind == TextureKind.Msdf)
{
glyphTextureGen.MsdfGenVersion = textureKindAndDesc.TechniqueDetail;
}
var atlasBuilder = new SimpleBitmapAtlasBuilder();
glyphTextureGen.CreateTextureFontFromInputChars(
atlasBuilder,
_typeface,
fontSizeInPoints,
textureKindAndDesc.Kind,
GetUniqueChars()
);
//3. set information before write to font-info
atlasBuilder.SpaceCompactOption = SimpleBitmapAtlasBuilder.CompactOption.ArrangeByHeight;
//4. merge all glyph in the builder into a single image
MemBitmap totalGlyphsImg = atlasBuilder.BuildSingleImage(true);
string fontTextureImg = "test_glyph_atlas.png";
//5. save to png
totalGlyphsImg.SaveImage(fontTextureImg);
//-----------------------------------------------
//let view result...
SimpleUtils.DisposeExistingPictureBoxImage(picOutput);
this.lblOutput.Text = "output: " + fontTextureImg;
this.picOutput.Image = new Bitmap(fontTextureImg);
#if DEBUG
//save glyph image for debug
//PixelFarm.Agg.ActualImage.SaveImgBufferToPngFile(
// totalGlyphsImg.GetImageBuffer(),
// totalGlyphsImg.Width * 4,
// totalGlyphsImg.Width, totalGlyphsImg.Height,
// "total_" + reqFont.Name + "_" + reqFont.SizeInPoints + ".png");
////save image to cache
//SaveImgBufferToFile(totalGlyphsImg, fontTextureImg);
#endif
//cache the atlas
//_createdAtlases.Add(fontKey, fontAtlas);
////
////calculate some commonly used values
//fontAtlas.SetTextureScaleInfo(
// resolvedTypeface.CalculateScaleToPixelFromPointSize(fontAtlas.OriginalFontSizePts),
// resolvedTypeface.CalculateScaleToPixelFromPointSize(reqFont.SizeInPoints));
////TODO: review here, use scaled or unscaled values
//fontAtlas.SetCommonFontMetricValues(
// resolvedTypeface.Ascender,
// resolvedTypeface.Descender,
// resolvedTypeface.LineGap,
// resolvedTypeface.CalculateRecommendLineSpacing());
///
}
