public Size MeasureString(char[] str, int startAt, int len, RequestFont font)
{
//resolve type face
Typeface typeface = typefaceStore.GetTypeface(font.Name, InstalledFontStyle.Normal);
glyphLayout.Typeface = typeface;
MeasuredStringBox result;
float scale = typeface.CalculateToPixelScaleFromPointSize(font.SizeInPoints);
//measure string at specific px scale
glyphLayout.MeasureString(str, startAt, len, out result, scale);
return(new Size((int)result.width, (int)result.CalculateLineHeight()));
}
public Form2()
{
InitializeComponent();
//choose Thai script for 'complex script' testing.
//you can change this to test other script.
_currentTextPrinter.ScriptLang = Typography.OpenFont.ScriptLangs.Latin;
//----------
button1.Click += (s, e) => UpdateRenderOutput();
//simple load test fonts from local test dir
//and send it into test list
chkFillBackground.Checked = true;
chkBorder.CheckedChanged += (s, e) => UpdateRenderOutput();
chkFillBackground.CheckedChanged += (s, e) => UpdateRenderOutput();
//----------
cmbPositionTech.Items.Add(PositionTechnique.OpenFont);
cmbPositionTech.Items.Add(PositionTechnique.Kerning);
cmbPositionTech.Items.Add(PositionTechnique.None);
cmbPositionTech.SelectedIndex = 0;
cmbPositionTech.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
lstHintList.Items.Add(HintTechnique.None);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction_VerticalOnly);
lstHintList.Items.Add(HintTechnique.CustomAutoFit);
lstHintList.SelectedIndex = 0;
lstHintList.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
//share text printer to our sample textbox
//but you can create another text printer that specific to text textbox control
_textBoxControllerForGdi.TextPrinter = _currentTextPrinter;
_textBoxControllerForGdi.BindHostGraphics(this.sampleTextBox1.CreateGraphics());
this.sampleTextBox1.SetController(_textBoxControllerForGdi);
//----------
txtInputChar.TextChanged += (s, e) => UpdateRenderOutput();
//1. create font collection
installedFontCollection = new InstalledFontCollection();
//set some essential handler
installedFontCollection.SetFontNameDuplicatedHandler((f1, f2) => FontNameDuplicatedDecision.Skip);
foreach (string file in Directory.GetFiles("../../../TestFonts", "*.ttf"))
{
//eg. this is our custom font folder
installedFontCollection.AddFont(new FontFileStreamProvider(file));
}
//
_typefaceStore = new TypefaceStore();
_typefaceStore.FontCollection = installedFontCollection;
//----------
//show result
InstalledFont selectedFF = null;
int selected_index = 0;
int ffcount = 0;
bool found = false;
foreach (InstalledFont ff in installedFontCollection.GetInstalledFontIter())
{
if (!found && ff.FontName == "Source Sans Pro")
{
selectedFF = ff;
selected_index = ffcount;
found = true;
}
lstFontList.Items.Add(ff);
ffcount++;
}
//set default font for current text printer
_currentTextPrinter.Typeface = _typefaceStore.GetTypeface(selectedFF.FontName, selectedFF.FontSubFamily);
//----------
if (selected_index < 0)
{
selected_index = 0;
}
lstFontList.SelectedIndex = selected_index;
lstFontList.SelectedIndexChanged += (s, e) =>
{
InstalledFont ff = lstFontList.SelectedItem as InstalledFont;
if (ff != null)
{
//direct set
_currentTextPrinter.Typeface = _typefaceStore.GetTypeface(ff);
//sample text box
UpdateRenderOutput();
}
};
lstFontSizes.Items.AddRange(
new object[] {
8, 9,
10, 11,
12,
14,
16,
18, 20, 22, 24, 26, 28, 36, 48, 72, 240, 300, 360
});
lstFontSizes.SelectedIndexChanged += (s, e) =>
{
//new font size
_currentTextPrinter.FontSizeInPoints = (int)lstFontSizes.SelectedItem;
UpdateRenderOutput();
};
lstFontSizes.SelectedIndex = 0;
this.Text = "Gdi+ Sample";
//------
}
public Form1()
{
InitializeComponent();
_devGdiTextPrinter = new DevGdiTextPrinter();
this.sampleTextBox1.Visible = false;
_openFontStore = new OpenFontStore();
//default
//set script lang,
//test with Thai for 'complex script'
_current_script = Typography.OpenFont.ScriptLangs.Latin;
_devGdiTextPrinter.ScriptLang = _current_script;
_devGdiTextPrinter.PositionTechnique = PositionTechnique.OpenFont;
this.Load += new EventHandler(Form1_Load);
this.txtGridSize.KeyDown += TxtGridSize_KeyDown;
//----------
txtInputChar.TextChanged += (s, e) => UpdateRenderOutput();
//----------
cmbRenderChoices.Items.Add(RenderChoice.RenderWithTextPrinterAndMiniAgg);
cmbRenderChoices.Items.Add(RenderChoice.RenderWithMiniAgg_SingleGlyph);
cmbRenderChoices.Items.Add(RenderChoice.RenderWithGdiPlusPath);
cmbRenderChoices.Items.Add(RenderChoice.RenderWithMsdfGen);
cmbRenderChoices.SelectedIndex = 0;
cmbRenderChoices.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
cmbPositionTech.Items.Add(PositionTechnique.OpenFont);
cmbPositionTech.Items.Add(PositionTechnique.Kerning);
cmbPositionTech.Items.Add(PositionTechnique.None);
cmbPositionTech.SelectedIndex = 0;
cmbPositionTech.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
lstHintList.Items.Add(HintTechnique.None);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction_VerticalOnly);
lstHintList.Items.Add(HintTechnique.CustomAutoFit);
lstHintList.SelectedIndex = 0;
lstHintList.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//edge offset
lstEdgeOffset.Items.Add(0f);
lstEdgeOffset.Items.Add(-10f);
lstEdgeOffset.Items.Add(-8f);
lstEdgeOffset.Items.Add(-6f);
lstEdgeOffset.Items.Add(-4f);
lstEdgeOffset.Items.Add(4f);
lstEdgeOffset.Items.Add(6f);
lstEdgeOffset.Items.Add(8f);
lstEdgeOffset.Items.Add(10f);
lstEdgeOffset.SelectedIndex = 0;
lstEdgeOffset.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//share text printer to our sample textbox
//but you can create another text printer that specific to text textbox control
Graphics gx = this.sampleTextBox1.CreateGraphics();
_controllerForGdi.BindHostGraphics(gx);
_controllerForGdi.TextPrinter = _devGdiTextPrinter;
//----------
_controllerForPixelFarm.BindHostGraphics(gx);
_controllerForPixelFarm.TextPrinter = _devVxsTextPrinter;
//----------
this.sampleTextBox1.SetController(_controllerForPixelFarm);
button1.Click += (s, e) => UpdateRenderOutput();
chkShowGrid.CheckedChanged += (s, e) => UpdateRenderOutput();
chkShowTess.CheckedChanged += (s, e) => UpdateRenderOutput();
chkXGridFitting.CheckedChanged += (s, e) => UpdateRenderOutput();
chkYGridFitting.CheckedChanged += (s, e) => UpdateRenderOutput();
chkFillBackground.CheckedChanged += (s, e) => UpdateRenderOutput();
chkLcdTechnique.CheckedChanged += (s, e) => UpdateRenderOutput();
chkGsubEnableLigature.CheckedChanged += (s, e) => UpdateRenderOutput();
//----------
chkShowTess.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDrawCentroidBone.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDrawGlyphBone.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDynamicOutline.CheckedChanged += (s, e) => UpdateRenderOutput();
chkSetPrinterLayoutForLcdSubPix.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDrawTriangles.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDrawRegenerateOutline.CheckedChanged += (s, e) => UpdateRenderOutput();
chkBorder.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDrawLineHubConn.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDrawPerpendicularLine.CheckedChanged += (s, e) => UpdateRenderOutput();
chkDrawGlyphPoint.CheckedChanged += (s, e) => UpdateRenderOutput();
chkTestGridFit.CheckedChanged += (s, e) => UpdateRenderOutput();
chkUseHorizontalFitAlign.CheckedChanged += (s, e) => UpdateRenderOutput();
chkWriteFitOutputToConsole.CheckedChanged += (s, e) => UpdateRenderOutput();
//----------
//1. create font collection
installedFontCollection = new InstalledFontCollection();
//2. set some essential handler
installedFontCollection.SetFontNameDuplicatedHandler((f1, f2) => FontNameDuplicatedDecision.Skip);
foreach (string file in Directory.GetFiles(Path.Combine("..", "..", "..", "TestFonts"), "*.ttf"))
{
//eg. this is our custom font folder
installedFontCollection.AddFont(new FontFileStreamProvider(file));
}
//3.
//installedFontCollection.LoadSystemFonts();
//----------
//show result
InstalledFont selectedFF = null;
int selected_index = 0;
int ffcount = 0;
bool found = false;
string defaultFont = "Tahoma";
//string defaultFont = "Alef"; //test hebrew
//string defaultFont = "Century";
foreach (InstalledFont ff in installedFontCollection.GetInstalledFontIter())
{
if (!found && ff.FontName == defaultFont)
{
selectedFF = ff;
selected_index = ffcount;
_selectedInstallFont = ff;
found = true;
}
lstFontList.Items.Add(ff);
ffcount++;
}
//set default font for current text printer
//
_typefaceStore = new TypefaceStore();
_typefaceStore.FontCollection = installedFontCollection;
if (selected_index < 0)
{
selected_index = 0;
}
lstFontList.SelectedIndex = selected_index;
lstFontList.SelectedIndexChanged += (s, e) =>
{
InstalledFont ff = lstFontList.SelectedItem as InstalledFont;
if (ff != null)
{
_selectedInstallFont = ff;
selectedTextPrinter.Typeface = _typefaceStore.GetTypeface(ff);
//sample text box
UpdateRenderOutput();
}
};
//----------
lstFontSizes.Items.AddRange(
new object[] {
8, 9,
10, 11,
12,
14,
16,
18, 20, 22, 24, 26, 28, 36, 48, 72,
240, 280, 300, 360, 400, 420, 460,
620, 720, 860, 920, 1024
});
lstFontSizes.SelectedIndexChanged += (s, e) =>
{
//new font size
_fontSizeInPts = (int)lstFontSizes.SelectedItem;
UpdateRenderOutput();
};
//----------------
//string inputstr = "ก้า";
//string inputstr = "น้ำน้ำ";
//string inputstr = "example";
//string inputstr = "lllll";
//string inputstr = "e";
//string inputstr = "T";
//string inputstr = "u";
//string inputstr = "t";
//string inputstr = "2";
//string inputstr = "3";
//string inputstr = "o";
//string inputstr = "l";
//string inputstr = "k";
//string inputstr = "8";
//string inputstr = "#";
//string inputstr = "a";
//string inputstr = "e";
//string inputstr = "l";
//string inputstr = "t";
//string inputstr = "i";
string inputstr = "ma";
//string inputstr = "po";
//string inputstr = "Å";
//string inputstr = "fi";
//string inputstr = "ก่นกิ่น";
//string inputstr = "ญญู";
//string inputstr = "ป่า"; //for gpos test
//string inputstr = "快速上手";
//string inputstr = "啊";
//----------------
this.txtInputChar.Text = inputstr;
this.chkFillBackground.Checked = true;
_readyToRender = true;
}
public Form1()
{
InitializeComponent();
//choose Thai script for 'complex script' testing.
//you can change this to test other script.
_currentTextPrinter.ScriptLang = Typography.OpenFont.ScriptLangs.Thai;
//----------
button1.Click += (s, e) => UpdateRenderOutput();
//simple load test fonts from local test dir
//and send it into test list
chkFillBackground.Checked = true;
chkBorder.CheckedChanged += (s, e) => UpdateRenderOutput();
chkFillBackground.CheckedChanged += (s, e) => UpdateRenderOutput();
//----------
cmbPositionTech.Items.Add(PositionTechnique.OpenFont);
cmbPositionTech.Items.Add(PositionTechnique.Kerning);
cmbPositionTech.Items.Add(PositionTechnique.None);
cmbPositionTech.SelectedIndex = 0;
cmbPositionTech.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
lstHintList.Items.Add(HintTechnique.None);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction_VerticalOnly);
//lstHintList.Items.Add(HintTechnique.CustomAutoFit);
lstHintList.SelectedIndex = 0;
lstHintList.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
txtInputChar.TextChanged += (s, e) => UpdateRenderOutput();
//
//1. create font collection
installedFontCollection = new InstalledFontCollection();
//2. set some essential handler
installedFontCollection.SetFontNameDuplicatedHandler((f1, f2) => FontNameDuplicatedDecision.Skip);
installedFontCollection.LoadFontsFromFolder("../../../TestFonts_Err");
installedFontCollection.LoadFontsFromFolder("../../../TestFonts");
//installedFontCollection.LoadSystemFonts();
//----------
//show result
InstalledFont selectedFF = null;
int selected_index = 0;
int ffcount = 0;
bool found = false;
foreach (InstalledFont ff in installedFontCollection.GetInstalledFontIter())
{
if (!found && ff.FontName == "Tahoma")
{
selectedFF = ff;
selected_index = ffcount;
found = true;
}
lstFontList.Items.Add(ff);
ffcount++;
}
//set default font for current text printer
//
_typefaceStore = new TypefaceStore();
_typefaceStore.FontCollection = installedFontCollection;
//set default font for current text printer
_currentTextPrinter.Typeface = _typefaceStore.GetTypeface(selectedFF);
//----------
if (selected_index < 0)
{
selected_index = 0;
}
lstFontList.SelectedIndex = selected_index;
lstFontList.SelectedIndexChanged += (s, e) =>
{
InstalledFont ff = lstFontList.SelectedItem as InstalledFont;
if (ff != null)
{
_currentTextPrinter.Typeface = _typefaceStore.GetTypeface(ff);
//sample text box
UpdateRenderOutput();
}
};
//----------
lstFontSizes.Items.AddRange(
new object[] {
8, 9,
10, 11,
12,
14,
16,
18, 20, 22, 24, 26, 28, 36, 48, 72, 240, 300, 360
});
lstFontSizes.SelectedIndexChanged += (s, e) =>
{
//new font size
_currentTextPrinter.FontSizeInPoints = (int)lstFontSizes.SelectedItem;
UpdateRenderOutput();
};
lstFontSizes.SelectedIndex = 0;
this.Text = "Gdi+ Sample";
//------
}
void UpdateRenderOutput()
{
if (!_readyToRender)
{
return;
}
//
if (g == null)
{
destImg = new ActualImage(800, 600, PixelFormat.ARGB32);
imgGfx2d = new ImageGraphics2D(destImg); //no platform
painter = new AggCanvasPainter(imgGfx2d);
winBmp = new Bitmap(destImg.Width, destImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
g = this.CreateGraphics();
painter.CurrentFont = new PixelFarm.Drawing.RequestFont("tahoma", 14);
_devVxsTextPrinter = new VxsTextPrinter(painter, _openFontStore);
_devVxsTextPrinter.TargetCanvasPainter = painter;
_devVxsTextPrinter.ScriptLang = _current_script;
_devVxsTextPrinter.PositionTechnique = _devGdiTextPrinter.PositionTechnique;
_devGdiTextPrinter.TargetGraphics = g;
}
if (string.IsNullOrEmpty(this.txtInputChar.Text))
{
return;
}
//test option use be used with lcd subpixel rendering.
//this demonstrate how we shift a pixel for subpixel rendering tech
_devVxsTextPrinter.UseWithLcdSubPixelRenderingTechnique = chkSetPrinterLayoutForLcdSubPix.Checked;
var hintTech = (HintTechnique)lstHintList.SelectedItem;
//1. read typeface from font file
RenderChoice renderChoice = (RenderChoice)this.cmbRenderChoices.SelectedItem;
switch (renderChoice)
{
case RenderChoice.RenderWithGdiPlusPath:
{
selectedTextPrinter = _devGdiTextPrinter;
selectedTextPrinter.Typeface = _typefaceStore.GetTypeface(_selectedInstallFont);
selectedTextPrinter.FontSizeInPoints = _fontSizeInPts;
selectedTextPrinter.HintTechnique = hintTech;
selectedTextPrinter.PositionTechnique = (PositionTechnique)cmbPositionTech.SelectedItem;
#if DEBUG
GlyphDynamicOutline.dbugTestNewGridFitting = chkTestGridFit.Checked;
GlyphDynamicOutline.dbugActualPosToConsole = chkWriteFitOutputToConsole.Checked;
GlyphDynamicOutline.dbugUseHorizontalFitValue = chkUseHorizontalFitAlign.Checked;
#endif
selectedTextPrinter.DrawString(this.txtInputChar.Text.ToCharArray(), 0, 0);
}
break;
case RenderChoice.RenderWithTextPrinterAndMiniAgg:
{
//clear previous draw
painter.Clear(PixelFarm.Drawing.Color.White);
painter.UseSubPixelRendering = chkLcdTechnique.Checked;
painter.FillColor = PixelFarm.Drawing.Color.Black;
selectedTextPrinter = _devVxsTextPrinter;
selectedTextPrinter.Typeface = _typefaceStore.GetTypeface(_selectedInstallFont);
selectedTextPrinter.FontSizeInPoints = _fontSizeInPts;
selectedTextPrinter.HintTechnique = hintTech;
selectedTextPrinter.PositionTechnique = (PositionTechnique)cmbPositionTech.SelectedItem;
//test print 3 lines
#if DEBUG
GlyphDynamicOutline.dbugTestNewGridFitting = chkTestGridFit.Checked;
GlyphDynamicOutline.dbugActualPosToConsole = chkWriteFitOutputToConsole.Checked;
GlyphDynamicOutline.dbugUseHorizontalFitValue = chkUseHorizontalFitAlign.Checked;
#endif
char[] printTextBuffer = this.txtInputChar.Text.ToCharArray();
float x_pos = 0, y_pos = 200;
float lineSpacingPx = selectedTextPrinter.FontLineSpacingPx;
for (int i = 0; i < 1; ++i)
{
selectedTextPrinter.DrawString(printTextBuffer, x_pos, y_pos);
y_pos -= lineSpacingPx;
}
//copy from Agg's memory buffer to gdi
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(destImg, winBmp);
g.Clear(Color.White);
g.DrawImage(winBmp, new Point(10, 0));
}
break;
//==============================================
//render 1 glyph for debug and test
case RenderChoice.RenderWithMsdfGen:
case RenderChoice.RenderWithSdfGen:
{
char testChar = this.txtInputChar.Text[0];
Typeface typeFace = _typefaceStore.GetTypeface(_selectedInstallFont);
RenderWithMsdfImg(typeFace, testChar, _fontSizeInPts);
}
break;
case RenderChoice.RenderWithMiniAgg_SingleGlyph:
{
selectedTextPrinter = _devVxsTextPrinter;
//for test only 1 char
RenderSingleCharWithMiniAgg(
_typefaceStore.GetTypeface(_selectedInstallFont),
this.txtInputChar.Text[0],
_fontSizeInPts);
}
break;
default:
throw new NotSupportedException();
}
}