private void button1_Click(object sender, EventArgs e)
{
// ascii printable range
counter = 0;
byte start = 0x20;
byte end = 0x7e;
int range = end - start;
progressBar1.Maximum = range;
progressBar1.Step = 1;
progressBar1.Value = progressBar1.Minimum;
fontSaveFile.Filter = "PNG file (*.png)|*.png|All files (*.*)|*.*";
if (fontSaveFile.ShowDialog() != DialogResult.OK)
{
return;
}
var fnt =
(from font in System.Drawing.FontFamily.Families
where font.Name == fontList.SelectedItem.ToString()
select font).First();
Font f = FindFontWithDimensions(fnt, 256, 256, 16);
for (byte i = start; i <= end; i++)
{
char c = SignedDistanceFieldRenderer.AsciiToChar(i);
ThreadPool.QueueUserWorkItem(
new WaitCallback(RenderDistanceFieldForAsciiChar),
new FontState(f, c, GetInterpolationMode(), range, fontSaveFile.FileName)
);
}
}
private void DrawDistanceResults(object obj)
{
int w = 512;
int h = 256;
FontState state = (FontState)obj;
Bitmap bmp;
lock (dict)
{
bmp = SignedDistanceFieldRenderer.CreateTextureAtlasFromCachedBitmaps(dict, w, h);
}
bmp.Save(state.filename, ImageFormat.Png);
state.s.Stop();
fontPreview.Invoke((MethodInvoker) delegate
{
fontPreview.Image = new Bitmap(bmp);
});
statusStrip1.Invoke((MethodInvoker) delegate
{
toolStripStatusLabel1.Text = string.Format("Ran for {0} seconds", state.s.ElapsedMilliseconds / 1000.0);
});
}
private void ButtonLoad_onClick(object sender, EventArgs e)//load button
{
//Todo: Add ability to load image file formats also
//OpenFileDialogue.Filter = "SVG Files (*.svg)|*.svg|Image files (*.png, *.tiff, *.tif)|*.png;.tiff;.tif|All files (*.*)|*.*";
//This may be a significant undertaking
//Most of these routines are built with an SVG being assumed.
OpenFileDialogue.Filter = "SVG Files (*.svg)|*.svg|All files (*.*)|*.*";
if (OpenFileDialogue.ShowDialog() != DialogResult.OK)
{
return;
}
lastSourceFilename = OpenFileDialogue.FileName;
//to minimize disk IO this is only opened once here and when it needs to be rerendered for actual field generation.
SvgDocument d = SvgDocument.Open(OpenFileDialogue.FileName);
lastWidthHeight = new Tuple <float, float>(d.Width.Value, d.Height.Value);
DecalLoaded = true;
this.GenerateButton.Enabled = true;
SourceAspect = lastWidthHeight.Item1 / lastWidthHeight.Item2;
int sourceHeight = 4096;
int sourceWidth = (int)(4096 * (1.0f / SourceAspect));
//rendered once to memory. That file in memory is downsampled for the preview image as the window is resized.
SourceBitmap = SignedDistanceFieldRenderer.RenderSvgToBitmapWithMaximumSize(lastSourceFilename, sourceWidth, sourceHeight);
decalPreview.Image = BitmapHelper.ResizeBitmapToFit(SourceBitmap, decalPreview.Width, decalPreview.Height, SourceAspect);
}
private void button2_Click(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(lastSvgFilename))
{
svgSaveFile.Filter = "PNG Files (*.png)|*.png|All files (*.*)|*.*";
if (svgSaveFile.ShowDialog() != DialogResult.OK)
{
return;
}
SignedDistanceFieldRenderer.RenderSvgToDistanceFieldToFile(lastSvgFilename, svgSaveFile.FileName);
}
}
private void button3_Click(object sender, EventArgs e)
{
svgOpenFile.Filter = "SVG Files (*.svg)|*.svg|All files (*.*)|*.*";
if (svgOpenFile.ShowDialog() != DialogResult.OK)
{
return;
}
lastSvgFilename = svgOpenFile.FileName;
decalPreview.Image = SignedDistanceFieldRenderer.RenderSvgToBitmapWithMaximumSize(
svgOpenFile.FileName, decalPreview.Width, decalPreview.Height);
}
//TODO: put this in the renderer class where it fits better. Will need to convert lastWidthHeight to a variable passed in.
private Bitmap RenderSVGToFit(string FileName, int width, int height)
{
float documentAspect = lastWidthHeight.Item1 / lastWidthHeight.Item2;
int renderheight, renderwidth;
if ((documentAspect <= 1.0f))
{
renderheight = height;
renderwidth = (int)(height * documentAspect);
}
else
{
renderheight = (int)(width * (1.0f / documentAspect));
renderwidth = width;
}
return(SignedDistanceFieldRenderer.RenderSvgToBitmapWithMaximumSize(FileName, renderwidth, renderheight));
}
private void RenderDistanceFieldForAsciiChar(object obj)
{
FontState state = (FontState)obj;
Bitmap bmp = SignedDistanceFieldRenderer.RenderDistanceFieldForChar(
state.glyph, state.font, 256, 256, state.interpolation);
lock (dict)
{
dict[state.glyph] = bmp;
}
statusStrip1.Invoke((MethodInvoker) delegate
{
progressBar1.PerformStep();
});
if (Interlocked.Increment(ref counter) > state.range)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(DrawDistanceResults), obj);
}
}
private void GenerateButton_onClick(object sender, EventArgs e)//generate button
{
progressBar1.Maximum = 100;
progressBar1.Step = 1;
progressBar1.Value = progressBar1.Minimum;
if (!string.IsNullOrEmpty(lastSourceFilename))
{
//reWork this so that the source image is rendered as some multiple of the target image size.
//change scale factor to a tuple to indicate x and y sizing.
Thread gThread, iThread;
int scalefactor = this.SizeSelectBox_X.SelectedIndex;
int scaleFactorH = this.SizeSelectBox_Y.SelectedIndex;
int spreadFactor = (int)this.SpreadSelector.Value;
float aspect = lastWidthHeight.Item1 / lastWidthHeight.Item2;
//separate render thread. This is the real time sink for this routime.
gThread = new Thread(() =>
{
Debug.Print("Generating distance field from " + lastSourceFilename.ToString());
lastGenerated = SignedDistanceFieldRenderer.RenderSvgToDistanceFieldToBMP(lastSourceFilename, scalefactor, spreadFactor, (int)(4096 * aspect), 4096);
decalPreview.Image = lastGenerated;
Debug.Print("Distance field generated.");
Rendered = true;
});
gThread.Start();
//thread that shows the spinning "working" graphic. while rendering in progress. Hides it when render completes.
iThread = new Thread(() =>
{
waitGraphicEnable(true);
gThread.Join();
waitGraphicEnable(false);
});
iThread.Start();
}
}
