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 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));
}