public void IndexToXyShouldWorkCorrectly()
{
ITextContext context = new TypographyTextContext("0123456", FontFile, 36,
FontStretch.Normal, FontStyle.Normal, FontWeight.Normal,
1000, 100,
TextAlignment.Leading);
// prepare debug contexts
{
surface = new Cairo.ImageSurface(Cairo.Format.Argb32, 2000, 2000);
g = new Cairo.Context(surface);
g.SetSourceRGBA(1, 1, 1, 1);
g.Paint();
g.SetSourceRGBA(0, 0, 0, 1);
g.LineWidth = 1;
}
// build path
CairoPathBuilder cairoPathBuilder;
cairoPathBuilder = new CairoPathBuilder(g, 0, 0, 1);
context.Build(Point.Zero, cairoPathBuilder);
float x, y, height;
context.IndexToXY(0, false, out x, out y, out height);
context.IndexToXY(1, false, out x, out y, out height);
context.IndexToXY(2, false, out x, out y, out height);
context.IndexToXY(3, false, out x, out y, out height);
context.IndexToXY(4, false, out x, out y, out height);
context.IndexToXY(5, false, out x, out y, out height);
}
public void XyToIndexShouldWorkCorrectly()
{
ITextContext context = new TypographyTextContext("0123456", FontFile, 36,
FontStretch.Normal, FontStyle.Normal, FontWeight.Normal,
1000, 100,
TextAlignment.Leading);
// prepare debug contexts
{
surface = new Cairo.ImageSurface(Cairo.Format.Argb32, 2000, 2000);
g = new Cairo.Context(surface);
g.SetSourceRGBA(1, 1, 1, 1);
g.Paint();
g.SetSourceRGBA(0, 0, 0, 1);
g.LineWidth = 1;
}
// build path
CairoPathBuilder cairoPathBuilder;
cairoPathBuilder = new CairoPathBuilder(g, 0, 0, 1);
context.Build(Point.Zero, cairoPathBuilder);
bool isInside = false;
uint charIndex = context.XyToIndex(-1, 0, out isInside);
Assert.False(isInside);
Assert.Equal(0u, charIndex);
charIndex = context.XyToIndex(13, 0, out isInside);
Assert.True(isInside);
Assert.Equal(0u, charIndex);
charIndex = context.XyToIndex(37, 0, out isInside);
Assert.True(isInside);
Assert.Equal(1u, charIndex);
charIndex = context.XyToIndex(64, 0, out isInside);
Assert.True(isInside);
Assert.Equal(2u, charIndex);
charIndex = context.XyToIndex(89, 0, out isInside);
Assert.True(isInside);
Assert.Equal(3u, charIndex);
}
public void ShouldGetCorrectOutline()
{
ITextContext textContext = new TypographyTextContext(
"0123456", FontFile, 36,
FontStretch.Normal, FontStyle.Normal, FontWeight.Normal,
1000, 100,
TextAlignment.Leading);
// prepare debug contexts
{
surface = new Cairo.ImageSurface(Cairo.Format.Argb32, 2000, 2000);
g = new Cairo.Context(surface);
g.SetSourceRGBA(1, 1, 1, 1);
g.Paint();
g.SetSourceRGBA(0, 0, 0, 1);
g.LineWidth = 1;
}
// build path
CairoPathBuilder cairoPathBuilder;
{
cairoPathBuilder = new CairoPathBuilder(g, 0, 0, 1);
textContext.Build(Point.Zero, cairoPathBuilder);
}
// show debug results
// image
{
surface.WriteToPng(PathImagePath);
g.Dispose();
Assert.False(PathImagePath.Contains(" "));
// open the image in Windows Photo Viewer
Process.Start(@"C:\WINDOWS\System32\rundll32.exe", @"""C:\Program Files\Windows Photo Viewer\PhotoViewer.dll"", ImageView_Fullscreen " + PathImagePath);
}
//text
{
var text = cairoPathBuilder.Result;
File.WriteAllText(PathTextPath, text);
Process.Start(@"notepad", PathTextPath);
}
// Now, check if the output text and image shows a right outline of the text.
}