public void Font_GetHeight(string family, float size, int height)
{
using Font font = new Font(family, size);
if (font.Name != family)
{
// Not installed on this machine
return;
}
using var hfont = GdiCache.GetHFONT(font, Gdi32.QUALITY.CLEARTYPE);
Assert.Equal(height, hfont.Data.Height);
}
public void Font_GetTextMargins(string family, float size, int left, int right)
{
using Font font = new Font(family, size);
if (font.Name != family)
{
// Not installed on this machine
return;
}
using var hfont = GdiCache.GetHFONT(font, Gdi32.QUALITY.CLEARTYPE);
User32.DRAWTEXTPARAMS margins = hfont.GetTextMargins();
Assert.Equal(left, margins.iLeftMargin);
Assert.Equal(right, margins.iRightMargin);
}
public void Font_MeasureText(string family, float size, Size proposedSize, uint dt, Size expected)
{
using Font font = new Font(family, size);
if (font.Name != family)
{
// Not installed on this machine
return;
}
using var hfont = GdiCache.GetHFONT(font, Gdi32.QUALITY.CLEARTYPE);
using var screen = GdiCache.GetScreenHdc();
Size measure = screen.HDC.MeasureText("Windows Foundation Classes", hfont, proposedSize, (User32.DT)dt);
Assert.Equal(expected, measure);
}
public void Font_GetTextExtent(string family, float size, int width, int height)
{
using Font font = new Font(family, size);
if (font.Name != family)
{
// Not installed on this machine
return;
}
using var hfont = GdiCache.GetHFONT(font, Gdi32.QUALITY.CLEARTYPE);
using var screen = GdiCache.GetScreenHdc();
Size extent = screen.HDC.GetTextExtent("Whizzo Butter", hfont);
Assert.Equal(width, extent.Width);
Assert.Equal(height, extent.Height);
}
public void Font_AdjustForVerticalAlignment(string family, float size, Rectangle bounds, uint dt, Rectangle expected)
{
using Font font = new Font(family, size);
if (font.Name != family)
{
// Not installed on this machine
return;
}
using var hfont = GdiCache.GetHFONT(font, Gdi32.QUALITY.CLEARTYPE);
using var screen = GdiCache.GetScreenHdc();
using var fontSelection = new Gdi32.SelectObjectScope(screen, hfont.Object);
User32.DRAWTEXTPARAMS param = default;
Rectangle result = screen.HDC.AdjustForVerticalAlignment(
"Windows Foundation Classes",
bounds,
(User32.DT)dt,
ref param);
Assert.Equal(expected, result);
}