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Simplify font loading

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Don't care about operating system; use the AddFontFile method instead.
Add fallback for font load failure.

This should be easier to maintain in the future, if multiple char->glyph
mappings are to be supported (gen6 is already different from gen7 with
some swapped glyphs).
This commit is contained in:
Kurt
2019-05-19 14:37:15 -07:00
parent d1bc1d07c8
commit 52bfa50641
1 changed files with 19 additions and 36 deletions
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55
PKHeX.WinForms/Util/FontUtil.cs
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@@ -2,53 +2,36 @@
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Text;
using System.Runtime.InteropServices;
using System.IO;
using PKHeX.WinForms.Properties;
namespace PKHeX.WinForms
{
public static class SafeNativeMethods
{
#if WINDOWS
[DllImport("gdi32.dll")]
internal static extern IntPtr AddFontMemResourceEx(IntPtr pbFont, uint cbFont, IntPtr pdv, [In] ref uint pcFonts);
#endif
}
public static class FontUtil
{
private static readonly PrivateFontCollection s_FontCollection = new PrivateFontCollection();
private static readonly PrivateFontCollection CustomFonts = new PrivateFontCollection();
private static FontFamily[] FontFamilies
{
get
{
if (s_FontCollection.Families.Length == 0) SetPKXFont();
return s_FontCollection.Families;
}
}
public static Font GetPKXFont(float size) => new Font(FontFamilies[0], size);
private static void SetPKXFont()
static FontUtil()
{
string g6path = Path.Combine(Path.GetTempPath(), "pgldings6.ttf");
try
{
byte[] fontData = Resources.pgldings_normalregular;
#if WINDOWS
IntPtr fontPtr = Marshal.AllocCoTaskMem(fontData.Length);
Marshal.Copy(fontData, 0, fontPtr, fontData.Length);
s_FontCollection.AddMemoryFont(fontPtr, Resources.pgldings_normalregular.Length); uint dummy = 0;
SafeNativeMethods.AddFontMemResourceEx(fontPtr, (uint)Resources.pgldings_normalregular.Length, IntPtr.Zero, ref dummy);
Marshal.FreeCoTaskMem(fontPtr);
#else
GCHandle fontHandle = GCHandle.Alloc(fontData, GCHandleType.Pinned);
s_FontCollection.AddMemoryFont(fontHandle.AddrOfPinnedObject(), fontData.Length);
fontHandle.Free();
#endif
if (!File.Exists(g6path))
File.WriteAllBytes(g6path, Resources.pgldings_normalregular);
}
catch (Exception ex) { Debug.WriteLine($"Unable to add ingame font: {ex.Message}"); }
catch (Exception ex)
{
Debug.WriteLine($"Unable to add in-game font: {ex.Message}");
return;
}
CustomFonts.AddFontFile(g6path);
}
public static Font GetPKXFont(float size)
{
var family = CustomFonts.Families.Length == 0 ? FontFamily.GenericSansSerif : CustomFonts.Families[0];
return new Font(family, size);
}
}
}