|
private GetCharacterData ( string text, int offset, |
||
| text | string | The string containing the codepoint. |
| offset | int | The offset at which to read the codepoint. For surrogate pairs, two characters are read, and one otherwise. |
| texture | Receives the texture that contains the codepoint. | |
| data | OpenGlFontChar | Receives the data that describes the codepoint. |
| Résultat | int | |
internal int GetCharacterData(string text, int offset, out Textures.Texture texture, out OpenGlFontChar data) {
int value = char.ConvertToUtf32(text, offset);
int hi = value >> 8;
int lo = value & 0xFF;
if (this.Tables[hi] == null || this.Tables[hi].Texture == null)
{
this.Tables[hi] = new OpenGlFontTable(this.Font, hi << 8);
}
texture = this.Tables[hi].Texture;
data = this.Tables[hi].Characters[lo];
return value >= 0x10000 ? 2 : 1;
}
| Fonts.OpenGlFont::GetCharacterData ( string text, int offset, int &texture, OpenGlFontChar &data ) : int |
// --- functions ---
/// <summary>Measures the size of a string as it would be rendered using the specified font.</summary>
/// <param name="font">The font to use.</param>
/// <param name="text">The string to render.</param>
/// <returns>The size of the string.</returns>
internal static Size MeasureString(Fonts.OpenGlFont font, string text)
{
int width = 0;
int height = 0;
if (text != null && font != null)
{
for (int i = 0; i < text.Length; i++)
{
Textures.Texture texture;
Fonts.OpenGlFontChar data;
i += font.GetCharacterData(text, i, out texture, out data) - 1;
width += data.TypographicSize.Width;
if (data.TypographicSize.Height > height)
{
height = data.TypographicSize.Height;
}
}
}
return(new Size(width, height));
}