int Render_Character(byte[] buffer_fill, byte[] buffer_edge, int buffer_width, int buffer_height, int offset, int asc, FaceStyles style, float thickness, RenderModes rasterMode, ref FT_GlyphInfo glyphInfo);
// PRAGMA MARK - Public Interface
public static void Bake(Font font, bool useAutoSizing, int fontSize, int characterPadding, TMPFontPackingModes fontPackingMode, int atlasWidth, int atlasHeight, FaceStyles fontStyle, int fontStyleMod, RenderModes fontRenderMode, string charactersToBake, string outputFilePath)
{
int errorCode = TMPro_FontPlugin.Initialize_FontEngine();
if (errorCode != 0 && errorCode != 99) // 99 means that engine was already initialized
{
Debug.LogWarning("Error Code: " + errorCode + " occurred while initializing TMPro_FontPlugin.");
return;
}
string fontPath = AssetDatabase.GetAssetPath(font);
errorCode = TMPro_FontPlugin.Load_TrueType_Font(fontPath);
if (errorCode != 0 && errorCode != 99) // 99 means that font was already loaded
{
Debug.LogWarning("Error Code: " + errorCode + " occurred while loading font: " + font + ".");
return;
}
if (useAutoSizing)
{
fontSize = 72;
}
errorCode = TMPro_FontPlugin.FT_Size_Font(fontSize);
if (errorCode != 0)
{
Debug.LogWarning("Error Code: " + errorCode + " occurred while sizing font: " + font + " to size: " + fontSize + ".");
return;
}
byte[] textureBuffer = new byte[atlasWidth * atlasHeight];
int[] characterArray = charactersToBake.Select(c => (int)c).ToArray();
int characterCount = charactersToBake.Length;
var fontFaceInfo = new FT_FaceInfo();
var fontGlyphInfo = new FT_GlyphInfo[characterCount];
float strokeSize = fontStyleMod;
if (fontRenderMode == RenderModes.DistanceField16)
{
strokeSize *= 16;
}
else if (fontRenderMode == RenderModes.DistanceField32)
{
strokeSize *= 32;
}
errorCode = TMPro_FontPlugin.Render_Characters(textureBuffer, atlasWidth, atlasHeight, characterPadding, characterArray, characterCount, fontStyle, strokeSize, useAutoSizing, fontRenderMode, (int)fontPackingMode, ref fontFaceInfo, fontGlyphInfo);
if (errorCode != 0)
{
Debug.LogWarning("Error Code: " + errorCode + " occurred while rendering font characters!");
return;
}
string outputFilename = Path.GetFileNameWithoutExtension(outputFilePath);
// check if font asset already exists
TMP_FontAsset fontAsset = AssetDatabase.LoadAssetAtPath(outputFilePath, typeof(TMP_FontAsset)) as TMP_FontAsset;
if (fontAsset == null)
{
fontAsset = ScriptableObject.CreateInstance <TMP_FontAsset>(); // Create new TextMeshPro Font Asset.
AssetDatabase.CreateAsset(fontAsset, outputFilePath);
}
// Destroy Assets that will be replaced.
UnityEngine.Object.DestroyImmediate(fontAsset.atlas, allowDestroyingAssets: true);
fontAsset.fontAssetType = (fontRenderMode >= RenderModes.DistanceField16) ? TMP_FontAsset.FontAssetTypes.SDF : TMP_FontAsset.FontAssetTypes.Bitmap;
fontAsset.AddFaceInfo(ConvertToFaceInfo(fontFaceInfo));
fontAsset.AddGlyphInfo(ConvertToGlyphs(fontGlyphInfo));
var fontTexture = CreateFontTexture(atlasWidth, atlasHeight, textureBuffer, fontRenderMode);
fontTexture.name = outputFilename + " Atlas";
fontTexture.hideFlags = HideFlags.HideInHierarchy;
fontAsset.atlas = fontTexture;
AssetDatabase.AddObjectToAsset(fontTexture, fontAsset);
// Find all Materials referencing this font atlas.
Material[] materialReferences = TMP_EditorUtility.FindMaterialReferences(fontAsset).Where(m => m != null).ToArray();
if (materialReferences == null || materialReferences.Length <= 0)
{
// Create new Material and add it as Sub-Asset
Shader shader = Shader.Find("TMPro/Distance Field");
Material fontMaterial = new Material(shader);
fontMaterial.name = outputFilename + " Material";
fontAsset.material = fontMaterial;
fontMaterial.hideFlags = HideFlags.HideInHierarchy;
AssetDatabase.AddObjectToAsset(fontMaterial, fontAsset);
materialReferences = new Material[] { fontMaterial };
}
foreach (var m in materialReferences)
{
m.SetTexture(ShaderUtilities.ID_MainTex, fontTexture);
m.SetFloat(ShaderUtilities.ID_TextureWidth, fontTexture.width);
m.SetFloat(ShaderUtilities.ID_TextureHeight, fontTexture.height);
m.SetFloat(ShaderUtilities.ID_WeightNormal, fontAsset.normalStyle);
m.SetFloat(ShaderUtilities.ID_WeightBold, fontAsset.boldStyle);
m.SetFloat(ShaderUtilities.ID_GradientScale, characterPadding + 1);
}
AssetDatabase.SaveAssets();
// Re-import font asset to get the new updated version.
AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(fontAsset));
fontAsset.ReadFontDefinition();
AssetDatabase.Refresh();
// NEED TO GENERATE AN EVENT TO FORCE A REDRAW OF ANY TEXTMESHPRO INSTANCES THAT MIGHT BE USING THIS FONT ASSET
TMPro_EventManager.ON_FONT_PROPERTY_CHANGED(true, fontAsset);
}
private void ThreadRenderBackupFont(int backupLevel, int xOffsetDist)
{
if (m_FontBackupPaths == null || m_FontBackupPaths.Length <= backupLevel)
{
return;
}
List <int> list = new List <int>();
for (int index = 0; index < m_CharacterCount; ++index)
{
if (m_FontGlyphInfo[index].x == -1)
{
list.Add(m_FontGlyphInfo[index].id);
}
}
// 如果有指定字体，则在这里插入
if (m_CharacterUseFontBackup != null && m_CharacterUseFontBackup.Length > backupLevel)
{
foreach (var character in m_CharacterUseFontBackup[backupLevel])
{
if (!string.IsNullOrEmpty(character))
{
for (int i = 0; i < character.Length; i++)
{
// Check to make sure we don't include duplicates
if (list.FindIndex(item => item == character[i]) == -1)
{
list.Add(character[i]);
}
}
}
}
}
if (list.Count == 0)
{
return;
}
int[] characterSet = list.ToArray();
string fontPath = m_FontBackupPaths[backupLevel];
int errorCode = TMPro_FontPlugin.Load_TrueType_Font(fontPath);
if (errorCode != 0)
{
return;
}
var tmpAtlasWidth = 512;
var tmpAtlasHeight = 512;
var tmpTextureBuffer = new byte[tmpAtlasWidth * tmpAtlasHeight];
var tmpCharacterCount = characterSet.Length;
var tmpFontFaceInfo = default(FT_FaceInfo);
var tmpFontGlyphInfo = new FT_GlyphInfo[tmpCharacterCount];
bool autoSizing = m_PointSizeSamplingMode == 0;
float strokeSize = m_FontStyleValue;
if (m_RenderMode == RenderModes.DistanceField16)
{
strokeSize = m_FontStyleValue * 16;
}
if (m_RenderMode == RenderModes.DistanceField32)
{
strokeSize = m_FontStyleValue * 32;
}
errorCode = TMPro_FontPlugin.Render_Characters(tmpTextureBuffer, tmpAtlasWidth,
tmpAtlasHeight, m_Padding, characterSet, tmpCharacterCount, m_FontStyle, strokeSize,
autoSizing, m_RenderMode, (int)m_PackingMode, ref tmpFontFaceInfo, tmpFontGlyphInfo);
if (errorCode != 0)
{
return;
}
int wordWidth = m_PointSize;
int xStart = xOffsetDist - m_Padding * 2 - wordWidth; // 从padding开始拷贝，否则会出现负偏移丢失的情况
int yStart = m_AtlasHeight - m_Padding - 1;
int numY = 0;
for (int index = 0; index < tmpCharacterCount; ++index)
{
if (!Mathf.Approximately(tmpFontGlyphInfo[index].x, -1))
{
var gi = tmpFontGlyphInfo[index];
var x = Mathf.FloorToInt(gi.x) - m_Padding;
var y = tmpAtlasHeight - (Mathf.FloorToInt(gi.y) - m_Padding);
var w = Mathf.CeilToInt(gi.width) + m_Padding * 2;
var h = Mathf.CeilToInt(gi.height) + m_Padding * 2;
for (int r = 0; r < h; r++)
{
for (int c = 0; c < w; c++)
{
m_TextureBuffer[(yStart - r) * m_AtlasWidth + c + xStart] =
tmpTextureBuffer[(y - r) * tmpAtlasWidth + c + x];
}
}
var idx = ArrayUtility.FindIndex(m_FontGlyphInfo, info => info.id == gi.id);
if (idx == -1)
{
// 往数组里面添加
ArrayUtility.Add(ref m_FontGlyphInfo, new FT_GlyphInfo()
{
id = gi.id
});
idx = m_FontGlyphInfo.Length - 1;
}
var gi2 = m_FontGlyphInfo[idx];
gi2.x = xStart + m_Padding;
gi2.y = m_AtlasHeight - yStart + m_Padding;
gi2.width = gi.width;
gi2.height = gi.height;
gi2.xAdvance = gi.xAdvance;
gi2.xOffset = gi.xOffset;
gi2.yOffset = gi.yOffset;
m_FontGlyphInfo[idx] = gi2;
yStart = yStart - h - m_Padding - 1;
numY++;
// 如果超过五个则换一列
if (numY > 5)
{
numY = 0;
xStart = xStart - m_Padding * 2 - wordWidth;
yStart = m_AtlasHeight - m_Padding - 1;
}
}
}
ThreadRenderBackupFont(++backupLevel, xStart);
}