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235 lines
11 KiB
235 lines
11 KiB
using UnityEngine; |
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using UnityEngine.TextCore; |
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using UnityEngine.TextCore.LowLevel; |
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using UnityEditor; |
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using System.Collections; |
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namespace TMPro.EditorUtilities |
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{ |
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[CustomPropertyDrawer(typeof(TMP_Character))] |
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public class TMP_CharacterPropertyDrawer : PropertyDrawer |
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{ |
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private string k_ColorProperty = "_Color"; |
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int m_GlyphSelectedForEditing = -1; |
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label) |
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{ |
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SerializedProperty prop_Unicode = property.FindPropertyRelative("m_Unicode"); |
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SerializedProperty prop_GlyphIndex = property.FindPropertyRelative("m_GlyphIndex"); |
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SerializedProperty prop_Scale = property.FindPropertyRelative("m_Scale"); |
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GUIStyle style = new GUIStyle(EditorStyles.label); |
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style.richText = true; |
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EditorGUIUtility.labelWidth = 40f; |
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EditorGUIUtility.fieldWidth = 50; |
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Rect rect = new Rect(position.x + 50, position.y, position.width, 49); |
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// Display non-editable fields |
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if (GUI.enabled == false) |
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{ |
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int unicode = prop_Unicode.intValue; |
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EditorGUI.LabelField(new Rect(rect.x, rect.y, 120f, 18), new GUIContent("Unicode: <color=#FFFF80>0x" + unicode.ToString("X") + "</color>"), style); |
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EditorGUI.LabelField(new Rect(rect.x + 115, rect.y, 120f, 18), unicode <= 0xFFFF ? new GUIContent("UTF16: <color=#FFFF80>\\u" + unicode.ToString("X4") + "</color>") : new GUIContent("UTF32: <color=#FFFF80>\\U" + unicode.ToString("X8") + "</color>"), style); |
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EditorGUI.LabelField(new Rect(rect.x, rect.y + 18, 120, 18), new GUIContent("Glyph ID: <color=#FFFF80>" + prop_GlyphIndex.intValue + "</color>"), style); |
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EditorGUI.LabelField(new Rect(rect.x, rect.y + 36, 80, 18), new GUIContent("Scale: <color=#FFFF80>" + prop_Scale.floatValue + "</color>"), style); |
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// Draw Glyph (if exists) |
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DrawGlyph(position, property); |
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} |
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else // Display editable fields |
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{ |
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EditorGUIUtility.labelWidth = 55f; |
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GUI.SetNextControlName("Unicode Input"); |
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EditorGUI.BeginChangeCheck(); |
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string unicode = EditorGUI.TextField(new Rect(rect.x, rect.y, 120, 18), "Unicode:", prop_Unicode.intValue.ToString("X")); |
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if (GUI.GetNameOfFocusedControl() == "Unicode Input") |
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{ |
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//Filter out unwanted characters. |
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char chr = Event.current.character; |
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if ((chr < '0' || chr > '9') && (chr < 'a' || chr > 'f') && (chr < 'A' || chr > 'F')) |
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{ |
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Event.current.character = '\0'; |
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} |
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} |
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if (EditorGUI.EndChangeCheck()) |
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{ |
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// Update Unicode value |
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prop_Unicode.intValue = TMP_TextUtilities.StringHexToInt(unicode); |
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} |
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// Cache current glyph index in case it needs to be restored if the new glyph index is invalid. |
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int currentGlyphIndex = prop_GlyphIndex.intValue; |
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EditorGUIUtility.labelWidth = 59f; |
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EditorGUI.BeginChangeCheck(); |
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EditorGUI.DelayedIntField(new Rect(rect.x, rect.y + 18, 100, 18), prop_GlyphIndex, new GUIContent("Glyph ID:")); |
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if (EditorGUI.EndChangeCheck()) |
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{ |
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// Get a reference to the font asset |
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TMP_FontAsset fontAsset = property.serializedObject.targetObject as TMP_FontAsset; |
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// Make sure new glyph index is valid. |
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int elementIndex = fontAsset.glyphTable.FindIndex(item => item.index == prop_GlyphIndex.intValue); |
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if (elementIndex == -1) |
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prop_GlyphIndex.intValue = currentGlyphIndex; |
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else |
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fontAsset.IsFontAssetLookupTablesDirty = true; |
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} |
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int glyphIndex = prop_GlyphIndex.intValue; |
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// Reset glyph selection if new character has been selected. |
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if (GUI.enabled && m_GlyphSelectedForEditing != glyphIndex) |
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m_GlyphSelectedForEditing = -1; |
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// Display button to edit the glyph data. |
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if (GUI.Button(new Rect(rect.x + 120, rect.y + 18, 75, 18), new GUIContent("Edit Glyph"))) |
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{ |
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if (m_GlyphSelectedForEditing == -1) |
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m_GlyphSelectedForEditing = glyphIndex; |
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else |
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m_GlyphSelectedForEditing = -1; |
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// Button clicks should not result in potential change. |
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GUI.changed = false; |
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} |
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// Show the glyph property drawer if selected |
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if (glyphIndex == m_GlyphSelectedForEditing && GUI.enabled) |
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{ |
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// Get a reference to the font asset |
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TMP_FontAsset fontAsset = property.serializedObject.targetObject as TMP_FontAsset; |
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if (fontAsset != null) |
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{ |
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// Get the index of the glyph in the font asset glyph table. |
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int elementIndex = fontAsset.glyphTable.FindIndex(item => item.index == glyphIndex); |
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if (elementIndex != -1) |
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{ |
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SerializedProperty prop_GlyphTable = property.serializedObject.FindProperty("m_GlyphTable"); |
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SerializedProperty prop_Glyph = prop_GlyphTable.GetArrayElementAtIndex(elementIndex); |
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SerializedProperty prop_GlyphMetrics = prop_Glyph.FindPropertyRelative("m_Metrics"); |
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SerializedProperty prop_GlyphRect = prop_Glyph.FindPropertyRelative("m_GlyphRect"); |
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Rect newRect = EditorGUILayout.GetControlRect(false, 115); |
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EditorGUI.DrawRect(new Rect(newRect.x + 52, newRect.y - 20, newRect.width - 52, newRect.height - 5), new Color(0.1f, 0.1f, 0.1f, 0.45f)); |
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EditorGUI.DrawRect(new Rect(newRect.x + 53, newRect.y - 19, newRect.width - 54, newRect.height - 7), new Color(0.3f, 0.3f, 0.3f, 0.8f)); |
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// Display GlyphRect |
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newRect.x += 55; |
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newRect.y -= 18; |
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newRect.width += 5; |
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EditorGUI.PropertyField(newRect, prop_GlyphRect); |
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// Display GlyphMetrics |
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newRect.y += 45; |
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EditorGUI.PropertyField(newRect, prop_GlyphMetrics); |
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rect.y += 120; |
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} |
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} |
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} |
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EditorGUIUtility.labelWidth = 39f; |
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EditorGUI.PropertyField(new Rect(rect.x, rect.y + 36, 80, 18), prop_Scale, new GUIContent("Scale:")); |
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// Draw Glyph (if exists) |
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DrawGlyph(position, property); |
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} |
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} |
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label) |
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{ |
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return 58; |
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} |
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void DrawGlyph(Rect position, SerializedProperty property) |
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{ |
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// Get a reference to the atlas texture |
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TMP_FontAsset fontAsset = property.serializedObject.targetObject as TMP_FontAsset; |
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if (fontAsset == null) |
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return; |
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// Get a reference to the Glyph Table |
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SerializedProperty prop_GlyphTable = property.serializedObject.FindProperty("m_GlyphTable"); |
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int glyphIndex = property.FindPropertyRelative("m_GlyphIndex").intValue; |
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int elementIndex = fontAsset.glyphTable.FindIndex(item => item.index == glyphIndex); |
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// Return if we can't find the glyph |
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if (elementIndex == -1) |
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return; |
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SerializedProperty prop_Glyph = prop_GlyphTable.GetArrayElementAtIndex(elementIndex); |
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// Get reference to atlas texture. |
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int atlasIndex = prop_Glyph.FindPropertyRelative("m_AtlasIndex").intValue; |
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Texture2D atlasTexture = fontAsset.atlasTextures.Length > atlasIndex ? fontAsset.atlasTextures[atlasIndex] : null; |
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if (atlasTexture == null) |
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return; |
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Material mat; |
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if (((GlyphRasterModes)fontAsset.atlasRenderMode & GlyphRasterModes.RASTER_MODE_BITMAP) == GlyphRasterModes.RASTER_MODE_BITMAP) |
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{ |
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mat = TMP_FontAssetEditor.internalBitmapMaterial; |
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if (mat == null) |
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return; |
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mat.mainTexture = atlasTexture; |
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mat.SetColor(k_ColorProperty, Color.white); |
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} |
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else |
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{ |
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mat = TMP_FontAssetEditor.internalSDFMaterial; |
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if (mat == null) |
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return; |
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mat.mainTexture = atlasTexture; |
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mat.SetFloat(ShaderUtilities.ID_GradientScale, fontAsset.atlasPadding + 1); |
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} |
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// Draw glyph |
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Rect glyphDrawPosition = new Rect(position.x, position.y, 48, 58); |
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SerializedProperty glyphRectProperty = prop_Glyph.FindPropertyRelative("m_GlyphRect"); |
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int padding = fontAsset.atlasPadding; |
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int glyphOriginX = glyphRectProperty.FindPropertyRelative("m_X").intValue - padding; |
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int glyphOriginY = glyphRectProperty.FindPropertyRelative("m_Y").intValue - padding; |
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int glyphWidth = glyphRectProperty.FindPropertyRelative("m_Width").intValue + padding * 2; |
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int glyphHeight = glyphRectProperty.FindPropertyRelative("m_Height").intValue + padding * 2; |
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float normalizedHeight = fontAsset.faceInfo.ascentLine - fontAsset.faceInfo.descentLine; |
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float scale = glyphDrawPosition.width / normalizedHeight; |
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// Compute the normalized texture coordinates |
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Rect texCoords = new Rect((float)glyphOriginX / atlasTexture.width, (float)glyphOriginY / atlasTexture.height, (float)glyphWidth / atlasTexture.width, (float)glyphHeight / atlasTexture.height); |
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if (Event.current.type == EventType.Repaint) |
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{ |
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glyphDrawPosition.x += (glyphDrawPosition.width - glyphWidth * scale) / 2; |
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glyphDrawPosition.y += (glyphDrawPosition.height - glyphHeight * scale) / 2; |
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glyphDrawPosition.width = glyphWidth * scale; |
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glyphDrawPosition.height = glyphHeight * scale; |
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// Could switch to using the default material of the font asset which would require passing scale to the shader. |
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Graphics.DrawTexture(glyphDrawPosition, atlasTexture, texCoords, 0, 0, 0, 0, new Color(1f, 1f, 1f), mat); |
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} |
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} |
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} |
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}
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