123 lines
5.6 KiB
C#
123 lines
5.6 KiB
C#
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(Glyph))]
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public class TMP_GlyphPropertyDrawer : PropertyDrawer
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{
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private string k_ColorProperty = "_Color";
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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SerializedProperty prop_GlyphIndex = property.FindPropertyRelative("m_Index");
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SerializedProperty prop_GlyphMetrics = property.FindPropertyRelative("m_Metrics");
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SerializedProperty prop_GlyphRect = property.FindPropertyRelative("m_GlyphRect");
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SerializedProperty prop_Scale = property.FindPropertyRelative("m_Scale");
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SerializedProperty prop_AtlasIndex = property.FindPropertyRelative("m_AtlasIndex");
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GUIStyle style = new GUIStyle(EditorStyles.label);
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style.richText = true;
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Rect rect = new Rect(position.x + 70, position.y, position.width, 49);
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float labelWidth = GUI.skin.label.CalcSize(new GUIContent("ID: " + prop_GlyphIndex.intValue)).x;
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EditorGUI.LabelField(new Rect(position.x + (64 - labelWidth) / 2, position.y + 85, 64f, 18f), new GUIContent("ID: <color=#FFFF80>" + prop_GlyphIndex.intValue + "</color>"), style);
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//EditorGUIUtility.labelWidth = 22f;
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//EditorGUI.DelayedIntField(new Rect(position.x + (64 - labelWidth) / 2, position.y + 89, 58f, 18f), prop_GlyphIndex, new GUIContent("ID:"));
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// We get Rect since a valid position may not be provided by the caller.
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EditorGUI.PropertyField(new Rect(rect.x, rect.y, position.width, 49), prop_GlyphRect);
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rect.y += 45;
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EditorGUI.PropertyField(rect, prop_GlyphMetrics);
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EditorGUIUtility.labelWidth = 40f;
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EditorGUI.PropertyField(new Rect(rect.x, rect.y + 65, 75, 18), prop_Scale, new GUIContent("Scale:")); // new GUIContent("Scale: <color=#FFFF80>" + prop_Scale.floatValue + "</color>"), style);
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EditorGUIUtility.labelWidth = 74f;
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EditorGUI.PropertyField(new Rect(rect.x + 85, rect.y + 65, 95, 18), prop_AtlasIndex, new GUIContent("Atlas Index:")); // new GUIContent("Atlas Index: <color=#FFFF80>" + prop_AtlasIndex.intValue + "</color>"), style);
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DrawGlyph(position, property);
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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 130f;
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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 sprite 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 reference to atlas texture.
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int atlasIndex = property.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 from atlas texture.
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Rect glyphDrawPosition = new Rect(position.x, position.y + 2, 64, 80);
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SerializedProperty glyphRectProperty = property.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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