Unity实战篇：使用图片制作自己的艺术字

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Unity实战篇：使用图片制作自己的艺术字

2024-07-16 06:07| 来源: 网络整理| 查看: 265

本篇博客我将和大家一起从零开始根据图片制作自己的艺术字（不包括汉字）

准备工作：

BMFront http://www.angelcode.com/products/bmfont/编写艺术字体生成工具 //------------------------------------------------------------ // Author: 烟雨迷离半世殇 // Mail: [email protected] // Data: 2019年4月23日 21:24:10 //------------------------------------------------------------ using UnityEngine; using UnityEditor; using System.Collections.Generic; using System.IO; using Path = PF.Path; namespace ETEditor { public class BMFontEditor: EditorWindow { public TextAsset fontPosTbl; public Texture fontTexture; public Vector2 scrollPos; struct ChrRect { public int id; public int x; public int y; public int w; public int h; public int xofs; public int yofs; public int index; public float uvX; public float uvY; public float uvW; public float uvH; public float vertX; public float vertY; public float vertW; public float vertH; public float width; } // add menu [MenuItem("Tools/自定义字体生成工具")] static void Init() { EditorWindow.GetWindow(typeof (BMFontEditor)); } // layout window void OnGUI() { EditorGUILayout.BeginVertical(); EditorGUILayout.LabelField("图集导出文件部分（如果字体相关资源已经准备完毕，请忽略这一部分）", EditorStyles.label); if (GUILayout.Button("在Project视图选中要导出文件的图集，然后点击此按钮")) { this.ProcessToSprite(); } EditorGUILayout.Space(); EditorGUILayout.Space(); EditorGUILayout.Space(); EditorGUILayout.LabelField("正式生成艺术字部分", EditorStyles.label); fontTexture = (Texture) EditorGUILayout.ObjectField("选择BMFont生成的png文件", fontTexture, typeof (Texture), false); EditorGUILayout.Space(); EditorGUILayout.LabelField("选择BMFont生成的fnt文件", EditorStyles.label); fontPosTbl = (TextAsset) EditorGUILayout.ObjectField(" ", fontPosTbl, typeof (TextAsset), false); if (GUILayout.Button("开始生成字体")) { if (fontTexture == null) this.ShowNotification(new GUIContent("No Font Texture selected")); else if (fontPosTbl == null) this.ShowNotification(new GUIContent("No Font Position Table file selected")); else { CalcChrRect(fontPosTbl, fontTexture); } } EditorGUILayout.EndVertical(); } private void ProcessToSprite() { Texture2D image = Selection.activeObject as Texture2D;//获取选择的对象 string rootPath = System.IO.Path.GetDirectoryName(AssetDatabase.GetAssetPath(image));//获取路径名称 string path = rootPath + "/" + image.name + ".PNG";//图片路径名称 TextureImporter texImp = AssetImporter.GetAtPath(path) as TextureImporter;//获取图片入口 AssetDatabase.CreateFolder(rootPath, image.name);//创建文件夹 foreach (SpriteMetaData metaData in texImp.spritesheet)//遍历小图集 { Texture2D myimage = new Texture2D((int)metaData.rect.width, (int)metaData.rect.height); for (int y = (int)metaData.rect.y; y < metaData.rect.y + metaData.rect.height; y++)//Y轴像素 { for (int x = (int)metaData.rect.x; x < metaData.rect.x + metaData.rect.width; x++) myimage.SetPixel(x - (int)metaData.rect.x, y - (int)metaData.rect.y, image.GetPixel(x, y)); } if(myimage.format != TextureFormat.ARGB32 && myimage.format != TextureFormat.RGB24){ Texture2D newTexture = new Texture2D(myimage.width, myimage.height); newTexture.SetPixels(myimage.GetPixels(0),0); myimage = newTexture; } var pngData = myimage.EncodeToPNG(); File.WriteAllBytes(rootPath + "/" + image.name + "/" + metaData.name + ".PNG", pngData); // 刷新资源窗口界面 AssetDatabase.Refresh(); } } void OnInspectorUpdate() { this.Repaint(); } void CalcChrRect(TextAsset posTbl, Texture tex) { string fileName = AssetDatabase.GetAssetPath(fontPosTbl); string texName = AssetDatabase.GetAssetPath(tex); string fontName = System.IO.Path.GetFileNameWithoutExtension(fileName); string fontPath = fileName.Replace(".fnt", ".fontsettings"); string matPath = fileName.Replace(".fnt", ".mat"); float imgw = tex.width; float imgh = tex.height; string txt = posTbl.text; List tblList = new List(); foreach (string line in txt.Split('\n')) { if (line.IndexOf("char id=") == 0) { ChrRect d = GetChrRect(line, imgw, imgh); tblList.Add(d); } } if (tblList.Count == 0) { new GUIContent("Failed"); return; } ChrRect[] tbls = tblList.ToArray(); Font font = new Font(); font.name = fontName; SetCharacterInfo(tbls, font); Material mat = new Material(Shader.Find("UI/Default")); mat.mainTexture = tex; mat.name = fontName; font.material = mat; Debug.Log(System.IO.Path.GetFileNameWithoutExtension(fileName)); Debug.Log(fileName); AssetDatabase.CreateAsset(mat, matPath); AssetDatabase.CreateAsset(font, fontPath); AssetDatabase.SaveAssets(); this.ShowNotification(new GUIContent("Complete")); AssetDatabase.Refresh(ImportAssetOptions.ForceUpdate); } // over write custom font by new CharacterInfo void SetCharacterInfo(ChrRect[] tbls, Font fontObj) { CharacterInfo[] nci = new CharacterInfo[tbls.Length]; for (int i = 0; i < tbls.Length; i++) { nci[i].index = tbls[i].index; nci[i].advance = (int) tbls[i].width; nci[i].uv.x = tbls[i].uvX; nci[i].uv.y = tbls[i].uvY; nci[i].uv.width = tbls[i].uvW; nci[i].uv.height = tbls[i].uvH; nci[i].vert.x = tbls[i].vertX; nci[i].vert.y = tbls[i].vertY; nci[i].vert.width = tbls[i].vertW; nci[i].vert.height = tbls[i].vertH; } fontObj.characterInfo = nci; } // get font table one line. 重点在这 ChrRect GetChrRect(string line, float imgw, float imgh) { ChrRect d = new ChrRect(); foreach (string s in line.Split(' ')) { if (s.IndexOf("id=") >= 0) d.id = GetParamInt(s, "id="); else if (s.IndexOf("x=") >= 0) d.x = GetParamInt(s, "x="); else if (s.IndexOf("y=") >= 0) d.y = GetParamInt(s, "y="); else if (s.IndexOf("width=") >= 0) d.w = GetParamInt(s, "width="); else if (s.IndexOf("height=") >= 0) d.h = GetParamInt(s, "height="); else if (s.IndexOf("xoffset=") >= 0) d.xofs = GetParamInt(s, "xoffset="); else if (s.IndexOf("yoffset=") >= 0) d.yofs = GetParamInt(s, "yoffset="); else if (s.IndexOf("xadvance=") >= 0) d.width = GetParamInt(s, "xadvance="); } d.index = d.id; d.uvX = d.x / imgw; d.uvY = (imgh - (d.y)) / imgh; d.uvW = d.w / imgw; d.uvH = -d.h / imgh; d.uvH = d.h / imgh; d.vertX = d.xofs; d.vertY = -d.yofs; d.vertW = d.w; d.vertH = d.h; return d; } int GetParamInt(string s, string wd) { if (s.IndexOf(wd) >= 0) { int v; if (int.TryParse(s.Substring(wd.Length), out v)) return v; } return int.MaxValue; } } } 正式开始

选择要制作字体的图片，并分割好sprites