完善预览图导出

SpineViewer/Dialogs/ExportPreviewDialog.Designer.cs

@@ -31,23 +31,18 @@
             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(ExportPreviewDialog));
             panel1 = new Panel();
             tableLayoutPanel1 = new TableLayoutPanel();
+            propertyGrid = new PropertyGrid();
             label4 = new Label();
             label1 = new Label();
-            label2 = new Label();
-            label3 = new Label();
             textBox_OutputDir = new TextBox();
             button_SelectOutputDir = new Button();
             tableLayoutPanel2 = new TableLayoutPanel();
             button_Ok = new Button();
             button_Cancel = new Button();
-            numericUpDown_Width = new NumericUpDown();
-            numericUpDown_Height = new NumericUpDown();
             folderBrowserDialog = new FolderBrowserDialog();
             panel1.SuspendLayout();
             tableLayoutPanel1.SuspendLayout();
             tableLayoutPanel2.SuspendLayout();
-            ((System.ComponentModel.ISupportInitialize)numericUpDown_Width).BeginInit();
-            ((System.ComponentModel.ISupportInitialize)numericUpDown_Height).BeginInit();
             SuspendLayout();
             // 
             // panel1
@@ -57,7 +52,7 @@
             panel1.Location = new Point(0, 0);
             panel1.Name = "panel1";
             panel1.Padding = new Padding(50, 15, 50, 10);
-            panel1.Size = new Size(919, 276);
+            panel1.Size = new Size(914, 482);
             panel1.TabIndex = 2;
             // 
             // tableLayoutPanel1
@@ -68,27 +63,34 @@
             tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
             tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 50F));
             tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle());
+            tableLayoutPanel1.Controls.Add(propertyGrid, 0, 2);
             tableLayoutPanel1.Controls.Add(label4, 0, 0);
             tableLayoutPanel1.Controls.Add(label1, 0, 1);
-            tableLayoutPanel1.Controls.Add(label2, 0, 2);
-            tableLayoutPanel1.Controls.Add(label3, 0, 3);
             tableLayoutPanel1.Controls.Add(textBox_OutputDir, 1, 1);
             tableLayoutPanel1.Controls.Add(button_SelectOutputDir, 3, 1);
-            tableLayoutPanel1.Controls.Add(tableLayoutPanel2, 0, 4);
+            tableLayoutPanel1.Controls.Add(tableLayoutPanel2, 0, 3);
-            tableLayoutPanel1.Controls.Add(numericUpDown_Width, 1, 2);
-            tableLayoutPanel1.Controls.Add(numericUpDown_Height, 1, 3);
             tableLayoutPanel1.Dock = DockStyle.Fill;
             tableLayoutPanel1.Location = new Point(50, 15);
             tableLayoutPanel1.Name = "tableLayoutPanel1";
-            tableLayoutPanel1.RowCount = 5;
+            tableLayoutPanel1.RowCount = 4;
             tableLayoutPanel1.RowStyles.Add(new RowStyle());
             tableLayoutPanel1.RowStyles.Add(new RowStyle());
+            tableLayoutPanel1.RowStyles.Add(new RowStyle(SizeType.Percent, 100F));
             tableLayoutPanel1.RowStyles.Add(new RowStyle());
-            tableLayoutPanel1.RowStyles.Add(new RowStyle());
+            tableLayoutPanel1.Size = new Size(814, 457);
-            tableLayoutPanel1.RowStyles.Add(new RowStyle());
-            tableLayoutPanel1.Size = new Size(819, 251);
             tableLayoutPanel1.TabIndex = 0;
             // 
+            // propertyGrid
+            // 
+            tableLayoutPanel1.SetColumnSpan(propertyGrid, 4);
+            propertyGrid.Dock = DockStyle.Fill;
+            propertyGrid.HelpVisible = false;
+            propertyGrid.Location = new Point(3, 97);
+            propertyGrid.Name = "propertyGrid";
+            propertyGrid.Size = new Size(808, 284);
+            propertyGrid.TabIndex = 1;
+            propertyGrid.ToolbarVisible = false;
+            // 
             // label4
             // 
             label4.AutoSize = true;
@@ -97,9 +99,9 @@
             label4.Location = new Point(15, 15);
             label4.Margin = new Padding(15);
             label4.Name = "label4";
-            label4.Size = new Size(789, 24);
+            label4.Size = new Size(784, 24);
             label4.TabIndex = 11;
-            label4.Text = "说明：导出的文件名与骨骼文件名相同";
+            label4.Text = "说明：输出文件夹为可选项，留空则将预览图输出到每个骨骼文件所在目录";
             label4.TextAlign = ContentAlignment.MiddleCenter;
             // 
             // label1
@@ -112,40 +114,20 @@
             label1.TabIndex = 0;
             label1.Text = "输出文件夹:";
             // 
-            // label2
-            // 
-            label2.Anchor = AnchorStyles.Right;
-            label2.AutoSize = true;
-            label2.Location = new Point(75, 100);
-            label2.Name = "label2";
-            label2.Size = new Size(32, 24);
-            label2.TabIndex = 1;
-            label2.Text = "宽:";
-            // 
-            // label3
-            // 
-            label3.Anchor = AnchorStyles.Right;
-            label3.AutoSize = true;
-            label3.Location = new Point(75, 136);
-            label3.Name = "label3";
-            label3.Size = new Size(32, 24);
-            label3.TabIndex = 2;
-            label3.Text = "高:";
-            // 
             // textBox_OutputDir
             // 
             tableLayoutPanel1.SetColumnSpan(textBox_OutputDir, 2);
             textBox_OutputDir.Dock = DockStyle.Fill;
             textBox_OutputDir.Location = new Point(113, 57);
             textBox_OutputDir.Name = "textBox_OutputDir";
-            textBox_OutputDir.Size = new Size(664, 30);
+            textBox_OutputDir.Size = new Size(660, 30);
             textBox_OutputDir.TabIndex = 3;
             // 
             // button_SelectOutputDir
             // 
             button_SelectOutputDir.AutoSize = true;
             button_SelectOutputDir.AutoSizeMode = AutoSizeMode.GrowAndShrink;
-            button_SelectOutputDir.Location = new Point(783, 57);
+            button_SelectOutputDir.Location = new Point(779, 57);
             button_SelectOutputDir.Name = "button_SelectOutputDir";
             button_SelectOutputDir.Size = new Size(32, 34);
             button_SelectOutputDir.TabIndex = 5;
@@ -164,17 +146,18 @@
             tableLayoutPanel2.Controls.Add(button_Ok, 0, 0);
             tableLayoutPanel2.Controls.Add(button_Cancel, 1, 0);
             tableLayoutPanel2.Dock = DockStyle.Bottom;
-            tableLayoutPanel2.Location = new Point(3, 208);
+            tableLayoutPanel2.Location = new Point(3, 414);
+            tableLayoutPanel2.Margin = new Padding(3, 30, 3, 3);
             tableLayoutPanel2.Name = "tableLayoutPanel2";
             tableLayoutPanel2.RowCount = 1;
             tableLayoutPanel2.RowStyles.Add(new RowStyle());
-            tableLayoutPanel2.Size = new Size(813, 40);
+            tableLayoutPanel2.Size = new Size(808, 40);
             tableLayoutPanel2.TabIndex = 10;
             // 
             // button_Ok
             // 
             button_Ok.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
-            button_Ok.Location = new Point(264, 3);
+            button_Ok.Location = new Point(262, 3);
             button_Ok.Margin = new Padding(3, 3, 30, 3);
             button_Ok.Name = "button_Ok";
             button_Ok.Size = new Size(112, 34);
@@ -186,7 +169,7 @@
             // button_Cancel
             // 
             button_Cancel.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
-            button_Cancel.Location = new Point(436, 3);
+            button_Cancel.Location = new Point(434, 3);
             button_Cancel.Margin = new Padding(30, 3, 3, 3);
             button_Cancel.Name = "button_Cancel";
             button_Cancel.Size = new Size(112, 34);
@@ -195,30 +178,6 @@
             button_Cancel.UseVisualStyleBackColor = true;
             button_Cancel.Click += button_Cancel_Click;
             // 
-            // numericUpDown_Width
-            // 
-            numericUpDown_Width.Anchor = AnchorStyles.Left;
-            numericUpDown_Width.Location = new Point(113, 97);
-            numericUpDown_Width.Maximum = new decimal(new int[] { 4096, 0, 0, 0 });
-            numericUpDown_Width.Minimum = new decimal(new int[] { 32, 0, 0, 0 });
-            numericUpDown_Width.Name = "numericUpDown_Width";
-            numericUpDown_Width.Size = new Size(180, 30);
-            numericUpDown_Width.TabIndex = 12;
-            numericUpDown_Width.TextAlign = HorizontalAlignment.Right;
-            numericUpDown_Width.Value = new decimal(new int[] { 256, 0, 0, 0 });
-            // 
-            // numericUpDown_Height
-            // 
-            numericUpDown_Height.Anchor = AnchorStyles.Left;
-            numericUpDown_Height.Location = new Point(113, 133);
-            numericUpDown_Height.Maximum = new decimal(new int[] { 4096, 0, 0, 0 });
-            numericUpDown_Height.Minimum = new decimal(new int[] { 32, 0, 0, 0 });
-            numericUpDown_Height.Name = "numericUpDown_Height";
-            numericUpDown_Height.Size = new Size(180, 30);
-            numericUpDown_Height.TabIndex = 13;
-            numericUpDown_Height.TextAlign = HorizontalAlignment.Right;
-            numericUpDown_Height.Value = new decimal(new int[] { 256, 0, 0, 0 });
-            // 
             // folderBrowserDialog
             // 
             folderBrowserDialog.AddToRecent = false;
@@ -229,7 +188,7 @@
             AutoScaleDimensions = new SizeF(11F, 24F);
             AutoScaleMode = AutoScaleMode.Font;
             CancelButton = button_Cancel;
-            ClientSize = new Size(919, 276);
+            ClientSize = new Size(914, 482);
             Controls.Add(panel1);
             FormBorderStyle = FormBorderStyle.FixedDialog;
             Icon = (Icon)resources.GetObject("$this.Icon");
@@ -239,14 +198,11 @@
             ShowInTaskbar = false;
             StartPosition = FormStartPosition.CenterScreen;
             Text = "导出预览图";
-            Load += ExportPreviewDialog_Load;
             panel1.ResumeLayout(false);
             panel1.PerformLayout();
             tableLayoutPanel1.ResumeLayout(false);
             tableLayoutPanel1.PerformLayout();
             tableLayoutPanel2.ResumeLayout(false);
-            ((System.ComponentModel.ISupportInitialize)numericUpDown_Width).EndInit();
-            ((System.ComponentModel.ISupportInitialize)numericUpDown_Height).EndInit();
             ResumeLayout(false);
         }
 
@@ -256,15 +212,12 @@
         private TableLayoutPanel tableLayoutPanel1;
         private Label label4;
         private Label label1;
-        private Label label2;
-        private Label label3;
         private TextBox textBox_OutputDir;
         private Button button_SelectOutputDir;
         private TableLayoutPanel tableLayoutPanel2;
         private Button button_Ok;
         private Button button_Cancel;
-        private NumericUpDown numericUpDown_Width;
-        private NumericUpDown numericUpDown_Height;
         private FolderBrowserDialog folderBrowserDialog;
+        private PropertyGrid propertyGrid;
     }
 }

SpineViewer/Dialogs/ExportPreviewDialog.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
+using System.Drawing.Imaging;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -12,33 +13,34 @@ namespace SpineViewer.Dialogs
 {
     public partial class ExportPreviewDialog: Form
     {
-        // TODO: 用单独的结果包装类
+        /// <summary>
-        public string OutputDir { get; private set; }
+        /// 对话框结果
-        public uint PreviewWidth { get; private set; }
+        /// </summary>
-        public uint PreviewHeight { get; private set; }
+        public readonly ExportPreviewDialogResult Result = new();
 
         public ExportPreviewDialog()
         {
             InitializeComponent();
-        }
+            propertyGrid.SelectedObject = Result;
-
-        private void ExportPreviewDialog_Load(object sender, EventArgs e)
-        {
-            button_SelectOutputDir_Click(sender, e);
         }
 
         private void button_SelectOutputDir_Click(object sender, EventArgs e)
         {
             folderBrowserDialog.InitialDirectory = textBox_OutputDir.Text;
-            if (folderBrowserDialog.ShowDialog() == DialogResult.OK)
+            if (folderBrowserDialog.ShowDialog() != DialogResult.OK)
-            {
+                return;
             textBox_OutputDir.Text = Path.GetFullPath(folderBrowserDialog.SelectedPath);
         }
-        }
 
         private void button_Ok_Click(object sender, EventArgs e)
         {
             var outputDir = textBox_OutputDir.Text;
+            if (string.IsNullOrEmpty(outputDir))
+            {
+                Result.OutputDir = null;
+            }
+            else
+            {
                 if (File.Exists(outputDir))
                 {
                     MessageBox.Info("输出文件夹无效");
@@ -61,10 +63,8 @@ namespace SpineViewer.Dialogs
                         return;
                     }
                 }
-
+                Result.OutputDir = Path.GetFullPath(outputDir);
-            OutputDir = Path.GetFullPath(outputDir);
+            }
-            PreviewWidth = (uint)numericUpDown_Width.Value;
-            PreviewHeight = (uint)numericUpDown_Height.Value;
 
             DialogResult = DialogResult.OK;
         }
@@ -74,4 +74,83 @@ namespace SpineViewer.Dialogs
             DialogResult = DialogResult.Cancel;
         }
     }
+
+    public class ExportPreviewDialogResult
+    {
+        /// <summary>
+        /// 输出路径
+        /// </summary>
+        [Browsable(false)]
+        public string? OutputDir { get; set; } = null;
+
+        /// <summary>
+        /// 预览图格式
+        /// </summary>
+        [TypeConverter(typeof(ImageFormatConverter))]
+        [Category("导出参数"), DisplayName("预览图格式")]
+        public ImageFormat ImageFormat
+        {
+            get => imageFormat;
+            set
+            {
+                if (value == ImageFormat.MemoryBmp) value = ImageFormat.Bmp;
+                imageFormat = value;
+            }
+        }
+        private ImageFormat imageFormat = ImageFormat.Png;
+
+        /// <summary>
+        /// 预览图分辨率
+        /// </summary>
+        [TypeConverter(typeof(SizeConverter))]
+        [Category("导出参数"), DisplayName("分辨率")]
+        public Size Resolution
+        {
+            get => resolution;
+            set
+            {
+                if (value.Width <= 0) value.Width = 128;
+                if (value.Height <= 0) value.Height = 128;
+                resolution = value;
+            }
+        }
+        private Size resolution = new(512, 512);
+
+        /// <summary>
+        /// 四周填充像素值
+        /// </summary>
+        [TypeConverter(typeof(PaddingConverter))]
+        [Category("导出参数"), DisplayName("四周填充像素值")]
+        public Padding Padding
+        {
+            get => padding;
+            set
+            {
+                if (value.Left <= 0) value.Left = 10;
+                if (value.Right <= 0) value.Right = 10;
+                if (value.Top <= 0) value.Top = 10;
+                if (value.Bottom <= 0) value.Bottom = 10;
+                padding = value;
+            }
+        }
+        private Padding padding = new(1);
+
+        /// <summary>
+        /// DPI
+        /// </summary>
+        [TypeConverter(typeof(SizeFConverter))]
+        [Category("导出参数"), DisplayName("DPI")]
+        public SizeF DPI
+        {
+            get => dpi;
+            set
+            {
+                if (value.Width <= 0) value.Width = 144;
+                if (value.Height <= 0) value.Height = 144;
+                dpi = value;
+            }
+        }
+        private SizeF dpi = new(144, 144);
+    }
+
 }

SpineViewer/ExportHelper.cs

@@ -0,0 +1,64 @@
+using FFMpegCore.Pipes;
+using System;
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;
+
+namespace SpineViewer
+{
+    /// <summary>
+    /// SFML.Graphics.Image 帧对象包装类
+    /// </summary>
+    public class SFMLImageVideoFrame(SFML.Graphics.Image image) : IVideoFrame, IDisposable
+    {
+        public int Width => (int)image.Size.X;
+        public int Height => (int)image.Size.Y;
+        public string Format => "rgba";
+        public void Serialize(Stream pipe) => pipe.Write(image.Pixels);
+        public async Task SerializeAsync(Stream pipe, CancellationToken token) => await pipe.WriteAsync(image.Pixels, token);
+        public void Dispose() => image.Dispose();
+
+        /// <summary>
+        /// Save the contents of the image to a file
+        /// </summary>
+        /// <param name="filename">Path of the file to save (overwritten if already exist)</param>
+        /// <returns>True if saving was successful</returns>
+        public bool SaveToFile(string filename) => image.SaveToFile(filename);
+
+        /// <summary>
+        /// Save the image to a buffer in memory The format of the image must be specified.
+        /// The supported image formats are bmp, png, tga and jpg. This function fails if
+        /// the image is empty, or if the format was invalid.
+        /// </summary>
+        /// <param name="output">Byte array filled with encoded data</param>
+        /// <param name="format">Encoding format to use</param>
+        /// <returns>True if saving was successful</returns>
+        public bool SaveToMemory(out byte[] output, string format) => image.SaveToMemory(out output, format);
+    }
+
+    /// <summary>
+    /// 为帧导出创建的辅助类
+    /// </summary>
+    public static class ExportHelper
+    {
+        public static Bitmap CopyToBitmap(this SFML.Graphics.Texture tex)
+        {
+            using var img = tex.CopyToImage();
+            img.SaveToMemory(out var imgBuffer, "bmp");
+            using var stream = new MemoryStream(imgBuffer);
+            return new Bitmap(stream);
+        }
+
+        public static SFMLImageVideoFrame CopyToFrame(this SFML.Graphics.Texture tex) => new(tex.CopyToImage());
+
+        public static string GetSuffix(this ImageFormat imageFormat)
+        {
+            if (imageFormat == ImageFormat.Icon) return ".ico";
+            else if (imageFormat == ImageFormat.Exif) return ".jpg";
+            else return $".{imageFormat.ToString().ToLower()}";
+        }
+    }
+}

SpineViewer/MainForm.cs

@@ -106,7 +106,7 @@ namespace SpineViewer
 
             var progressDialog = new Dialogs.ProgressDialog();
             progressDialog.DoWork += ExportPreview_Work;
-            progressDialog.RunWorkerAsync(saveDialog);
+            progressDialog.RunWorkerAsync(saveDialog.Result);
             progressDialog.ShowDialog();
         }
 
@@ -294,17 +294,15 @@ namespace SpineViewer
         private void ExportPreview_Work(object? sender, DoWorkEventArgs e)
         {
             var worker = sender as BackgroundWorker;
-            var arguments = e.Argument as Dialogs.ExportPreviewDialog;
+            var arguments = e.Argument as Dialogs.ExportPreviewDialogResult;
-            var outputDir = arguments.OutputDir;
-            var width = arguments.PreviewWidth;
-            var height = arguments.PreviewHeight;
-            // TODO: 增加填充参数
-            var paddingL = 1u;
-            var paddingR = 1u;
-            var paddingT = 1u;
-            var paddingB = 1u;
 
-            var tex = new SFML.Graphics.RenderTexture(width, height);
+            var outputDir = arguments.OutputDir;
+            var imageFormat = arguments.ImageFormat;
+            var resolution = arguments.Resolution;
+            var padding = arguments.Padding;
+            var dpi = arguments.DPI;
+
+            var tex = new SFML.Graphics.RenderTexture((uint)resolution.Width, (uint)resolution.Height);
 
             int success = 0;
             int error = 0;
@@ -323,18 +321,23 @@ namespace SpineViewer
                     }
 
                     var spine = spines[i];
+                    var filename = $"(preview) {spine.Name}{imageFormat.GetSuffix()}"; // 加上 preview 是为了防止覆盖同名的 png 文件
+                    var savePath = outputDir is null ? Path.Combine(spine.AssetsDir, filename) : Path.Combine(outputDir, filename);
+
                     var tmp = spine.CurrentAnimation;
                     spine.CurrentAnimation = Spine.Spine.EMPTY_ANIMATION;
-                    tex.SetView(spine.GetInitView(width, height, paddingL, paddingR, paddingT, paddingB)); 
+                    tex.SetView(spine.GetInitView(resolution, padding)); 
                     tex.Clear(SFML.Graphics.Color.Transparent);
                     tex.Draw(spine);
                     tex.Display();
                     spine.CurrentAnimation = tmp;
+
                     try
                     {
-                        using (var img = tex.Texture.CopyToImage())
+                        using (var img = new Bitmap(tex.Texture.CopyToBitmap()))
                         {
-                            img.SaveToFile(Path.Combine(outputDir, $"{spine.Name}.png"));
+                            img.SetResolution(dpi.Width, dpi.Height);
+                            img.Save(savePath, imageFormat);
                         }
                         success++;
                     }