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https://github.com/Leonmmcoset/CMLeonOS.git
synced 2026-04-21 19:24:00 +00:00
Paint增加保存，重写StartMenu的UI，修复部分渲染bug
This commit is contained in:
@@ -15,9 +15,13 @@
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using Cosmos.System;
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using Cosmos.System.Graphics;
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using CMLeonOS;
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using CMLeonOS.Gui.UILib;
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using CMLeonOS.Utils;
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using System;
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using System.Drawing;
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using System.IO;
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namespace CMLeonOS.Gui.Apps.Paint
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{
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@@ -30,14 +34,24 @@ namespace CMLeonOS.Gui.Apps.Paint
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AppWindow window;
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Window canvas;
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Button openButton;
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Button saveButton;
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Button saveAsButton;
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ToolBox toolBox;
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ColourPicker colourPicker;
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FileBrowser fileBrowser;
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WindowManager wm = ProcessManager.GetProcess<WindowManager>();
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private bool down = false;
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private const int sidePanelWidth = 128;
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private const int topBarHeight = 40;
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private const int topButtonWidth = 84;
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private const int topButtonHeight = 24;
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private const int topButtonGap = 8;
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private string currentFilePath = string.Empty;
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internal Color SelectedColor { get; set; } = Color.Black;
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@@ -54,6 +68,190 @@ namespace CMLeonOS.Gui.Apps.Paint
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down = true;
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}
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private void ShowMessage(string title, string text)
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{
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MessageBox messageBox = new MessageBox(this, title, text);
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messageBox.Show();
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}
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private void Relayout()
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{
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toolBox.MoveAndResize(0, 0, sidePanelWidth, window.Height);
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colourPicker.MoveAndResize(window.Width - sidePanelWidth, 0, sidePanelWidth, window.Height);
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int buttonsX = sidePanelWidth + 12;
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openButton.MoveAndResize(buttonsX, 8, topButtonWidth, topButtonHeight);
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saveButton.MoveAndResize(buttonsX + topButtonWidth + topButtonGap, 8, topButtonWidth, topButtonHeight);
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saveAsButton.MoveAndResize(buttonsX + (topButtonWidth + topButtonGap) * 2, 8, topButtonWidth, topButtonHeight);
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openButton.Render();
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saveButton.Render();
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saveAsButton.Render();
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int canvasX = sidePanelWidth + 12;
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int canvasY = topBarHeight + 8;
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int canvasWidth = window.Width - sidePanelWidth * 2 - 24;
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int canvasHeight = window.Height - canvasY - 12;
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canvas.MoveAndResize(canvasX, canvasY, canvasWidth, canvasHeight);
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if (canvasWidth > 0 && canvasHeight > 0)
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{
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canvas.DrawRectangle(0, 0, canvas.Width, canvas.Height, Color.Black);
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wm.Update(canvas);
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}
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}
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private void UpdateWindowTitle()
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{
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if (string.IsNullOrWhiteSpace(currentFilePath))
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{
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window.Title = "Paint";
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return;
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}
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window.Title = $"Paint - {Path.GetFileName(currentFilePath)}";
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}
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private byte[] BuildBmpBytes()
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{
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int width = canvas.Width;
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int height = canvas.Height;
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int bytesPerPixel = 4;
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int pixelDataSize = width * height * bytesPerPixel;
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int fileSize = 54 + pixelDataSize;
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byte[] bytes = new byte[fileSize];
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bytes[0] = (byte)'B';
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bytes[1] = (byte)'M';
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BitConverter.GetBytes(fileSize).CopyTo(bytes, 2);
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BitConverter.GetBytes(54).CopyTo(bytes, 10);
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BitConverter.GetBytes(40).CopyTo(bytes, 14);
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BitConverter.GetBytes(width).CopyTo(bytes, 18);
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BitConverter.GetBytes(height).CopyTo(bytes, 22);
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BitConverter.GetBytes((short)1).CopyTo(bytes, 26);
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BitConverter.GetBytes((short)32).CopyTo(bytes, 28);
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BitConverter.GetBytes(pixelDataSize).CopyTo(bytes, 34);
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int offset = 54;
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for (int y = height - 1; y >= 0; y--)
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{
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for (int x = 0; x < width; x++)
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{
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Color color = canvas.GetPixel(x, y);
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bytes[offset++] = color.B;
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bytes[offset++] = color.G;
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bytes[offset++] = color.R;
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bytes[offset++] = color.A;
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}
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}
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return bytes;
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}
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private void SaveCanvas(string path)
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{
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try
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{
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string sanitizedPath = PathUtil.Sanitize(path.Trim());
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if (!sanitizedPath.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase))
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{
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sanitizedPath += ".bmp";
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}
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string directory = Path.GetDirectoryName(sanitizedPath);
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if (!string.IsNullOrWhiteSpace(directory))
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{
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Directory.CreateDirectory(directory);
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}
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File.WriteAllBytes(sanitizedPath, BuildBmpBytes());
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currentFilePath = sanitizedPath;
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UpdateWindowTitle();
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ShowMessage("Paint", "Saved BMP successfully.");
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}
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catch (Exception ex)
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{
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ShowMessage("Paint", $"Save failed: {ex.Message}");
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}
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}
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private void OpenImage(string path)
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{
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try
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{
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string sanitizedPath = PathUtil.Sanitize(path.Trim());
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if (!File.Exists(sanitizedPath))
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{
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ShowMessage("Paint", "File not found.");
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return;
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}
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if (!sanitizedPath.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase))
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{
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ShowMessage("Paint", "Only BMP files are supported.");
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return;
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}
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Bitmap bitmap = new Bitmap(File.ReadAllBytes(sanitizedPath));
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canvas.Clear(Color.White);
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int drawWidth = Math.Min(canvas.Width, (int)bitmap.Width);
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int drawHeight = Math.Min(canvas.Height, (int)bitmap.Height);
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for (int y = 0; y < drawHeight; y++)
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{
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int rowOffset = y * (int)bitmap.Width;
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for (int x = 0; x < drawWidth; x++)
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{
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canvas.DrawPoint(x, y, Color.FromArgb(bitmap.RawData[rowOffset + x]));
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}
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}
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canvas.DrawRectangle(0, 0, canvas.Width, canvas.Height, Color.Black);
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wm.Update(canvas);
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currentFilePath = sanitizedPath;
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UpdateWindowTitle();
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}
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catch (Exception ex)
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{
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ShowMessage("Paint", $"Open failed: {ex.Message}");
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}
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}
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private void OpenClicked(int x, int y)
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{
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fileBrowser = new FileBrowser(this, wm, (string selectedPath) =>
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{
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if (!string.IsNullOrWhiteSpace(selectedPath))
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{
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OpenImage(selectedPath);
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}
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}, selectDirectoryOnly: false);
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fileBrowser.Show();
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}
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private void SaveAsClicked(int x, int y)
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{
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fileBrowser = new FileBrowser(this, wm, (string selectedPath) =>
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{
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if (!string.IsNullOrWhiteSpace(selectedPath))
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{
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SaveCanvas(selectedPath);
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}
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}, selectDirectoryOnly: true);
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fileBrowser.Show();
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}
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private void SaveClicked(int x, int y)
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{
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if (string.IsNullOrWhiteSpace(currentFilePath))
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{
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SaveAsClicked(x, y);
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return;
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}
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SaveCanvas(currentFilePath);
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}
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public override void Start()
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{
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base.Start();
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@@ -61,22 +259,39 @@ namespace CMLeonOS.Gui.Apps.Paint
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window.Title = "Paint";
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window.Icon = AppManager.GetAppMetadata("Paint").Icon;
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window.Closing = TryStop;
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window.UserResized = Relayout;
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window.Clear(Color.FromArgb(73, 73, 73));
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wm.AddWindow(window);
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int canvasWidth = 384;
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int canvasHeight = 256;
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canvas = new Window(this, (window.Width / 2) - (canvasWidth / 2), (window.Height / 2) - (canvasHeight / 2), canvasWidth, canvasHeight);
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canvas = new Window(this, 0, 0, 1, 1);
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canvas.RelativeTo = window;
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canvas.OnDown = CanvasDown;
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canvas.Clear(Color.White);
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wm.AddWindow(canvas);
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toolBox = new ToolBox(this, 0, 0, 128, window.Height);
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openButton = new Button(window, 0, 0, 1, 1);
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openButton.Text = "Open";
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openButton.OnClick = OpenClicked;
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wm.AddWindow(openButton);
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saveButton = new Button(window, 0, 0, 1, 1);
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saveButton.Text = "Save";
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saveButton.OnClick = SaveClicked;
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wm.AddWindow(saveButton);
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saveAsButton = new Button(window, 0, 0, 1, 1);
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saveAsButton.Text = "Save As";
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saveAsButton.OnClick = SaveAsClicked;
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wm.AddWindow(saveAsButton);
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toolBox = new ToolBox(this, 0, 0, sidePanelWidth, window.Height);
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toolBox.RelativeTo = window;
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colourPicker = new ColourPicker(this, window.Width - 128, 0, 128, window.Height);
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colourPicker = new ColourPicker(this, window.Width - sidePanelWidth, 0, sidePanelWidth, window.Height);
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colourPicker.RelativeTo = window;
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UpdateWindowTitle();
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Relayout();
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wm.Update(window);
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}
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@@ -195,14 +195,14 @@ namespace CMLeonOS.Gui.Apps
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appearance.DrawString("Wallpaper", Color.Gray, 12, 132);
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appearance.DrawString(GetWallpaperLabel(), Color.Black, 12, 152);
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appearance.DrawString("Choose a BMP file or restore the embedded default wallpaper.", Color.Gray, 12, 172);
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appearance.DrawString("Use a BMP file or restore the default wallpaper.", Color.Gray, 12, 170);
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Button chooseWallpaper = new Button(appearance, 12, 198, 132, 24);
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Button chooseWallpaper = new Button(appearance, 12, 192, 132, 24);
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chooseWallpaper.Text = "Choose BMP";
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chooseWallpaper.OnClick = (_, _) => OpenWallpaperBrowser();
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wm.AddWindow(chooseWallpaper);
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Button defaultWallpaper = new Button(appearance, 154, 198, 132, 24);
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Button defaultWallpaper = new Button(appearance, 154, 192, 132, 24);
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defaultWallpaper.Text = "Use Default";
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defaultWallpaper.OnClick = (_, _) => ApplyWallpaper(string.Empty);
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wm.AddWindow(defaultWallpaper);
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