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添加温差层绘制时按住Ctrl键绘制填充矩形功能

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zqm
2025-11-10 15:57:29 +08:00
parent 48e50f2b70
commit fbb65a8315
1 changed files with 71 additions and 3 deletions
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74
Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
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@@ -55,6 +55,8 @@ namespace JoyD.Windows.CS
private int _currentBrushSize = 1; // 默认画笔大小为1像素
// 温差图绘制相关变量
private Point _lastDrawPoint = Point.Empty; // 上一个绘制点的位置
private bool _isDrawingRectangle = false; // 是否正在绘制矩形
private Point _rectangleStartPoint = Point.Empty; // 矩形起始点
public Setting()
{
@@ -599,6 +601,22 @@ namespace JoyD.Windows.CS
// 退出温差图绘制状态，返回到就绪状态
ExitTempDiffDrawingMode();
}
// 温差图绘制模式下，按住Ctrl键并按下左键开始绘制矩形
else if (_isTempDiffDrawingMode && e.Button == MouseButtons.Left && (ModifierKeys & Keys.Control) == Keys.Control)
{
// 初始化温差层图像（如果不存在或尺寸不匹配）
if (_tempDiffOverlayImage == null ||
_tempDiffOverlayImage.Width != picBoxTemp.Image.Width ||
_tempDiffOverlayImage.Height != picBoxTemp.Image.Height)
{
InitializeTempDiffOverlayImage();
}
// 获取相对于图像的坐标作为矩形起始点
_rectangleStartPoint = ControlPointToImagePoint(e.Location);
_isDrawingRectangle = true;
return;
}
// 检查是否处于绘制状态且右击鼠标
else if (_isDrawingMode && e.Button == MouseButtons.Right)
{
@@ -1189,8 +1207,52 @@ namespace JoyD.Windows.CS
catch {}
}
// 如果按下鼠标左键，执行绘制操作
if (e.Button == MouseButtons.Left && picBoxTemp.Image != null)
// 处理矩形绘制（按住Ctrl键）
if (_isDrawingRectangle && e.Button == MouseButtons.Left && picBoxTemp.Image != null)
{
// 获取相对于图像的当前坐标
Point currentImagePoint = ControlPointToImagePoint(e.Location);
// 创建临时位图用于双重缓冲，避免闪烁
using (Bitmap tempBitmap = new Bitmap(_tempDiffOverlayImage))
{
using (Graphics g = Graphics.FromImage(tempBitmap))
{
g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
// 计算矩形参数
int x = Math.Min(_rectangleStartPoint.X, currentImagePoint.X);
int y = Math.Min(_rectangleStartPoint.Y, currentImagePoint.Y);
int width = Math.Abs(currentImagePoint.X - _rectangleStartPoint.X);
int height = Math.Abs(currentImagePoint.Y - _rectangleStartPoint.Y);
Rectangle rect = new Rectangle(x, y, width, height);
// 创建半透明的填充颜色
Color fillColor = Color.FromArgb(128, selectedColor);
// 绘制填充矩形
g.FillRectangle(new SolidBrush(fillColor), rect);
// 绘制矩形边框
using (Pen pen = new Pen(selectedColor, _currentBrushSize))
{
g.DrawRectangle(pen, rect);
}
}
// 将临时位图复制回温差层图像
using (Graphics g = Graphics.FromImage(_tempDiffOverlayImage))
{
g.DrawImage(tempBitmap, 0, 0);
}
}
// 触发重绘
picBoxTemp.Invalidate();
}
// 普通绘制操作（未按住Ctrl键）
else if (e.Button == MouseButtons.Left && !_isDrawingRectangle && picBoxTemp.Image != null)
{
// 初始化温差层图像（如果不存在或尺寸不匹配）
if (_tempDiffOverlayImage == null ||
@@ -1519,10 +1581,16 @@ namespace JoyD.Windows.CS
/// </summary>
private void PicBoxTemp_MouseUp(object sender, MouseEventArgs e)
{
// 在温差图绘制模式下，松开鼠标时重置上一个绘制点
// 在温差图绘制模式下，松开鼠标时重置绘制状态
if (_isTempDiffDrawingMode)
{
_lastDrawPoint = Point.Empty;
// 结束矩形绘制
if (_isDrawingRectangle)
{
_isDrawingRectangle = false;
_rectangleStartPoint = Point.Empty;
}
}
// 结束调整大小