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Implementación de la clase CapturaImagen, donde se toma una captura de pantalla de la imagen del escaneo, la cual se almacena en carpetas separadas por fecha.

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AngelJurado
2026-04-30 10:15:33 -06:00
parent 2e45a0562e
commit 490d76dbe3
6 changed files with 195 additions and 30 deletions
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126
ScanBox/CapturaImagen.cs Normal file
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@@ -0,0 +1,126 @@
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ScaBox30
{
public class CapturaImagen : IDisposable
{
private Bitmap screenshot;
/// <summary>
/// Captura una zona específica de la pantalla a partir de un PictureBox
/// </summary>
/// <param name="pictureBox">El PictureBox a capturar</param>
/// <param name="delayMs">Delay en milisegundos antes de capturar (por defecto 500ms)</param>
public Bitmap CapturarImg(PictureBox pictureBox, int delayMs = 500)
{
try
{
if (pictureBox == null)
{
MessageBox.Show("El PictureBox no puede ser nulo.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return null;
}
// Forzar que la UI se redibuje antes de capturar
pictureBox.Refresh();
Application.DoEvents();
// Esperar a que la imagen se actualice completamente
System.Threading.Thread.Sleep(delayMs);
// Obtener las coordenadas en pantalla del PictureBox
Point screenLocation = pictureBox.PointToScreen(Point.Empty);
int x = screenLocation.X;
int y = screenLocation.Y;
int width = pictureBox.Width;
int height = pictureBox.Height;
// Crear una imagen con el tamaño del PictureBox
screenshot = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(screenshot))
{
// Capturar la zona específica de la pantalla
g.CopyFromScreen(x, y, 0, 0, new Size(width, height));
}
return screenshot;
}
catch (Exception ex)
{
MessageBox.Show($"Error al capturar pantalla:\n{ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return null;
}
}
public void GuardarImg(string productNum, string operatorTag)
{
// Validar que la captura existe
if (screenshot == null)
{
MessageBox.Show("No hay captura de pantalla disponible. Realiza una captura primero.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
try
{
// Crear la carpeta de destino
string picturesPath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "BoxScaner");
string capturesFolder = Path.Combine(picturesPath, Globals.consecDate.ToString("yyyy-MM-dd"));
if (!Directory.Exists(capturesFolder))
{
Directory.CreateDirectory(capturesFolder);
}
// Generar nombre de archivo con timestamp y sanitizar caracteres inválidos
string timestamp = DateTime.Now.ToString("HH-mm-ss");
string safeProductNum = Path.GetInvalidFileNameChars().Aggregate(productNum, (current, c) => current.Replace(c.ToString(), ""));
string safeOperatorTag = Path.GetInvalidFileNameChars().Aggregate(operatorTag, (current, c) => current.Replace(c.ToString(), ""));
// Formato de fecha juliano: yyyyDDD
int julianDay = Globals.consecDate.DayOfYear;
string julianDate = $"{Globals.consecDate:yyyy}{julianDay:000}";
// Formato: CONSECUTIVO_yyyyDDD_TIMESTAMP_PRODUCTO_OPERADOR.png
string fileName = Path.Combine(capturesFolder,
$"{Globals.consec:D5}_{julianDate}_{timestamp}_{safeProductNum}_{safeOperatorTag}.png");
// Guardar la captura como PNG
screenshot.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
}
catch (UnauthorizedAccessException ex)
{
MessageBox.Show($"Acceso denegado al guardar imagen:\n{ex.Message}", "Error de permisos", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (IOException ex)
{
MessageBox.Show($"Error al guardar imagen:\n{ex.Message}", "Error de I/O", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception ex)
{
MessageBox.Show($"Error inesperado al guardar imagen:\n{ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Libera los recursos de la captura de pantalla
/// </summary>
public void Dispose()
{
if (screenshot != null)
{
screenshot.Dispose();
screenshot = null;
}
}
}
}

1
ScanBox/Controller/DbController.cs
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@@ -33,6 +33,7 @@ namespace ScaBox30.Controller
catch (Exception e)
{
Console.WriteLine(e);
System.Windows.Forms.MessageBox.Show("Error al conectar con la BD: " + e.Message);
}
}

23
ScanBox/Principal.Designer.cs generated
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@@ -66,6 +66,7 @@
this.sr2000w_ip_lbl = new System.Windows.Forms.Label();
this.version = new System.Windows.Forms.Label();
this.reader_connector = new System.Windows.Forms.Timer(this.components);
this.bttnQA = new System.Windows.Forms.Button();
this.panelTitleBar.SuspendLayout();
this.panelBody.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.blackimg_picbx)).BeginInit();
@@ -166,6 +167,7 @@
// panelBody
//
this.panelBody.BackColor = System.Drawing.Color.WhiteSmoke;
this.panelBody.Controls.Add(this.bttnQA);
this.panelBody.Controls.Add(this.labelRate);
this.panelBody.Controls.Add(this.btnConfiguración);
this.panelBody.Controls.Add(this.barcode_lbl);
@@ -274,7 +276,7 @@
this.btnBD.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(10)))), ((int)(((byte)(119)))), ((int)(((byte)(232)))));
this.btnBD.CausesValidation = false;
this.btnBD.ForeColor = System.Drawing.Color.White;
this.btnBD.Location = new System.Drawing.Point(1001, 609);
this.btnBD.Location = new System.Drawing.Point(956, 609);
this.btnBD.Name = "btnBD";
this.btnBD.Size = new System.Drawing.Size(44, 58);
this.btnBD.TabIndex = 107;
@@ -434,7 +436,7 @@
this.DataText.Multiline = true;
this.DataText.Name = "DataText";
this.DataText.ScrollBars = System.Windows.Forms.ScrollBars.Both;
this.DataText.Size = new System.Drawing.Size(983, 58);
this.DataText.Size = new System.Drawing.Size(938, 58);
this.DataText.TabIndex = 91;
//
// TgrBtn
@@ -531,7 +533,7 @@
this.version.Name = "version";
this.version.Size = new System.Drawing.Size(64, 21);
this.version.TabIndex = 87;
this.version.Text = "5.1";
this.version.Text = "5.0.2";
this.version.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// reader_connector
@@ -540,6 +542,20 @@
this.reader_connector.Interval = 5000;
this.reader_connector.Tick += new System.EventHandler(this.reader_connector_Tick);
//
// bttnQA
//
this.bttnQA.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.bttnQA.BackColor = System.Drawing.Color.Maroon;
this.bttnQA.CausesValidation = false;
this.bttnQA.ForeColor = System.Drawing.Color.White;
this.bttnQA.Location = new System.Drawing.Point(1003, 609);
this.bttnQA.Name = "bttnQA";
this.bttnQA.Size = new System.Drawing.Size(44, 58);
this.bttnQA.TabIndex = 114;
this.bttnQA.Text = "QA";
this.bttnQA.UseVisualStyleBackColor = false;
this.bttnQA.Click += new System.EventHandler(this.bttnQA_Click_1);
//
// Principal
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -605,5 +621,6 @@
private System.Windows.Forms.Button btnConfiguración;
private System.Windows.Forms.Label label9;
private System.Windows.Forms.Label labelRate;
private System.Windows.Forms.Button bttnQA;
}
}

20
ScanBox/Principal.cs
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@@ -13,6 +13,7 @@ using ScaBox30.Model;
using ScaBox30.Controller;
using System.Text.Json;
using System.Runtime.InteropServices;
using System.Reflection;
namespace ScaBox30
{
@@ -96,6 +97,9 @@ namespace ScaBox30
// Zebra printer variables
ZebraController ZT231 = new ZebraController("Etiqueta.prn");
// Screenshot capture variables
CapturaImagen capturaImagen = new CapturaImagen();
ErrorCode code_actual = ErrorCode.None;
@@ -579,6 +583,10 @@ namespace ScaBox30
this.BackColor = Color.Red;
DialogResult dialogResult = RJMessageBox.Show("Uno o m<>s codigos son incorrectos!", "ScanBox", MessageBoxButtons.OK, MessageBoxIcon.Error);
this.BackColor = SystemColors.Control;
// Capturar zona del PictureBox cuando hay errores para auditor<6F>a
capturaImagen.CapturarImg(blackimg_picbx);
capturaImagen.GuardarImg(barcode_lbl.Text + "_ERROR", operatorTag);
}
//If 1 or more codes are questionable (utr_count>0) the user has to decide if the results are added to the csv file
@@ -609,6 +617,10 @@ namespace ScaBox30
labelRate.Text = (time.TotalMilliseconds / 1000).ToString().Substring(0, 5) + " Seg.";
TgrBtn.Enabled = true;
save_data = true;
// Capturar zona del PictureBox despu<70>s del segundo escaneo exitoso
capturaImagen.CapturarImg(blackimg_picbx);
capturaImagen.GuardarImg(barcode_lbl.Text, operatorTag);
}
@@ -811,6 +823,7 @@ namespace ScaBox30
m_reader?.Dispose();
m_searcher?.Dispose();
liveviewForm1?.Dispose();
capturaImagen?.Dispose();
}
@@ -1296,6 +1309,13 @@ namespace ScaBox30
}
}
}
private void bttnQA_Click_1(object sender, EventArgs e)
{
}
}

1
ScanBox/ScanBox.csproj
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@@ -215,6 +215,7 @@
<Compile Include="Ayuda.Designer.cs">
<DependentUpon>Ayuda.cs</DependentUpon>
</Compile>
<Compile Include="CapturaImagen.cs" />
<Compile Include="ConfigTable.cs" />
<Compile Include="Controller\DbController.cs" />
<Compile Include="Controller\ZebraController.cs" />