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Add a 'Stamp' widget.

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Place one or multiple stamps on scanned pages in defined locations.

A stamp is understood here as
 - a transparent text in a transparent frame with no borders
 - an opaque text on an opaque background with no borders.

Stamp parameters:
 - text
 - font
 - foreground colour
 - background colour
 - angle of rotation
 - transparency.

Locations:
 - centre
 - cardinal directions
 - inter-cardinal directions.
This commit is contained in:
Saleem Edah-Tally
2025-07-01 22:38:07 +02:00
parent c2c792dd3d
commit a2045aa1f6
38 changed files with 3376 additions and 71 deletions
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91
Resources/InsaneWidget/XInsaneWidget.cpp
View File

@@ -12,7 +12,10 @@
#include <MiscTools.h>
#include "PixelToImageWriter.h"
#include "PixelToPdfWriter.h"
#include <Common.h>
#include <DefsInsaneWidget.h>
#include <DefsStampWidget.h>
#include <XStampWidget.h>
#include <StampWorker.h>
using namespace std;
@@ -46,13 +49,16 @@ public:
{
}
/*
* mode, outputType, adf, doubleSided, total, PaperSize:
* mode, resolution, outputType, adf, doubleSided, total, PaperSize:
* These are not updated here if there are pending jobs.
* However,
* deviceId, source, sourceIndex, mode, resolution, paperSize
* can be changed if there are pending jobs in ConfigureDevice() since it is
* called before these setters. They won't change on their own but by user
* interaction.
* The 'resolution' variable is used downstream to distinguish between v4l
* and real scanners. v4l devices do not have a source and a resolution
* tunables.
*/
void SetMode(const string& mode)
{
@@ -60,6 +66,12 @@ public:
return;
m_mode = mode;
}
void SetResolution(int resolution)
{
if (m_pixelFiles.size())
return;
m_resolution = resolution;
}
void SetOutputType(int outputType)
{
if (m_pixelFiles.size())
@@ -101,6 +113,10 @@ public:
return;
m_paperSize = paperSize;
}
void SetStampDescriptors(vector<StampDescriptor*> * descriptors)
{
m_stampDescriptors = descriptors;
}
std::pair<int, int> GetStartAndIncrement(InsaneWorker * insaneWorker)
{
wxASSERT_MSG(insaneWorker != nullptr, "insaneWorker is NULL.");
@@ -162,11 +178,12 @@ public:
m_sb->SetStatusText(msg);
};
if (m_outputType != PDF)
{
// Convert pixel file to PNG using netpbm.
if (!PixelToImageWriter::Convert(filePath, imageAttributes.width, imageAttributes.height, m_outputType))
if (!PixelToImageWriter::Convert(filePath, imageAttributes.width, imageAttributes.height,
m_stampDescriptors, m_outputType))
{
const wxString msg = _("Failed to create output image.");
cerr << msg << endl;
@@ -191,7 +208,8 @@ public:
cerr << msg << endl;
pageSize = PoDoFo::PdfPageSize::A4;
}
if (!m_pixelToPdfWriter->AddPageAt(filePath, imageAttributes.width, imageAttributes.height, index, pageSize))
if (!m_pixelToPdfWriter->AddPageAt(filePath, imageAttributes.width, imageAttributes.height, index,
m_stampDescriptors, pageSize))
{
const wxString msg = _("Failed to add page to PDF document.");
cerr << msg << endl;
@@ -241,6 +259,17 @@ public:
}
}
}
void OnStartScanSession(uint pageIndex, const ImageAttributes& imageAttributes) override
{
if (!m_stampDescriptors)
return;
for (StampDescriptor * descriptor : *m_stampDescriptors)
{
if (descriptor->text.IsEmpty())
continue;
descriptor->image = StampWorker::CreateStamp(descriptor, m_resolution);
}
}
void Reset()
{
// Don't reset calculated variables that depend on widgets.
@@ -255,7 +284,9 @@ private:
wxWeakRef<TimeredStatusBar> m_sb = nullptr;
std::unique_ptr<PixelToPdfWriter> m_pixelToPdfWriter;
PixelFilesMap m_pixelFiles;
vector<StampDescriptor*> * m_stampDescriptors = nullptr;
string m_mode = "Color";
int m_resolution = -1;
uint m_outputType = PDF;
wxString m_paperSize = _T("A4");
bool m_adf = false;
@@ -268,12 +299,20 @@ private:
};
// ----------------------------------------------------------------------------
IMPLEMENT_CLASS( XInsaneWidget, InsaneWidget )
XInsaneWidget::XInsaneWidget(wxWindow* parent, TimeredStatusBar * sb, wxConfig * config, wxWindowID id, const wxPoint& pos, const wxSize& size, long style)
: InsaneWidget(parent, id, pos, size, style)
{
UpdateExtensionsMap();
m_config = config;
m_sb = sb;
}
XInsaneWidget::~XInsaneWidget() = default; // Important for mixing unique_ptr and PIMPL.
void XInsaneWidget::Setup()
{
lblNewDoc->Bind ( wxEVT_RIGHT_UP, &XInsaneWidget::OnLblNewDocRightClick, this );
txtNewDoc->Bind ( wxEVT_KEY_UP, &XInsaneWidget::OnTxtNewDocKeyPressed, this );
@@ -283,7 +322,7 @@ XInsaneWidget::XInsaneWidget(wxWindow* parent, TimeredStatusBar * sb, wxConfig *
m_insaneWorker = std::make_unique<InsaneWorker>(m_scanProject.get());
m_scannerWidget = std::make_unique<XScannerWidget> ( m_ptwScannerWidget.get(), m_sb, m_insaneWorker.get() );
m_scannerWidget->SetConfig ( m_config );
btnScan->Enable(false);
btnScan->Bind ( wxEVT_RIGHT_UP, &XInsaneWidget::OnBtnScanRightClick, this );
btnScan->Bind ( wxEVT_LEFT_UP, &XInsaneWidget::OnBtnScanClick, this );
@@ -293,7 +332,6 @@ XInsaneWidget::XInsaneWidget(wxWindow* parent, TimeredStatusBar * sb, wxConfig *
backgroundDiscovery->Run();
}
XInsaneWidget::~XInsaneWidget() = default; // Important for mixing unique_ptr and PIMPL.
// Show a popup to specifiy the number of pages to scan and back-sided scanning.
void XInsaneWidget::OnLblNewDocRightClick ( wxMouseEvent& evt )
@@ -328,16 +366,38 @@ void XInsaneWidget::OnTxtNewDocKeyPressed ( wxKeyEvent& evt )
evt.Skip();
}
// Show the scanner widget.
// Show the scanner widget or the stamp widgets.
void XInsaneWidget::OnBtnScanRightClick ( wxMouseEvent& evt )
{
if ( m_scannerWidget->cmbDevices->GetCount() )
if (evt.ControlDown())
{
const wxSize current = m_scannerWidget->GetSize();
m_scannerWidget->SetSize ( wxSize ( 500, current.GetHeight() ) );
if (!m_dlgStampWidgets)
{
m_dlgStampWidgets = std::make_unique<wxDialog>
(nullptr, wxID_ANY, _("Stamps"),
wxDefaultPosition, wxDefaultSize,
wxCAPTION | wxRESIZE_BORDER | wxCLOSE_BOX);
m_dlgStampWidgets->SetSize(600, 500);
m_dlgStampWidgets->SetSizer(new wxBoxSizer(wxVERTICAL));
m_dlgStampWidgets->Show ( false );
m_stampWidgets = std::make_unique<XStampWidgets> ( m_dlgStampWidgets.get());
m_stampWidgets->Setup(m_config);
m_dlgStampWidgets->GetSizer()->Add(m_stampWidgets.get(), 1, wxGROW | wxALL, 5);
}
m_dlgStampWidgets->Show();
}
MiscTools::ShowTransientPopup ( m_ptwScannerWidget.get(), m_scannerWidget.get() );
evt.Skip();
else
{
if ( m_scannerWidget->cmbDevices->GetCount() )
{
const wxSize current = m_scannerWidget->GetSize();
m_scannerWidget->SetSize ( wxSize ( 500, current.GetHeight() ) );
}
MiscTools::ShowTransientPopup ( m_ptwScannerWidget.get(), m_scannerWidget.get() );
}
// +++ Prevent OnLblNewDocRightClick() from being called.
// Why is OnBtnScanRightClick() not called the other way round?
evt.Skip(false);
}
// Start scanning.
@@ -367,7 +427,7 @@ void XInsaneWidget::OnBtnScanClick ( wxMouseEvent& evt )
const std::pair<int, wxString> sourceAttributes = m_scannerWidget->GetScannerSource();
const string source = sourceAttributes.second.ToStdString();
const string mode = m_scannerWidget->GetScannerMode().ToStdString();
int resolution = 300;
int resolution = -1; // No resolution with v4l devices.
if ( !m_scannerWidget->GetScannerResolution().IsEmpty() )
{
resolution = std::stoi ( m_scannerWidget->GetScannerResolution().ToStdString() );
@@ -379,10 +439,13 @@ void XInsaneWidget::OnBtnScanClick ( wxMouseEvent& evt )
{
m_scanProject->SetADF(adf);
m_scanProject->SetMode(mode);
m_scanProject->SetResolution(resolution);
m_scanProject->SetOutputType(outputType);
m_scanProject->SetPaperSize(paperSize);
m_scanProject->SetDoubleSided(doubleSided);
m_scanProject->SetTotalNumberOfSides(total);
m_stampDescriptors = m_stampWidgets->GetStampDescriptors();
m_scanProject->SetStampDescriptors(m_stampDescriptors);
std::pair<int, int> startAndIncrement = m_scanProject->GetStartAndIncrement(m_insaneWorker.get());