Add Codablock options to Studio

Also remove divide by zero bug calculating row height

backend/library.c

@@ -378,23 +378,22 @@ static int hibc(struct zint_symbol *symbol, unsigned char source[], size_t lengt
 
 static void check_row_heights(struct zint_symbol *symbol) {
     /* Check that rows with undefined heights are never less than 5x  */
-    int large_bar_count;
+    int large_bar_count = 0;
     int i;
-    int preset_height;
+    int preset_height = 0;
-    int large_bar_height;
+    int large_bar_height = 0;
    
-    large_bar_count = 0;
-    preset_height = 0;
     for (i = 0; i < symbol->rows; i++) {
         preset_height += symbol->row_height[i];
         if (symbol->row_height[i] == 0) {
             large_bar_count++;
         }
     }
-    large_bar_height = (symbol->height - preset_height) / large_bar_count;
     
     if (large_bar_count == 0) {
         symbol->height = preset_height;
+    } else {
+        large_bar_height = (symbol->height - preset_height) / large_bar_count;
     }
     
     if (large_bar_height < 5) {

frontend/main.c

@@ -52,7 +52,7 @@ void types(void) {
             "21: Leitcode          70: RM4SCC                  116: Han Xin Code\n"
             "22: Identcode         71: Data Matrix             128: Aztec Runes\n"
             "23: Code 16k          72: EAN-14                  129: Code 32\n"
-            "24: Code 49           74: Codablock               130: Comp EAN\n"
+            "24: Code 49           74: Codablock-F             130: Comp EAN\n"
             "25: Code 93           75: NVE-18                  131: Comp GS1-128\n"
             "28: Flattermarken     76: Japanese Post           132: Comp DataBar Omni\n"
             "29: GS1 DataBar Omni  77: Korea Post              133: Comp DataBar Ltd\n"

frontend_qt4/frontend_qt4.pro

@@ -25,6 +25,7 @@ FORMS += extData.ui \
          grpC49.ui \
          grpChannel.ui \
          grpCodeOne.ui \
+         grpCodablockF.ui \
          grpDBExtend.ui \
          grpDM.ui \
          grpGrid.ui \

frontend_qt4/mainwindow.cpp

@@ -39,7 +39,7 @@ MainWindow::MainWindow(QWidget* parent, Qt::WFlags fl)
 		"Aztec Runes",
 		"Channel Code",
 		"Codabar",
-        "Codablock",
+                "Codablock-F",
 		"Code 11",
 		"Code 128 (ISO 15417)",
 		"Code 16k",
@@ -365,6 +365,21 @@ void MainWindow::change_options()
 		connect(m_optionWidget->findChild<QObject*>("radC16kStand"), SIGNAL(toggled( bool )), SLOT(update_preview()));
 	}
 	
+        if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_CODABLOCKF)
+        {
+                QFile file (":/grpCodablockF.ui");
+                if (!file.open(QIODevice::ReadOnly))
+                    return;
+                m_optionWidget=uiload.load(&file);
+                file.close();
+                tabMain->insertTab(1,m_optionWidget,tr("Codablock-F"));
+                connect(m_optionWidget->findChild<QObject*>("radCbfAutosize"), SIGNAL(toggled( bool )), SLOT(update_preview()));
+                connect(m_optionWidget->findChild<QObject*>("radCbfSetWidth"), SIGNAL(toggled( bool )), SLOT(update_preview()));
+                connect(m_optionWidget->findChild<QObject*>("radCbfSetHeight"), SIGNAL(toggled( bool )), SLOT(update_preview()));
+                connect(m_optionWidget->findChild<QObject*>("cmbCbfWidth"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
+                connect(m_optionWidget->findChild<QObject*>("cmbCbfHeight"), SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
+        }
+        
 	if(metaObject()->enumerator(0).value(bstyle->currentIndex()) == BARCODE_DATAMATRIX)
 	{
 		QFile file(":/grpDM.ui");
@@ -744,6 +759,15 @@ void MainWindow::update_preview()
 				m_bc.bc.setInputMode(GS1_MODE);
 			break;
 
+            case BARCODE_CODABLOCKF:
+                m_bc.bc.setSymbol(BARCODE_CODABLOCKF);
+                if(m_optionWidget->findChild<QRadioButton*>("radCbfSetWidth")->isChecked())
+                    m_bc.bc.setWidth(m_optionWidget->findChild<QComboBox*>("cmbCbfWidth")->currentIndex() + 6);
+                // Height selection uses option 1 in zint_symbol
+                if(m_optionWidget->findChild<QRadioButton*>("radCbfSetHeight")->isChecked())
+                    m_bc.bc.setSecurityLevel(m_optionWidget->findChild<QComboBox*>("cmbCbfHeight")->currentIndex() + 1);
+                break;
+                        
 		case BARCODE_DATAMATRIX:
 			m_bc.bc.setSecurityLevel(1);
 			if(m_optionWidget->findChild<QRadioButton*>("radDM200HIBC")->isChecked())

frontend_qt4/resources.qrc

@@ -23,5 +23,6 @@
         <file>images/zint.png</file>
         <file>grpHX.ui</file>
         <file>grpDotCode.ui</file>
+        <file>grpCodablockF.ui</file>
     </qresource>
 </RCC>