Text Leader initial version

src/Mod/TechDraw/Gui/mtextedit.cpp

@@ -0,0 +1,78 @@
+#include "mtextedit.h"
+#include <QTextDocument>
+#include <QTextCursor>
+#include <QImage>
+#include <QByteArray>
+#include <QBuffer>
+#include <stdlib.h>
+
+
+MTextEdit::MTextEdit(QWidget *parent) : QTextEdit(parent) {
+}
+
+
+bool MTextEdit::canInsertFromMimeData(const QMimeData *source) const {
+    return source->hasImage() || QTextEdit::canInsertFromMimeData(source);
+}
+
+
+void MTextEdit::insertFromMimeData(const QMimeData *source) {
+    if (source->hasImage()) {
+        QStringList formats = source->formats();
+        QString format;
+        for (int i=0; i<formats.size(); i++) {
+            if (formats[i] == "image/bmp")  { format = "BMP";  break; }
+            if (formats[i] == "image/jpeg") { format = "JPG";  break; }
+            if (formats[i] == "image/jpg")  { format = "JPG";  break; }
+            if (formats[i] == "image/gif")  { format = "GIF";  break; }
+            if (formats[i] == "image/png")  { format = "PNG";  break; }
+            if (formats[i] == "image/pbm")  { format = "PBM";  break; }
+            if (formats[i] == "image/pgm")  { format = "PGM";  break; }
+            if (formats[i] == "image/ppm")  { format = "PPM";  break; }
+            if (formats[i] == "image/tiff") { format = "TIFF"; break; }
+            if (formats[i] == "image/xbm")  { format = "XBM";  break; }
+            if (formats[i] == "image/xpm")  { format = "XPM";  break; }
+            }
+        if (!format.isEmpty()) {
+//          dropImage(qvariant_cast<QImage>(source->imageData()), format);
+            dropImage(qvariant_cast<QImage>(source->imageData()), "JPG"); // Sorry, ale cokoli jiného dlouho trvá
+            return;
+            }
+        }
+    QTextEdit::insertFromMimeData(source);
+}
+
+
+QMimeData *MTextEdit::createMimeDataFromSelection() const {
+    return QTextEdit::createMimeDataFromSelection();
+}
+
+
+void MTextEdit::dropImage(const QImage& image, const QString& format) {
+    QByteArray bytes;
+    QBuffer buffer(&bytes);
+    buffer.open(QIODevice::WriteOnly);
+    image.save(&buffer, format.toLocal8Bit().data());
+    buffer.close();
+    QByteArray base64 = bytes.toBase64();
+    QByteArray base64l;
+    for (int i=0; i<base64.size(); i++) {
+        base64l.append(base64[i]);
+        if (i%80 == 0) {
+            base64l.append("\n");
+            }
+        }
+
+    QTextCursor cursor = textCursor();
+    QTextImageFormat imageFormat;
+    imageFormat.setWidth  ( image.width() );
+    imageFormat.setHeight ( image.height() );
+    imageFormat.setName   ( QString("data:image/%1;base64,%2")
+                                .arg(QString("%1.%2").arg(rand()).arg(format))
+                                .arg(base64l.data())
+                                );
+    cursor.insertImage    ( imageFormat );
+}
+
+#include <Mod/TechDraw/Gui/moc_mtextedit.cpp>
+