Shamusworld >> Repos - ttedit/blob - src/previewfiledialog.cpp

   1 #include "previewfiledialog.h"
   2 #include <QLabel>
   3 #include <QGridLayout>
   4 #include <QPainterPath>
   5 #include <QPainter>
   6 #include "charwindow.h"
   7 #include "global.h"
   8 #include "glyphpoints.h"
   9
  10
  11 PreviewFileDialog::PreviewFileDialog(
  12         QWidget * parent,
  13         const QString & caption,
  14         const QString & directory,
  15         const QString & filter):
  16     QFileDialog(parent, caption, directory, filter)
  17 {
  18         setObjectName("PreviewFileDialog");
  19         QVBoxLayout * box = new QVBoxLayout;
  20
  21         mpPreview = new QLabel(tr("Preview"), this);
  22         mpPreview->setAlignment(Qt::AlignCenter);
  23         mpPreview->setObjectName("labelPreview");
  24         box->addWidget(mpPreview);
  25
  26         box->addStretch();
  27
  28         // add to QFileDialog layout
  29         {
  30                 QGridLayout * layout = (QGridLayout *)this->layout();
  31                 layout->addLayout(box, 1, 3, 3, 1);
  32         }
  33
  34         connect(this, SIGNAL(currentChanged(const QString &)), this, SLOT(HandleCurrentChanged(const QString &)));
  35 }
  36
  37
  38 void PreviewFileDialog::HandleCurrentChanged(const QString & path)
  39 {
  40         if (path.endsWith(".glyph") == false)
  41                 return;
  42
  43         GlyphPoints gp;
  44         QPainterPath * glyphPath = NULL;
  45         FILE * fp = fopen(path.toUtf8().data(), "r");
  46
  47         if (fp != NULL)
  48         {
  49                 if (gp.LoadGlyphFromFile(fp) == true)
  50                         glyphPath = Global::charWnd->MakePathFromPoints(&gp);
  51
  52                 fclose(fp);
  53         }
  54
  55         QImage glyphImg(160, 160, QImage::Format_RGBA8888);
  56         glyphImg.fill(Qt::transparent);
  57         Global::charWnd->RenderPathInImage(glyphPath, &glyphImg);
  58         QPixmap pixmap = QPixmap::fromImage(glyphImg);
  59
  60         if (pixmap.isNull() == false)
  61         {
  62                 mpPreview->setPixmap(pixmap);//.scaled(mpPreview->width(), mpPreview->height(), Qt::KeepAspectRatio, Qt::SmoothTransformation));
  63 //              return;
  64         }
  65
  66 //      mpPreview->setText(QString("not an image"));//<br>%1").arg(path));
  67 }
  68