add default quarter files

src/Gui/Quarter/ImageReader.cpp

@@ -0,0 +1,80 @@
+/**************************************************************************\
+ * Copyright (c) Kongsberg Oil & Gas Technologies AS
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+\**************************************************************************/
+
+#include "ImageReader.h"
+#include <Inventor/SbImage.h>
+#include <Inventor/errors/SoDebugError.h>
+#include <QtGui/QImage>
+
+#include <Quarter/QtCoinCompatibility.h>
+
+using namespace SIM::Coin3D::Quarter;
+
+ImageReader::ImageReader(void)
+{
+  SbImage::addReadImageCB(ImageReader::readImageCB, this);
+}
+
+ImageReader::~ImageReader(void)
+{
+  SbImage::removeReadImageCB(ImageReader::readImageCB, this);
+}
+
+SbBool
+ImageReader::readImage(const SbString & filename, SbImage & sbimage) const
+{
+  QImage image;
+  if (image.load(filename.getString())) {
+    int c;
+    int w = image.width();
+    int h = image.height();
+
+    // Keep in 8-bits mode if that was what we read
+    if (image.depth() != 8 || !image.isGrayscale()) {
+      // FIXME: consider if we should detect allGrayscale() and alpha (c = 2)
+      image = image.convertToFormat(image.hasAlphaChannel() ?
+                                    QImage::Format_ARGB32 : QImage::Format_RGB32);
+    }
+
+    QtCoinCompatibility::QImageToSbImage(image,sbimage);
+    return TRUE;
+  }
+  return FALSE;
+}
+
+
+
+SbBool
+ImageReader::readImageCB(const SbString & filename, SbImage * image, void * closure)
+{
+  return ((ImageReader*)closure)->readImage(filename, *image);
+}