fixed #82

effects/effects.h

@@ -31,6 +31,8 @@ public:
     TransformEffect(Clip* c);
 	void process_gl(int* anchor_x, int* anchor_y);
     Effect* copy(Clip* c);
+    void load(QXmlStreamReader* stream);
+    void save(QXmlStreamWriter* stream);
 
     LabelSlider* position_x;
     LabelSlider* position_y;

effects/paneffect.cpp

@@ -37,7 +37,7 @@ void PanEffect::load(QXmlStreamReader *stream) {
         stream->readNext();
         if (stream->isStartElement() && stream->name() == "pan") {
             stream->readNext();
-            pan_val->set_value(stream->text().toInt());
+            pan_val->set_value(stream->text().toFloat());
         }
     }
 }

effects/transformeffect.cpp

@@ -99,6 +99,52 @@ Effect* TransformEffect::copy(Clip* c) {
     return t;
 }
 
+void TransformEffect::load(QXmlStreamReader *stream) {
+    while (!(stream->isEndElement() && stream->name() == "effect") && !stream->atEnd()) {
+        stream->readNext();
+        if (stream->isStartElement() && stream->name() == "posx") {
+            stream->readNext();
+            position_x->set_value(stream->text().toFloat());
+        } else if (stream->isStartElement() && stream->name() == "posy") {
+            stream->readNext();
+            position_y->set_value(stream->text().toFloat());
+        } else if (stream->isStartElement() && stream->name() == "scalex") {
+            stream->readNext();
+            scale_x->set_value(stream->text().toFloat());
+        } else if (stream->isStartElement() && stream->name() == "scaley") {
+            stream->readNext();
+            scale_y->set_value(stream->text().toFloat());
+        } else if (stream->isStartElement() && stream->name() == "uniformscale") {
+            stream->readNext();
+            uniform_scale_box->setChecked(stream->text() == "1");
+        } else if (stream->isStartElement() && stream->name() == "rotation") {
+            stream->readNext();
+            rotation->set_value(stream->text().toFloat());
+        } else if (stream->isStartElement() && stream->name() == "anchorx") {
+            stream->readNext();
+            anchor_x_box->set_value(stream->text().toFloat());
+        } else if (stream->isStartElement() && stream->name() == "anchory") {
+            stream->readNext();
+            anchor_y_box->set_value(stream->text().toFloat());
+        } else if (stream->isStartElement() && stream->name() == "opacity") {
+            stream->readNext();
+            opacity->set_value(stream->text().toFloat());
+        }
+    }
+}
+
+void TransformEffect::save(QXmlStreamWriter *stream) {
+    stream->writeTextElement("posx", QString::number(position_x->value()));
+    stream->writeTextElement("posy", QString::number(position_y->value()));
+    stream->writeTextElement("scalex", QString::number(scale_x->value()));
+    stream->writeTextElement("scaley", QString::number(scale_y->value()));
+    stream->writeTextElement("uniformscale", QString::number(uniform_scale_box->isChecked()));
+    stream->writeTextElement("rotation", QString::number(rotation->value()));
+    stream->writeTextElement("anchorx", QString::number(anchor_x_box->value()));
+    stream->writeTextElement("anchory", QString::number(anchor_y_box->value()));
+    stream->writeTextElement("opacity", QString::number(opacity->value()));
+}
+
 void TransformEffect::toggle_uniform_scale(bool enabled) {
 	scale_y->setEnabled(!enabled);
 }

effects/volumeeffect.cpp

@@ -37,7 +37,7 @@ void VolumeEffect::load(QXmlStreamReader* stream) {
         stream->readNext();
         if (stream->isStartElement() && stream->name() == "volume") {
             stream->readNext();
-            volume_val->set_value(stream->text().toInt());
+            volume_val->set_value(stream->text().toFloat());
         }
     }
 }