Differential D19164 Diff 52089 layers/selections/kpSelectionDrag.cpp

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layers/selections/kpSelectionDrag.cpp

Show First 20 Lines • Show All 47 Lines • ▼ Show 20 Line(s)47const char * const kpSelectionDrag::SelectionMimeType =
48 "application/x-kolourpaint-selection-400"; 48​ "application/x-kolourpaint-selection-400";
49 49​
50//--------------------------------------------------------------------- 50​//---------------------------------------------------------------------
51 51​
52kpSelectionDrag::kpSelectionDrag (const kpAbstractImageSelection &sel) 52​kpSelectionDrag::kpSelectionDrag (const kpAbstractImageSelection &sel)
53{ 53​{
54#if DEBUG_KP_SELECTION_DRAG && 1 54​#if DEBUG_KP_SELECTION_DRAG && 1
55 qCDebug(kpLogLayers) << "kpSelectionDrag() w=" << sel.width () 55​ qCDebug(kpLogLayers) << "kpSelectionDrag() w=" << sel.width ()
56 << " h=" << sel.height () 56​ << " h=" << sel.height ();
57 << endl; ​
58#endif 57​#endif
59 58​
60 Q_ASSERT (sel.hasContent ()); 59​ Q_ASSERT (sel.hasContent ());
61 60​
62 // Store as selection. 61​ // Store as selection.
63 QByteArray ba; 62​ QByteArray ba;
64 { 63​ {
65 QDataStream stream (&ba, QIODevice::WriteOnly); 64​ QDataStream stream (&ba, QIODevice::WriteOnly);
66 stream << sel; 65​ stream << sel;
67 } 66​ }
68 setData (kpSelectionDrag::SelectionMimeType, ba); 67​ setData (kpSelectionDrag::SelectionMimeType, ba);
69 68​
70 // Store as image (so that QMimeData::hasImage()) works). 69​ // Store as image (so that QMimeData::hasImage()) works).
71 // OPT: an awful waste of memory storing image in both selection and QImage 70​ // OPT: an awful waste of memory storing image in both selection and QImage
72 const QImage image = sel.baseImage (); 71​ const QImage image = sel.baseImage ();
73#if DEBUG_KP_SELECTION_DRAG && 1 72​#if DEBUG_KP_SELECTION_DRAG && 1
74 qCDebug(kpLogLayers) << "\timage: w=" << image.width () 73​ qCDebug(kpLogLayers) << "\timage: w=" << image.width ()
75 << " h=" << image.height () 74​ << " h=" << image.height ();
76 << endl; ​
77#endif 75​#endif
78 if (image.isNull ()) 76​ if (image.isNull ())
79 { 77​ {
80 // TODO: proper error handling. 78​ // TODO: proper error handling.
81 qCCritical(kpLogLayers) << "kpSelectionDrag::setSelection() could not convert to image" 79​ qCCritical(kpLogLayers) << "kpSelectionDrag::setSelection() could not convert to image";
82 << endl; ​
83 } 80​ }
84 else 81​ else {
85 setImageData (image); 82​ setImageData (image);
86} 83​ }
84​}
87 85​
88//--------------------------------------------------------------------- 86​//---------------------------------------------------------------------
89// public static 87​// public static
90 88​
91bool kpSelectionDrag::canDecode(const QMimeData *mimeData) 89​bool kpSelectionDrag::canDecode(const QMimeData *mimeData)
92{ 90​{
93 Q_ASSERT(mimeData); 91​ Q_ASSERT(mimeData);
94 92​
Show All 23 Lines111#endif
118 #if DEBUG_KP_SELECTION_DRAG 116​ #if DEBUG_KP_SELECTION_DRAG
119 qCDebug(kpLogLayers) << "\tmimeSource hasFormat selection - just return it in QByteArray"; 117​ qCDebug(kpLogLayers) << "\tmimeSource hasFormat selection - just return it in QByteArray";
120 #endif 118​ #endif
121 QByteArray data = mimeData->data (kpSelectionDrag::SelectionMimeType); 119​ QByteArray data = mimeData->data (kpSelectionDrag::SelectionMimeType);
122 QDataStream stream (&data, QIODevice::ReadOnly); 120​ QDataStream stream (&data, QIODevice::ReadOnly);
123 121​
124 return kpSelectionFactory::FromStream (stream); 122​ return kpSelectionFactory::FromStream (stream);
125 } 123​ }
126 else 124​
127 { 125​
128 #if DEBUG_KP_SELECTION_DRAG 126​#if DEBUG_KP_SELECTION_DRAG
129 qCDebug(kpLogLayers) << "\tmimeSource doesn't provide selection - try image"; 127​ qCDebug(kpLogLayers) << "\tmimeSource doesn't provide selection - try image";
130 #endif 128​#endif
131 129​
132 QImage image = qvariant_cast <QImage> (mimeData->imageData ()); 130​ QImage image = qvariant_cast <QImage> (mimeData->imageData ());
133 if (!image.isNull ()) 131​ if (!image.isNull ())
134 { 132​ {
135 #if DEBUG_KP_SELECTION_DRAG 133​#if DEBUG_KP_SELECTION_DRAG
136 qCDebug(kpLogLayers) << "\tok w=" << image.width () << " h=" << image.height (); 134​ qCDebug(kpLogLayers) << "\tok w=" << image.width () << " h=" << image.height ();
137 #endif 135​#endif
138 136​
139 return new kpRectangularImageSelection ( 137​ return new kpRectangularImageSelection (
140 QRect (0, 0, image.width (), image.height ()), image); 138​ QRect (0, 0, image.width (), image.height ()), image);
141 } 139​ }
142 else if ( mimeData->hasUrls() ) // no image, check for path to local image file 140​
141​ if ( mimeData->hasUrls() ) // no image, check for path to local image file
143 { 142​ {
144 QList<QUrl> urls = mimeData->urls(); 143​ QList<QUrl> urls = mimeData->urls();
145 144​
146 if ( urls.count() && urls[0].isLocalFile() ) 145​ if ( urls.count() && urls[0].isLocalFile() )
147 { 146​ {
148 image.load(urls[0].toLocalFile()); 147​ image.load(urls[0].toLocalFile());
149 148​
150 if ( !image.isNull() ) 149​ if ( !image.isNull() )
151 { 150​ {
152 return new kpRectangularImageSelection( 151​ return new kpRectangularImageSelection(
153 QRect(0, 0, image.width(), image.height()), image); 152​ QRect(0, 0, image.width(), image.height()), image);
154 } 153​ }
155 } 154​ }
156 } 155​ }
157 156​
158 #if DEBUG_KP_SELECTION_DRAG 157​ #if DEBUG_KP_SELECTION_DRAG
159 qCDebug(kpLogLayers) << "kpSelectionDrag::decode(kpAbstractSelection) mimeSource had no sel " 158​ qCDebug(kpLogLayers) << "kpSelectionDrag::decode(kpAbstractSelection) mimeSource had no sel "
160 "and could not decode to image" << endl; 159​ "and could not decode to image";
161 #endif 160​ #endif
162 return nullptr; 161​ return nullptr;
163 } 162​
164} 163​}
165 164​
166//--------------------------------------------------------------------- 165​//---------------------------------------------------------------------