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path: root/noncore/graphics/drawpad/drawpadcanvas.cpp
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Diffstat (limited to 'noncore/graphics/drawpad/drawpadcanvas.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/drawpad/drawpadcanvas.cpp12
1 files changed, 9 insertions, 3 deletions
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index 8818c03..b8a1c2e 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -33,74 +33,80 @@
33#include <zlib.h> 33#include <zlib.h>
34 34
35class DrawPadCanvasXmlHandler: public QXmlDefaultHandler 35class DrawPadCanvasXmlHandler: public QXmlDefaultHandler
36{ 36{
37public: 37public:
38 DrawPadCanvasXmlHandler(); 38 DrawPadCanvasXmlHandler();
39 ~DrawPadCanvasXmlHandler(); 39 ~DrawPadCanvasXmlHandler();
40 40
41 QList<QPixmap> pixmaps(); 41 QList<QPixmap> pixmaps();
42 42
43 bool startElement(const QString& namespaceURI, const QString& localName, 43 bool startElement(const QString& namespaceURI, const QString& localName,
44 const QString& qName, const QXmlAttributes& atts); 44 const QString& qName, const QXmlAttributes& atts);
45 bool endElement(const QString& namespaceURI, const QString& localName, 45 bool endElement(const QString& namespaceURI, const QString& localName,
46 const QString& qName); 46 const QString& qName);
47 bool characters(const QString& ch); 47 bool characters(const QString& ch);
48 48
49private: 49private:
50 enum State { 50 enum State {
51 Unknown, 51 Unknown,
52 InData 52 InData
53 }; 53 };
54 54
55 State m_state; 55 State m_state;
56 ulong m_dataLenght; 56 ulong m_dataLenght;
57 QString m_dataFormat;
57 QList<QPixmap> m_pixmaps; 58 QList<QPixmap> m_pixmaps;
58}; 59};
59 60
60DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler() 61DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler()
61{ 62{
62 m_state = Unknown; 63 m_state = Unknown;
63} 64}
64 65
65DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler() 66DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler()
66{ 67{
67} 68}
68 69
69QList<QPixmap> DrawPadCanvasXmlHandler::pixmaps() 70QList<QPixmap> DrawPadCanvasXmlHandler::pixmaps()
70{ 71{
71 return m_pixmaps; 72 return m_pixmaps;
72} 73}
73 74
74bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName, 75bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName,
75 const QString& qName, const QXmlAttributes& atts) 76 const QString& qName, const QXmlAttributes& atts)
76{ 77{
77 Q_CONST_UNUSED(namespaceURI) 78 Q_CONST_UNUSED(namespaceURI)
78 Q_CONST_UNUSED(localName) 79 Q_CONST_UNUSED(localName)
79 80
80 if (qName.compare("data") == 0) { 81 if (qName.compare("data") == 0) {
81 m_state = InData; 82 m_state = InData;
82 m_dataLenght = atts.value("length").toULong(); 83 m_dataLenght = atts.value("length").toULong();
84 m_dataFormat = atts.value("format");
85
86 if (m_dataFormat.isEmpty()) {
87 m_dataFormat = "XPM";
88 }
83 } 89 }
84 90
85 return true; 91 return true;
86} 92}
87 93
88bool DrawPadCanvasXmlHandler::endElement(const QString& namespaceURI, const QString& localName, 94bool DrawPadCanvasXmlHandler::endElement(const QString& namespaceURI, const QString& localName,
89 const QString& qName) 95 const QString& qName)
90{ 96{
91 Q_CONST_UNUSED(namespaceURI) 97 Q_CONST_UNUSED(namespaceURI)
92 Q_CONST_UNUSED(localName) 98 Q_CONST_UNUSED(localName)
93 99
94 if (qName.compare("data") == 0) { 100 if (qName.compare("data") == 0) {
95 m_state = Unknown; 101 m_state = Unknown;
96 } 102 }
97 103
98 return true; 104 return true;
99} 105}
100 106
101bool DrawPadCanvasXmlHandler::characters(const QString& ch) 107bool DrawPadCanvasXmlHandler::characters(const QString& ch)
102{ 108{
103 if (m_state == InData) { 109 if (m_state == InData) {
104 QByteArray byteArray(ch.length() / 2); 110 QByteArray byteArray(ch.length() / 2);
105 111
106 for (int i = 0; i < (int)ch.length() / 2; i++) { 112 for (int i = 0; i < (int)ch.length() / 2; i++) {
@@ -112,49 +118,49 @@ bool DrawPadCanvasXmlHandler::characters(const QString& ch)
112 r += h - '0'; 118 r += h - '0';
113 } else { 119 } else {
114 r += h - 'a' + 10; 120 r += h - 'a' + 10;
115 } 121 }
116 122
117 r = r << 4; 123 r = r << 4;
118 124
119 if (l <= '9') { 125 if (l <= '9') {
120 r += l - '0'; 126 r += l - '0';
121 } else { 127 } else {
122 r += l - 'a' + 10; 128 r += l - 'a' + 10;
123 } 129 }
124 130
125 byteArray[i] = r; 131 byteArray[i] = r;
126 } 132 }
127 133
128 if (m_dataLenght < ch.length() * 5) { 134 if (m_dataLenght < ch.length() * 5) {
129 m_dataLenght = ch.length() * 5; 135 m_dataLenght = ch.length() * 5;
130 } 136 }
131 137
132 QByteArray byteArrayUnzipped(m_dataLenght); 138 QByteArray byteArrayUnzipped(m_dataLenght);
133 ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size()); 139 ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size());
134 140
135 QImage image; 141 QImage image;
136 image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, "XPM"); 142 image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat);
137 143
138 QPixmap* pixmap = new QPixmap(image.width(), image.height()); 144 QPixmap* pixmap = new QPixmap(image.width(), image.height());
139 pixmap->convertFromImage(image); 145 pixmap->convertFromImage(image);
140 m_pixmaps.append(pixmap); 146 m_pixmaps.append(pixmap);
141 } 147 }
142 148
143 return true; 149 return true;
144} 150}
145 151
146DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name) 152DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name)
147 : QScrollView(parent, name) 153 : QScrollView(parent, name)
148{ 154{
149 m_pDrawPad = drawPad; 155 m_pDrawPad = drawPad;
150 m_pages.setAutoDelete(true); 156 m_pages.setAutoDelete(true);
151 m_pageBackups.setAutoDelete(true); 157 m_pageBackups.setAutoDelete(true);
152} 158}
153 159
154DrawPadCanvas::~DrawPadCanvas() 160DrawPadCanvas::~DrawPadCanvas()
155{ 161{
156} 162}
157 163
158void DrawPadCanvas::load(QIODevice* ioDevice) 164void DrawPadCanvas::load(QIODevice* ioDevice)
159{ 165{
160 QTextStream textStream(ioDevice); 166 QTextStream textStream(ioDevice);
@@ -194,60 +200,60 @@ void DrawPadCanvas::initialPage()
194 200
195 resizeContents(m_pages.current()->width(), m_pages.current()->height()); 201 resizeContents(m_pages.current()->width(), m_pages.current()->height());
196 viewport()->update(); 202 viewport()->update();
197 203
198 emit pagesChanged(); 204 emit pagesChanged();
199 emit pageBackupsChanged(); 205 emit pageBackupsChanged();
200} 206}
201 207
202void DrawPadCanvas::save(QIODevice* ioDevice) 208void DrawPadCanvas::save(QIODevice* ioDevice)
203{ 209{
204 QTextStream textStream(ioDevice); 210 QTextStream textStream(ioDevice);
205 textStream.setCodec(QTextCodec::codecForName("UTF-8")); 211 textStream.setCodec(QTextCodec::codecForName("UTF-8"));
206 212
207 textStream << "<drawpad>" << endl; 213 textStream << "<drawpad>" << endl;
208 textStream << " <images>" << endl; 214 textStream << " <images>" << endl;
209 215
210 QListIterator<QPixmap> bufferIterator(m_pages); 216 QListIterator<QPixmap> bufferIterator(m_pages);
211 217
212 for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) { 218 for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) {
213 textStream << " <image>" << endl; 219 textStream << " <image>" << endl;
214 220
215 QImage image = bufferIterator.current()->convertToImage(); 221 QImage image = bufferIterator.current()->convertToImage();
216 QByteArray byteArray; 222 QByteArray byteArray;
217 QBuffer buffer(byteArray); 223 QBuffer buffer(byteArray);
218 QImageIO imageIO(&buffer, "XPM"); 224 QImageIO imageIO(&buffer, "PNG");
219 225
220 buffer.open(IO_WriteOnly); 226 buffer.open(IO_WriteOnly);
221 imageIO.setImage(image); 227 imageIO.setImage(image);
222 imageIO.write(); 228 imageIO.write();
223 buffer.close(); 229 buffer.close();
224 230
225 ulong size = byteArray.size() * 2; 231 ulong size = byteArray.size() * 2;
226 QByteArray byteArrayZipped(size); 232 QByteArray byteArrayZipped(size);
227 ::compress((uchar*)byteArrayZipped.data(), &size, (uchar*)byteArray.data(), byteArray.size()); 233 ::compress((uchar*)byteArrayZipped.data(), &size, (uchar*)byteArray.data(), byteArray.size());
228 234
229 textStream << " <data length=\"" << byteArray.size() << "\">"; 235 textStream << " <data length=\"" << byteArray.size() << "\" format=\"PNG\">";
230 236
231 static const char hexchars[] = "0123456789abcdef"; 237 static const char hexchars[] = "0123456789abcdef";
232 238
233 for (int i = 0; i < (int)size; i++ ) { 239 for (int i = 0; i < (int)size; i++ ) {
234 uchar s = (uchar)byteArrayZipped[i]; 240 uchar s = (uchar)byteArrayZipped[i];
235 textStream << hexchars[s >> 4]; 241 textStream << hexchars[s >> 4];
236 textStream << hexchars[s & 0x0f]; 242 textStream << hexchars[s & 0x0f];
237 } 243 }
238 244
239 textStream << "</data>" << endl; 245 textStream << "</data>" << endl;
240 textStream << " </image>" << endl; 246 textStream << " </image>" << endl;
241 } 247 }
242 248
243 textStream << " </images>" << endl; 249 textStream << " </images>" << endl;
244 textStream << "</drawpad>"; 250 textStream << "</drawpad>";
245} 251}
246 252
247void DrawPadCanvas::importPage(const QString& fileName) 253void DrawPadCanvas::importPage(const QString& fileName)
248{ 254{
249 QPixmap* importedPixmap = new QPixmap(); 255 QPixmap* importedPixmap = new QPixmap();
250 256
251 importedPixmap->load(fileName); 257 importedPixmap->load(fileName);
252 m_pages.insert(m_pages.at() + 1, importedPixmap); 258 m_pages.insert(m_pages.at() + 1, importedPixmap);
253 259