1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241
|
/*
Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. 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.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#define DEBUG_KP_DOCUMENT 0
#include "kpDocument.h"
#include "kpDocumentPrivate.h"
#include "imagelib/kpColor.h"
#include "widgets/toolbars/kpColorToolBar.h"
#include "kpDefs.h"
#include "environments/document/kpDocumentEnvironment.h"
#include "document/kpDocumentSaveOptions.h"
#include "imagelib/kpDocumentMetaInfo.h"
#include "imagelib/effects/kpEffectReduceColors.h"
#include "pixmapfx/kpPixmapFX.h"
#include "tools/kpTool.h"
#include "lgpl/generic/kpUrlFormatter.h"
#include "views/manager/kpViewManager.h"
#include <math.h>
#include <qcolor.h>
#include <qimage.h>
#include <QMimeDatabase>
#include <QImageReader>
#include "kpLogCategories.h"
#include <kimageio.h>
#include <kio/netaccess.h>
#include <KLocalizedString>
#include <kmessagebox.h>
//---------------------------------------------------------------------
void kpDocument::getDataFromImage(const QImage &image,
kpDocumentSaveOptions &saveOptions,
kpDocumentMetaInfo &metaInfo)
{
saveOptions.setColorDepth(image.depth());
saveOptions.setDither(false); // avoid double dithering when saving
metaInfo.setDotsPerMeterX(image.dotsPerMeterX());
metaInfo.setDotsPerMeterY(image.dotsPerMeterY());
metaInfo.setOffset(image.offset());
QStringList keys = image.textKeys();
for (int i = 0; i < keys.count(); i++)
metaInfo.setText(keys[i], image.text(keys[i]));
}
//---------------------------------------------------------------------
// public static
QImage kpDocument::getPixmapFromFile(const QUrl &url, bool suppressDoesntExistDialog,
QWidget *parent,
kpDocumentSaveOptions *saveOptions,
kpDocumentMetaInfo *metaInfo)
{
#if DEBUG_KP_DOCUMENT
qCDebug(kpLogDocument) << "kpDocument::getPixmapFromFile(" << url << "," << parent << ")";
#endif
if (saveOptions)
*saveOptions = kpDocumentSaveOptions ();
if (metaInfo)
*metaInfo = kpDocumentMetaInfo ();
QString tempFile;
if (url.isEmpty () || !KIO::NetAccess::download (url, tempFile, parent))
{
if (!suppressDoesntExistDialog)
{
// TODO: Use "Cannot" instead of "Could not" in all dialogs in KolourPaint.
// Or at least choose one consistently.
//
// TODO: Have captions for all dialogs in KolourPaint.
KMessageBox::sorry (parent,
i18n ("Could not open \"%1\".",
kpUrlFormatter::PrettyFilename (url)));
}
return QImage ();
}
QMimeDatabase db;
QMimeType mimeType = db.mimeTypeForFile(tempFile);
if (saveOptions)
saveOptions->setMimeType(mimeType.name());
#if DEBUG_KP_DOCUMENT
qCDebug(kpLogDocument) << "\ttempFile=" << tempFile;
qCDebug(kpLogDocument) << "\tmimetype=" << mimeType.name();
qCDebug(kpLogDocument) << "\tsrc=" << url.path ();
#endif
QImageReader reader(tempFile);
reader.setAutoTransform(true);
reader.setDecideFormatFromContent(true);
QImage image = reader.read();
KIO::NetAccess::removeTempFile(tempFile);
if (image.isNull ())
{
KMessageBox::sorry (parent,
i18n ("Could not open \"%1\" - unsupported image format.\n"
"The file may be corrupt.",
kpUrlFormatter::PrettyFilename (url)));
return QImage ();
}
#if DEBUG_KP_DOCUMENT
qCDebug(kpLogDocument) << "\tpixmap: depth=" << image.depth ()
<< " hasAlphaChannel=" << image.hasAlphaChannel ()
<< endl;
#endif
if ( saveOptions && metaInfo )
getDataFromImage(image, *saveOptions, *metaInfo);
// make sure we always have Format_ARGB32_Premultiplied as this is the fastest to draw on
// and Qt can not draw onto Format_Indexed8 (Qt-4.7)
if ( image.format() != QImage::Format_ARGB32_Premultiplied )
image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied);
return image;
}
//---------------------------------------------------------------------
void kpDocument::openNew (const QUrl &url)
{
#if DEBUG_KP_DOCUMENT
qCDebug(kpLogDocument) << "kpDocument::openNew (" << url << ")";
#endif
m_image->fill(QColor(Qt::white).rgb());
setURL (url, false/*not from url*/);
*m_saveOptions = kpDocumentSaveOptions ();
if ( !url.isEmpty() )
{
// guess the mimetype from url's filename extension.
//
// That way "kolourpaint doesnotexist.bmp" automatically
// selects the BMP file format when the save dialog comes up for
// the first time.
QMimeDatabase mimeDb;
m_saveOptions->setMimeType(mimeDb.mimeTypeForUrl(url).name());
}
*m_metaInfo = kpDocumentMetaInfo ();
m_modified = false;
emit documentOpened ();
}
//---------------------------------------------------------------------
bool kpDocument::open (const QUrl &url, bool newDocSameNameIfNotExist)
{
#if DEBUG_KP_DOCUMENT
qCDebug(kpLogDocument) << "kpDocument::open (" << url << ")";
#endif
kpDocumentSaveOptions newSaveOptions;
kpDocumentMetaInfo newMetaInfo;
QImage newPixmap = kpDocument::getPixmapFromFile (url,
newDocSameNameIfNotExist/*suppress "doesn't exist" dialog*/,
d->environ->dialogParent (),
&newSaveOptions,
&newMetaInfo);
if (!newPixmap.isNull ())
{
delete m_image;
m_image = new kpImage (newPixmap);
setURL (url, true/*is from url*/);
*m_saveOptions = newSaveOptions;
*m_metaInfo = newMetaInfo;
m_modified = false;
emit documentOpened ();
return true;
}
if (newDocSameNameIfNotExist)
{
if (!url.isEmpty () &&
// not just a permission error?
!KIO::NetAccess::exists (url, KIO::NetAccess::SourceSide/*open*/, d->environ->dialogParent ()))
{
openNew (url);
}
else
{
openNew (QUrl ());
}
return true;
}
else
{
return false;
}
}
//---------------------------------------------------------------------
|