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Diffstat (limited to 'kbabel/addons/preview/pothumbcreator.cpp')
-rw-r--r-- | kbabel/addons/preview/pothumbcreator.cpp | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/kbabel/addons/preview/pothumbcreator.cpp b/kbabel/addons/preview/pothumbcreator.cpp new file mode 100644 index 00000000..f067948a --- /dev/null +++ b/kbabel/addons/preview/pothumbcreator.cpp @@ -0,0 +1,360 @@ +/* + This file is part of KBabel + Copyright (C) 2001 Matthias Kiefer <kiefer@kde.org> + + Text painting code is based on the text file preview textthumbnail by + Copyright (C) 2000 Carsten Pfeiffer <pfeiffer@kde.org> + 2000 Malte Starostik <malte@kde.org> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + + In addition, as a special exception, the copyright holders give + permission to link the code of this program with any edition of + the Qt library by Trolltech AS, Norway (or with modified versions + of Qt that use the same license as Qt), and distribute linked + combinations including the two. You must obey the GNU General + Public License in all respects for all of the code used other than + Qt. If you modify this file, you may extend this exception to + your version of the file, but you are not obligated to do so. If + you do not wish to do so, delete this exception statement from + your version. + +*/ + +#include <qpainter.h> +#include <qpixmap.h> +#include <qimage.h> + +#include <kapplication.h> +#include <kglobal.h> +#include <kiconloader.h> +#include <kstandarddirs.h> +#include <kpixmapsplitter.h> + +#include "pothumbcreator.h" +#include "poinfo.h" + +using namespace KBabel; + +extern "C" +{ + KDE_EXPORT ThumbCreator *new_creator() + { + return new PoThumbCreator; + } +} + +PoThumbCreator::PoThumbCreator() + : m_splitter(0) +{ +} + +PoThumbCreator::~PoThumbCreator() +{ + if(m_splitter) + delete m_splitter; +} + +bool PoThumbCreator::create(const QString &path, int width, int height, QImage &img) +{ + if ( !m_splitter ) + { + m_splitter = new KPixmapSplitter; + QString pixmap = locate( "data", "konqueror/pics/thumbnailfont_7x4.png" ); + if ( !pixmap.isEmpty() ) + { + m_splitter->setPixmap( QPixmap( pixmap )); + m_splitter->setItemSize( QSize( 4, 7 )); + } + } + + bool ok = false; + PoInfo poInfo; + QStringList wordList; + + // We do not call msgfmt, as a thumbnail must be created fast. + if( PoInfo::info( path, poInfo, wordList, false, true, false ) == OK ) + { + ok = true; + + QPixmap pix; + if (height * 3 > width * 4) + pix.resize(width, width * 4 / 3); + else + pix.resize(height * 3 / 4, height); + + pix.fill( QColor( 245, 245, 245 ) ); // light-grey background + + + + // one pixel for the rectangle, the rest. whitespace + int xBorder = 1 + pix.width()/16; // minimum x-border + int yBorder = 1 + pix.height()/16; // minimum y-border + + int circle = 16*360; + int fuzzyAngle = poInfo.fuzzy*circle/poInfo.total; + int untransAngle = poInfo.untranslated*circle/poInfo.total; + + int w = pix.width()-2*xBorder; + int h = pix.height()*2/3-2*yBorder; + + int d = QMIN(w,h); + xBorder = (pix.width()-d)/2; + yBorder = (pix.height()*2/3-d)/2; + + QPainter p(&pix); + + if(fuzzyAngle>0) + { + p.setBrush(Qt::blue); + + if(poInfo.total == poInfo.fuzzy) + { + p.drawEllipse(xBorder,yBorder,d,d); + } + else + { + p.drawPie(xBorder,yBorder, d, d, 0, -fuzzyAngle); + } + } + + if(untransAngle>0) + { + p.setBrush(Qt::red); + + if(poInfo.untranslated == poInfo.total) + { + p.drawEllipse(xBorder,yBorder,d,d); + } + else + { + p.drawPie(xBorder,yBorder, d, d, -fuzzyAngle, -untransAngle); + } + } + + if(circle - fuzzyAngle - untransAngle>0) + { + p.setBrush(Qt::darkGreen); + + if(poInfo.fuzzy==0 && poInfo.untranslated==0) + { + p.drawEllipse(xBorder,yBorder,d,d); + } + else + { + p.drawPie(xBorder,yBorder, d, d, -fuzzyAngle-untransAngle + , -(circle-fuzzyAngle-untransAngle) ); + } + } + + p.end(); + + + + QRect rect; + + QSize chSize = m_splitter->itemSize(); // the size of one char + int xOffset = chSize.width(); + int yOffset = chSize.height(); + + // one pixel for the rectangle, the rest. whitespace + xBorder = 1 + pix.width()/16; // minimum x-border + yBorder = 1 + pix.height()/16; // minimum y-border + + // calculate a better border so that the text is centered + int canvasWidth = pix.width() - 2*xBorder; + int canvasHeight = pix.height()/3 - 2*yBorder; + int numCharsPerLine = (int) (canvasWidth / chSize.width()); + int numLines = (int) (canvasHeight / chSize.height()); + + int rest = pix.width() - (numCharsPerLine * chSize.width()); + xBorder = QMAX( xBorder, rest/2); // center horizontally + rest = pix.height()/3 - (numLines * chSize.height()); + yBorder = QMAX( yBorder, rest/2); // center vertically + // end centering + + + QString text; + + if(numCharsPerLine < 30) + { + if(!poInfo.revision.isEmpty()) + text += poInfo.revision+'\n'; + if(!poInfo.lastTranslator.isEmpty()) + text += poInfo.lastTranslator+'\n'; + if(!poInfo.languageTeam.isEmpty()) + text += poInfo.languageTeam+'\n'; + if(!poInfo.contentType.isEmpty()) + text += poInfo.contentType+'\n'; + if(!poInfo.creation.isEmpty()) + text += poInfo.creation+'\n'; + if(!poInfo.project.isEmpty()) + text += poInfo.project+'\n'; + if(!poInfo.mimeVersion.isEmpty()) + text += "MIME-Version: "+poInfo.mimeVersion+'\n'; + if(!poInfo.encoding.isEmpty()) + text += poInfo.encoding+'\n'; + + int lines = text.contains('\n')+1; + if(lines < numLines) + { + text = poInfo.headerComment+'\n'+text; + if(!poInfo.others.isEmpty()) + text += poInfo.others+'\n'; + } + + if(text.at(text.length()-1) == '\n') + text.truncate(text.length()-1); + } + else + { + if(!poInfo.headerComment.isEmpty()) + text += poInfo.headerComment+'\n'; + if(!poInfo.project.isEmpty()) + text += "Project-Id-Version: "+poInfo.project+'\n'; + if(!poInfo.creation.isEmpty()) + text += "POT-Creation-Date: "+poInfo.creation+'\n'; + if(!poInfo.revision.isEmpty()) + text += "PO-Revision-Date: "+ poInfo.revision+'\n'; + if(!poInfo.lastTranslator.isEmpty()) + text += "Last-Translator: "+poInfo.lastTranslator+'\n'; + if(!poInfo.languageTeam.isEmpty()) + text += "Language-Team: "+poInfo.languageTeam+'\n'; + if(!poInfo.contentType.isEmpty()) + text += "Content-Type: "+poInfo.contentType+'\n'; + if(!poInfo.mimeVersion.isEmpty()) + text += "MIME-Version: "+poInfo.mimeVersion+'\n'; + if(!poInfo.encoding.isEmpty()) + text += "Content-Transfer-Encoding: "+poInfo.encoding+'\n'; + if(!poInfo.others.isEmpty()) + text += poInfo.others; + + + if(text.at(text.length()-1) == '\n') + text.truncate(text.length()-1); + } + /* + double p = ((double)(poInfo.total-poInfo.fuzzy-poInfo.untranslated))*100/poInfo.total; + text = locale->formatNumber(p,0)+'%'; + */ + // find the maximum string length to center the text + QStringList lineList=QStringList::split('\n',text); + uint max=0; + for( QStringList::Iterator it = lineList.begin(); it != lineList.end() + ; ++it ) + { + if((*it).length() > max) + max = (*it).length(); + } + rest = pix.width() - (max * chSize.width()); + xBorder = QMAX( xBorder, rest/2); // center horizontally + rest = pix.height()/3 - (lineList.count() * chSize.height()); + yBorder = QMAX( yBorder, rest/2); // center vertically + + // where to paint the characters + int x = xBorder, y = pix.height()*2/3; + int posNewLine = pix.width() - (chSize.width() + xBorder); + int posLastLine = pix.height() - (chSize.height() + yBorder); + bool newLine = false; + Q_ASSERT( posNewLine > 0 ); + const QPixmap *fontPixmap = &(m_splitter->pixmap()); + + + for ( uint i = 0; i < text.length(); i++ ) + { + if ( x > posNewLine || newLine ) // start a new line? + { + x = xBorder; + y += yOffset; + + if ( y > posLastLine ) // more text than space + break; + + // after starting a new line, we also jump to the next + // physical newline in the file if we don't come from one + if ( !newLine ) + { + int pos = text.find( '\n', i ); + if ( pos > (int) i ) + i = pos +1; + } + + newLine = false; + } + + // check for newlines in the text (unix,dos) + QChar ch = text.at( i ); + if ( ch == '\n' ) + { + newLine = true; + continue; + } + else if ( ch == '\r' && text.at(i+1) == '\n' ) + { + newLine = true; + i++; // skip the next character (\n) as well + continue; + } + + rect = m_splitter->coordinates( ch ); + if ( !rect.isEmpty() ) + { + bitBlt( &pix, QPoint(x,y), fontPixmap, rect, Qt::CopyROP ); + } + + x += xOffset; // next character + } + + // very very seldom a babelfish lives in po files and even + // in this seldom cases they are usually hidden ;-) + if(pix.width() > 40 && KApplication::random()%2000 == 0) + { + QPixmap kbabelPix; + if(pix.width() < 80) + { + kbabelPix = KGlobal::iconLoader()->loadIcon("kbabel" + ,KIcon::Small,16,KIcon::DefaultState,0,true); + } + else if(pix.width() < 150) + { + kbabelPix = KGlobal::iconLoader()->loadIcon("kbabel" + ,KIcon::Desktop,32,KIcon::DefaultState,0,true); + } + else + { + kbabelPix = KGlobal::iconLoader()->loadIcon("kbabel" + ,KIcon::Desktop,48,KIcon::DefaultState,0,true); + } + + int x = pix.width()-kbabelPix.width()-4; + x = QMAX(x,0); + if(!kbabelPix.isNull()) + { + bitBlt(&pix, QPoint(x,4), &kbabelPix, kbabelPix.rect() + , Qt::CopyROP); + } + } + + img = pix.convertToImage(); + } + + return ok; +} + +ThumbCreator::Flags PoThumbCreator::flags() const +{ + return (Flags)(DrawFrame); +} + |