diff options
Diffstat (limited to 'noatun/modules/kjofol-skin/kjfont.cpp')
| -rw-r--r-- | noatun/modules/kjofol-skin/kjfont.cpp | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/noatun/modules/kjofol-skin/kjfont.cpp b/noatun/modules/kjofol-skin/kjfont.cpp new file mode 100644 index 00000000..df2abed3 --- /dev/null +++ b/noatun/modules/kjofol-skin/kjfont.cpp @@ -0,0 +1,290 @@ +/*************************************************************************** + kjfont.cpp + -------------------------------------- + Font-Handling of KJöfol + Creates pixmaps of strings using the supplied font-pixmap + -------------------------------------- + Maintainer: Stefan Gehn <sgehn@gmx.net> + + ***************************************************************************/ + +#include "kjfont.h" +#include "kjloader.h" +#include "kjwidget.h" +#include "kjprefs.h" + +#include <kdebug.h> +#include <kglobalsettings.h> + +#include <qimage.h> +#include <qpainter.h> + +/******************************************* + * KJFont + *******************************************/ + +KJFont::KJFont(const QString &prefix, KJLoader *parent) : mTextMask(0), mTransparentRGB(0) +{ +// kdDebug(66666) << "KJFont::KJFont(const QString &prefix, KJLoader *parent)" << prefix.latin1() << endl; + + if (prefix=="timefont") + { + mString[0]="0123456789: "; + mString[1]=mString[2]=""; + mNullChar=' '; + } + else if ( (prefix=="volumefont") || (prefix=="pitchfont") ) + { + mString[0]="0123456789% "; + mString[1]=mString[2]=""; + mNullChar=' '; + } + else + { + mString[0]="abcdefghijklmnopqrstuvwxyz\"@"; + mString[1]="0123456789;_:()-'!_+\\/[]*&%.=$#"; + mString[2]="åöä?*, "; + mNullChar=' '; + } + + mText = parent->pixmap(parent->item(prefix+"image")[1]); + + if ( parent->exist(prefix+"size") ) + { + mWidth = parent->item(prefix+"size")[1].toInt(); + mHeight = parent->item(prefix+"size")[2].toInt(); + } + else // try to load the font even we are missing important settings + { // this still can cause crashes! + kdDebug(66666) << "font height/width missing, this skin might crash noatun!" << endl; + + mWidth = mText.width() / strlen(mString[0]); + + if ( (prefix=="timefont") || (prefix=="volumefont") || (prefix=="pitchfont") ) + mHeight = mText.height(); + else + mHeight = mText.height()/3; + } + +// kdDebug(66666) << prefix << " h: " << mHeight << " w: " << mWidth << endl; + + // fix for wrong numbers in rc (a skin named steelforged needs that) + if ( mHeight > mText.height() ) + mHeight = mText.height(); + + // Stupid Skin authors tend to forget keys :/ + if ( parent->exist(prefix+"spacing") ) + mSpacing = parent->item(prefix+"spacing")[1].toInt(); + else + mSpacing = 0; // FIXME: What's default for this in kjöfol??? + + if ( parent->exist(prefix+"transparent") ) + mTransparent = (bool)parent->item(prefix+"transparent")[1].toInt(); + else + mTransparent = true; // transparency seems to be default in kjöfol + + // define color in font that will be transparent later on + if ( mTransparent ) + { + QImage ibackground = mText.convertToImage(); + mTransparentRGB = ibackground.pixel( ibackground.width()-1, ibackground.height()-1 ); +// kdDebug(66666) << "color (" << qRed(mTransparentRGB) << "," << qGreen(mTransparentRGB) << "," << qBlue(mTransparentRGB) << ") will be transparent for " << prefix.latin1() << endl; + mTextMask = KJWidget::getMask(ibackground,mTransparentRGB); + } + + mUseSysFont = KJLoader::kjofol->prefs()->useSysFont(); + sysFontMetrics = 0L; + if (mUseSysFont) + recalcSysFont(); +} + +void KJFont::recalcSysFont(void) +{ +// kdDebug(66666) << k_funcinfo << "called." << endl; + + mUseSysFont = KJLoader::kjofol->prefs()->useSysFont(); + if (!mUseSysFont) + return; + sysFont = QFont(KJLoader::kjofol->prefs()->sysFont()); + sysFont.setStyleStrategy( QFont::NoAntialias ); + if ( sysFontMetrics ) + delete sysFontMetrics; + sysFontColor = KJLoader::kjofol->prefs()->sysFontColor(); + +// kdDebug(66666) << "mHeight=" << mHeight << endl; + + int fSize; + for(fSize = mHeight; fSize>=4; fSize--) + { + sysFont.setPixelSize ( fSize ); + sysFontMetrics = new QFontMetrics(sysFont); +// kdDebug(66666) << "wanted fSize=" << fSize << ", metric h=" << sysFontMetrics->height() << endl; + // either found a small enough font or found no proper font at all + if ( sysFontMetrics->height() <= mHeight || fSize==4 ) + { +// kdDebug(66666) << "stopping @ fSize=" << fSize << ", metric h=" << sysFontMetrics->height() << endl; + return; + } + delete sysFontMetrics; + } +} + +QPixmap KJFont::draw(const QCString &str, int wide, const QPoint &pos) const +{ + if ( mUseSysFont ) + return drawSysFont(str,wide,pos); + else + return drawPixmapFont(str,wide,pos); +} + +QPixmap KJFont::drawSysFont(const QCString &s, int wide, const QPoint &pos) const +{ +// kdDebug(66666) << k_funcinfo << "BEGIN, s='" << s << "'" << endl; + QPoint to(pos); + QString string(s); + + int stringWidth = sysFontMetrics->width( string ); +// kdDebug(66666) << "final metrics; w=" << stringWidth << ", h=" << sysFontMetrics->height() << endl; + + QPixmap region( + (stringWidth > wide ? stringWidth : wide), + mHeight); + QPainter rp(®ion); // region painter + + QBitmap regionMask( + (stringWidth > wide ? stringWidth : wide), + mHeight, true); // fully transparent mask + QPainter mp(®ionMask); // mask painter + +// kdDebug(66666) << "region; w=" << region.width() << ", h=" << region.height() << endl; + + int freeSpace=0; + // center string into pixmap if its chars won't fill the whole pixmap + if ( stringWidth < wide ) + { + freeSpace = wide - stringWidth; + mp.fillRect ( to.x(), 0, (freeSpace/2), mHeight, Qt::color0 ); + to += QPoint ( (freeSpace/2), 0 ); +// kdDebug(66666) << "centering text, freeSpace=" << freeSpace << endl; + } + + rp.setFont(sysFont); + rp.setPen(sysFontColor); + rp.drawText(to.x(), to.y(), region.width()-freeSpace, mHeight, Qt::AlignLeft|Qt::AlignTop, string); + + mp.setFont(sysFont); + mp.setPen(Qt::color1); + mp.drawText(to.x(), to.y(), region.width()-freeSpace, mHeight, Qt::AlignLeft|Qt::AlignTop, string); + + to += QPoint(region.width()-freeSpace,0); +// kdDebug(66666) << "text width=" << region.width()-freeSpace << endl; + + if (freeSpace > 0) + { + mp.fillRect ( to.x(), 0, (freeSpace/2), mHeight, Qt::color0 ); + to += QPoint ( (freeSpace/2), 0 ); +// kdDebug(66666) << "centering text, freeSpace=" << freeSpace << endl; + } + + region.setMask( regionMask ); +// kdDebug(66666) << "width: " << wide << "|end after drawing: " << to.x() << endl; +// kdDebug(66666) << k_funcinfo << "END" << endl << endl; + return region; +} + +QPixmap KJFont::drawPixmapFont(const QCString &str, int wide, const QPoint &pos) const +{ +// kdDebug(66666) << k_funcinfo << "BEGIN" << endl; + QPoint to(pos); + + QCString string = str.lower(); + QPixmap region( + (string.length()*mWidth+string.length()*mSpacing > (unsigned int)wide + ? string.length()*mWidth+string.length()*mSpacing : wide), + mHeight); + + QBitmap regionMask( + (string.length()*mWidth+string.length()*mSpacing > (unsigned int)wide + ? string.length()*mWidth+string.length()*mSpacing : wide), + mHeight, true); // fully transparent mask + QPainter mask( ®ionMask ); + +// kdDebug(66666) << "draw: {" << str << "}" << endl; + + int freeSpace=0; + // center string into pixmap if its chars won't fill the whole pixmap + if ( string.length()*mWidth+string.length()*mSpacing < (unsigned int)wide ) + { + freeSpace = wide - string.length()*mWidth+string.length()*mSpacing; + mask.fillRect ( to.x(), 0, (freeSpace/2), mHeight, Qt::color0 ); + to += QPoint ( (freeSpace/2), 0 ); + } + +// kdDebug(66666) << k_funcinfo << "pixmap width=" << region.width() << endl; + + // draw every char and add spacing in between these chars if defined + unsigned int stringLength(string.length()); + for ( unsigned int charPos=0; charPos < stringLength; charPos++ ) + { + char c = string[charPos]; // the character to be drawn next + + drawCharacter(®ion, ®ionMask, to, c); + to += QPoint(mWidth, 0); + + // draw according to "spacing" + if ( (charPos < string.length()-1) && mSpacing > 0 ) + { // make the spacing-area transparent + mask.fillRect ( to.x(), 0, mSpacing, mHeight, Qt::color0 ); + to += QPoint ( mSpacing, 0 ); + } + } + + if (freeSpace > 0) + { + mask.fillRect ( to.x(), 0, (freeSpace/2), mHeight, Qt::color0 ); + to += QPoint ( (freeSpace/2), 0 ); + } + + region.setMask( regionMask ); +// kdDebug(66666) << "width: " << wide << "|end after drawing: " << to.x() << endl; + return region; +} + +void KJFont::drawCharacter(QPixmap *dev, QBitmap *devMask, const QPoint &to, char c) const +{ + QPoint src=charSource(c); + int x=src.x(); + int y=src.y(); + int xs=mWidth; + int ys=mHeight; + + bitBlt(dev, to, &mText, QRect(x,y,xs,ys), Qt::CopyROP); + + // bitBlt mask for transparency + if ( mTransparent ) + { + bitBlt(devMask, to, &mTextMask, QRect(x,y,xs,ys), Qt::OrROP); + } + else // fill mask + { + QPainter tempPainter (devMask); + tempPainter.fillRect ( to.x(), 0, xs,ys, Qt::color1 ); + } +} + +// needed for strchr +#include <string.h> + +// searches for top/left coordinate of a given character inside the font-pixmap +QPoint KJFont::charSource(char c) const +{ + for (int i=0; i<3; i++) + { + const char *pos = strchr(mString[i], c); + + if (!pos) continue; + return QPoint(mWidth*((int)(pos-mString[i])), mHeight*i); + } + + return charSource(mNullChar); +} |