diff options
Diffstat (limited to 'tdm/kfrontend/themer/tdmpixmap.cpp')
-rw-r--r-- | tdm/kfrontend/themer/tdmpixmap.cpp | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/tdm/kfrontend/themer/tdmpixmap.cpp b/tdm/kfrontend/themer/tdmpixmap.cpp new file mode 100644 index 000000000..7a8d1a3d2 --- /dev/null +++ b/tdm/kfrontend/themer/tdmpixmap.cpp @@ -0,0 +1,340 @@ +/* + * Copyright (C) 2003 by Unai Garro <[email protected]> + * Copyright (C) 2004 by Enrico Ros <[email protected]> + * Copyright (C) 2004 by Stephan Kulow <[email protected]> + * Copyright (C) 2004 by Oswald Buddenhagen <[email protected]> + * + * 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. + */ + +#include <config.h> + +#include "tdmpixmap.h" +#include <tdmconfig.h> + +#include <kimageeffect.h> +#ifdef HAVE_LIBART +#include <ksvgiconengine.h> +#endif + +#include <kdebug.h> +#include <kstandarddirs.h> + +#include <tqfile.h> +#include <tqpainter.h> +#include <tqpixmap.h> +#include <tqimage.h> + +extern bool argb_visual_available; + +KdmPixmap::KdmPixmap( KdmItem *parent, const TQDomNode &node, const char *name ) + : KdmItem( parent, node, name ) +{ + itemType = "pixmap"; + + // Set default values for pixmap (note: strings are already Null) + pixmap.normal.tint.setRgb( 0x800000 ); + pixmap.normal.alpha = 0.0; + pixmap.active.present = false; + pixmap.prelight.present = false; + bool true_transparency = false; + + // Read PIXMAP ID + // it rarely happens that a pixmap can be a button too! + TQDomNode n = node; + TQDomElement elPix = n.toElement(); + + // Read PIXMAP TAGS + TQDomNodeList childList = node.childNodes(); + for (uint nod = 0; nod < childList.count(); nod++) { + TQDomNode child = childList.item( nod ); + TQDomElement el = child.toElement(); + TQString tagName = el.tagName(); + + if (tagName == "normal") { + pixmap.normal.fullpath = fullPath( el.attribute( "file", "" ) ); + parseColor( el.attribute( "tint", "#ffffff" ), pixmap.normal.tint ); + pixmap.normal.alpha = el.attribute( "alpha", "1.0" ).toFloat(); + + if (el.attribute( "file", "" ) == "@@@TDMBACKGROUND@@@") { + if ((_compositor.isEmpty()) || (!argb_visual_available)) { + // Software blend only (no compositing support) + // Use the preset TDM background... + KStandardDirs *m_pDirs = KGlobal::dirs(); + KSimpleConfig *config = new KSimpleConfig( TQFile::decodeName( _backgroundCfg ) ); + config->setGroup("Desktop0"); + pixmap.normal.fullpath = m_pDirs->findResource("wallpaper", config->readPathEntry("Wallpaper")); + // TODO: Detect when there is no wallpaper and use the background settings instead + delete config; + } + else { + true_transparency = true; + pixmap.normal.alpha = 0.0; + } + } + + } else if (tagName == "active") { + pixmap.active.present = true; + pixmap.active.fullpath = fullPath( el.attribute( "file", "" ) ); + parseColor( el.attribute( "tint", "#ffffff" ), pixmap.active.tint ); + pixmap.active.alpha = el.attribute( "alpha", "1.0" ).toFloat(); + } else if (tagName == "prelight") { + pixmap.prelight.present = true; + pixmap.prelight.fullpath = fullPath(el.attribute( "file", "" ) ); + parseColor( el.attribute( "tint", "#ffffff" ), pixmap.prelight.tint ); + pixmap.prelight.alpha = el.attribute( "alpha", "1.0" ).toFloat(); + } + } + + // look if we have to have the aspect ratio ready + if (((pos.wType == DTnone && pos.hType != DTnone) || + (pos.wType != DTnone && pos.hType == DTnone) || + (pos.wType == DTnone && pos.hType == DTnone)) && + !pixmap.normal.fullpath.endsWith( ".svg" )) + loadPixmap( &pixmap.normal ); +} + +TQSize +KdmPixmap::sizeHint() +{ + // choose the correct pixmap class + PixmapStruct::PixmapClass * pClass = &pixmap.normal; + if (state == Sactive && pixmap.active.present) + pClass = &pixmap.active; + if (state == Sprelight && pixmap.prelight.present) + pClass = &pixmap.prelight; + // use the pixmap size as the size hint + if (!pClass->pixmap.isNull()) + return pClass->pixmap.size(); + return KdmItem::sizeHint(); +} + +void +KdmPixmap::setGeometry( const TQRect &newGeometry, bool force ) +{ + KdmItem::setGeometry( newGeometry, force ); + pixmap.active.readyPixmap.resize( 0, 0 ); + pixmap.prelight.readyPixmap.resize( 0, 0 ); + pixmap.normal.readyPixmap.resize( 0, 0 ); +} + + +TQString +KdmPixmap::fullPath( const TQString &fileName) +{ + if (fileName.isEmpty()) + return TQString::null; + + TQString fullName = fileName; + if (fullName.at( 0 ) != '/') + fullName = baseDir() + "/" + fileName; + return fullName; +} + +void +KdmPixmap::renderSvg( PixmapStruct::PixmapClass *pClass, const TQRect &area ) +{ +#ifdef HAVE_LIBART + // Special stuff for SVG icons + KSVGIconEngine *svgEngine = new KSVGIconEngine(); + + if (svgEngine->load( area.width(), area.height(), pClass->fullpath )) { + TQImage *t = svgEngine->image(); + pClass->pixmap = *t; + pClass->readyPixmap.resize( 0, 0 ); + delete t; + } else { + kdWarning() << "failed to load " << pClass->fullpath << endl; + pClass->fullpath = TQString::null; + } + + delete svgEngine; +#else + Q_UNUSED(pClass); + Q_UNUSED(area); +#endif +} + +void +KdmPixmap::loadPixmap( PixmapStruct::PixmapClass *pClass ) +{ + TQString fullpath = pClass->fullpath; + + kdDebug() << timestamp() << " load " << fullpath << endl; + int index = fullpath.findRev('.'); + TQString ext = fullpath.right(fullpath.length() - index); + fullpath = fullpath.left(index); + kdDebug() << timestamp() << " ext " << ext << " " << fullpath << endl; + TQString testpath = TQString("-%1x%2").arg(area.width()).arg(area.height()) + ext; + kdDebug() << timestamp() << " testing for " << fullpath + testpath << endl; + if (KStandardDirs::exists(fullpath + testpath)) + pClass->pixmap.load(fullpath + testpath); + else + pClass->pixmap.load( fullpath + ext ); + kdDebug() << timestamp() << " done\n"; +} + +void +KdmPixmap::drawContents( TQPainter *p, const TQRect &r ) +{ + // choose the correct pixmap class + PixmapStruct::PixmapClass *pClass = &pixmap.normal; + if (state == Sactive && pixmap.active.present) + pClass = &pixmap.active; + if (state == Sprelight && pixmap.prelight.present) + pClass = &pixmap.prelight; + + kdDebug() << "draw " << id << " " << pClass->pixmap.isNull() << endl; + + if (pClass->pixmap.isNull()) { + if (pClass->fullpath.isEmpty()) // if neither is set, we're empty + return; + + if (!pClass->fullpath.endsWith( ".svg" ) ) { + loadPixmap(pClass); + } else { + kdDebug() << timestamp() << " renderSVG\n"; + renderSvg( pClass, area ); + kdDebug() << timestamp() << " done\n"; + } + } + + int px = area.left() + r.left(); + int py = area.top() + r.top(); + int sx = r.x(); + int sy = r.y(); + int sw = r.width(); + int sh = r.height(); + if (px < 0) { + px *= -1; + sx += px; + px = 0; + } + if (py < 0) { + py *= -1; + sy += py; + py = 0; + } + + + if (pClass->readyPixmap.isNull()) { + + bool haveTint = pClass->tint.rgb() != 0xFFFFFF; + bool haveAlpha = pClass->alpha < 1.0; + + TQImage scaledImage; + + // use the loaded pixmap or a scaled version if needed + + kdDebug() << timestamp() << " prepare readyPixmap " << pClass->fullpath << " " << area.size() << " " << pClass->pixmap.size() << endl; + if (area.size() != pClass->pixmap.size()) { + if (pClass->fullpath.endsWith( ".svg" )) { + kdDebug() << timestamp() << " renderSVG\n"; + renderSvg( pClass, area ); + scaledImage = pClass->pixmap.convertToImage(); + } else { + kdDebug() << timestamp() << " convertFromImage smoothscale\n"; + if (pClass->pixmap.isNull()) { + scaledImage = TQImage(); + } + else { + TQImage tempImage = pClass->pixmap.convertToImage(); + kdDebug() << timestamp() << " convertToImage done\n"; + scaledImage = tempImage.smoothScale( area.width(), area.height() ); + } + kdDebug() << timestamp() << " done\n"; + } + } else { + if (haveTint || haveAlpha) + { + scaledImage = pClass->pixmap.convertToImage(); + // enforce rgba values for the latter + if (!scaledImage.isNull()) scaledImage = scaledImage.convertDepth( 32 ); + } + else + pClass->readyPixmap = pClass->pixmap; + } + + if (haveTint || haveAlpha) { + // blend image(pix) with the given tint + + if (!scaledImage.isNull()) scaledImage = scaledImage.convertDepth( 32 ); + int w = scaledImage.width(); + int h = scaledImage.height(); + float tint_red = float( pClass->tint.red() ) / 255; + float tint_green = float( pClass->tint.green() ) / 255; + float tint_blue = float( pClass->tint.blue() ) / 255; + float tint_alpha = pClass->alpha; + + for (int y = 0; y < h; ++y) { + QRgb *ls = (QRgb *)scaledImage.scanLine( y ); + for (int x = 0; x < w; ++x) { + QRgb l = ls[x]; + int r = int( tqRed( l ) * tint_red ); + int g = int( tqGreen( l ) * tint_green ); + int b = int( tqBlue( l ) * tint_blue ); + int a = int( tqAlpha( l ) * tint_alpha ); + ls[x] = tqRgba( r, g, b, a ); + } + } + } + if ((_compositor.isEmpty()) || (!argb_visual_available)) { + // Software blend only (no compositing support) + } + else { + // We have a compositor! + // Apply the alpha in the same manner as above, exept we are now + // using the hardware blending engine for all painting + scaledImage = pClass->readyPixmap; + if (!scaledImage.isNull()) scaledImage = scaledImage.convertDepth( 32 ); + int w = scaledImage.width(); + int h = scaledImage.height(); + + for (int y = 0; y < h; ++y) { + QRgb *ls = (QRgb *)scaledImage.scanLine( y ); + for (int x = 0; x < w; ++x) { + QRgb l = ls[x]; + float alpha_adjust = (tqAlpha( l )/256.0); + int r = int( tqRed( l ) * alpha_adjust ); + int g = int( tqGreen( l ) * alpha_adjust ); + int b = int( tqBlue( l ) * alpha_adjust ); + int a = int( tqAlpha( l ) * 1 ); + ls[x] = tqRgba( r, g, b, a ); + } + } + } + + if (!scaledImage.isNull()) { + kdDebug() << timestamp() << " convertFromImage " << id << " " << area << endl; + pClass->readyPixmap.convertFromImage( scaledImage ); + } + } + kdDebug() << timestamp() << " Pixmap::drawContents " << pClass->readyPixmap.size() << " " << px << " " << py << " " << sx << " " << sy << " " << sw << " " << sh << endl; + p->drawPixmap( px, py, pClass->readyPixmap, sx, sy, sw, sh ); +} + +void +KdmPixmap::statusChanged() +{ + KdmItem::statusChanged(); + if (!pixmap.active.present && !pixmap.prelight.present) + return; + if ((state == Sprelight && !pixmap.prelight.present) || + (state == Sactive && !pixmap.active.present)) + return; + needUpdate(); +} + +#include "tdmpixmap.moc" |