Part 2 of prior commit

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 <ugarro@users.sourceforge.net>
+ *  Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
+ *  Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
+ *  Copyright (C) 2004 by Oswald Buddenhagen <ossi@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.
+ */
+
+#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"