Hi Dimitry,
I was wondering about your layout/routing algorithm for the DOT program
output.
http://j2k.sourceforge.net/docs/example/classVectorialImageFileIOStream.html
http://j2k.sourceforge.net/docs/example/classJFileInStream.html
i.e. The way you draw arrows and box: positionate them, draw them.
I was reading your source code (diagram.* dot.*)
bool TreeDiagram::layoutTree(DiagramItem *root,int r);
void TreeDiagram::moveChildren(DiagramItem *root,int dx);
void TreeDiagram::computeLayout();
uint TreeDiagram::computeRows();
void TreeDiagram::computeExtremes(uint *maxLabelLen,uint *maxXPos);
I'm just wondering what are the "strict" dependancies on those...
Also, I wanted to add SVG output support via
1) external SVG files (instead of PNG)
2) ActiveX embedded SVG within html (for ASV3 and ASV6pr1)
[ Adobe SVG Viewer http://www.adobe.com/svg/ ]
Looking at the doxygen source doxygened callgraphs,
modifying diagram/dot/image should probably be sufficient,
but I would like to make a patch and submitted to you,
so others can benefit from it.
It's not hard at all to have SVG, it's just a question of duplicating the
code
and make the appropriate changes... see below.
I'm just confuse where what is what and what is needed to perform things
to translate layout into JavaScript, the overall minimal Qt infrastructure
for those class was translatate in JS, including a good part of them.
Here some SVG possible things to do:
void ClassDiagram::writeImage(QTextStream &t,const char *path,
const char *fileName, bool generateMap)
{
uint baseRows=base->computeRows();
uint superRows=super->computeRows();
uint rows=baseRows+superRows-1;
uint lb,ls,xb,xs;
base->computeExtremes(&lb,&xb);
super->computeExtremes(&ls,&xs);
uint cellWidth = QMAX(lb,ls)+labelHorMargin*2;
uint maxXPos = QMAX(xb,xs);
uint labelVertMargin = 6; //QMAX(6,(cellWidth-fontHeight)/6); // aspect at
least 1:3
uint cellHeight = labelVertMargin*2+fontHeight;
uint imageWidth = (maxXPos+gridWidth)*cellWidth/gridWidth+
(maxXPos*labelHorSpacing)/gridWidth;
uint imageHeight = rows*cellHeight+(rows-1)*labelVertSpacing;
Image image(imageWidth,imageHeight);
base->drawBoxes(t,&image,TRUE,TRUE,baseRows,superRows,cellWidth,cellHeight,generateMap);
super->drawBoxes(t,&image,FALSE,TRUE,baseRows,superRows,cellWidth,cellHeight,generateMap);
base->drawConnectors(t,&image,TRUE,TRUE,baseRows,superRows,cellWidth,cellHeight);
super->drawConnectors(t,&image,FALSE,TRUE,baseRows,superRows,cellWidth,cellHeight);
image.save((QCString)path+'/'+fileName+'.png');
if (generateMap) t << '</map>' << endl;
}
I want to add embedded html inlined <svg> diagrams output instead of png.
image->fillRect(x+1,y+1,w-2,h-2,colFill,mask);
image->drawRect(x,y,w,h,colBorder,mask);
image->writeString(x+(w-l)/2, y+(h-fontHeight)/2, di->label(),1);
For instance get transformed into:
See the following SVG documentation
http://www.w3.org/TR/SVG/shapes.html#RectElement
http://www.w3.org/TR/SVG/text.html#TextElement
char[] getHexRGBColor( uchar color )
{
char buffer[8];
Color c = palette2[ color ];
snprintf( buffer, 8, "%.2x%.2x%.2x", c.red, c.green, c.blue );
return buffer;
}
snprintf( buffer, BUFFER_SIZE,
"<svg:rect x='%d' y='%d' width='%d' height='%d' fill='#%s' mask='%s'
stroke='#%s' />",
x+1,y+1,w-2,h-2, getHexRGBColor( colFill ),mask, getHexRGBColor( colBorder )
);
snprintf( buffer, BUFFER_SIZE,
"<svg:text x='%d' y='%d' fill='#%s'>%s</text>",
x+(w-l)/2, y+(h-fontHeight)/2, getHexRGBColor( 1 ), di->label() );
another way would be to have:
void Image::setPixel(int x,int y,uchar val)
{
if (x>=0 && x<width && y>=0 && y<height)
data[y*width+x] = val;
}
being:
char[] Image::putPixel(int x,int y,uchar val)
{
char buffer[100];
snprintf( buffer, 100,
"<svg:rect x='%5d' y='%5d' width='1' height='1' fill='#%s'/>\n",
x, y, getHexRGBColor( val )
);
return buffer;
}
Image::Image(int w,int h)
{
printSvgHeader( w, h );
}
char[] printSvgHeader( int w, int h)
{
char buffer[400];
snprintf( buffer, 400,
"\n <svg:svg xmlns='http://www.w3.org/2000/svg'
xmlns:xlink='http://www.w3.org/1999/xlink' "
"\n width='%5d' height='%5d' enableZoomAndPanControls='false' "
"\n style=' font-family: \"Ms Sans Serif\"; font-weight: normal; font-size:
9pt; fill: black; "
"shape-rendering: optimizeSpeed; text-rendering: optimizeLegibility; ' "
">", w, h );
return buffer;
}
char* printSvgFooter()
{
return "\n</svg:svg>\n";
}
char[] printHtmlHeader()
{
char buffer[600];
snprintf( buffer, 600,
"<?xml version='1.0' encoding='iso-8859-1'?> "
"\n<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN'
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'> "
"\n<html "
"\n xmlns:svg='http://www.w3.org/2000/svg' "
"\n xmlns='http://www.w3.org/1999/xhtml' "
"\n xml:lang='en' lang='en'> "
"\n<head><!-- ASV6pr1 ActiveX entry tag -->"
"\n<object id='AdobeSVG'
classid='clsid:78156a80-c6a1-4bbf-8e6a-3cd390eeb4e2'></object>"
"\n<?import namespace='svg' implementation='#AdobeSVG'?> "
"\n</head>"
"\n<body>"
);
return buffer;
}
If you were kind enough to give me some hint,
I would really appreciate.
Fred 'diving into Doxygen source' P.
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