media @ VU
proto-slide-element-channel.vr
proto-slide-element-channel.vr
(wrl
)
[ flux /
bitmanagement /
cortona /
octaga
]
channel
Web3D/VR
include
##proto @vr-proto-slide-element-line.wrl
##proto @vr-proto-slide-element-image.wrl
##proto @vr-proto-slide-element-vrml.wrl
##proto @vr-proto-slide-element-text.wrl
##proto @vr-proto-slide-element-break.wrl
##proto @vr-proto-slide-element-bullet.wrl
##proto @vr-proto-slide-element-nesting.wrl
##proto @vr-proto-slide-element-block.wrl
text
PROTO TextBlock [
exposedField SFString blockType "TEXTBLOCK"
exposedField SFBool warnOnSize FALSE
field SFFloat width 25 ## AE
field SFFloat height 15
eventOut SFFloat realHeight
exposedField SFVec3f location 0 0 0
exposedField SFRotation rotation 0 1 0 0
exposedField SFVec3f scale 1 1 1 ## AE
exposedField SFBool absolute FALSE
##exposedField SFString url "image.gif"
exposedField SFString url ""
exposedField SFInt32 bgType 0
eventIn SFColor color
eventIn SFFloat alpha
exposedField SFColor bgColor 0 0 1
exposedField SFFloat bgTransparency 0.5
eventIn SFInt32 showLevel
exposedField SFInt32 lastLevel -1
eventIn SFTime startTime
eventIn SFTime stopTime
exposedField MFNode elements []
] {
body
Transform {
translation IS location
rotation IS rotation
scale IS scale
children [
DEF BOXTRANSFORM Transform {
translation 0 0 -1
scale 1.1 1 1
}
DEF TRANSFORM Transform {
children [
DEF GROUP Group {}
]
}
]
}
script
DEF SCRIPT Script {
mustEvaluate TRUE
directOutput TRUE
eventIn SFColor color IS color
eventIn SFFloat alpha IS alpha
eventIn SFTime startTime IS startTime
eventIn SFTime stopTime IS stopTime
field MFNode back NULL
field SFNode me USE SCRIPT
field SFNode groupNode USE GROUP
field SFNode transform USE TRANSFORM
field SFNode boxTransform USE BOXTRANSFORM
field SFFloat width IS width
field SFFloat height IS height
eventOut SFFloat realHeight IS realHeight
field SFInt32 lastLevel IS lastLevel
eventOut SFInt32 lastLevel_changed IS lastLevel
field MFNode elements IS elements
field SFString xurl IS url
field SFInt32 bgType IS bgType
field SFColor bgColor IS bgColor
field SFFloat bgTransparency IS bgTransparency
eventIn SFInt32 layoutLevel IS showLevel
field SFInt32 currentLevel -1
field SFBool absolute IS absolute
functions
url "javascript:
function initialize() {
// Setup translation so (0,0) is in left/top corner
if (!absolute) transform.translation = new SFVec3f(-width/2,height/2,0);
countLevels();
layoutLevel(0,0);
var bgBox;
// Setup backgroundBox to be size widthXheight
if ( bgType == 0 ) {
bgBox = Browser.createVrmlFromString(' Shape { appearance Appearance { material Material { diffuseColor 0 0 0 specularColor 0 0 0 emissiveColor ' + bgColor + ' transparency ' + bgTransparency + ' } } geometry Box { size ' + width + ' ' + height + ' 0.01 } } ');
} else if ( bgType == 1 ) {
bgBox = Browser.createVrmlFromString(' Shape { appearance Appearance { material Material { diffuseColor 0 0 0 specularColor 0 0 0 emissiveColor ' + bgColor + ' transparency ' + bgTransparency + ' } texture ImageTexture { url \"' + xurl + '\" } } geometry Box { size ' + width + ' ' + height + ' 0.01 } } ');
} else if ( bgType == 2 ) {
bgBox = Browser.createVrmlFromString(' Shape { appearance Appearance { material Material { diffuseColor 0 0 0 specularColor 0 0 0 emissiveColor ' + bgColor + ' transparency ' + bgTransparency + ' } texture DEF MOVIE MovieTexture { loop TRUE url \"' + xurl + '\" } } geometry Box { size ' + width + ' ' + height + ' 0.01 } } Sound { source USE MOVIE } ');
} else if ( bgType == 3 ) {
bgBox = Browser.createVrmlFromString(' slide-vcr { video \"' + xurl + '\" size ' + width + ' ' + height + ' 0.1 }');
}
back = bgBox;
boxTransform.children = bgBox;
// boxTransform.scale = new SFVec3f(width,height,1);
}
color
function color(value) {
bgColor = value;
back[0].appearance.material.emissiveColor = value;
//print('bgcolor ' + value);
}
function alpha(value) {
bgTransparency = value;
back[0].appearance.material.transparency = value;
//print('alpha ' + value);
}
function startTime(value) {
if (bgType == 3) back[0].startTime = value;
}
function stopTime(value) {
if (bgType == 3) back[0].stopTime = value;
}
levels
function countLevels() {
var i = 0;
var last = -1;
for(i=0;i<elements.length;i++) {
if(elements[i].startLevel != -1) {
if(elements[i].startLevel > last) {
last = elements[i].startLevel;
}
}
if(elements[i].endLevel != -1) {
if(elements[i].endLevel > last) {
last = elements[i].endLevel;
}
}
}
//lastLevel = -1;
lastLevel = last;
lastLevel_changed = last;
}
layout
function layoutLevel(level,time) {
if(level==currentLevel) {
if (bgType == 3) {
bgBox.stopTime = Browser.getTime();
}
return;
}
currentLevel = level;
var nodes = getNodesForLevel(level);
var block = new MFNode();
var nesting = 0;
var i = 0;
var j = 0;
var n = 0;
var x = 0.0;
var y = -1.0; // need proper initialize !
var first = 0;
for(i=0;i<nodes.length;i++) {
if(nodes[i].elementType == 'NESTING' ) {
nesting = nesting + nodes[i].nesting;
if(first==n) {
x = nesting;
}
} else if(nodes[i].linebreak) {
if(first!=n && block[first].justify[0]!='BEGIN') {
var delta = width - x;
if(block[first].justify[0]=='MIDDLE') {
delta = delta / 2;
}
if(delta > 0) {
for(j=first;j<n;j++) {
if (!block[j].absolute) {
block[j].position[0] += delta;
}
}
}
}
//x = 0;
x = nesting;
y = y - nodes[i].height;
first = n;
} else {
if(x > width) {
x = 0;
y = y - block[n-1].height;
first = n;
}
//}
if (!nodes[i].absolute) {
nodes[i].position[0] = x;
nodes[i].position[1] = y;
}
block[n] = nodes[i];
n = n + 1;
if(block[n-1].elementType == 'TEXTELEMENT') {
if((x + block[n-1].width) > width) {
block[n-1] = copyTextElement(block[n-1]);
}
while((x + block[n-1].width) > width) {
var tail = splitLine(block[n-1],width-x);
x = x + block[n-1].width;
if(first!=n && block[first].justify[0]!='BEGIN') {
var delta = width - x;
if(block[first].justify[0]=='MIDDLE') {
delta = delta / 2;
}
if(delta > 0) {
for(j=first;j<n;j++) {
block[j].position[0] += delta;
}
}
}
//x = 0;
x = nesting;
y = y - tail.height;
tail.position[0] = x;
tail.position[1] = y;
block[n] = tail;
first = n;
n = n + 1;
}
}
x = x + block[n-1].width;
}
} //?
if(first!=n && block[first].justify[0]!='BEGIN') {
var delta = width - x;
if(block[first].justify[0]=='MIDDLE') {
delta = delta / 2;
}
if(delta > 0) {
for(j=first;j<n;j++) {
block[j].position[0] += delta;
}
}
}
groupNode.children = block;
}
function getNodesForLevel(level) {
var block = new MFNode();
var i = 0;
var n = 0;
for(i=0;i= level) ) {
if(elements[i].elementType == 'BLOCKELEMENT' ) {
elements[i].showLevel = level;
block[n] = elements[i];
} else {
block[n] = elements[i];
}
n = n + 1;
}
}
return block;
}
copy elements
function copyTextElement(line) {
var copy = Browser.createVrmlFromString(' TextElement { bgTransparency '+ line.bgTransparency + ' bgColor ' + line.bgColor + ' } ');
copy[0].height = line.height;
copy[0].linebreak = line.linebreak;
copy[0].nochange = line.nochange;
copy[0].color = line.color;
copy[0].alpha = line.alpha;
copy[0].justify = line.justify;
copy[0].family = line.family;
copy[0].style = line.style;
copy[0].position = line.position;
copy[0].width = line.width;
copy[0].string[0] = line.string[0];
return copy[0];
}
function splitLine(line,maxWidth) {
if (line.nochange) return line;
// print('input char= '+line.string[0].length+' width= '+line.width+' '+line.string[0]);
// print('Should be splitting now...');
var tail = Browser.createVrmlFromString(' TextElement { bgTransparency '+ line.bgTransparency + ' bgColor ' + line.bgColor + ' } ');
// tail[0].bgTransparency = line.bgTransparency;
// tail[0].bgColor = line.bgColor;
tail[0].height = line.height;
tail[0].linebreak = line.linebreak;
tail[0].color = line.color;
tail[0].justify = line.justify;
tail[0].family = line.family;
tail[0].style = line.style;
var fraction = maxWidth/line.width;
var characters = Math.floor(fraction*line.string[0].length);
characters = characters + 3;
while(line.string[0].charAt(characters) != ' ' &&
characters > 0) characters--;
fraction = characters/line.string[0].length;
tail[0].width = line.width - fraction * line.width;
line.width = line.width - tail[0].width;
tail[0].string[0] =
line.string[0].substring(characters+1,
line.string[0].length);
line.string[0] = line.string[0].substring(0,characters+1);
// print('characters = '+characters);
// print('line char= '+line.string[0].length+' width= '+line.width+' ' + line.string[0]);
// print('tail char= '+tail[0].string[0].length+' width= '+tail[0].width+' ' + tail[0].string[0]);
return tail[0];
}
"
}
}
(C) A. Eliëns
21/5/2007
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
