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Vector scaling now scales from centre of shape (rather than handle) and

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handle for grabbing is also now in the centre of the shape.  Makes a bit
more sense.  Have also added a pixel previewing mechanism into the queue
preview, but not sure if that's a good idea or not.
This commit is contained in:
Sandy Noble 2013-03-20 14:15:06 +00:00
parent a2fa25cfaa
commit 6376efc12b
5 changed files with 91 additions and 40 deletions
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10
DisplayMachine.pde
View File

@ -368,12 +368,20 @@ class DisplayMachine extends Machine
p = scaleToScreen(p);
stroke(0);
vertex(p.x, p.y);
ellipse(p.x, p.y, 3, 3);
//ellipse(p.x, p.y, 3, 3);
}
}
endShape();
}
}
// draw spot at centre
PVector centroid = new PVector(getVectorShape().width/2, getVectorShape().height/2);
centroid = PVector.mult(centroid, (vectorScaling/100));
centroid = PVector.add(centroid, getVectorPosition());
centroid = scaleToScreen(centroid);
fill(255,0,0,128);
ellipse(centroid.x, centroid.y, 20,20);
noFill();
}
}

23
controlsActions.pde
View File

@ -173,8 +173,9 @@ void button_mode_renderCirclePixel()
void button_mode_renderVectors()
{
// turn off vector view and turn queue preview on
minitoggle_mode_showVector(false);
//minitoggle_mode_showVector(false);
minitoggle_mode_showQueuePreview(true);
println("here");
sendVectorShapes();
}
@ -388,7 +389,27 @@ void numberbox_mode_resizeImage(float value)
void numberbox_mode_resizeVector(float value)
{
// get current size of vector in local coordinates
PVector oldVectorSize = new PVector(getVectorShape().width, getVectorShape().height);
oldVectorSize = PVector.mult(oldVectorSize, (vectorScaling/100));
// and current centre point of vector
PVector oldCentroid = new PVector(oldVectorSize.x / 2.0, oldVectorSize.y / 2.0);
// get newly scaled size of vector
PVector newVectorSize = new PVector(getVectorShape().width, getVectorShape().height);
newVectorSize = PVector.mult(newVectorSize, (value/100));
// and new centre point of vector
PVector newCentroid = new PVector(newVectorSize.x / 2.0, newVectorSize.y / 2.0);
// difference is current centre minus new centre
PVector difference = PVector.sub(oldCentroid, newCentroid);
// add difference onto vector position
PVector newVectorPosition = PVector.add(vectorPosition, difference);
vectorPosition = newVectorPosition;
vectorScaling = value;
}
void toggle_mode_moveVector(boolean flag)
{

4
controlsSetup.pde
View File

@ -423,9 +423,9 @@ Map<String, Controller> initialiseNumberboxValues(Map<String, Controller> map)
}
else if (MODE_RESIZE_VECTOR.equals(key))
{
n.setDecimalPrecision(0);
n.setDecimalPrecision(1);
n.setValue(vectorScaling);
n.setMin(1);
n.setMin(0.1);
n.setMax(1000);
n.setMultiplier(0.5);
}

27
drawing.pde
View File

@ -638,9 +638,12 @@ void sendOutlineOfBox()
void sendVectorShapes()
{
println("Send vector shapes.");
RPoint[][] pointPaths = getVectorShape().getPointsInPaths();
String command = "";
PVector lastPoint = new PVector();
boolean liftToGetToNewPoint = true;
// go through and get each path
for (int i = 0; i<pointPaths.length; i++)
@ -648,7 +651,6 @@ void sendVectorShapes()
if (pointPaths[i] != null)
{
boolean firstPointFound = false;
PVector lastPoint = null;
List<PVector> filteredPoints = filterPoints(pointPaths[i], VECTOR_FILTER_LOW_PASS, minimumVectorLineLength);
//println(filteredPoints);
@ -656,12 +658,26 @@ void sendVectorShapes()
{
// draw the first one with a pen up and down to get to it
PVector p = filteredPoints.get(0);
// pen UP!
addToCommandQueue(CMD_PENUP+"END");
if (
p.x == lastPoint.x
&& p.y == lastPoint.y
// p.x <= lastPoint.x+2
// && p.x >= lastPoint.x-2
// && p.y <= lastPoint.y+2
// && p.y >= lastPoint.y-2
)
liftToGetToNewPoint = false;
else
liftToGetToNewPoint = true;
// pen UP! (IF THE NEW POINT IS DIFFERENT FROM THE LAST ONE!)
if (liftToGetToNewPoint)
addToCommandQueue(CMD_PENUP+"END");
// move to this point and put the pen down
command = CMD_CHANGELENGTHDIRECT+(int)p.x+","+(int)p.y+","+getMaxSegmentLength()+",END";
addToCommandQueue(command);
addToCommandQueue(CMD_PENDOWN+"END");
if (liftToGetToNewPoint)
addToCommandQueue(CMD_PENDOWN+"END");
// then just iterate through the rest
for (int j=1; j<filteredPoints.size(); j++)
@ -670,7 +686,10 @@ void sendVectorShapes()
command = CMD_CHANGELENGTHDIRECT+(int)p.x+","+(int)p.y+","+getMaxSegmentLength()+",END";
addToCommandQueue(command);
}
lastPoint = new PVector(p.x,p.y);
}
}
}
println("finished.");

67
polargraphcontroller.pde
View File

@ -46,8 +46,8 @@ import controlP5.*;
import java.awt.event.*;
int majorVersionNo = 1;
int minorVersionNo = 2;
int buildNo = 5;
int minorVersionNo = 3;
int buildNo = 0;
String programTitle = "Polargraph Controller v" + majorVersionNo + "." + minorVersionNo + " build " + buildNo;
ControlP5 cp5;
@ -794,8 +794,13 @@ void drawMoveImageOutline()
{
RPoint[][] pointPaths = getVectorShape().getPointsInPaths();
RG.ignoreStyles();
stroke(1);
stroke(100);
strokeWeight(1);
// offset mouse vector so it grabs the centre of the shape
PVector centroid = new PVector(getVectorShape().width/2, getVectorShape().height/2);
centroid = PVector.mult(centroid, (vectorScaling/100));
PVector offsetMouseVector = PVector.sub(getDisplayMachine().scaleToDisplayMachine(getMouseVector()), centroid);
if (pointPaths != null)
{
for (int i = 0; i<pointPaths.length; i++)
@ -807,9 +812,8 @@ void drawMoveImageOutline()
{
PVector p = new PVector(pointPaths[i][j].x, pointPaths[i][j].y);
p = PVector.mult(p, (vectorScaling/100));
p = PVector.add(p, getDisplayMachine().scaleToDisplayMachine(getMouseVector()));
p = PVector.add(p, offsetMouseVector);
p = getDisplayMachine().scaleToScreen(p);
stroke(0);
vertex(p.x, p.y);
}
endShape();
@ -1421,8 +1425,11 @@ void mouseClicked()
}
else if (currentMode.equals(MODE_MOVE_VECTOR))
{
PVector mVect = getDisplayMachine().scaleToDisplayMachine(getMouseVector());
vectorPosition = mVect;
// offset mouse vector so it grabs the centre of the shape
PVector centroid = new PVector(getVectorShape().width/2, getVectorShape().height/2);
centroid = PVector.mult(centroid, (vectorScaling/100));
PVector offsetMouseVector = PVector.sub(getDisplayMachine().scaleToDisplayMachine(getMouseVector()), centroid);
vectorPosition = offsetMouseVector;
}
else if (mouseOverQueue())
{
@ -1564,8 +1571,9 @@ void setChromaKey(PVector p)
boolean isPreviewable(String command)
{
if ((command.startsWith(CMD_CHANGELENGTHDIRECT)
|| command.startsWith(CMD_CHANGELENGTH)))
if (command.startsWith(CMD_CHANGELENGTHDIRECT)
|| command.startsWith(CMD_CHANGELENGTH)
|| command.startsWith(CMD_DRAWPIXEL))
{
return true;
}
@ -1583,31 +1591,13 @@ void previewQueue()
{
PVector startPoint = null;
// if (!commandHistory.isEmpty())
// {
// Integer commandPosition = commandHistory.size()-1;
// String lastCommand = "";
// while (commandPosition>=0)
// {
// lastCommand = commandHistory.get(commandPosition);
// if (isPreviewable(lastCommand))
// {
// String[] splitted = split(lastCommand, ",");
// fullList.add(splitted);
//// fullList.add(lastCommand);
// break;
// }
// commandPosition--;
// }
// }
if (commandQueue.hashCode() != lastCommandQueueHash)
{
println("regenerating preview queue.");
previewCommandList.clear();
for (String command : commandQueue)
{
if ((command.startsWith(CMD_CHANGELENGTHDIRECT) || command.startsWith(CMD_CHANGELENGTH)))
if (command.startsWith(CMD_CHANGELENGTHDIRECT) || command.startsWith(CMD_CHANGELENGTH) || command.startsWith(CMD_DRAWPIXEL))
{
String[] splitted = split(command, ",");
@ -1623,14 +1613,17 @@ void previewQueue()
pv.x = endPoint.x;
pv.y = endPoint.y;
pv.z = -1.0;
if (command.startsWith(CMD_DRAWPIXEL))
{
String densStr = splitted[4];
pv.z = Integer.parseInt(densStr);
}
previewCommandList.add(pv);
}
}
lastCommandQueueHash = commandQueue.hashCode();
}
@ -1654,6 +1647,15 @@ void previewQueue()
stroke(200,0,0);
line(startPoint.x, startPoint.y, p.x, p.y);
startPoint = p;
if (pv.z >= 0.0)
{
noStroke();
fill(255,pv.z,pv.z);
ellipse(p.x, p.y, 5,5);
noFill();
}
}
if (startPoint != null)
@ -1663,6 +1665,7 @@ void previewQueue()
ellipse(startPoint.x, startPoint.y, 15,15);
noFill();
}
}
boolean isHiddenPixel(PVector p)