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Extracting captured image, tracing and isolation. Not completed writing to command queue yet, not decided how to scale it / place it quite yet.

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This commit is contained in:
Sandy Noble 2013-03-30 14:10:12 +00:00
parent 3b7695fe50
commit b37421b03b
5 changed files with 102 additions and 59 deletions
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100
DisplayMachine.pde
View File

@ -352,37 +352,27 @@ class DisplayMachine extends Machine
noStroke();
// draw machine outline
liveImage = webcam_buildLiveImage();
processedLiveImage = webcam_processImageForTrace(liveImage);
colourSeparations = webcam_buildSeps(processedLiveImage, sepKeyColour);
webcamShape = webcam_traceImage(colourSeparations);
if (drawingLiveVideo)
{
displayLiveVideo();
}
if (displayingVector && getVectorShape() != null)
if (drawingWebcamShape && webcamShape != null)
{
displayVectorImage(color(200));
}
if (displayingGuides
&& getOutline().surrounds(getMouseVector())
&& currentMode != MODE_MOVE_IMAGE
&& mouseOverControls().isEmpty()
)
{
cursor(CROSS);
}
else
{
cursor(ARROW);
displayWebcamShape();
}
}
public void displayLiveVideo()
{
buildLiveImage();
// draw actual image, full size in centre of page
if (liveImage != null)
// draw actual image, maximum size
if (processedLiveImage != null)
{
float ox = getPanel(PANEL_NAME_WEBCAM).getOutline().getRight()+7;
float oy = getPanel(PANEL_NAME_GENERAL).getOutline().getTop();
@ -398,7 +388,8 @@ class DisplayMachine extends Machine
tint(255, getImageTransparency());
translate(ox, oy+h);
rotate(radians(270));
image(liveImage, 0, 0, h, w);
image(processedLiveImage, 0, 0, h, w);
image(liveImage, h-(h/4), w+10, h/4, w/4);
rotate(radians(-270));
translate(-ox, -(oy+h));
noTint();
@ -406,27 +397,63 @@ class DisplayMachine extends Machine
}
}
public void buildLiveImage()
public void displayWebcamShape()
{
liveCamera.update();
liveImage = createImage(640,480, RGB);
liveImage.loadPixels();
// rotate it
liveImage.pixels = liveCamera.image();
liveImage.filter(BLUR, blurValue);
liveImage.filter(GRAY);
liveImage.filter(POSTERIZE, posterizeValue);
liveImage.updatePixels();
strokeWeight(1);
if (captureShape != null)
{
stroke(150);
displayWebcamShapeAtFullSize(webcamShape);
stroke(255);
displayWebcamShapeAtFullSize(captureShape);
}
else
{
stroke(255);
displayWebcamShapeAtFullSize(webcamShape);
}
}
public void displayWebcamShapeAtFullSize(RShape vec)
{
RG.ignoreStyles();
// work out scaling to make it full size on the screen
float aspectRatio = vec.getWidth()/vec.getHeight(); // rotated, remember
float h = height - getPanel(PANEL_NAME_GENERAL).getOutline().getTop() -10;
float w = h * aspectRatio;
float scaler = h / vec.getHeight();
PVector position = new PVector(getPanel(PANEL_NAME_WEBCAM).getOutline().getRight()+7, height -10);
RPoint[][] pointPaths = vec.getPointsInPaths();
if (pointPaths != null)
{
for(int i = 0; i<pointPaths.length; i++)
{
if (pointPaths[i] != null)
{
beginShape();
for (int j = 0; j<pointPaths[i].length; j++)
{
PVector p = new PVector(pointPaths[i][j].x, pointPaths[i][j].y);
p = PVector.mult(p, scaler);
p = PVector.add(p, position);
vertex(p.x, p.y);
}
endShape();
}
}
}
}
public void displayVectorImage()
{
displayVectorImage(color(0,0,0));
displayVectorImage(getVectorShape(), color(0,0,0), true);
}
public void displayVectorImage(int strokeColour)
public void displayVectorImage(RShape vec, int strokeColour, boolean drawCentroid)
{
RPoint[][] pointPaths = getVectorShape().getPointsInPaths();
RPoint[][] pointPaths = vec.getPointsInPaths();
RG.ignoreStyles();
strokeWeight(1);
if (pointPaths != null)
@ -452,8 +479,10 @@ class DisplayMachine extends Machine
endShape();
}
}
if (drawCentroid)
{
// draw spot at centre
PVector centroid = new PVector(getVectorShape().width/2, getVectorShape().height/2);
PVector centroid = new PVector(vec.width/2, vec.height/2);
centroid = PVector.mult(centroid, (vectorScaling/100));
centroid = PVector.add(centroid, getVectorPosition());
centroid = scaleToScreen(centroid);
@ -462,6 +491,7 @@ class DisplayMachine extends Machine
noFill();
}
}
}
// this scales a value from the screen to be a position on the machine

7
controlsActions.pde
View File

@ -122,7 +122,12 @@ void numberbox_mode_livePosteriseValue(int value)
}
void button_mode_liveCaptureFromLive()
{
addToCommandQueue(CMD_SETPENLIFTRANGE+penLiftDownPosition+","+penLiftUpPosition+",END");
webcam_captureCurrentImage();
}
void button_mode_liveConfirmDraw()
{
sendVectorShapes(captureShape);
}

3
controlsSetup.pde
View File

@ -703,6 +703,7 @@ List<String> getControlNamesForWebcamPanel()
controlNames.add(MODE_LIVE_SIMPLIFICATION_VALUE);
controlNames.add(MODE_LIVE_POSTERISE_VALUE);
controlNames.add(MODE_LIVE_CAPTURE_FROM_LIVE);
controlNames.add(MODE_LIVE_CONFIRM_DRAW);
return controlNames;
}
@ -904,6 +905,7 @@ Map<String, String> buildControlLabels()
result.put(MODE_LIVE_SIMPLIFICATION_VALUE, "Simplify");
result.put(MODE_LIVE_POSTERISE_VALUE, "Posterise");
result.put(MODE_LIVE_CAPTURE_FROM_LIVE, "Capture");
result.put(MODE_LIVE_CONFIRM_DRAW, "Draw capture");
return result;
@ -1034,6 +1036,7 @@ Set<String> buildControlNames()
result.add(MODE_LIVE_SIMPLIFICATION_VALUE);
result.add(MODE_LIVE_POSTERISE_VALUE);
result.add(MODE_LIVE_CAPTURE_FROM_LIVE);
result.add(MODE_LIVE_CONFIRM_DRAW);
return result;
}

17
drawing.pde
View File

@ -638,11 +638,15 @@ void sendOutlineOfBox()
}
void sendVectorShapes()
{
sendVectorShapes(getVectorShape());
}
void sendVectorShapes(RShape vec)
{
println("Send vector shapes.");
RPoint[][] pointPaths = getVectorShape().getPointsInPaths();
RPoint[][] pointPaths = vec.getPointsInPaths();
String command = "";
PVector lastPoint = new PVector();
@ -661,14 +665,7 @@ void sendVectorShapes()
{
// draw the first one with a pen up and down to get to it
PVector p = filteredPoints.get(0);
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
)
if ( p.x == lastPoint.x && p.y == lastPoint.y )
liftToGetToNewPoint = false;
else
liftToGetToNewPoint = true;

18
polargraphcontroller_webcam.pde
View File

@ -310,6 +310,7 @@ static final String MODE_LIVE_BLUR_VALUE = "numberbox_mode_liveBlurValue";
static final String MODE_LIVE_SIMPLIFICATION_VALUE = "numberbox_mode_liveSimplificationValue";
static final String MODE_LIVE_POSTERISE_VALUE = "numberbox_mode_livePosteriseValue";
static final String MODE_LIVE_CAPTURE_FROM_LIVE = "button_mode_liveCaptureFromLive";
static final String MODE_LIVE_CONFIRM_DRAW = "button_mode_liveConfirmDraw";
PVector statusTextPosition = new PVector(300.0, 12.0);
@ -448,17 +449,24 @@ boolean overwriteExistingStoreFile = true;
public static Console console;
public boolean useWindowedConsole = false;
static boolean drawingLiveVideo = true;
static boolean drawingLiveVideo = false;
static boolean drawingWebcamShape = true;
static PImage liveImage = null;
static PImage processedLiveImage = null;
static PImage capturedImage = null;
static PImage processedCapturedImage = null;
JMyron liveCamera;
BlobDetector blob_detector;
int liveSimplification = 0;
int liveSimplification = 2;
int blurValue = 1;
int posterizeValue = 6;
Set<Integer> colours = null;
List<Integer> colourList = null;
int posterizeValue = 8;
int sepKeyColour = color(0, 0, 255);
Map<Integer, PImage> colourSeparations = null;
RShape webcamShape = null;
RShape captureShape = null;
void setup()
{