vmario
/
polargraphcontroller
mirror of https://github.com/euphy/polargraphcontroller
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
polargraphcontroller/DisplayMachine.pde

653 lines
19 KiB
Plaintext
Raw Blame History

/**
Polargraph controller
Copyright Sandy Noble 2012.
This file is part of Polargraph Controller.
Polargraph Controller 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 3 of the License, or
(at your option) any later version.
Polargraph Controller 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 Polargraph Controller. If not, see <http://www.gnu.org/licenses/>.
Requires the excellent ControlP5 GUI library available from http://www.sojamo.de/libraries/controlP5/.
Requires the excellent Geomerative library available from http://www.ricardmarxer.com/geomerative/.
This is an application for controlling a polargraph machine, communicating using ASCII command language over a serial link.
sandy.noble@gmail.com
http://www.polargraph.co.uk/
http://code.google.com/p/polargraph/
*/
class DisplayMachine extends Machine
{
private Rectangle outline = null;
private float scaling = 1.0;
private Scaler scaler = null;
private PVector offset = null;
private float imageTransparency = 1.0;
private Set<PVector> extractedPixels = new HashSet<PVector>(0);
PImage scaledImage = null;
private PVector currentPixel = null;
public DisplayMachine(Machine m, PVector offset, float scaling)
{
// construct
super(m.getWidth(), m.getHeight(), m.getMMPerRev(), m.getStepsPerRev());
super.machineSize = m.machineSize;
super.page = m.page;
super.imageFrame = m.imageFrame;
super.pictureFrame = m.pictureFrame;
super.imageBitmap = m.imageBitmap;
super.imageFilename = m.imageFilename;
super.stepsPerRev = m.stepsPerRev;
super.mmPerRev = m.mmPerRev;
super.mmPerStep = m.mmPerStep;
super.stepsPerMM = m.stepsPerMM;
super.maxLength = m.maxLength;
super.gridSize = m.gridSize;
this.offset = offset;
this.scaling = scaling;
this.scaler = new Scaler(scaling, 100.0);
this.outline = null;
}
public Rectangle getOutline()
{
outline = new Rectangle(offset, new PVector(sc(super.getWidth()), sc(super.getHeight())));
return this.outline;
}
private Scaler getScaler()
{
if (scaler == null)
this.scaler = new Scaler(getScaling(), getMMPerStep());
return scaler;
}
public void setScale(float scale)
{
this.scaling = scale;
this.scaler = new Scaler(scale, getMMPerStep());
}
public float getScaling()
{
return this.scaling;
}
public float sc(float val)
{
return getScaler().scale(val);
}
public void setOffset(PVector offset)
{
this.offset = offset;
}
public PVector getOffset()
{
return this.offset;
}
public void setImageTransparency(float trans)
{
this.imageTransparency = trans;
}
public int getImageTransparency()
{
float f = 255.0 * this.imageTransparency;
f += 0.5;
int result = (int) f;
return result;
}
public PVector getCurrentPixel()
{
return this.currentPixel;
}
public void setCurrentPixel(PVector p)
{
this.currentPixel = p;
}
public void loadNewImageFromFilename(String filename)
{
super.loadImageFromFilename(filename);
super.sizeImageFrameToImageAspectRatio();
this.setExtractedPixels(new HashSet<PVector>(0));
}
public final int DROP_SHADOW_DISTANCE = 4;
public String getZoomText()
{
NumberFormat nf = NumberFormat.getNumberInstance(Locale.UK);
DecimalFormat df = (DecimalFormat)nf;
df.applyPattern("###");
String zoom = df.format(scaling * 100) + "% zoom";
return zoom;
}
public String getDimensionsAsText(Rectangle r)
{
return getDimensionsAsText(r.getSize());
}
public String getDimensionsAsText(PVector p)
{
String dim = inMM(p.x) + " x " + inMM(p.y) + "mm";
return dim;
}
public void drawForSetup()
{
// work out the scaling factor.
noStroke();
// draw machine outline
// drop shadow
fill(80);
rect(getOutline().getLeft()+DROP_SHADOW_DISTANCE, getOutline().getTop()+DROP_SHADOW_DISTANCE, getOutline().getWidth(), getOutline().getHeight());
fill(getMachineColour());
rect(getOutline().getLeft(), getOutline().getTop(), getOutline().getWidth(), getOutline().getHeight());
text("machine " + getDimensionsAsText(getSize()) + " " + getZoomText(), getOutline().getLeft(), getOutline().getTop());
if (displayingGuides)
{
// draw some guides
stroke(getGuideColour());
strokeWeight(1);
// centre line
line(getOutline().getLeft()+(getOutline().getWidth()/2), getOutline().getTop(),
getOutline().getLeft()+(getOutline().getWidth()/2), getOutline().getBottom());
// page top line
line(getOutline().getLeft(), getOutline().getTop()+sc(getHomePoint().y),
getOutline().getRight(), getOutline().getTop()+sc(getHomePoint().y));
}
// draw page
fill(getPageColour());
rect(getOutline().getLeft()+sc(getPage().getLeft()),
getOutline().getTop()+sc(getPage().getTop()),
sc(getPage().getWidth()),
sc(getPage().getHeight()));
text("page " + getDimensionsAsText(getPage()), getOutline().getLeft()+sc(getPage().getLeft()),
getOutline().getTop()+sc(getPage().getTop()));
fill(0);
text("offset " + getDimensionsAsText(getPage().getPosition()),
getOutline().getLeft()+sc(getPage().getLeft()),
getOutline().getTop()+sc(getPage().getTop())+10);
noFill();
// draw home point
noFill();
strokeWeight(5);
stroke(0, 128);
PVector onScreen = scaleToScreen(inMM(getHomePoint()));
ellipse(onScreen.x, onScreen.y, 15, 15);
strokeWeight(2);
stroke(255);
ellipse(onScreen.x, onScreen.y, 15, 15);
text("Home point", onScreen.x+ 15, onScreen.y-5);
text(int(inMM(getHomePoint().x)+0.5) + ", " + int(inMM(getHomePoint().y)+0.5), onScreen.x+ 15, onScreen.y+15);
if (displayingGuides
&& getOutline().surrounds(getMouseVector())
&& currentMode != MODE_MOVE_IMAGE
&& mouseOverControls().isEmpty()
)
{
drawHangingStrings();
drawLineLengthTexts();
cursor(CROSS);
}
else
{
cursor(ARROW);
}
}
public void drawLineLengthTexts()
{
PVector actual = inMM(asNativeCoords(inSteps(scaleToDisplayMachine(getMouseVector()))));
PVector cart = scaleToDisplayMachine(getMouseVector());
NumberFormat nf = NumberFormat.getNumberInstance(Locale.UK);
DecimalFormat df = (DecimalFormat)nf;
df.applyPattern("###.#");
text("Line 1: " + df.format(actual.x) + "mm", getDisplayMachine().getOutline().getLeft()+10, getDisplayMachine().getOutline().getTop()+18);
text("Line 2: " + df.format(actual.y) + "mm", getDisplayMachine().getOutline().getLeft()+10, getDisplayMachine().getOutline().getTop()+28);
text("X Position: " + df.format(cart.x) + "mm", getDisplayMachine().getOutline().getLeft()+10, getDisplayMachine().getOutline().getTop()+42);
text("Y Position: " + df.format(cart.y) + "mm", getDisplayMachine().getOutline().getLeft()+10, getDisplayMachine().getOutline().getTop()+52);
}
public void draw()
{
// work out the scaling factor.
noStroke();
// draw machine outline
// fill(80);
// rect(getOutline().getLeft()+DROP_SHADOW_DISTANCE, getOutline().getTop()+DROP_SHADOW_DISTANCE, getOutline().getWidth(), getOutline().getHeight());
fill(getMachineColour());
rect(getOutline().getLeft(), getOutline().getTop(), getOutline().getWidth(), getOutline().getHeight());
if (displayingGuides)
{
// draw some guides
stroke(getGuideColour());
strokeWeight(1);
// centre line
line(getOutline().getLeft()+(getOutline().getWidth()/2), getOutline().getTop(),
getOutline().getLeft()+(getOutline().getWidth()/2), getOutline().getBottom());
// page top line
line(getOutline().getLeft(), getOutline().getTop()+sc(getHomePoint().y),
getOutline().getRight(), getOutline().getTop()+sc(getHomePoint().y));
}
// draw page
fill(getPageColour());
rect(getOutline().getLeft()+sc(getPage().getLeft()),
getOutline().getTop()+sc(getPage().getTop()),
sc(getPage().getWidth()),
sc(getPage().getHeight()));
text("page " + getDimensionsAsText(getPage()), getOutline().getLeft()+sc(getPage().getLeft()),
getOutline().getTop()+sc(getPage().getTop())-3);
noFill();
// draw actual image
if (displayingImage && imageIsReady())
{
float ox = getOutline().getLeft()+sc(getImageFrame().getLeft());
float oy = getOutline().getTop()+sc(getImageFrame().getTop());
float w = sc(getImageFrame().getWidth());
float h = sc(getImageFrame().getHeight());
tint(255, getImageTransparency());
image(getImage(), ox, oy, w, h);
noTint();
strokeWeight(1);
stroke(150, 150, 150, 40);
rect(ox, oy, w-1, h-1);
fill(150, 150, 150, 40);
text("image", ox, oy-3);
noFill();
}
stroke(getBackgroundColour(),150);
strokeWeight(3);
noFill();
rect(getOutline().getLeft()-2, getOutline().getTop()-2, getOutline().getWidth()+3, getOutline().getHeight()+3);
stroke(getMachineColour(),150);
strokeWeight(3);
noFill();
rect(getOutline().getLeft()+sc(getPage().getLeft())-2,
getOutline().getTop()+sc(getPage().getTop())-2,
sc(getPage().getWidth())+4,
sc(getPage().getHeight())+4);
if (displayingSelectedCentres)
{
drawExtractedPixelCentres();
}
if (displayingDensityPreview)
{
drawExtractedPixelDensities();
}
if (displayingGuides)
{
drawPictureFrame();
}
if (displayingVector && getVectorShape() != null)
{
displayVectorImage();
}
if (displayingGuides
&& getOutline().surrounds(getMouseVector())
&& currentMode != MODE_MOVE_IMAGE
&& mouseOverControls().isEmpty()
)
{
drawHangingStrings();
drawRows();
cursor(CROSS);
}
else
{
cursor(ARROW);
}
}
public void displayVectorImage()
{
RPoint[][] pointPaths = getVectorShape().getPointsInPaths();
RG.ignoreStyles();
stroke(1);
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, (vectorScaling/100));
p = PVector.add(p, getVectorPosition());
if (getPage().surrounds(inSteps(p)))
{
p = scaleToScreen(p);
stroke(0);
vertex(p.x, p.y);
ellipse(p.x, p.y, 3, 3);
}
}
endShape();
}
}
}
}
// this scales a value from the screen to be a position on the machine
/** Given a point on-screen, this works out where on the
actual machine it refers to.
*/
public PVector scaleToDisplayMachine(PVector screen)
{
// offset
float x = screen.x - getOffset().x;
float y = screen.y - getOffset().y;
// transform
float scalingFactor = 1.0/getScaling();
x = scalingFactor * x;
y = scalingFactor * y;
// and out
PVector mach = new PVector(x, y);
return mach;
}
/** This works out the position, on-screen of a specific point on the machine.
Both values are cartesian coordinates.
*/
public PVector scaleToScreen(PVector mach)
{
// transform
float x = mach.x * scaling;
float y = mach.y * scaling;
// offset
x = x + getOffset().x;
y = y + getOffset().y;
// and out!
PVector screen = new PVector(x, y);
return screen;
}
// converts a cartesian coord into a native one
public PVector convertToNative(PVector cart)
{
// width of machine in mm
float width = inMM(super.getWidth());
// work out distances
float a = dist(0, 0, cart.x, cart.y);
float b = dist(width, 0, cart.x, cart.y);
// and out
PVector nativeMM = new PVector(a, b);
return nativeMM;
}
void drawPictureFrame()
{
strokeWeight(1);
PVector topLeft = scaleToScreen(inMM(getPictureFrame().getTopLeft()));
PVector botRight = scaleToScreen(inMM(getPictureFrame().getBotRight()));
stroke (getFrameColour());
// top left
line(topLeft.x-4, topLeft.y, topLeft.x-10, topLeft.y);
line(topLeft.x, topLeft.y-4, topLeft.x, topLeft.y-10);
// top right
line(botRight.x+4, topLeft.y, botRight.x+10, topLeft.y);
line(botRight.x, topLeft.y-4, botRight.x, topLeft.y-10);
// bot right
line(botRight.x+4, botRight.y, botRight.x+10, botRight.y);
line(botRight.x, botRight.y+4, botRight.x, botRight.y+10);
// bot left
line(topLeft.x-4, botRight.y, topLeft.x-10, botRight.y);
line(topLeft.x, botRight.y+4, topLeft.x, botRight.y+10);
stroke(255);
// float width = inMM(getPictureFrame().getBotRight().x - getPictureFrame().getTopLeft().x);
// println("width: "+ width);
}
public void drawHangingStrings()
{
// hanging strings
strokeWeight(4);
stroke(255, 255, 255, 64);
line(getOutline().getLeft(), getOutline().getTop(), mouseX, mouseY);
line(getOutline().getRight(), getOutline().getTop(), mouseX, mouseY);
}
/** This draws on screen, showing an arc highlighting the row that the mouse
is on.
*/
public void drawRows()
{
PVector mVect = getMouseVector();
// scale it to find out the coordinates on the machine that the mouse is pointing at.
mVect = scaleToDisplayMachine(mVect);
// convert it to the native coordinates system
mVect = convertToNative(mVect);
// snap it to the grid
mVect = snapToGrid(mVect, getGridSize());
// scale it back to find out how to represent this on-screen
mVect = scaleToScreen(mVect);
// and finally, because scaleToScreen also allows for the machine position (offset), subtract it.
mVect.sub(getOffset());
float rowThickness = inMM(getGridSize()) * getScaling();
rowThickness = (rowThickness < 1.0) ? 1.0 : rowThickness;
strokeWeight(rowThickness);
stroke(150, 200, 255, 50);
strokeCap(SQUARE);
float dia = mVect.x*2;
arc(getOutline().getLeft(), getOutline().getTop(), dia, dia, 0, 1.57079633);
dia = mVect.y*2;
arc(getOutline().getRight(), getOutline().getTop(), dia, dia, 1.57079633, 3.14159266);
}
void drawExtractedPixelCentres()
{
for (PVector cartesianPos : getExtractedPixels())
{
// scale em, danno.
PVector scaledPos = scaleToScreen(cartesianPos);
strokeWeight(1);
stroke(255, 0, 0, 128);
noFill();
line(scaledPos.x-1, scaledPos.y-1, scaledPos.x+1, scaledPos.y+1);
line(scaledPos.x-1, scaledPos.y+1, scaledPos.x+1, scaledPos.y-1);
}
}
void drawExtractedPixelDensities()
{
float pixelSize = inMM(getGridSize()) * getScaling();
pixelSize = (pixelSize < 1.0) ? 1.0 : pixelSize;
pixelSize = pixelSize * getPixelScalingOverGridSize();
if (getExtractedPixels() != null)
{
for (PVector cartesianPos : getExtractedPixels())
{
if ((cartesianPos.z <= pixelExtractBrightThreshold) && (cartesianPos.z >= pixelExtractDarkThreshold))
{
// scale em, danno.
PVector scaledPos = scaleToScreen(cartesianPos);
noStroke();
fill(cartesianPos.z);
switch (getDensityPreviewStyle())
{
case DENSITY_PREVIEW_ROUND:
previewRoundPixel(scaledPos, pixelSize, pixelSize);
break;
case DENSITY_PREVIEW_DIAMOND:
previewDiamondPixel(scaledPos, pixelSize, pixelSize, cartesianPos.z);
break;
default:
previewRoundPixel(scaledPos, pixelSize, pixelSize);
break;
}
}
}
}
noFill();
}
void previewDiamondPixel(PVector pos, float wide, float high, float brightness)
{
wide*=1.4;
high*=1.4;
// shall I try and draw a diamond here instead? OK! I'll do it! Ha!
float halfWidth = wide / 2.0;
float halfHeight = high / 2.0;
fill(0,0,0, 255-brightness);
quad(pos.x, pos.y-halfHeight, pos.x+halfWidth, pos.y, pos.x, pos.y+halfHeight, pos.x-halfWidth, pos.y);
}
void previewNativePixel(PVector pos, float wide, float high)
{
// shall I try and draw a diamond here instead? OK! I'll do it! Ha!
float halfWidth = wide / 2.0;
float halfHeight = high / 2.0;
quad(pos.x, pos.y-halfHeight, pos.x+halfWidth, pos.y, pos.x, pos.y+halfHeight, pos.x-halfWidth, pos.y);
}
void previewRoundPixel(PVector pos, float wide, float high)
{
ellipse(pos.x, pos.y, wide*1.1, high*1.1);
}
color getPixelAtScreenCoords(PVector pos)
{
pos = scaleToDisplayMachine(pos);
pos = inSteps(pos);
float scalingFactor = getImage().width / getImageFrame().getWidth();
color col = super.getPixelAtMachineCoords(pos, scalingFactor);
return col;
}
Set<PVector> getExtractedPixels()
{
return this.extractedPixels;
}
void setExtractedPixels(Set<PVector> p)
{
this.extractedPixels = p;
}
/* This will return a list of pixels that are included in the area in the
parameter. All coordinates are for the screen.
*/
Set<PVector> getPixelsPositionsFromArea(PVector p, PVector s, float rowSize)
{
extractPixelsFromArea(p, s, rowSize, 0.0);
return getExtractedPixels();
}
public void extractPixelsFromArea(PVector p, PVector s, float rowSize, float sampleSize)
{
// get the native positions from the superclass
Set<PVector> nativePositions = super.getPixelsPositionsFromArea(inSteps(p), inSteps(s), rowSize, sampleSize);
// work out the cartesian positions
Set<PVector> cartesianPositions = new HashSet<PVector>(nativePositions.size());
for (PVector nativePos : nativePositions)
{
// convert to cartesian
PVector displayPos = super.asCartesianCoords(nativePos);
displayPos = inMM(displayPos);
displayPos.z = nativePos.z;
cartesianPositions.add(displayPos);
}
setExtractedPixels(cartesianPositions);
}
public Set<PVector> extractNativePixelsFromArea(PVector p, PVector s, float rowSize, float sampleSize)
{
// get the native positions from the superclass
Set<PVector> nativePositions = super.getPixelsPositionsFromArea(inSteps(p), inSteps(s), rowSize, sampleSize);
return nativePositions;
}
protected PVector snapToGrid(PVector loose, float rowSize)
{
PVector snapped = inSteps(loose);
snapped = super.snapToGrid(snapped, rowSize);
snapped = inMM(snapped);
return snapped;
}
public boolean pixelsCanBeExtracted()
{
if (super.getImage() == null)
return false;
else
return true;
}
}
Reference in New Issue View Git Blame Copy Permalink