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SquiggleDraw
kopia lustrzana https://github.com/gwygonik/SquiggleDraw
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Expose all tweakables 

Added sliders for wave frequency, image resolution re-scale, black
point, and white point.

Changed to ALPHA (gray) image instead of RGB to see if that saves
memory.
pull/4/head
gwygonik 2016-11-22 16:11:12 -08:00
rodzic 97d4876609
commit 33a3cdb710
1 zmienionych plików z 48 dodań i 10 usunięć
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58
SquiggleDraw.pde
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@ -18,9 +18,10 @@ PImage p1;
PImage p2;
int ystep = 160;//80;
int ymult = 6;//5;
int ystep = 160;
int ymult = 6;
int xstep = 3;
float xsmooth = 128.0;
int imageScaleUp = 3;
@ -31,6 +32,8 @@ int strokeWidth = 1;
float startx,starty;
int b,oldb;
int maxB = 255;
int minB = 0;
boolean isRunning = true;
boolean isRecording = false;
@ -58,10 +61,22 @@ void setup() {
gui.addSlider("sldXSpacing").setSize(130,30).setCaptionLabel("Detail").setPosition(10,200).setRange(1,30).setValue(28).setColorCaptionLabel(color(0));
gui.getController("sldXSpacing").getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE);
gui.addSlider("lineWidth").setSize(130,30).setCaptionLabel("Line Width").setPosition(10,260).setRange(1,10).setValue(5).setColorCaptionLabel(color(0));
gui.addSlider("sldXFrequency").setSize(130,30).setCaptionLabel("Frequency").setPosition(10,260).setRange(5.0,256.0).setValue(128.0).setColorCaptionLabel(color(0));
gui.getController("sldXFrequency").getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE);
gui.addSlider("sldImgScale").setSize(130,30).setCaptionLabel("Resolution Scale").setPosition(10,320).setRange(1,3).setValue(3).setColorCaptionLabel(color(0));
gui.getController("sldImgScale").getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE);
gui.addSlider("lineWidth").setSize(130,30).setCaptionLabel("Line Width").setPosition(10,380).setRange(1,10).setValue(5).setColorCaptionLabel(color(0));
gui.getController("lineWidth").getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE);
gui.addBang("bangSave").setSize(130,30).setCaptionLabel("Save SVG").setPosition(10,360).setColorCaptionLabel(color(255));
gui.addSlider("minBrightness").setSize(130,30).setCaptionLabel("Black Point").setPosition(10,440).setRange(0,255).setValue(0).setColorCaptionLabel(color(0));
gui.getController("minBrightness").getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE);
gui.addSlider("maxBrightness").setSize(130,30).setCaptionLabel("White Point").setPosition(10,500).setRange(0,255).setValue(255).setColorCaptionLabel(color(0));
gui.getController("maxBrightness").getCaptionLabel().align(ControlP5.LEFT, ControlP5.TOP_OUTSIDE);
gui.addBang("bangSave").setSize(130,30).setCaptionLabel("Save SVG").setPosition(10,600).setColorCaptionLabel(color(255));
gui.getController("bangSave").getCaptionLabel().align(ControlP5.CENTER, ControlP5.CENTER);
smooth();
@ -82,7 +97,7 @@ void loadMainImage(String inImageName) {
}
void createSecondaryImage() {
p2 = createImage(p1.width*imageScaleUp,p1.height*imageScaleUp,RGB);
p2 = createImage(p1.width*imageScaleUp,p1.height*imageScaleUp,ALPHA);
p2.copy(p1,0,0,p1.width,p1.height,0,0,p1.width*imageScaleUp,p1.height*imageScaleUp);
}
@ -125,18 +140,19 @@ void createPic() {
a = 0.0;
startx = 0;
b = (int)brightness(p2.get(1,y));
b = (int)alpha(p2.get(1,y));
float z = 255.0-b;
r = 5;
starty = y + sin(a)*r;
liner.vertex(startx,starty);
for (int x = 0;x<p2.width;x+=xstep) {
b = (int)brightness(p2.get(x,y));
z = max(250.0-b,0);
for (int x = 1;x<p2.width;x+=xstep) {
b = (int)alpha(p2.get(x,y));
b = max(minB,b);
z = max(maxB-b,0);
r = z/ystep*ymult;
a += z/128.0;
a += z/xsmooth;
liner.vertex(x,y+sin(a)*r);
}
liner.endShape();
@ -177,12 +193,34 @@ void lineWidth(int value) {
redrawImage();
}
void maxBrightness(int value) {
maxB = value;
redrawImage();
}
void minBrightness(int value) {
minB = value;
redrawImage();
}
void bangSave() {
isRecording = true;
isRunning = true;
redraw();
}
void sldXFrequency(float value) {
xsmooth = 257.0 - value;
needsReload = false;
redrawImage();
}
void sldImgScale(int value) {
imageScaleUp = value;
needsReload = true;
redrawImage();
}
void redrawImage() {
isRunning = true;
isRecording = false;