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Merge pull request #74 from bitwig/nick-fix-controller-light-feedback
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Implement getVisualState for launchpad buttons
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@NickJAllen
NickJAllen authored Jan 12, 2024
2 parents 92d2be5 + 5a8eeb9 commit 0eaa01d
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Showing 2 changed files with 222 additions and 55 deletions.
175 changes: 146 additions & 29 deletions src/main/java/com/bitwig/extensions/controllers/novation/commonsmk3/ColorLookup.java
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Original file line number Diff line number Diff line change
@@ -1,85 +1,126 @@
package com.bitwig.extensions.controllers.novation.commonsmk3;

public class ColorLookup {
import com.bitwig.extension.api.Color;

public class ColorLookup
{
private static final Hsb BLACK_HSB = new Hsb(0, 0, 0);

public static int toColor(final float r, final float g, final float b) {
final int rv = (int) Math.floor(r * 255);
final int gv = (int) Math.floor(g * 255);
final int bv = (int) Math.floor(b * 255);
if (rv < 10 && gv < 10 && bv < 10) {
public static int toColor(final Color color)
{
if (color == null || color.getAlpha() == 0)
return 0;

return toColor((float)color.getRed(), (float)color.getGreen(), (float)color.getBlue());
}

public static int toColor(final float r, final float g, final float b)
{
final int rv = (int)Math.floor(r * 255);
final int gv = (int)Math.floor(g * 255);
final int bv = (int)Math.floor(b * 255);
if (rv < 10 && gv < 10 && bv < 10)
{
return 0; // black
} else if (rv > 230 && gv > 230 && bv > 230) {
}
else if (rv > 230 && gv > 230 && bv > 230)
{
return 3; // white
} else if (rv == gv && bv == gv) {
}
else if (rv == gv && bv == gv)
{
final int bright = rv >> 4;
if (bright > 7) {
if (bright > 7)
{
return 2; // gray
} else {
}
else
{
return 1;
}
} else {
}
else
{
final Hsb hsb = ColorLookup.rgbToHsb(rv, gv, bv);
int hueInd = hsb.hue > 6 ? hsb.hue - 1 : hsb.hue;
hueInd = Math.min(13, hueInd);
int color = 5 + hueInd * 4 + 1;
if (hsb.sat < 8) {
if (hsb.sat < 8)
{
color -= 2;
} else if (hsb.bright <= 8) {
}
else if (hsb.bright <= 8)
{
color += 2;
}
//return color;
// return color;
return adjust(color);
}
}

private static int adjust(final int c) {
private static int adjust(final int c)
{
final int rst = (c - 2) % 4;
if (rst == 0) {
if (rst == 0)
{
return c - 1;
}
return c;
}

public static Hsb rgbToHsb(final float rv, final float gv, final float bv) {
private static Hsb rgbToHsb(final float rv, final float gv, final float bv)
{
final float rgb_max = Math.max(Math.max(rv, gv), bv);
final float rgb_min = Math.min(Math.min(rv, gv), bv);
final int bright = (int) rgb_max;
if (bright == 0) {
final int bright = (int)rgb_max;
if (bright == 0)
{
return BLACK_HSB; // Black
}
final int sat = (int) (255 * (rgb_max - rgb_min) / bright);
if (sat == 0) {
final int sat = (int)(255 * (rgb_max - rgb_min) / bright);
if (sat == 0)
{
return BLACK_HSB; // White
}
float hue;
if (rgb_max == rv) {
if (rgb_max == rv)
{
hue = 0 + 43 * (gv - bv) / (rgb_max - rgb_min);
} else if (rgb_max == gv) {
}
else if (rgb_max == gv)
{
hue = 85 + 43 * (bv - rv) / (rgb_max - rgb_min);
} else {
}
else
{
hue = 171 + 43 * (rv - gv) / (rgb_max - rgb_min);
}
if (hue < 0) {
if (hue < 0)
{
hue = 256 + hue;
}
return new Hsb((int) Math.floor(hue / 16.0 + 0.3), sat >> 4, bright >> 4);
return new Hsb((int)Math.floor(hue / 16.0 + 0.3), sat >> 4, bright >> 4);
}

public static class Hsb {
public static class Hsb
{
public final int hue;

public final int sat;

public final int bright;

public Hsb(final int hue, final int sat, final int bright) {
public Hsb(final int hue, final int sat, final int bright)
{
super();
this.hue = hue;
this.sat = sat;
this.bright = bright;
}

@Override
public String toString() {
public String toString()
{
final StringBuilder sb = new StringBuilder("Hsb{");
sb.append("hue=").append(hue);
sb.append(", sat=").append(sat);
Expand All @@ -89,4 +130,80 @@ public String toString() {
}
}

public static Color colorIndexToApiColor(final int colorIndex)
{
if (colorIndex >= 0 && colorIndex < PALETTE.length)
return PALETTE[colorIndex];

return PALETTE[3];
}

private static final Color[] PALETTE = {
rgb(97, 97, 97),
rgb(179, 179, 179),
rgb(221, 221, 221),
rgb(255, 255, 255),
rgb(250, 179, 178),
rgb(246, 99, 102),
rgb(215, 98, 99),
rgb(188, 89, 101),
rgb(254, 242, 214),
rgb(250, 176, 112),
rgb(225, 135, 99),
rgb(175, 118, 100),
rgb(253, 252, 172),
rgb(253, 253, 104),
rgb(220, 221, 100),
rgb(180, 186, 97),
rgb(219, 255, 155),
rgb(194, 255, 104),
rgb(194, 255, 104),
rgb(135, 180, 94),
rgb(196, 252, 180),
rgb(117, 250, 110),
rgb(99, 228, 86),
rgb(104, 180, 96),
rgb(191, 255, 191),
rgb(109, 254, 142),
rgb(109, 219, 127),
rgb(102, 180, 106),
rgb(186, 255, 196),
rgb(125, 250, 205),
rgb(103, 226, 160),
rgb(117, 174, 132),
rgb(199, 255, 243),
rgb(112, 254, 229),
rgb(110, 222, 191),
rgb(105, 183, 146),
rgb(197, 244, 254),
rgb(117, 238, 252),
rgb(106, 202, 218),
rgb(106, 202, 218),
rgb(196, 221, 254),
rgb(113, 201, 245),
rgb(108, 161, 218),
rgb(103, 130, 178),
rgb(162, 137, 253),
rgb(105, 100, 243),
rgb(102, 97, 223),
rgb(99, 97, 179),
rgb(207, 178, 254),
rgb(165, 94, 253),
rgb(129, 98, 223),
rgb(120, 96, 185),
rgb(245, 185, 252),
rgb(242, 104, 247),
rgb(216, 100, 220),
rgb(172, 100, 180),
rgb(251, 180, 216),
rgb(249, 93, 193),
rgb(218, 101, 165),
rgb(178, 93, 137),
rgb(246, 119, 104)
};

private static Color rgb(final int r, final int g, final int b)
{
return Color.fromRGB255(r, g, b);
}
}
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