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Compose Color Detector

Detect colors with name, hex code, RGB, HSL from image or your screen after taking it's screenshot and color Palettes and profiles using Palette API and Compose ImageCropper library


Screen Image

Gradle Setup

To get a Git project into your build:

  • Step 1. Add the JitPack repository to your build file Add it in your root build.gradle at the end of repositories:
allprojects {
  repositories {
      ...
      maven { url 'https://jitpack.io' }
  }
}
  • Step 2. Add the dependency
dependencies {
    implementation 'com.github.SmartToolFactory:Compose-Color-Detector:<version>'
}

ScreenColorDetector

ScreenColorDetector uses ImageWithThumbnail from Compose Image library to display image in bounds and get bounds and show thumbnail on left or right side of the screenshot when enabled

@Composable
fun ScreenColorDetector(
    modifier: Modifier = Modifier,
    enabled: Boolean = false,
    thumbnailSize: Dp = 80.dp,
    @IntRange(from = 100, to = 500) thumbnailZoom: Int = 200,
    screenRefreshPolicy: ScreenRefreshPolicy = OnEnable,
    content: @Composable () -> Unit,
    delayBeforeCapture: Long = 0L,
    onColorChange: (ColorData) -> Unit
)
  • enabled when enabled detect color at user's point of touch
  • thumbnailSize size of the thumbnail that displays touch position with zoom
  • thumbnailZoom zoom scale between 100% and 500%
  • screenRefreshPolicy how to set or refresh screenshot of the screen. By default screenshot is taken when enabled flag is set to true after delay specified with delayBeforeCapture.
  • If OnDown or OnUp is selected screenshot is taken when enabled is false and when first pointer is down or last pointer is up after delay specified with delayBeforeCapture
  • delayBeforeCapture how many milliseconds should be waited before taking screenshot of the screen content is screen/Composable is displayed to user to get color from. ScreenshotBox gets Bitmap from screen when users first down and stores it.
  • onColorChange callback to notify that user moved and picked a color

ImageColorDetector

ImageColorDetector detects color and name from Image on user touch

@Composable
fun ImageColorDetector(
    modifier: Modifier = Modifier,
    imageBitmap: ImageBitmap,
    contentScale: ContentScale = ContentScale.FillBounds,
    alignment: Alignment = Alignment.Center,
    colorNameParser: ColorNameParser = rememberColorParser(),
    thumbnailSize: Dp = 70.dp,
    @IntRange(from = 100, to = 500) thumbnailZoom: Int = 200,
    onColorChange: (ColorData) -> Unit
)
  • imageBitmap image is being drawn and colors to be detected
  • contentScale how image should be layout inside the Canvas that is drawn
  • alignment Optional alignment parameter used to place the ImageBitmap in the
  • given bounds defined by the width and height
  • thumbnailSize size of the thumbnail that displays touch position with zoom
  • thumbnailZoom zoom scale between 100% and 500%
  • onColorChange callback to notify that user moved and picked a color

ImageColorPalette

@Composable
fun ImageColorPalette(
    modifier: Modifier = Modifier,
    imageBitmap: ImageBitmap,
    selectedIndex: Int,
    colorNameParser: ColorNameParser = rememberColorParser(),
    maximumColorCount: Int = 16,
    onColorChange: (ColorData) -> Unit
)

Generates color profiles and percentage of each color using Palette API