commonMain.quantize.QuantizerMap.kt Maven / Gradle / Ivy
/*
* Copyright (c) 2024, Google LLC, OpenSavvy and contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package opensavvy.material3.colors.quantize
/** Creates a dictionary with keys of colors, and values of count of the color */
class QuantizerMap : Quantizer {
var colorToCount: Map? = null
override fun quantize(pixels: IntArray?, colorCount: Int): QuantizerResult {
val pixelByCount: MutableMap = LinkedHashMap()
for (pixel in pixels!!) {
val currentPixelCount = pixelByCount[pixel]
val newPixelCount = if (currentPixelCount == null) 1 else currentPixelCount + 1
pixelByCount[pixel] = newPixelCount
}
colorToCount = pixelByCount
return QuantizerResult(pixelByCount)
}
}