mirror of https://github.com/iSoron/uhabits.git
parent
a3bfc05068
commit
d96732b588
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/*
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* Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.platform.gui
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import kotlin.math.*
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interface Image {
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val width: Int
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val height: Int
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fun getPixel(x: Int, y: Int): Color
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fun setPixel(x: Int, y: Int, color: Color)
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suspend fun export(path: String)
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fun diff(other: Image) {
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if (width != other.width) error("Width must match")
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if (height != other.height) error("Height must match")
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for (x in 0 until width) {
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for (y in 0 until height) {
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val p1 = getPixel(x, y)
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var l = 1.0
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for (dx in -2..2) {
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if (x + dx < 0 || x + dx >= width) continue
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for (dy in -2..2) {
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if (y + dy < 0 || y + dy >= height) continue
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val p2 = other.getPixel(x + dx, y + dy)
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l = min(l, abs(p1.luminosity - p2.luminosity))
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}
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}
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setPixel(x, y, Color(l, l, l, 1.0))
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}
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}
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}
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val averageLuminosity: Double
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get() {
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var luminosity = 0.0
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for (x in 0 until width) {
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for (y in 0 until height) {
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luminosity += getPixel(x, y).luminosity
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}
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}
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return luminosity / (width * height)
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}
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}
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@ -0,0 +1,72 @@
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/*
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* Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.platform.gui
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import org.khronos.webgl.*
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import org.w3c.dom.*
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import kotlin.browser.*
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import kotlin.math.*
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class JsImage(val canvas: JsCanvas,
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val imageData: ImageData) : Image {
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override val width: Int
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get() = imageData.width
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override val height: Int
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get() = imageData.height
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val pixels = imageData.unsafeCast<Uint16Array>()
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init {
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console.log(width, height, imageData.data.length)
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}
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override suspend fun export(path: String) {
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canvas.ctx.putImageData(imageData, 0.0, 0.0)
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val container = document.createElement("div")
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container.className = "export"
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val title = document.createElement("div")
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title.innerHTML = path
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document.body?.appendChild(container)
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container.appendChild(title)
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container.appendChild(canvas.element)
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}
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override fun getPixel(x: Int, y: Int): Color {
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val offset = 4 * (y * width + x)
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return Color(imageData.data[offset + 0] / 255.0,
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imageData.data[offset + 1] / 255.0,
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imageData.data[offset + 2] / 255.0,
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imageData.data[offset + 3] / 255.0)
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}
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override fun setPixel(x: Int, y: Int, color: Color) {
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val offset = 4 * (y * width + x)
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inline fun map(x: Double): Byte {
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return (x * 255).roundToInt().unsafeCast<Byte>()
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}
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imageData.data.set(offset + 0, map(color.red))
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imageData.data.set(offset + 1, map(color.green))
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imageData.data.set(offset + 2, map(color.blue))
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imageData.data.set(offset + 3, map(color.alpha))
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}
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}
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@ -0,0 +1,48 @@
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/*
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* Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.platform.gui
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import java.awt.image.*
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import java.io.*
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import javax.imageio.*
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class JavaImage(val bufferedImage: BufferedImage) : Image {
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override fun setPixel(x: Int, y: Int, color: Color) {
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bufferedImage.setRGB(x, y, java.awt.Color(color.red.toFloat(),
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color.green.toFloat(),
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color.blue.toFloat()).rgb)
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}
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override suspend fun export(path: String) {
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val file = File(path)
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file.parentFile.mkdirs()
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ImageIO.write(bufferedImage, "png", file)
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}
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override val width: Int
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get() = bufferedImage.width
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override val height: Int
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get() = bufferedImage.height
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override fun getPixel(x: Int, y: Int): Color {
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return Color(bufferedImage.getRGB(x, y))
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}
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}
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Loading…
Reference in new issue