|
| 1 | +package com.smarttoolfactory.colorpicker.widget |
| 2 | + |
| 3 | +import androidx.compose.foundation.background |
| 4 | +import androidx.compose.foundation.layout.* |
| 5 | +import androidx.compose.material.* |
| 6 | +import androidx.compose.runtime.* |
| 7 | +import androidx.compose.ui.Alignment |
| 8 | +import androidx.compose.ui.Modifier |
| 9 | +import androidx.compose.ui.graphics.Color |
| 10 | +import androidx.compose.ui.text.TextStyle |
| 11 | +import androidx.compose.ui.text.font.FontWeight |
| 12 | +import androidx.compose.ui.unit.dp |
| 13 | +import androidx.compose.ui.unit.sp |
| 14 | +import com.smarttoolfactory.colorpicker.model.ColorModel |
| 15 | +import com.smarttoolfactory.colorpicker.model.CompositeColor |
| 16 | +import com.smarttoolfactory.colorpicker.util.* |
| 17 | + |
| 18 | +@Composable |
| 19 | +fun HexDisplay(compositeColor: CompositeColor, colorModel: ColorModel) { |
| 20 | + |
| 21 | + |
| 22 | + val options = listOf("HEX", "HSV", "HSL") |
| 23 | + var index by remember { mutableStateOf(0) } |
| 24 | + Row( |
| 25 | + verticalAlignment = Alignment.CenterVertically, |
| 26 | + modifier = Modifier |
| 27 | + .fillMaxWidth() |
| 28 | + .padding(2.dp) |
| 29 | + ) { |
| 30 | + ExposedSelectionMenu( |
| 31 | + index = index, |
| 32 | + options = options, |
| 33 | + onSelected = { |
| 34 | + index = it |
| 35 | + } |
| 36 | + ) |
| 37 | + } |
| 38 | + |
| 39 | +} |
| 40 | + |
| 41 | + |
| 42 | +@Composable |
| 43 | +fun HexDisplay(color: Color, colorModel: ColorModel, onColorModelChange: (ColorModel) -> Unit) { |
| 44 | + |
| 45 | + val options = listOf("HEX", "HSV", "HSL") |
| 46 | + var index by remember { mutableStateOf(0) } |
| 47 | + Row( |
| 48 | + verticalAlignment = Alignment.CenterVertically, |
| 49 | + modifier = Modifier |
| 50 | + .fillMaxWidth() |
| 51 | + .padding(2.dp) |
| 52 | + ) { |
| 53 | + ExposedSelectionMenu( |
| 54 | + index = index, |
| 55 | + options = options, |
| 56 | + onSelected = { |
| 57 | + index = it |
| 58 | + onColorModelChange(ColorModel.values()[index]) |
| 59 | + } |
| 60 | + ) |
| 61 | + |
| 62 | + Row( |
| 63 | + modifier = Modifier |
| 64 | + .weight(1f) |
| 65 | + .background(Color.White), |
| 66 | + horizontalArrangement = Arrangement.Start |
| 67 | + ) { |
| 68 | + |
| 69 | + when (colorModel) { |
| 70 | + ColorModel.RGB -> { |
| 71 | + ColorText(title = "R", value = color.red.fractionToRGBString()) |
| 72 | + Spacer(modifier = Modifier.width(20.dp)) |
| 73 | + ColorText(title = "G", value = color.green.fractionToRGBString()) |
| 74 | + Spacer(modifier = Modifier.width(20.dp)) |
| 75 | + ColorText(title = "B", value = color.blue.fractionToRGBString()) |
| 76 | + Spacer(modifier = Modifier.width(20.dp)) |
| 77 | + ColorText(title = "A", value = "${color.alpha.fractionToPercent()}%") |
| 78 | + } |
| 79 | + ColorModel.HSV -> { |
| 80 | + val hsvArray = colorToHSV(color) |
| 81 | + ColorText(title = "H", value = "${hsvArray[0].round()}") |
| 82 | + Spacer(modifier = Modifier.width(20.dp)) |
| 83 | + ColorText(title = "S", "${hsvArray[1].fractionToPercent()}") |
| 84 | + Spacer(modifier = Modifier.width(20.dp)) |
| 85 | + ColorText(title = "V", "${hsvArray[2].fractionToPercent()}") |
| 86 | + Spacer(modifier = Modifier.width(20.dp)) |
| 87 | + ColorText(title = "A", value = "${color.alpha.fractionToPercent()}%") |
| 88 | + } |
| 89 | + |
| 90 | + ColorModel.HSL -> { |
| 91 | + val hslArray = colorToHSL(color) |
| 92 | + ColorText(title = "H", value = "${hslArray[0].round()}") |
| 93 | + Spacer(modifier = Modifier.width(20.dp)) |
| 94 | + ColorText(title = "S", "${hslArray[1].fractionToPercent()}") |
| 95 | + Spacer(modifier = Modifier.width(20.dp)) |
| 96 | + ColorText(title = "L", "${hslArray[2].fractionToPercent()}") |
| 97 | + Spacer(modifier = Modifier.width(20.dp)) |
| 98 | + ColorText(title = "A", value = "${color.alpha.fractionToPercent()}%") |
| 99 | + } |
| 100 | + } |
| 101 | + } |
| 102 | + } |
| 103 | +} |
| 104 | + |
| 105 | +@Composable |
| 106 | +private fun ColorText(title: String, value: String) { |
| 107 | + Column(horizontalAlignment = Alignment.CenterHorizontally) { |
| 108 | + Text( |
| 109 | + text = title.substring(0, 1), |
| 110 | + fontWeight = FontWeight.Bold, |
| 111 | + fontSize = 18.sp |
| 112 | + |
| 113 | + ) |
| 114 | + Spacer(modifier = Modifier.height(4.dp)) |
| 115 | + Text(text = value, fontSize = 16.sp) |
| 116 | + } |
| 117 | +} |
| 118 | + |
| 119 | +@OptIn(ExperimentalMaterialApi::class) |
| 120 | +@Composable |
| 121 | +private fun ExposedSelectionMenu( |
| 122 | + modifier: Modifier = Modifier, |
| 123 | + index: Int, |
| 124 | + options: List<String>, |
| 125 | + onSelected: (Int) -> Unit |
| 126 | +) { |
| 127 | + |
| 128 | + var expanded by remember { mutableStateOf(false) } |
| 129 | + var selectedOptionText by remember { mutableStateOf(options[index]) } |
| 130 | + |
| 131 | + ExposedDropdownMenuBox( |
| 132 | + modifier = Modifier.width(120.dp), |
| 133 | + expanded = expanded, |
| 134 | + onExpandedChange = { |
| 135 | + expanded = !expanded |
| 136 | + } |
| 137 | + ) { |
| 138 | + TextField( |
| 139 | + modifier = Modifier.wrapContentWidth(), |
| 140 | + readOnly = true, |
| 141 | + value = selectedOptionText, |
| 142 | + onValueChange = { }, |
| 143 | + trailingIcon = { |
| 144 | + ExposedDropdownMenuDefaults.TrailingIcon( |
| 145 | + expanded = expanded |
| 146 | + ) |
| 147 | + }, |
| 148 | + colors = ExposedDropdownMenuDefaults.textFieldColors( |
| 149 | + backgroundColor = Color.White, |
| 150 | + focusedIndicatorColor = Color.Transparent, |
| 151 | + unfocusedIndicatorColor = Color.Transparent, |
| 152 | + disabledIndicatorColor = Color.Transparent, |
| 153 | + ), |
| 154 | + textStyle = TextStyle( |
| 155 | + fontWeight = FontWeight.W600, |
| 156 | + fontSize = 18.sp |
| 157 | + ) |
| 158 | + ) |
| 159 | + ExposedDropdownMenu( |
| 160 | + expanded = expanded, |
| 161 | + onDismissRequest = { |
| 162 | + expanded = false |
| 163 | + |
| 164 | + } |
| 165 | + ) { |
| 166 | + options.forEachIndexed { index: Int, selectionOption: String -> |
| 167 | + DropdownMenuItem( |
| 168 | + onClick = { |
| 169 | + selectedOptionText = selectionOption |
| 170 | + expanded = false |
| 171 | + onSelected(index) |
| 172 | + } |
| 173 | + ) { |
| 174 | + Text(text = selectionOption) |
| 175 | + } |
| 176 | + } |
| 177 | + } |
| 178 | + } |
| 179 | +} |
0 commit comments