| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * 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 androidx.ui.foundation |
| |
| import androidx.compose.Composable |
| import androidx.compose.emptyContent |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.asModifier |
| import androidx.ui.graphics.BlendMode |
| import androidx.ui.graphics.Color |
| import androidx.ui.graphics.ColorFilter |
| import androidx.ui.graphics.painter.Painter |
| import androidx.ui.graphics.vector.VectorAsset |
| import androidx.ui.graphics.vector.VectorPainter |
| import androidx.ui.layout.LayoutHeight |
| import androidx.ui.layout.LayoutSize |
| import androidx.ui.layout.LayoutWidth |
| import androidx.ui.unit.PxSize |
| import androidx.ui.unit.dp |
| |
| // TODO: b/149030271 remove when we have a VectorPainter, so developers can use just the Painter |
| // overload |
| /** |
| * Icon component that draws [icon] using [tint], defaulting to [contentColor]. |
| * |
| * @param icon Vector icon to draw inside this icon component |
| * @param modifier optional [Modifier] for this Icon |
| * @param tint tint to be applied to [icon] |
| */ |
| @Composable |
| fun Icon( |
| icon: VectorAsset, |
| modifier: Modifier = Modifier.None, |
| tint: Color = contentColor() |
| ) { |
| // TODO: consider allowing developers to override the intrinsic size, and specify their own |
| // size that this icon will be forced to take up. |
| // TODO: b/149735981 semantics for content description |
| Box( |
| modifier = modifier + LayoutWidth(icon.defaultWidth) + LayoutHeight(icon.defaultHeight) + |
| VectorPainter(icon).asModifier(colorFilter = ColorFilter.tint(tint)) |
| ) { |
| } |
| } |
| |
| /** |
| * Icon component that draws [icon] using [tint], defaulting to [contentColor]. |
| * |
| * @param icon Painter to draw inside this icon component |
| * @param modifier optional [Modifier] for this Icon |
| * @param tint tint to be applied to [icon] |
| */ |
| @Composable |
| fun Icon( |
| icon: Painter, |
| modifier: Modifier = Modifier.None, |
| tint: Color = contentColor() |
| ) { |
| // TODO: consider allowing developers to override the intrinsic size, and specify their own |
| // size that this icon will be forced to take up. |
| val iconModifier = icon.asModifier( |
| colorFilter = ColorFilter(color = tint, blendMode = BlendMode.srcIn) |
| ) |
| |
| val layoutModifier = if (icon.intrinsicSize == PxSize.UnspecifiedSize) { |
| DefaultIconSizeModifier |
| } else { |
| Modifier.None |
| } |
| |
| // TODO: b/149735981 semantics for content description |
| Box( |
| modifier = modifier + layoutModifier + iconModifier, |
| children = emptyContent() |
| ) |
| } |
| |
| // Default icon size, for icons with no intrinsic size information |
| private val DefaultIconSizeModifier = LayoutSize(24.dp) |