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Merge pull request #71 from bric3/new-color-provider
New color provider
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fireplace-app/src/main/java/io/github/bric3/fireplace/DimmingFrameColorProvider.java
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| /* | ||
| * Copyright 2021 Datadog, Inc. | ||
| * | ||
| * 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. | ||
| */ | ||
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| package io.github.bric3.fireplace; | ||
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| import io.github.bric3.fireplace.core.ui.Colors; | ||
| import io.github.bric3.fireplace.core.ui.DarkLightColor; | ||
| import io.github.bric3.fireplace.flamegraph.FrameBox; | ||
| import io.github.bric3.fireplace.flamegraph.FrameColorProvider; | ||
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| import java.awt.*; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.function.Function; | ||
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| import static io.github.bric3.fireplace.flamegraph.FrameRenderingFlags.isFocusedFrame; | ||
| import static io.github.bric3.fireplace.flamegraph.FrameRenderingFlags.isFocusing; | ||
| import static io.github.bric3.fireplace.flamegraph.FrameRenderingFlags.isHighlightedFrame; | ||
| import static io.github.bric3.fireplace.flamegraph.FrameRenderingFlags.isHighlighting; | ||
| import static io.github.bric3.fireplace.flamegraph.FrameRenderingFlags.isHovered; | ||
| import static io.github.bric3.fireplace.flamegraph.FrameRenderingFlags.isMinimapMode; | ||
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| class DimmingFrameColorProvider<T> implements FrameColorProvider<T> { | ||
| public static final Color DIMMED_TEXT = new DarkLightColor( | ||
| Colors.rgba(28, 43, 52, 0.68f), | ||
| Colors.rgba(255, 255, 255, 0.51f) | ||
| ); | ||
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| public static final Color ROOT_NODE = new DarkLightColor( | ||
| new Color(0xffeaf6fc), | ||
| new Color(0xff091222) | ||
| ); | ||
| private final Function<FrameBox<T>, Color> baseColorFunction; | ||
| private final ColorModel reusableDataStructure = new ColorModel(null, null); | ||
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| private final ConcurrentHashMap<Color, Color> dimmedColorCache = new ConcurrentHashMap<>(); | ||
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| public DimmingFrameColorProvider(Function<FrameBox<T>, Color> baseColorFunction) { | ||
| this.baseColorFunction = baseColorFunction; | ||
| } | ||
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| @Override | ||
| public ColorModel getColors(FrameBox<T> frame, int flags) { | ||
| Color backgroundColor; | ||
| Color foreground; | ||
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| var rootNode = frame.isRoot(); | ||
| if (rootNode) { | ||
| backgroundColor = ROOT_NODE; | ||
| } else { | ||
| backgroundColor = baseColorFunction.apply(frame); | ||
| } | ||
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| if (!rootNode && shouldDim(flags) && !isMinimapMode(flags)) { | ||
| backgroundColor = cachedDim(backgroundColor); | ||
| foreground = DIMMED_TEXT; | ||
| } else { | ||
| foreground = Colors.foregroundColor(backgroundColor); | ||
| } | ||
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| if (isHovered(flags)) { | ||
| backgroundColor = Colors.blend(backgroundColor, Colors.translucent_black_40); | ||
| } | ||
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| return reusableDataStructure.set( | ||
| backgroundColor, | ||
| foreground | ||
| ); | ||
| } | ||
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| /** | ||
| * Dim only if not highlighted or not focused | ||
| * | ||
| * - highlighting and not highlighted => dim | ||
| * - focusing and not focused => dim | ||
| * - highlighting and focusing | ||
| * - highlighted => nope | ||
| * - focusing => nope | ||
| */ | ||
| private boolean shouldDim(int flags) { | ||
| var highlighting = isHighlighting(flags); | ||
| var highlightedFrame = isHighlightedFrame(flags); | ||
| var focusing = isFocusing(flags); | ||
| var focusedFrame = isFocusedFrame(flags); | ||
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| var dimmedForHighlighting = highlighting && !highlightedFrame; | ||
| var dimmedForFocus = focusing && !focusedFrame; | ||
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| return (dimmedForHighlighting || dimmedForFocus) | ||
| && !(highlighting | ||
| && focusing | ||
| && (highlightedFrame || focusedFrame)); | ||
| } | ||
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| private Color cachedDim(Color color) { | ||
| return dimmedColorCache.computeIfAbsent(color, Colors::dim); | ||
| } | ||
| } |
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