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refactor(jetbrains): extract svg icon colorizer

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This commit is contained in:
kirillk
2026-05-13 17:47:48 -04:00
parent 96d23223a2
commit b40622354c
2 changed files with 49 additions and 38 deletions
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packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/session/scroll/ScrollButtonIcon.kt
+3 -38
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@@ -1,52 +1,17 @@
package ai.kilocode.client.session.scroll
import ai.kilocode.client.ui.colorizeIfPossible
import com.intellij.openapi.util.IconLoader
import com.intellij.ui.icons.CachedImageIcon
import com.intellij.ui.svg.SvgAttributePatcher
import com.intellij.util.SVGLoader
import com.intellij.util.ui.JBUI
import java.awt.Color
import javax.swing.Icon
private const val OPAQUE_ALPHA = 255
internal object ScrollButtonIcon {
private val icon = IconLoader.getIcon("/icons/scroll-bottom.svg", ScrollButtonIcon::class.java)
fun create(): Icon = icon.colorizeIfPossible(
fillColor = JBUI.CurrentTheme.Button.defaultButtonColorStart(),
borderColor = JBUI.CurrentTheme.Button.defaultButtonForeground(),
fillId = "ScrollButton.Background",
strokeId = "ScrollButton.Foreground",
)
}
private fun Icon.colorizeIfPossible(fillColor: Color, borderColor: Color = fillColor): Icon =
(this as? CachedImageIcon)?.createWithPatcher(colorPatcher = object : SVGLoader.SvgElementColorPatcherProvider, SvgAttributePatcher {
private val digest = longArrayOf(0L, 440413911775177385)
override fun digest(): LongArray {
digest[0] = toLong(fillColor.rgb, borderColor.rgb)
return digest
}
override fun patchColors(attributes: MutableMap<String, String>) {
when (attributes["id"]) {
"ScrollButton.Background" -> setAttribute(attributes, "fill", fillColor)
"ScrollButton.Foreground" -> setAttribute(attributes, "stroke", borderColor)
}
}
override fun attributeForPath(path: String) = this
private fun setAttribute(attributes: MutableMap<String, String>, key: String, color: Color) {
if (!attributes.containsKey(key) || attributes[key] == "none") return
attributes[key] = "rgb(${color.red},${color.green},${color.blue})"
val alpha = color.alpha
if (alpha != OPAQUE_ALPHA) {
attributes["$key-opacity"] = "${alpha / OPAQUE_ALPHA.toFloat()}"
}
}
private fun toLong(high: Int, low: Int): Long {
return (high.toLong() shl 32) or (low.toLong() and 0xFFFFFFFFL)
}
}) ?: this
packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/ui/SvgIconColorizer.kt
+46
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@@ -0,0 +1,46 @@
package ai.kilocode.client.ui
import com.intellij.ui.icons.CachedImageIcon
import com.intellij.ui.svg.SvgAttributePatcher
import com.intellij.util.SVGLoader
import java.awt.Color
import javax.swing.Icon
private const val OPAQUE_ALPHA = 255
internal fun Icon.colorizeIfPossible(
fillColor: Color,
borderColor: Color = fillColor,
fillId: String? = null,
strokeId: String? = null,
): Icon = (this as? CachedImageIcon)?.createWithPatcher(
colorPatcher = object : SVGLoader.SvgElementColorPatcherProvider, SvgAttributePatcher {
private val digest = longArrayOf(0L, 440413911775177385)
override fun digest(): LongArray {
digest[0] = toLong(fillColor.rgb, borderColor.rgb)
return digest
}
override fun patchColors(attributes: MutableMap<String, String>) {
val id = attributes["id"]
if (fillId == null || id == fillId) setAttribute(attributes, "fill", fillColor)
if (strokeId == null || id == strokeId) setAttribute(attributes, "stroke", borderColor)
}
override fun attributeForPath(path: String) = this
private fun setAttribute(attributes: MutableMap<String, String>, key: String, color: Color) {
if (!attributes.containsKey(key) || attributes[key] == "none") return
attributes[key] = "rgb(${color.red},${color.green},${color.blue})"
val alpha = color.alpha
if (alpha != OPAQUE_ALPHA) {
attributes["$key-opacity"] = "${alpha / OPAQUE_ALPHA.toFloat()}"
}
}
private fun toLong(high: Int, low: Int): Long {
return (high.toLong() shl 32) or (low.toLong() and 0xFFFFFFFFL)
}
},
) ?: this