MDS/openide
1
0
Fork 0
mirror of https://gitflic.ru/project/openide/openide.git synced 2026-01-06 03:21:12 +07:00
Code Issues Packages Projects Releases Wiki Activity

[DS] improve performance of ImageInverter.kt

Browse Source 
New image convert is 1.5-2 times faster

GitOrigin-RevId: 9340e472426b46cd170f46f9605910f14cf2a78b
This commit is contained in:
Igor Slobodskov
2021-10-11 13:59:48 +03:00
committed by intellij-monorepo-bot
parent 938a4fc903
commit deeb40644b
1 changed files with 12 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
notebooks/visualization/src/org/intellij/datavis/r/inlays/components/ImageInverter.kt
View File

@@ -129,13 +129,20 @@ class ImageInverter(foreground: Color, background: Color, private val graphicsCo
}
private fun invertInPlace(image: BufferedImage, outputImage: BufferedImage) {
for (x in 0 until image.width) {
for (y in 0 until image.height) {
val argb = image.getRGB(x, y)
val alpha = invert(argb)
outputImage.setRGB(x, y, convertHSLtoRGB(hsl, alpha))
val rgbArray = image.getRGB(0, 0, image.width, image.height, null, 0, image.width)
if (rgbArray.isEmpty()) return
// Usually graph data contains regions with same color. Previous converted color may be reused.
var prevArgb = rgbArray[0]
var prevConverted = convertHSLtoRGB(hsl, invert(prevArgb))
for (i in rgbArray.indices) {
val argb = rgbArray[i]
if (argb != prevArgb) {
prevArgb = argb
prevConverted = convertHSLtoRGB(hsl, invert(argb))
}
rgbArray[i] = prevConverted
}
outputImage.setRGB(0, 0, image.width, image.height, rgbArray, 0, image.width)
}
private fun createImageWithInvertedPalette(image: BufferedImage): BufferedImage {