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预计算固定 dp→px 转换，避免每帧重复 density 计算

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cardGapExpandedPx/cardGapCollapsedPx/rowPaddingPx/horizontalPaddingPx
移入 remember，每帧只做一次浮点插值而非完整 density 转换。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
xfy 2026-05-18 15:04:31 +08:00
parent 3b3988251a
commit d5b7d2cd8a
1 changed files with 12 additions and 12 deletions
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24
shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarMonthView.kt
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@ -138,14 +138,12 @@ fun CalendarMonthView(
val collapseProgress = viewModel.collapseProgress
val headerHeightPx = monthHeaderHeightPx + weekdayHeaderHeightPx
val rowPaddingPx = with(density) { ROW_PADDING_DP.dp.toPx() }.toInt()
val cardGapPx = with(density) {
lerp(
CARD_GAP_EXPANDED_DP.toFloat(),
CARD_GAP_COLLAPSED_DP.toFloat(),
collapseProgress
).dp.toPx()
}.toInt()
// 预计算固定 dp→px，避免每帧重复 density 转换
val cardGapExpandedPx = remember { with(density) { CARD_GAP_EXPANDED_DP.dp.toPx() } }
val cardGapCollapsedPx = remember { with(density) { CARD_GAP_COLLAPSED_DP.dp.toPx() } }
val rowPaddingPx = remember { with(density) { ROW_PADDING_DP.dp.toPx() } }.toInt()
val cardGapPx = lerp(cardGapExpandedPx, cardGapCollapsedPx, collapseProgress).toInt()
val interpolatedWeeks by remember {
derivedStateOf {
@ -162,11 +160,13 @@ fun CalendarMonthView(
}
}
// 预计算固定 dp→px，避免每帧重复 density 转换
val horizontalPaddingPx = remember { with(density) { (HORIZONTAL_PADDING_DP * 2).dp.toPx() } }
val rowPadding2Px = remember { with(density) { (ROW_PADDING_DP * 2).dp.toPx() } }
val estimatedRowHeightPx = if (screenWidthPx > 0) {
val cellWidth =
(screenWidthPx - with(density) { (HORIZONTAL_PADDING_DP * 2).dp.toPx() }) / 7
val rowPadding = with(density) { (ROW_PADDING_DP * 2).dp.toPx() }
(cellWidth + rowPadding).toInt()
val cellWidth = (screenWidthPx - horizontalPaddingPx) / 7
(cellWidth + rowPadding2Px).toInt()
} else 0
val effectiveRowHeightPx = if (rowHeightPx > 0) rowHeightPx else estimatedRowHeightPx