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fix float error in small resolution

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This commit is contained in:
csf 2022-05-11 22:34:41 +08:00
parent 49dc99f170
commit 9920fee4ea
1 changed files with 8 additions and 6 deletions
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14
lib/models/model.dart
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@ -528,8 +528,9 @@ class CursorModel with ChangeNotifier {
var cy = r.center.dy;
var tryMoveCanvasX = false;
if (dx > 0) {
final maxCanvasCanMove =
_displayOriginX + FFI.imageModel.image!.width - r.right;
final maxCanvasCanMove = _displayOriginX +
FFI.imageModel.image!.width -
r.right.roundToDouble();
tryMoveCanvasX = _x + dx > cx && maxCanvasCanMove > 0;
if (tryMoveCanvasX) {
dx = min(dx, maxCanvasCanMove);
@ -538,7 +539,7 @@ class CursorModel with ChangeNotifier {
dx = min(dx, maxCursorCanMove);
}
} else if (dx < 0) {
final maxCanvasCanMove = _displayOriginX - r.left;
final maxCanvasCanMove = _displayOriginX - r.left.roundToDouble();
tryMoveCanvasX = _x + dx < cx && maxCanvasCanMove < 0;
if (tryMoveCanvasX) {
dx = max(dx, maxCanvasCanMove);
@ -549,8 +550,9 @@ class CursorModel with ChangeNotifier {
}
var tryMoveCanvasY = false;
if (dy > 0) {
final mayCanvasCanMove =
_displayOriginY + FFI.imageModel.image!.height - r.bottom;
final mayCanvasCanMove = _displayOriginY +
FFI.imageModel.image!.height -
r.bottom.roundToDouble();
tryMoveCanvasY = _y + dy > cy && mayCanvasCanMove > 0;
if (tryMoveCanvasY) {
dy = min(dy, mayCanvasCanMove);
@ -559,7 +561,7 @@ class CursorModel with ChangeNotifier {
dy = min(dy, mayCursorCanMove);
}
} else if (dy < 0) {
final mayCanvasCanMove = _displayOriginY - r.top;
final mayCanvasCanMove = _displayOriginY - r.top.roundToDouble();
tryMoveCanvasY = _y + dy < cy && mayCanvasCanMove < 0;
if (tryMoveCanvasY) {
dy = max(dy, mayCanvasCanMove);