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fix #4

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This commit is contained in:
otsmr 2025-02-10 22:31:22 +01:00
parent 645eb452c6
commit ea7b29f594
2 changed files with 61 additions and 35 deletions
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95
lib/src/components/image_editor/layers/emoji_layer.dart
View file

@ -19,8 +19,11 @@ class EmojiLayer extends StatefulWidget {
class _EmojiLayerState extends State<EmojiLayer> {
double initialRotation = 0;
Offset initialOffset = Offset.zero;
Offset initialFocalPoint = Offset.zero;
double initialScale = 1.0;
bool twoPointerWhereDown = false;
final GlobalKey _key = GlobalKey();
int pointers = 0;
@override
void initState() {
@ -43,44 +46,68 @@ class _EmojiLayerState extends State<EmojiLayer> {
return Positioned(
left: widget.layerData.offset.dx,
top: widget.layerData.offset.dy,
child: GestureDetector(
onTap: () {},
onScaleStart: (details) {
// Store the initial scale and rotation
initialScale = widget.layerData.size; // Reset initial scale
initialRotation = widget.layerData.rotation;
initialOffset = widget.layerData.offset;
},
onScaleUpdate: (details) {
child: Listener(
onPointerUp: (details) {
setState(() {
// Update the size based on the scale factor
widget.layerData.size = initialScale * details.scale;
// Update the rotation based on the rotation angle
widget.layerData.rotation = initialRotation + details.rotation;
// Update the position based on the translation
final RenderBox renderBox =
_key.currentContext?.findRenderObject() as RenderBox;
var dx = details.focalPoint.dx - (renderBox.size.width / 2);
var dy = details.focalPoint.dy - (renderBox.size.height / 2 + 34);
widget.layerData.offset = Offset(dx, dy);
pointers--;
if (pointers == 0) {
twoPointerWhereDown = false;
}
});
},
onScaleEnd: (details) {
// Optionally, you can handle the end of the scale gesture here
onPointerDown: (details) {
setState(() {
pointers++;
});
},
child: Transform.rotate(
key: _key,
angle: widget.layerData.rotation,
child: Container(
padding: const EdgeInsets.all(34),
color: Colors.transparent,
child: Text(
widget.layerData.text.toString(),
style: TextStyle(
fontSize: widget.layerData.size,
child: GestureDetector(
onScaleStart: (details) {
// Store the initial scale and rotation
initialScale = widget.layerData.size; // Reset initial scale
initialRotation = widget.layerData.rotation;
initialOffset = widget.layerData.offset;
initialFocalPoint =
Offset(details.focalPoint.dx, details.focalPoint.dy);
setState(() {});
},
onScaleUpdate: (details) {
if (twoPointerWhereDown == true && details.pointerCount != 2) {
return;
}
setState(() {
// Update the size based on the scale factor
twoPointerWhereDown = details.pointerCount >= 2;
widget.layerData.size = initialScale * details.scale;
// Update the rotation based on the rotation angle
widget.layerData.rotation = initialRotation + details.rotation;
// Update the position based on the translation
var dx = (initialOffset.dx) +
(details.focalPoint.dx - initialFocalPoint.dx);
var dy = (initialOffset.dy) +
(details.focalPoint.dy - initialFocalPoint.dy);
// var dy = details.focalPoint.dy - (renderBox.size.height / 2 + 34);
widget.layerData.offset = Offset(dx, dy);
});
},
onScaleEnd: (details) {
// Optionally, you can handle the end of the scale gesture here
},
child: Transform.rotate(
key: _key,
angle: widget.layerData.rotation,
child: Container(
padding: const EdgeInsets.all(44),
color: Colors.transparent,
child: Text(
widget.layerData.text.toString(),
style: TextStyle(
fontSize: widget.layerData.size,
),
),
),
),

1
lib/src/components/image_editor/modules/all_emojis.dart
View file

@ -51,7 +51,6 @@ class _EmojisState extends State<Emojis> {
context,
EmojiLayerData(
text: emoji,
size: 32.0,
),
);
},