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feat: link douglas peucker to real drawing area

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This commit is contained in:
Malo Léon 2024-02-01 12:17:50 +01:00
parent 28c4250334
commit f80b344aa7
11 changed files with 85848 additions and 16107 deletions
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34164
SegmentationDouglasPeucker.Flutter/Dali.Segmentation.DouglasPeucker.h Normal file
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2
SegmentationDouglasPeucker.Flutter/ffigen.yaml
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@ -3,4 +3,4 @@ headers:
entry-points: entry-points:
- 'Dali.Segmentation.DouglasPeucker.h' - 'Dali.Segmentation.DouglasPeucker.h'
# - 'MathLib.h' # - 'MathLib.h'
- 'MyLib.Managed.h' # - 'MyLib.Managed.h'

2
SegmentationDouglasPeucker.Flutter/ios/Flutter/AppFrameworkInfo.plist
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@ -21,6 +21,6 @@
<key>CFBundleVersion</key> <key>CFBundleVersion</key>
<string>1.0</string> <string>1.0</string>
<key>MinimumOSVersion</key> <key>MinimumOSVersion</key>
<string>11.0</string> <string>12.0</string>
</dict> </dict>
</plist> </plist>

6
SegmentationDouglasPeucker.Flutter/ios/Runner.xcodeproj/project.pbxproj
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@ -358,7 +358,7 @@
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE; GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES; GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES; GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 11.0; IPHONEOS_DEPLOYMENT_TARGET = 12.0;
MTL_ENABLE_DEBUG_INFO = NO; MTL_ENABLE_DEBUG_INFO = NO;
SDKROOT = iphoneos; SDKROOT = iphoneos;
SUPPORTED_PLATFORMS = iphoneos; SUPPORTED_PLATFORMS = iphoneos;
@ -483,7 +483,7 @@
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE; GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES; GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES; GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 11.0; IPHONEOS_DEPLOYMENT_TARGET = 12.0;
MTL_ENABLE_DEBUG_INFO = YES; MTL_ENABLE_DEBUG_INFO = YES;
ONLY_ACTIVE_ARCH = YES; ONLY_ACTIVE_ARCH = YES;
SDKROOT = iphoneos; SDKROOT = iphoneos;
@ -532,7 +532,7 @@
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE; GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES; GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES; GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 11.0; IPHONEOS_DEPLOYMENT_TARGET = 12.0;
MTL_ENABLE_DEBUG_INFO = NO; MTL_ENABLE_DEBUG_INFO = NO;
SDKROOT = iphoneos; SDKROOT = iphoneos;
SUPPORTED_PLATFORMS = iphoneos; SUPPORTED_PLATFORMS = iphoneos;

10
SegmentationDouglasPeucker.Flutter/lib/dali_point.dart
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@ -23,6 +23,16 @@ class DaliPoint {
return DaliPoint(x, y); return DaliPoint(x, y);
} }
@override
bool operator ==(Object other) =>
identical(this, other) ||
other is DaliPoint &&
runtimeType == other.runtimeType &&
x == other.x &&
y == other.y;
@override
int get hashCode => x.hashCode ^ y.hashCode;
@override @override
String toString() { String toString() {

80
SegmentationDouglasPeucker.Flutter/lib/douglas.dart
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@ -7,62 +7,68 @@ import 'package:segmentation_douglas_peucker_flutter/gen/generated_bindings.dart
import 'package:segmentation_douglas_peucker_flutter/lib.dart'; import 'package:segmentation_douglas_peucker_flutter/lib.dart';
abstract class Douglas { abstract class Douglas {
static void runExample() { static List<DaliPoint> transformDouglasPeucker(
final NativeLibrary nativeLibrary = NativeLibrary(Lib.init('Dali.Segmentation.DouglasPeucker')); List<DaliPoint> originePoints) {
final NativeLibrary nativeLibrary =
NativeLibrary(Lib.init('Dali.Segmentation.DouglasPeucker'));
final Pointer<System_Exception_t> exception = calloc(); final Pointer<System_Exception_t> exception = calloc();
print('Exception allocated ! ($exception)');
final System_Type_t type = nativeLibrary.System_Drawing_Point_TypeOf(); final System_Type_t type = nativeLibrary.System_Drawing_Point_TypeOf();
final System_Drawing_Point_t point1 =
nativeLibrary.System_Drawing_Point_Create(200, 400, exception);
exception.handle();
final DaliPoint daliPoint1 = DaliPoint.fromPointer(point1);
print('Point1: $daliPoint1');
final System_Drawing_Point_t point2 =
nativeLibrary.System_Drawing_Point_Create(200, 500, exception);
exception.handle();
final DaliPoint daliPoint2 = DaliPoint.fromPointer(point2);
print('Point2: $daliPoint2');
final System_Drawing_Point_t point3 =
nativeLibrary.System_Drawing_Point_Create(200, 600, exception);
exception.handle();
final DaliPoint daliPoint3 = DaliPoint.fromPointer(point3);
print('Point3: $daliPoint3');
final System_Collections_Generic_List_A1_t points = final System_Collections_Generic_List_A1_t points =
nativeLibrary.System_Collections_Generic_List_A1_Create_1( nativeLibrary.System_Collections_Generic_List_A1_Create_1(
type, type,
3, originePoints.length,
exception, exception,
); );
exception.handle(onException: print); for (final point in originePoints) {
final System_Drawing_Point_t nativePoint =
print('Points list created ! ($points)'); nativeLibrary.System_Drawing_Point_Create(
point.x,
point.y,
exception,
);
exception.handle();
nativeLibrary.System_Collections_Generic_List_A1_Add( nativeLibrary.System_Collections_Generic_List_A1_Add(
points, type, point1, exception); points, type, nativePoint, exception);
exception.handle();
}
final douglasPeuckerList = nativeLibrary
.DALI_Segmentation_SegmentationDouglasPeucker_DouglasPeuckerReduction(
points,
1,
exception,
);
exception.handle(); exception.handle();
print('Point1 added !'); final count = nativeLibrary.System_Collections_Generic_List_A1_Count_Get(
douglasPeuckerList,
nativeLibrary.System_Collections_Generic_List_A1_Add( type,
points, type, point2, exception); exception,
);
exception.handle(); exception.handle();
print('Point2 added !'); final List<DaliPoint> dartList = [];
for (int i = 0; i < count; i++) {
final douglasPoint =
nativeLibrary.System_Collections_Generic_List_A1_Item_Get(
douglasPeuckerList,
type,
i,
exception,
);
nativeLibrary.System_Collections_Generic_List_A1_Add(
points, type, point3, exception);
exception.handle(); exception.handle();
dartList.add(
DaliPoint.fromPointer(douglasPoint),
);
}
print('Point3 added !'); return dartList;
} }
} }

67035
SegmentationDouglasPeucker.Flutter/lib/gen/generated_bindings.dart
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122
SegmentationDouglasPeucker.Flutter/lib/main.dart
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@ -1,5 +1,8 @@
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:segmentation_douglas_peucker_flutter/dali_point.dart';
import 'package:segmentation_douglas_peucker_flutter/douglas.dart'; import 'package:segmentation_douglas_peucker_flutter/douglas.dart';
import 'package:segmentation_douglas_peucker_flutter/sketcher_line.dart';
import 'package:segmentation_douglas_peucker_flutter/sketcher_points.dart';
void main() { void main() {
runApp(const MainApp()); runApp(const MainApp());
@ -28,77 +31,56 @@ class Main extends StatefulWidget {
} }
class _MainState extends State<Main> { class _MainState extends State<Main> {
List<DaliPoint> _points = [];
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
// MyLib.runExample(); return Stack(
Douglas.runExample(); alignment: Alignment.topRight,
children: [
return const Text('Hello World!'); Listener(
behavior: HitTestBehavior.opaque,
// final int sum = nativeLibrary.MathLib_Math_Sum(mathLib, list, outException) onPointerMove: (event) {
setState(() {
// final System_Object_t point1 = _points.add(
// nativeLibrary.System_Drawing_Point_Create(200, 400, nullptr); DaliPoint(
// final System_Object_t point2 = event.localPosition.dx.toInt(),
// nativeLibrary.System_Drawing_Point_Create(200, 500, nullptr); event.localPosition.dy.toInt(),
// final System_Object_t point3 = ),
// nativeLibrary.System_Drawing_Point_Create(200, 600, nullptr); );
// final System_Object_t point4 = });
// nativeLibrary.System_Drawing_Point_Create(200, 700, nullptr); },
// final System_Type_t type = nativeLibrary.System_Drawing_Point_TypeOf(); child: SizedBox(
width: MediaQuery.sizeOf(context).width,
// print(DaliPoint.fromPointer(point1)); height: MediaQuery.sizeOf(context).height,
child: Stack(
// final correctType = nativeLibrary.DNObjectIs(point1, type); children: [
CustomPaint(
// print('Correct type: $correctType'); painter: SketcherLine(
points: _points,
// final points = nativeLibrary.System_Collections_Generic_List_A1_Create_1( ),
// type, ),
// 4, CustomPaint(
// exception, painter: SketcherPoints(
// ); points: _points,
),
// DotNetException.handle(exception); ),
],
// final count = nativeLibrary.System_Collections_Generic_List_A1_Count_Get( ),
// points, ),
// type, ),
// exception, Padding(
// ); padding: const EdgeInsets.all(32),
child: ElevatedButton(
// print('Count: $count'); onPressed: () {
final newPoints = Douglas.transformDouglasPeucker(_points);
// DotNetException.handle(exception); setState(() {
_points = newPoints;
// return const Text('Hello World!'); });
},
// nativeLibrary.System_Collections_Generic_List_A1_Add( child: const Text('Apply Douglas Peucker'),
// points, pointType, point1, nullptr); ),
// nativeLibrary.System_Collections_Generic_List_A1_Add( )
// points, nullptr, point2, nullptr); ],
// nativeLibrary.System_Collections_Generic_List_A1_Add( );
// points, nullptr, point3, nullptr);
// nativeLibrary.System_Collections_Generic_List_A1_Add(
// points, nullptr, point4, nullptr);
// final reduction = nativeLibrary
// .DALI_Segmentation_SegmentationDouglasPeucker_DouglasPeuckerReduction(
// points.cast(), 1, nullptr);
// final reducted = <DaliPoint>[];
// for (var i = 0; i < count; i++) {
// final item = nativeLibrary.System_Collections_Generic_List_A1_Item_Get(
// reduction, nullptr, i, nullptr);
// reducted.add(DaliPoint.fromPointer(item));
// }
// nativeLibrary.System_Collections_Generic_List_A1_Destroy(reduction);
// nativeLibrary.System_Collections_Generic_List_A1_Destroy(points);
// print(reducted);
// return Text('Hello World! ${reducted.length}');
} }
} }

124
SegmentationDouglasPeucker.Flutter/lib/my_lib.dart
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@ -1,87 +1,87 @@
import 'dart:ffi'; // import 'dart:ffi';
import 'package:ffi/ffi.dart'; // import 'package:ffi/ffi.dart';
import 'package:segmentation_douglas_peucker_flutter/dali_point.dart'; // import 'package:segmentation_douglas_peucker_flutter/dali_point.dart';
import 'package:segmentation_douglas_peucker_flutter/dotnet_exception.dart'; // import 'package:segmentation_douglas_peucker_flutter/dotnet_exception.dart';
import 'package:segmentation_douglas_peucker_flutter/gen/generated_bindings.dart'; // import 'package:segmentation_douglas_peucker_flutter/gen/generated_bindings.dart';
import 'package:segmentation_douglas_peucker_flutter/lib.dart'; // import 'package:segmentation_douglas_peucker_flutter/lib.dart';
abstract class MyLib { // abstract class MyLib {
static void runExample() { // static void runExample() {
final NativeLibrary nativeLibrary = // final NativeLibrary nativeLibrary =
NativeLibrary(Lib.init('MyLib.Managed')); // NativeLibrary(Lib.init('MyLib.Managed'));
final Pointer<System_Exception_t> exception = calloc(); // final Pointer<System_Exception_t> exception = calloc();
print('Exception allocated ! ($exception)'); // print('Exception allocated ! ($exception)');
final MyLib_Hello_t hello = nativeLibrary.MyLib_Hello_Create(exception); // final MyLib_Hello_t hello = nativeLibrary.MyLib_Hello_Create(exception);
exception.handle(); // exception.handle();
print('Hello created ! ($hello)'); // print('Hello created ! ($hello)');
final MathLib_Math_t mathLib = // final MathLib_Math_t mathLib =
nativeLibrary.MyLib_Hello_GetMath(hello, exception); // nativeLibrary.MyLib_Hello_GetMath(hello, exception);
exception.handle(); // exception.handle();
print('MathLib created ! ($mathLib)'); // print('MathLib created ! ($mathLib)');
final System_Drawing_Point_t point1 = // final System_Drawing_Point_t point1 =
nativeLibrary.System_Drawing_Point_Create(200, 400, exception); // nativeLibrary.System_Drawing_Point_Create(200, 400, exception);
exception.handle(); // exception.handle();
final DaliPoint daliPoint1 = DaliPoint.fromPointer(point1); // final DaliPoint daliPoint1 = DaliPoint.fromPointer(point1);
print('Point1: $daliPoint1'); // print('Point1: $daliPoint1');
final System_Drawing_Point_t point2 = // final System_Drawing_Point_t point2 =
nativeLibrary.System_Drawing_Point_Create(200, 500, exception); // nativeLibrary.System_Drawing_Point_Create(200, 500, exception);
exception.handle(); // exception.handle();
final DaliPoint daliPoint2 = DaliPoint.fromPointer(point2); // final DaliPoint daliPoint2 = DaliPoint.fromPointer(point2);
print('Point2: $daliPoint2'); // print('Point2: $daliPoint2');
final System_Drawing_Point_t point3 = // final System_Drawing_Point_t point3 =
nativeLibrary.System_Drawing_Point_Create(200, 600, exception); // nativeLibrary.System_Drawing_Point_Create(200, 600, exception);
exception.handle(); // exception.handle();
final DaliPoint daliPoint3 = DaliPoint.fromPointer(point3); // final DaliPoint daliPoint3 = DaliPoint.fromPointer(point3);
print('Point3: $daliPoint3'); // print('Point3: $daliPoint3');
final System_Type_t pointType = nativeLibrary.System_Drawing_Point_TypeOf(); // final System_Type_t pointType = nativeLibrary.System_Drawing_Point_TypeOf();
final System_Collections_Generic_List_A1_t points = // final System_Collections_Generic_List_A1_t points =
nativeLibrary.System_Collections_Generic_List_A1_Create_1( // nativeLibrary.System_Collections_Generic_List_A1_Create_1(
pointType, // pointType,
3, // 3,
exception, // exception,
); // );
exception.handle(); // exception.handle();
print('Points list created ! ($points)'); // print('Points list created ! ($points)');
nativeLibrary.System_Collections_Generic_List_A1_Add( // nativeLibrary.System_Collections_Generic_List_A1_Add(
points, pointType, point1, exception); // points, pointType, point1, exception);
exception.handle(); // exception.handle();
print('Point1 added !'); // print('Point1 added !');
nativeLibrary.System_Collections_Generic_List_A1_Add( // nativeLibrary.System_Collections_Generic_List_A1_Add(
points, pointType, point2, exception); // points, pointType, point2, exception);
exception.handle(); // exception.handle();
print('Point2 added !'); // print('Point2 added !');
nativeLibrary.System_Collections_Generic_List_A1_Add( // nativeLibrary.System_Collections_Generic_List_A1_Add(
points, pointType, point3, exception); // points, pointType, point3, exception);
exception.handle(); // exception.handle();
print('Point3 added !'); // print('Point3 added !');
final pointSum = // final pointSum =
nativeLibrary.MathLib_Math_SumPoints(mathLib, points, exception); // nativeLibrary.MathLib_Math_SumPoints(mathLib, points, exception);
exception.handle(); // exception.handle();
final DaliPoint daliPointSum = DaliPoint.fromPointer(pointSum); // final DaliPoint daliPointSum = DaliPoint.fromPointer(pointSum);
print('Point sum: $daliPointSum'); // print('Point sum: $daliPointSum');
} // }
} // }

44
SegmentationDouglasPeucker.Flutter/lib/sketcher_line.dart Normal file
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@ -0,0 +1,44 @@
import 'package:flutter/material.dart' hide TextStyle;
import 'package:segmentation_douglas_peucker_flutter/dali_point.dart';
class SketcherLine extends CustomPainter {
SketcherLine({
required this.points,
});
final List<DaliPoint> points;
@override
void paint(Canvas canvas, Size size) {
final Paint paint = Paint()
..style = PaintingStyle.stroke
..strokeWidth = 10;
// Set the paint options.
paint.color = Colors.blue;
final path = Path();
if (points.isEmpty) {
return;
}
// Otherwise, draw a line that connects each point with a curve.
path.moveTo(
points[0].x.toDouble(),
points[0].y.toDouble(),
);
for (int i = 0; i < points.length; i++) {
path.lineTo(
points[i].x.toDouble(),
points[i].y.toDouble(),
);
}
canvas.drawPath(path, paint);
}
@override
bool shouldRepaint(SketcherLine oldDelegate) => true;
}

46
SegmentationDouglasPeucker.Flutter/lib/sketcher_points.dart Normal file
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@ -0,0 +1,46 @@
import 'package:flutter/material.dart' hide TextStyle;
import 'package:segmentation_douglas_peucker_flutter/dali_point.dart';
class SketcherPoints extends CustomPainter {
SketcherPoints({
required this.points,
});
final List<DaliPoint> points;
@override
void paint(Canvas canvas, Size size) {
final Paint paint = Paint();
paint.color = Colors.red;
final path = Path();
if (points.isEmpty) {
return;
}
// Otherwise, draw a line that connects each point with a curve.
path.moveTo(
points[0].x.toDouble(),
points[0].y.toDouble(),
);
for (int i = 0; i < points.length; i++) {
path.addOval(
Rect.fromCircle(
center: Offset(
points[i].x.toDouble(),
points[i].y.toDouble(),
),
radius: 5,
),
);
canvas.drawPath(path, paint);
}
}
@override
bool shouldRepaint(SketcherPoints oldDelegate) => true;
}