Added Cubic and PolyBezier Curves

open_vector_format.proto

@@ -374,6 +374,14 @@ message VectorBlock {
     ExposurePause exposure_pause = 10;
     LineSequenceParaAdapt line_sequence_para_adapt = 11;
     HatchesParaAdapt _hatchParaAdapt = 12;
+    CubicBezierHatches cubic_bezier_hatches = 13;                  
+    QuadraticBezierHatches quadratic_bezier_hatches = 14;          
+    CubicBezierSpline cubic_bezier_spline = 15;              
+    QuadraticBezierSpline quadratic_bezier_spline = 16;   
+    CubicBezierHatches3D cubic_bezier_hatches_3d = 17;                  
+    QuadraticBezierHatches3D quadratic_bezier_hatches_3d = 18;          
+    CubicBezierSpline3D cubic_bezier_spline_3d = 19;              
+    QuadraticBezierSpline3D quadratic_bezier_spline_3d = 20;  
   }
 
   //key used in Job/markingParamsMap
@@ -588,6 +596,69 @@ message VectorBlock {
   message HatchesParaAdapt {
     repeated LineSequenceParaAdapt hatchAsLinesequence = 1;
   }
+
+  // Quadratic Bézier segments in 2D.
+  // Each segment: (x0, y0, cx, cy, x1, y1)  => 6 floats/segment.
+  // Pack N: [x0,y0,cx,cy,x1,y1,  x0,y0,cx,cy,x1,y1,  ...]
+  message QuadraticBezierHatches {
+    repeated float segments = 1;
+  }
+
+  // Cubic Bézier segments in 2D.
+  // Each segment: (x0, y0, c1x, c1y, c2x, c2y, x1, y1)  => 8 floats/segment.
+  // Pack N: [x0,y0,c1x,c1y,c2x,c2y,x1,y1,  ...]
+  message CubicBezierHatches {
+    repeated float segments = 1;
+  }
+
+  // Linked Quadratic Bézier spline in 2D (continuous).
+  // start_control packs tuples (x_i, y_i, cx_i, cy_i) => 4 floats/tuple.
+  // The end of segment i is the start (x_{i+1},y_{i+1}); the last segment ends at (last_x,last_y).
+  message QuadraticBezierSpline {
+    repeated float start_control = 1; // len % 4 == 0, len >= 4
+    float last_x = 2;
+    float last_y = 3;
+  }
+
+  // Linked Cubic Bézier spline in 2D (continuous).
+  // start_control packs tuples (x_i, y_i, c1x_i, c1y_i, c2x_i, c2y_i) => 6 floats/tuple.
+  message CubicBezierSpline {
+    repeated float start_control = 1; // len % 6 == 0, len >= 6
+    float last_x = 2;
+    float last_y = 3;
+  }
+
+  // Quadratic Bézier segments in 3D.
+  // Each segment: (x0, y0, z0, cx, cy, cz, x1, y1, z1)  => 9 floats/segment.
+  // Pack N: [x0,y0,z0,cx,cy,cz,x1,y1,z1,  x0,y0,z0,cx,cy,cz,x1,y1,z1,  ...]
+  message QuadraticBezierHatches3D {
+    repeated float segments = 1;
+  }
+
+  // Cubic Bézier segments in 3D.
+  // Each segment: (x0, y0, z0, c1x, c1y, c1z, c2x, c2y, c2z, x1, y1, z1)  => 12 floats/segment.
+  // Pack N: [x0,y0,z0,c1x,c1y,c1z,c2x,c2y,c2z,x1,y1,z1,  ...]
+  message CubicBezierHatches3D {
+    repeated float segments = 1;
+  }
+
+  // Linked Quadratic Bézier spline in 3D (continuous).
+  // start_control packs (x_i, y_i, z_i, cx_i, cy_i, cz_i) => 6 floats/tuple.
+  message QuadraticBezierSpline3D {
+    repeated float start_control = 1; // len % 6 == 0, len >= 6
+    float last_x = 2;
+    float last_y = 3;
+    float last_z = 4;
+  }
+
+  // Linked Cubic Bézier spline in 3D (continuous).
+  // start_control packs (x_i, y_i, z_i, c1x_i, c1y_i, c1z_i, c2x_i, c2y_i, c2z_i) => 9 floats/tuple.
+  message CubicBezierSpline3D {
+    repeated float start_control = 1; // len % 9 == 0, len >= 9
+    float last_x = 2;
+    float last_y = 3;
+    float last_z = 4;
+  }
 }
 
   //axis aligned rectangular box in 2D