fix crashbug 2d resize. add 2d tests. print offscreen warning better.

2 files changed, 59 insertions, 0 deletions

diff --git a/testdata/scad/features/resize-2d-tests.scad b/testdata/scad/features/resize-2d-tests.scad
new file mode 100644
index 0000000..76da09e
--- /dev/null
+++ b/testdata/scad/features/resize-2d-tests.scad
@@ -0,0 +1,45 @@
+// red = reference
+
+$fn=10;
+
+// two simple holes
+module shape(){
+	difference() {
+		square([5,5]);
+		translate([1,1]) square();
+		translate([3,3]) circle();
+	}
+}
+
+// holes that have problems (duplicate vertex)
+module shape2(){
+	difference() {
+		square([5,5]);
+		translate([1,1]) square();
+		translate([2,2]) square();
+	}
+}
+
+// one square split into two by another
+module shape3(){
+	difference() {
+		square([5,5]);
+		translate([0,2.5]) square([5,1]);
+	}
+}
+
+translate([0,0]) resize([15,15]) shape();
+translate([0,16]) resize([15,15,0]) shape2();
+translate([0,32]) resize([15,15]) shape3();
+
+color("red") {
+translate([-16,0]) scale([3,3]) shape();
+translate([-16,16]) scale([3,3]) shape2();
+translate([-16,32]) scale([3,3]) shape3();
+}
+
+color("green"){
+translate([16,0]) resize([15,0],auto=true) shape();
+translate([16,16]) resize([0,15],auto=true) shape2();
+translate([16,32]) resize([0,0,15],auto=true) shape3();
+}
diff --git a/testdata/scad/features/resize-tests.scad b/testdata/scad/features/resize-tests.scad
index f2e9148..76f49ee 100644
--- a/testdata/scad/features/resize-tests.scad
+++ b/testdata/scad/features/resize-tests.scad
@@ -1,6 +1,7 @@
 // bottom row = reference
 // middle row = should match reference
 // top row = should be inscribed in middle row in 'top' view
+// back row = should be all cubes auto-scaled up
 
 $fn=10;
 
@@ -39,4 +40,17 @@ translate([2.5,50.5,10]) resize([5,0,7]) sphere(0.5);
 translate([4,74.5,10]) resize([8,9]) sphere(0.5); 
 translate([4.5,80.5,10]) resize([9]) sphere(0.5); 
 translate([2.5,93,10]) resize([5,6,7]) sphere(0.5); 
+}
+
+color("green"){
+translate([10, 0, 0]) cube(); 
+translate([10,10,0]) resize([5,0,0],auto=true) cube(); 
+translate([10,20,0]) resize([0,6,0],auto=true) cube(); 
+translate([10,30,0]) resize([0,0,7],auto=true) cube(); 
+translate([10,40,0]) resize([5,6,0],true) cube(); 
+translate([10,60,0]) resize([0,6,7],auto=true) cube(); 
+translate([10,50,0]) resize([5,0,7],true) cube(); 
+translate([10,70,0]) resize([8,9],auto=true) cube(); 
+translate([10,80,0]) resize([9],true) cube(); 
+translate([10,90,0]) resize([5,6,7],auto=true) cube(); 
 }
\ No newline at end of file