Index: trunk/src/change.c
===================================================================
--- trunk/src/change.c	(revision 10806)
+++ trunk/src/change.c	(revision 10807)
@@ -456,8 +456,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	change = pcb_selected_operation(PCB, &ChangeSizeFunctions, &ctx, pcb_false, types);
 	if (change) {
@@ -478,8 +478,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	if (pcb_mask_on(PCB))
 		change = pcb_selected_operation(PCB, &ChangeMaskSizeFunctions, &ctx, pcb_false, types);
@@ -503,8 +503,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	change = pcb_selected_operation(PCB, &Change2ndSizeFunctions, &ctx, pcb_false, types);
 	if (change) {
@@ -660,8 +660,8 @@
 
 	ctx.chgangle.pcb = PCB;
 	ctx.chgangle.is_primary = is_start;
-	ctx.chgangle.absolute = (fixIt) ? Difference : 0;
-	ctx.chgangle.delta = Difference;
+	ctx.chgangle.is_absolute = fixIt;
+	ctx.chgangle.value = Difference;
 
 	change = pcb_selected_operation(PCB, &ChangeAngleFunctions, &ctx, pcb_false, types);
 	if (change) {
@@ -682,8 +682,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = is_start;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	change = pcb_selected_operation(PCB, &ChangeRadiusFunctions, &ctx, pcb_false, types);
 	if (change) {
@@ -844,8 +844,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	change = (pcb_object_operation(&ChangeSizeFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL);
 	if (change) {
@@ -866,8 +866,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	change = (pcb_object_operation(&Change1stSizeFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL);
 	if (change) {
@@ -888,8 +888,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = is_x;
-	ctx.chgsize.absolute = (fixIt) ? r : 0;
-	ctx.chgsize.delta = r;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = r;
 
 	change = (pcb_object_operation(&ChangeRadiusFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL);
 	if (change) {
@@ -900,7 +900,7 @@
 }
 
 /* ---------------------------------------------------------------------------
- * changes the angles of the passed object (e.g. arc start/ctx->chgsize.delta)
+ * changes the angles of the passed object (e.g. arc start/ctx->chgsize.value)
  * Returns pcb_true if anything is changed
  */
 pcb_bool pcb_chg_obj_angle(int Type, void *Ptr1, void *Ptr2, void *Ptr3, int is_start, pcb_angle_t a, pcb_bool fixIt)
@@ -910,8 +910,8 @@
 
 	ctx.chgangle.pcb = PCB;
 	ctx.chgangle.is_primary = is_start;
-	ctx.chgangle.absolute = (fixIt) ? a : 0;
-	ctx.chgangle.delta = a;
+	ctx.chgangle.is_absolute = fixIt;
+	ctx.chgangle.value = a;
 
 	change = (pcb_object_operation(&ChangeAngleFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL);
 	if (change) {
@@ -933,8 +933,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	if (pcb_mask_on(PCB))
 		change = (pcb_object_operation(&ChangeMaskSizeFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL);
@@ -979,8 +979,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	change = (pcb_object_operation(&Change2ndSizeFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL);
 	if (change) {
@@ -1002,8 +1002,8 @@
 
 	ctx.chgsize.pcb = PCB;
 	ctx.chgsize.is_primary = 1;
-	ctx.chgsize.absolute = (fixIt) ? Difference : 0;
-	ctx.chgsize.delta = Difference;
+	ctx.chgsize.is_absolute = fixIt;
+	ctx.chgsize.value = Difference;
 
 	change = (pcb_object_operation(&ChangeMaskSizeFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL);
 	if (change) {
@@ -1134,7 +1134,7 @@
 	pcb_opctx_t ctx;
 
 	ctx.chgsize.pcb = PCB;
-	ctx.chgsize.absolute = style;
+	ctx.chgsize.value = style;
 
 	if (pcb_object_operation(&ChangeSquareFunctions, &ctx, Type, Ptr1, Ptr2, Ptr3) != NULL) {
 		pcb_draw();
Index: trunk/src/obj_arc.c
===================================================================
--- trunk/src/obj_arc.c	(revision 10806)
+++ trunk/src/obj_arc.c	(revision 10807)
@@ -350,7 +350,7 @@
 /* changes the size of an arc */
 void *pcb_arcop_change_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Arc->Thickness + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Arc->Thickness + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Arc))
 		return (NULL);
@@ -372,7 +372,7 @@
 /* changes the clearance size of an arc */
 void *pcb_arcop_change_clear_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_arc_t *Arc)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Arc->Clearance + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Arc->Clearance + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Arc) || !PCB_FLAG_TEST(PCB_FLAG_CLEARLINE, Arc))
 		return (NULL);
@@ -418,7 +418,7 @@
 			return NULL;
 	}
 
-	value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : (*dst) + ctx->chgsize.delta;
+	value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : (*dst) + ctx->chgsize.value;
 	value = MIN(PCB_MAX_ARCSIZE, MAX(value, PCB_MIN_ARCSIZE));
 	if (value != *dst) {
 		pcb_undo_add_obj_to_change_radii(PCB_TYPE_ARC, Layer, Arc, Arc);
@@ -455,7 +455,7 @@
 			return NULL;
 	}
 
-	value = (ctx->chgangle.absolute) ? ctx->chgangle.absolute : (*dst) + ctx->chgangle.delta;
+	value = (ctx->chgangle.is_absolute) ? ctx->chgangle.value : (*dst) + ctx->chgangle.value;
 	value = fmod(value, 360.0);
 	if (value < 0)
 		value += 360;
Index: trunk/src/obj_elem.c
===================================================================
--- trunk/src/obj_elem.c	(revision 10806)
+++ trunk/src/obj_elem.c	(revision 10807)
@@ -1337,7 +1337,7 @@
 		return (NULL);
 	PCB_PIN_LOOP(Element);
 	{
-		value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : pin->DrillingHole + ctx->chgsize.delta;
+		value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : pin->DrillingHole + ctx->chgsize.value;
 		if (value <= PCB_MAX_PINORVIASIZE &&
 				value >= PCB_MIN_PINORVIAHOLE && (PCB_FLAG_TEST(PCB_FLAG_HOLE, pin) || value <= pin->Thickness - PCB_MIN_PINORVIACOPPER)
 				&& value != pin->DrillingHole) {
@@ -1371,7 +1371,7 @@
 		return (NULL);
 	PCB_PIN_LOOP(Element);
 	{
-		value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : pin->DrillingHole + ctx->chgsize.delta;
+		value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : pin->DrillingHole + ctx->chgsize.value;
 		if (value <= PCB_MAX_PINORVIASIZE && value >= pin->DrillingHole + PCB_MIN_PINORVIACOPPER && value != pin->Thickness) {
 			changed = pcb_true;
 			pcb_undo_add_obj_to_size(PCB_TYPE_PIN, Element, pin, pin);
@@ -1403,7 +1403,7 @@
 		return (NULL);
 	PCB_PIN_LOOP(Element);
 	{
-		value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : pin->Clearance + ctx->chgsize.delta;
+		value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : pin->Clearance + ctx->chgsize.value;
 		if (value <= PCB_MAX_PINORVIASIZE &&
 				value >= PCB_MIN_PINORVIAHOLE && (PCB_FLAG_TEST(PCB_FLAG_HOLE, pin) || value <= pin->Thickness - PCB_MIN_PINORVIACOPPER)
 				&& value != pin->Clearance) {
@@ -1424,7 +1424,7 @@
 
 	PCB_PAD_LOOP(Element);
 	{
-		value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : pad->Clearance + ctx->chgsize.delta;
+		value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : pad->Clearance + ctx->chgsize.value;
 		if (value <= PCB_MAX_PINORVIASIZE && value >= PCB_MIN_PINORVIAHOLE && value != pad->Clearance) {
 			changed = pcb_true;
 			pcb_undo_add_obj_to_clear_size(PCB_TYPE_PAD, Element, pad, pad);
@@ -1463,7 +1463,7 @@
 		pcb_elem_invalidate_erase(Element);
 	PCB_ELEMENT_PCB_LINE_LOOP(Element);
 	{
-		value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : line->Thickness + ctx->chgsize.delta;
+		value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : line->Thickness + ctx->chgsize.value;
 		if (value <= PCB_MAX_LINESIZE && value >= PCB_MIN_LINESIZE && value != line->Thickness) {
 			pcb_undo_add_obj_to_size(PCB_TYPE_ELEMENT_LINE, Element, line, line);
 			line->Thickness = value;
@@ -1473,7 +1473,7 @@
 	PCB_END_LOOP;
 	PCB_ARC_LOOP(Element);
 	{
-		value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : arc->Thickness + ctx->chgsize.delta;
+		value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : arc->Thickness + ctx->chgsize.value;
 		if (value <= PCB_MAX_LINESIZE && value >= PCB_MIN_LINESIZE && value != arc->Thickness) {
 			pcb_undo_add_obj_to_size(PCB_TYPE_ELEMENT_ARC, Element, arc, arc);
 			arc->Thickness = value;
@@ -1492,8 +1492,8 @@
 /* changes the scaling factor of a elementname object; returns pcb_true if changed */
 void *pcb_elemop_change_name_size(pcb_opctx_t *ctx, pcb_element_t *Element)
 {
-	int value = ctx->chgsize.absolute ? PCB_COORD_TO_MIL(ctx->chgsize.absolute)
-		: PCB_ELEM_TEXT_DESCRIPTION(Element).Scale + PCB_COORD_TO_MIL(ctx->chgsize.delta);
+	int value = ctx->chgsize.is_absolute ? PCB_COORD_TO_MIL(ctx->chgsize.value)
+		: PCB_ELEM_TEXT_DESCRIPTION(Element).Scale + PCB_COORD_TO_MIL(ctx->chgsize.value);
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, &Element->Name[0]))
 		return (NULL);
Index: trunk/src/obj_line.c
===================================================================
--- trunk/src/obj_line.c	(revision 10806)
+++ trunk/src/obj_line.c	(revision 10807)
@@ -340,7 +340,7 @@
 /* changes the size of a line */
 void *pcb_lineop_change_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_line_t *Line)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Line->Thickness + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Line->Thickness + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Line))
 		return (NULL);
@@ -362,7 +362,7 @@
 /*changes the clearance size of a line */
 void *pcb_lineop_change_clear_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_line_t *Line)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Line->Clearance + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Line->Clearance + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Line) || !PCB_FLAG_TEST(PCB_FLAG_CLEARLINE, Line))
 		return (NULL);
Index: trunk/src/obj_pad.c
===================================================================
--- trunk/src/obj_pad.c	(revision 10806)
+++ trunk/src/obj_pad.c	(revision 10807)
@@ -261,7 +261,7 @@
 /* changes the size of a pad */
 void *pcb_padop_change_size(pcb_opctx_t *ctx, pcb_element_t *Element, pcb_pad_t *Pad)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Pad->Thickness + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Pad->Thickness + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Pad))
 		return (NULL);
@@ -285,7 +285,7 @@
 /* changes the clearance size of a pad */
 void *pcb_padop_change_clear_size(pcb_opctx_t *ctx, pcb_element_t *Element, pcb_pad_t *Pad)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Pad->Clearance + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Pad->Clearance + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Pad))
 		return (NULL);
@@ -293,9 +293,9 @@
 		value = 0;
 	else
 		value = MIN(PCB_MAX_LINESIZE, value);
-	if (ctx->chgsize.delta < 0 && value < PCB->Bloat * 2)
+	if (!ctx->chgsize.is_absolute && ctx->chgsize.value < 0 && value < PCB->Bloat * 2)
 		value = 0;
-	if ((ctx->chgsize.delta > 0 || ctx->chgsize.absolute) && value < PCB->Bloat * 2)
+	if (ctx->chgsize.value > 0 && value < PCB->Bloat * 2)
 		value = PCB->Bloat * 2 + 2;
 	if (value == Pad->Clearance)
 		return NULL;
@@ -383,10 +383,10 @@
 /* changes the mask size of a pad */
 void *pcb_padop_change_mask_size(pcb_opctx_t *ctx, pcb_element_t *Element, pcb_pad_t *Pad)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Pad->Mask + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Pad->Mask + ctx->chgsize.value;
 
 	value = MAX(value, 0);
-	if (value == Pad->Mask && ctx->chgsize.absolute == 0)
+	if (value == Pad->Mask && ctx->chgsize.value == 0)
 		value = Pad->Thickness;
 	if (value != Pad->Mask) {
 		pcb_undo_add_obj_to_mask_size(PCB_TYPE_PAD, Element, Pad, Pad);
Index: trunk/src/obj_pinvia.c
===================================================================
--- trunk/src/obj_pinvia.c	(revision 10806)
+++ trunk/src/obj_pinvia.c	(revision 10807)
@@ -411,7 +411,7 @@
 /* changes the size of a via */
 void *pcb_viaop_change_size(pcb_opctx_t *ctx, pcb_pin_t *Via)
 {
-	pcb_coord_t value = ctx->chgsize.absolute ? ctx->chgsize.absolute : Via->Thickness + ctx->chgsize.delta;
+	pcb_coord_t value = ctx->chgsize.is_absolute ? ctx->chgsize.value : Via->Thickness + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Via))
 		return (NULL);
@@ -438,7 +438,7 @@
 /* changes the drilling hole of a via */
 void *pcb_viaop_change_2nd_size(pcb_opctx_t *ctx, pcb_pin_t *Via)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Via->DrillingHole + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Via->DrillingHole + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Via))
 		return (NULL);
@@ -463,7 +463,7 @@
 /* changes the drilling hole of a pin */
 void *pcb_pinop_change_2nd_size(pcb_opctx_t *ctx, pcb_element_t *Element, pcb_pin_t *Pin)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Pin->DrillingHole + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Pin->DrillingHole + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Pin))
 		return (NULL);
@@ -489,7 +489,7 @@
 /* changes the clearance size of a via */
 void *pcb_viaop_change_clear_size(pcb_opctx_t *ctx, pcb_pin_t *Via)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Via->Clearance + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Via->Clearance + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Via))
 		return (NULL);
@@ -496,9 +496,9 @@
 	if (value < 0)
 		value = 0;
 	value = MIN(PCB_MAX_LINESIZE, value);
-	if (ctx->chgsize.delta < 0 && value < PCB->Bloat * 2)
+	if (!ctx->chgsize.is_absolute && ctx->chgsize.value < 0 && value < PCB->Bloat * 2)
 		value = 0;
-	if ((ctx->chgsize.delta > 0 || ctx->chgsize.absolute) && value < PCB->Bloat * 2)
+	if (ctx->chgsize.value > 0 && value < PCB->Bloat * 2)
 		value = PCB->Bloat * 2 + 2;
 	if (Via->Clearance == value)
 		return NULL;
@@ -519,7 +519,7 @@
 /* changes the size of a pin */
 void *pcb_pinop_change_size(pcb_opctx_t *ctx, pcb_element_t *Element, pcb_pin_t *Pin)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Pin->Thickness + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Pin->Thickness + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Pin))
 		return (NULL);
@@ -544,7 +544,7 @@
 /* changes the clearance size of a pin */
 void *pcb_pinop_change_clear_size(pcb_opctx_t *ctx, pcb_element_t *Element, pcb_pin_t *Pin)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Pin->Clearance + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Pin->Clearance + ctx->chgsize.value;
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Pin))
 		return (NULL);
@@ -551,9 +551,9 @@
 	if (value < 0)
 		value = 0;
 	value = MIN(PCB_MAX_LINESIZE, value);
-	if (ctx->chgsize.delta < 0 && value < PCB->Bloat * 2)
+	if (!ctx->chgsize.is_absolute && ctx->chgsize.value < 0 && value < PCB->Bloat * 2)
 		value = 0;
-	if ((ctx->chgsize.delta > 0 || ctx->chgsize.absolute) && value < PCB->Bloat * 2)
+	if (ctx->chgsize.value > 0 && value < PCB->Bloat * 2)
 		value = PCB->Bloat * 2 + 2;
 	if (Pin->Clearance == value)
 		return NULL;
@@ -626,8 +626,8 @@
 	pcb_undo_add_obj_to_clear_poly(PCB_TYPE_VIA, NULL, Via, Via, pcb_false);
 	pcb_poly_restore_to_poly(PCB->Data, PCB_TYPE_VIA, NULL, Via);
 	pcb_undo_add_obj_to_flag(PCB_TYPE_VIA, NULL, Via, Via);
-	PCB_FLAG_SQUARE_ASSIGN(ctx->chgsize.absolute, Via);
-	if (ctx->chgsize.absolute == 0)
+	PCB_FLAG_SQUARE_ASSIGN(ctx->chgsize.value, Via);
+	if (ctx->chgsize.value == 0)
 		PCB_FLAG_CLEAR(PCB_FLAG_SQUARE, Via);
 	else
 		PCB_FLAG_SET(PCB_FLAG_SQUARE, Via);
@@ -647,8 +647,8 @@
 	pcb_undo_add_obj_to_clear_poly(PCB_TYPE_PIN, Element, Pin, Pin, pcb_false);
 	pcb_poly_restore_to_poly(PCB->Data, PCB_TYPE_PIN, Element, Pin);
 	pcb_undo_add_obj_to_flag(PCB_TYPE_PIN, Element, Pin, Pin);
-	PCB_FLAG_SQUARE_ASSIGN(ctx->chgsize.absolute, Pin);
-	if (ctx->chgsize.absolute == 0)
+	PCB_FLAG_SQUARE_ASSIGN(ctx->chgsize.value, Pin);
+	if (ctx->chgsize.value == 0)
 		PCB_FLAG_CLEAR(PCB_FLAG_SQUARE, Pin);
 	else
 		PCB_FLAG_SET(PCB_FLAG_SQUARE, Pin);
@@ -782,10 +782,10 @@
 /* changes the mask size of a pin */
 void *pcb_pinop_change_mask_size(pcb_opctx_t *ctx, pcb_element_t *Element, pcb_pin_t *Pin)
 {
-	pcb_coord_t value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Pin->Mask + ctx->chgsize.delta;
+	pcb_coord_t value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Pin->Mask + ctx->chgsize.value;
 
 	value = MAX(value, 0);
-	if (value == Pin->Mask && ctx->chgsize.absolute == 0)
+	if (value == Pin->Mask && ctx->chgsize.value == 0)
 		value = Pin->Thickness;
 	if (value != Pin->Mask) {
 		pcb_undo_add_obj_to_mask_size(PCB_TYPE_PIN, Element, Pin, Pin);
@@ -804,7 +804,7 @@
 {
 	pcb_coord_t value;
 
-	value = (ctx->chgsize.absolute) ? ctx->chgsize.absolute : Via->Mask + ctx->chgsize.delta;
+	value = (ctx->chgsize.is_absolute) ? ctx->chgsize.value : Via->Mask + ctx->chgsize.value;
 	value = MAX(value, 0);
 	if (value != Via->Mask) {
 		pcb_undo_add_obj_to_mask_size(PCB_TYPE_VIA, Via, Via, Via);
Index: trunk/src/obj_text.c
===================================================================
--- trunk/src/obj_text.c	(revision 10806)
+++ trunk/src/obj_text.c	(revision 10807)
@@ -304,8 +304,8 @@
 /* changes the scaling factor of a text object */
 void *pcb_textop_change_size(pcb_opctx_t *ctx, pcb_layer_t *Layer, pcb_text_t *Text)
 {
-	int value = ctx->chgsize.absolute ? PCB_COORD_TO_MIL(ctx->chgsize.absolute)
-		: Text->Scale + PCB_COORD_TO_MIL(ctx->chgsize.delta);
+	int value = ctx->chgsize.is_absolute ? PCB_COORD_TO_MIL(ctx->chgsize.value)
+		: Text->Scale + PCB_COORD_TO_MIL(ctx->chgsize.value);
 
 	if (PCB_FLAG_TEST(PCB_FLAG_LOCK, Text))
 		return (NULL);
Index: trunk/src/operation.h
===================================================================
--- trunk/src/operation.h	(revision 10806)
+++ trunk/src/operation.h	(revision 10807)
@@ -43,14 +43,15 @@
 typedef struct {
 	pcb_board_t *pcb;
 	int is_primary;  /* whether the primary parameter should be changed */
-	pcb_coord_t delta;     /* change of size */
-	pcb_coord_t absolute;  /* Absolute size */
+	pcb_bool is_absolute;
+	pcb_coord_t value;     /* delta or absolute (depending on is_absoulute) */
 } pcb_opctx_chgsize_t;
 
 typedef struct {
 	pcb_board_t *pcb;
 	int is_primary;                 /* whether the primary parameter should be changed */
-	pcb_angle_t delta, absolute;    /* same as above, but for angles */
+	pcb_bool is_absolute;
+	pcb_angle_t value;     /* same as above, but for angles */
 } pcb_opctx_chgangle_t;
 
 typedef struct {