Fix margin-border-padding widths for floating Text min-max-width calculation

DEVSIX-3958

Autoported commit.
Original commit hash: [a009bcd11]

Author: yulian-gaponenko

itext.tests/itext.layout.tests/itext/layout/renderer/TextRendererTest.cs

@@ -324,5 +324,23 @@ public virtual void OverflowWrapAnywhereItalicSimulationMinWidth() {
             float minWidthAndItalicSimulation = textRenderer.GetMinMaxWidth().GetMinWidth();
             NUnit.Framework.Assert.IsTrue(minWidthAndItalicSimulation > minWidthNoItalicSimulation);
         }
+
+        [NUnit.Framework.Test]
+        public virtual void FloatingRightMinMaxWidth() {
+            String longestWord = "float:right";
+            String wholeText = "text with " + longestWord;
+            TextRenderer textRenderer = new TextRenderer(new Text(wholeText));
+            textRenderer.SetProperty(Property.FLOAT, FloatPropertyValue.RIGHT);
+            textRenderer.SetParent(CreateDummyDocument().GetRenderer());
+            PdfFont font = PdfFontFactory.CreateFont();
+            int fontSize = 12;
+            textRenderer.SetProperty(Property.FONT, font);
+            textRenderer.SetProperty(Property.FONT_SIZE, UnitValue.CreatePointValue(fontSize));
+            float expectedMaxWidth = font.GetWidth(wholeText, fontSize);
+            float expectedMinWidth = font.GetWidth(longestWord, fontSize);
+            MinMaxWidth minMaxWidth = textRenderer.GetMinMaxWidth();
+            NUnit.Framework.Assert.AreEqual(expectedMinWidth, minMaxWidth.GetMinWidth(), 0.01f);
+            NUnit.Framework.Assert.AreEqual(expectedMaxWidth, minMaxWidth.GetMaxWidth(), 0.01f);
+        }
     }
 }

itext/itext.layout/itext/layout/renderer/TextRenderer.cs

@@ -178,13 +178,14 @@ public override LayoutResult Layout(LayoutContext layoutContext) {
                 FloatingHelper.AdjustFloatedBlockLayoutBox(this, layoutBox, null, floatRendererAreas, floatPropertyValue, 
                     overflowX);
             }
+            float preMarginBorderPaddingWidth = layoutBox.GetWidth();
             UnitValue[] margins = GetMargins();
             ApplyMargins(layoutBox, margins, false);
             Border[] borders = GetBorders();
             ApplyBorderBox(layoutBox, borders, false);
             UnitValue[] paddings = GetPaddings();
             ApplyPaddings(layoutBox, paddings, false);
-            MinMaxWidth countedMinMaxWidth = new MinMaxWidth(area.GetBBox().GetWidth() - layoutBox.GetWidth());
+            MinMaxWidth countedMinMaxWidth = new MinMaxWidth(preMarginBorderPaddingWidth - layoutBox.GetWidth());
             AbstractWidthHandler widthHandler;
             if (noSoftWrap) {
                 widthHandler = new SumSumWidthHandler(countedMinMaxWidth);
@@ -888,7 +889,7 @@ public override void Draw(DrawContext drawContext) {
                 if (horizontalScaling != null && horizontalScaling != 1) {
                     canvas.SetHorizontalScaling((float)horizontalScaling * 100);
                 }
-                GlyphLine.IGlyphLineFilter filter = new _IGlyphLineFilter_953();
+                GlyphLine.IGlyphLineFilter filter = new _IGlyphLineFilter_954();
                 bool appearanceStreamLayout = true.Equals(GetPropertyAsBoolean(Property.APPEARANCE_STREAM_LAYOUT));
                 if (GetReversedRanges() != null) {
                     bool writeReversedChars = !appearanceStreamLayout;
@@ -950,8 +951,8 @@ public override void Draw(DrawContext drawContext) {
             }
         }
 
-        private sealed class _IGlyphLineFilter_953 : GlyphLine.IGlyphLineFilter {
-            public _IGlyphLineFilter_953() {
+        private sealed class _IGlyphLineFilter_954 : GlyphLine.IGlyphLineFilter {
+            public _IGlyphLineFilter_954() {
             }
 
             public bool Accept(Glyph glyph) {

port-hash

@@ -1 +1 @@
-d3b3998013941ca7d12e5e1596f03edd9cbd2a5f
+a009bcd1103b8b23197dc80b02686acbe3fc9c0e