Support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element

DEVSIX-4782

Autoported commit.
Original commit hash: [f7c3c1127]

Author: ar3em

itext.tests/itext.svg.tests/itext/svg/googlecharts/GoogleChartsTest.cs

@@ -90,7 +90,7 @@ public virtual void BubbleChart() {
 
         [NUnit.Framework.Test]
         public virtual void CalendarChart() {
-            //TODO DEVSIX-4782 Support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
+            //TODO DEVSIX-4857 support stroke-linecap attribute
             PageSize pageSize = PageSize.A4;
             TestUtils.ConvertSVGtoPDF(destinationFolder + "calendarChart.pdf", sourceFolder + "calendarChart.svg", 1, 
                 pageSize);

itext.tests/itext.svg.tests/itext/svg/renderers/impl/PatternTest.cs

@@ -21,6 +21,8 @@ You should have received a copy of the GNU Affero General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 using System;
+using iText.Kernel.Geom;
+using iText.Svg.Exceptions;
 using iText.Svg.Renderers;
 using iText.Test;
 using iText.Test.Attributes;
@@ -40,84 +42,161 @@ public static void BeforeClass() {
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInCmUnitDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support 'viewbox'
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInCmUnitDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInInchUnitDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support 'viewbox'
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInInchUnitDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInEmUnitDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support 'viewbox'
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInEmUnitDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInExUnitDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support 'viewbox'
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInExUnitDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInPercentsDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support viewbox
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInPercentsDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInPxUnitDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support viewbox
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInPxUnitDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInMmUnitDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support 'viewbox'
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInMmUnitDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYInPtUnitDiffPatternUnitsTest() {
-            //TODO: DEVSIX-4782 support viewbox
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYInPtUnitDiffPatternUnits");
         }
 
         [NUnit.Framework.Test]
         public virtual void WidthHeightXYNoMeasureUnitTest() {
-            //TODO: DEVSIX-4782 support viewbox
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "widthHeightXYNoMeasureUnit");
         }
 
         [NUnit.Framework.Test]
         public virtual void HrefAttributeTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "hrefAttribute");
         }
 
         [NUnit.Framework.Test]
         public virtual void PatternUnitsObjectBoundingBoxTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternUnitsObjectBoundingBox");
         }
 
         [NUnit.Framework.Test]
         public virtual void PatternUnitsUserSpaceOnUseTest() {
-            //TODO: DEVSIX-4782 Support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternUnitsUserSpaceOnUse");
         }
 
+        [NUnit.Framework.Test]
+        public virtual void PreserveAspectRatioObjBoundingBoxTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "preserveAspectRatioObjBoundingBox", PageSize.A8);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void PreserveAspectRatioUserSpaceOnUseTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "preserveAspectRatioUserSpaceOnUse", PageSize.A8);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMinYMidMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMinYMidMeet", PageSize.A8);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMidYMidMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMidYMidMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMaxYMidMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMaxYMidMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMidYMinMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMidYMinMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMidYMaxMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMidYMaxMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMidYMidMeetVerticalTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMidYMidMeetVertical", PageSize.A10
+                );
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMinYMinMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMinYMinMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMinYMinMeetVerticalTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMinYMinMeetVertical", PageSize.A10
+                );
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMinYMaxMeetVerticalTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMinYMaxMeetVertical", PageSize.A10
+                );
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMinYMaxMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMinYMaxMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMaxYMinMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMaxYMinMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMaxYMinMeetVerticalTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMaxYMinMeetVertical", PageSize.A10
+                );
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMaxYMaxMeetTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMaxYMaxMeet", PageSize.A10);
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxXMaxYMaxMeetVerticalTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxXMaxYMaxMeetVertical", PageSize.A10
+                );
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ObjectBoundingBoxNoneTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "objectBoundingBoxNone", PageSize.A10);
+        }
+
         [NUnit.Framework.Test]
         public virtual void PatternContentUnitsUserSpaceOnUseTest() {
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternContentUnitsUserSpaceOnUse");
         }
 
         [NUnit.Framework.Test]
         public virtual void PatternContentUnitsObjBoundBoxTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternContentUnitsObjBoundBox");
         }
 
@@ -129,65 +208,57 @@ public virtual void PatternContentUnitsObjBoundBoxAbsoluteCoordTest() {
         }
 
         [NUnit.Framework.Test]
+        //TODO DEVSIX-4834 support relative units in attributes of svg elements
+        [LogMessage(iText.StyledXmlParser.LogMessageConstant.UNKNOWN_ABSOLUTE_METRIC_LENGTH_PARSED, Count = 8)]
         public virtual void ViewBoxAndAbsoluteCoordinatesTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "viewBoxAndAbsoluteCoordinates");
         }
 
         [NUnit.Framework.Test]
         public virtual void PatternTransformSimpleTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             //TODO DEVSIX-4811 support 'patternTransform' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternTransformSimple");
         }
 
         [NUnit.Framework.Test]
         public virtual void PatternTransformUnitsObjectBoundingBoxTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             //TODO DEVSIX-4811 support 'patternTransform' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternTransformUnitsObjectBoundingBox");
         }
 
         [NUnit.Framework.Test]
         public virtual void PatternTransformUnitsUserSpaceOnUseTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             //TODO DEVSIX-4811 support 'patternTransform' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternTransformUnitsUserSpaceOnUse");
         }
 
         [NUnit.Framework.Test]
         public virtual void PreserveAspectRatioXMaxYMidMeetTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "preserveAspectRatioXMaxYMidMeet");
         }
 
         [NUnit.Framework.Test]
         public virtual void PreserveAspectRatioXMaxYMidSliceTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "preserveAspectRatioXMaxYMidSlice");
         }
 
         [NUnit.Framework.Test]
         public virtual void PreserveAspectRatioXMidYMaxMeetTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "preserveAspectRatioXMidYMaxMeet");
         }
 
         [NUnit.Framework.Test]
         public virtual void PreserveAspectRatioXMidYMaxSliceTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "preserveAspectRatioXMidYMaxSlice");
         }
 
         [NUnit.Framework.Test]
         public virtual void RelativeUnitsResolveFromDefsTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "relativeUnitsResolveFromDefs");
         }
 
         [NUnit.Framework.Test]
         public virtual void RelativeUnitsResolveFromPatternTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "relativeUnitsResolveFromPattern");
         }
 
@@ -210,7 +281,6 @@ public virtual void SeveralComplexElementsInsidePatternTest() {
 
         [NUnit.Framework.Test]
         public virtual void NestedPatternsWithComplexElementsInsideTest() {
-            //TODO DEVSIX-4782 support 'viewbox' and `preserveAspectRatio' attribute for SVG pattern element
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "nestedPatternsWithComplexElementsInside");
         }
 
@@ -288,5 +358,74 @@ public virtual void PatternDefaultHeightTest() {
             // we print the default color that is black
             ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternDefaultHeight");
         }
+
+        [NUnit.Framework.Test]
+        public virtual void ViewBoxPatternXYTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "viewBoxPatternXY");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ViewBoxClippedTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "viewBoxClipped");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void CoordSystemTransformUserSpaceOnUseTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "coordSystemTransformUserSpaceOnUse");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void CoordSystemTransformObjBoundingBoxTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "coordSystemTransformObjBoundingBox");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void CoordSystemTransformMixed1Test() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "coordSystemTransformMixed1");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void CoordSystemTransformMixed2Test() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "coordSystemTransformMixed2");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void CoordSystemTransform() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "coordSystemTransform");
+        }
+
+        [NUnit.Framework.Test]
+        [LogMessage(SvgLogMessageConstant.VIEWBOX_VALUE_MUST_BE_FOUR_NUMBERS, Count = 1)]
+        public virtual void IncorrectViewBoxValuesNumberTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "incorrectViewBoxValuesNumber");
+        }
+
+        [NUnit.Framework.Test]
+        [LogMessage(SvgLogMessageConstant.VIEWBOX_WIDTH_AND_HEIGHT_CANNOT_BE_NEGATIVE)]
+        public virtual void IncorrectViewBoxNegativeWidthTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "incorrectViewBoxNegativeWidth");
+        }
+
+        [NUnit.Framework.Test]
+        [LogMessage(SvgLogMessageConstant.VIEWBOX_WIDTH_AND_HEIGHT_CANNOT_BE_NEGATIVE)]
+        public virtual void IncorrectViewBoxNegativeHeightTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "incorrectViewBoxNegativeHeight");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ViewBoxZeroWidthTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "viewBoxZeroWidth");
+        }
+
+        [NUnit.Framework.Test]
+        public virtual void ViewBoxZeroHeightTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "viewBoxZeroHeight");
+        }
+
+        [NUnit.Framework.Test]
+        [LogMessage(SvgLogMessageConstant.PATTERN_WIDTH_OR_HEIGHT_IS_NEGATIVE)]
+        public virtual void PatternNegativeWidthTest() {
+            ConvertAndCompare(SOURCE_FOLDER, DESTINATION_FOLDER, "patternNegativeWidth");
+        }
     }
 }