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SVG.pck.st
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'From Cuis7.3 [latest update: #7052] on 26 February 2025 at 3:57:08 pm'!
'Description '!
!provides: 'SVG' 1 23!
!requires: 'YAXO' 1 nil nil!
!requires: 'Color-Extras' 1 7 nil!
!requires: 'LinearAlgebra' 1 nil nil!
SystemOrganization addCategory: #'SVG-Elements'!
SystemOrganization addCategory: #'SVG-Shapes'!
!classDefinition: #SVGWarning category: #'SVG-Elements'!
Warning subclass: #SVGWarning
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGWarning class' category: #'SVG-Elements'!
SVGWarning class
instanceVariableNames: ''!
!classDefinition: #SVGElementMorph category: #'SVG-Elements'!
PlacedMorph subclass: #SVGElementMorph
instanceVariableNames: 'defs opacity strokeWidth strokeColorOrGradient strokeOpacity fillColorOrGradient fillOpacity strokeDashArray strokeDashArrayOffset'
classVariableNames: 'DefaultedAtributes IgnoredAttributes IgnoredElements IgnoredPrefixes'
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGElementMorph class' category: #'SVG-Elements'!
SVGElementMorph class
instanceVariableNames: ''!
!classDefinition: #SVGGroupMorph category: #'SVG-Elements'!
SVGElementMorph subclass: #SVGGroupMorph
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGGroupMorph class' category: #'SVG-Elements'!
SVGGroupMorph class
instanceVariableNames: ''!
!classDefinition: #SVGMainMorph category: #'SVG-Elements'!
SVGGroupMorph subclass: #SVGMainMorph
instanceVariableNames: 'extent'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGMainMorph class' category: #'SVG-Elements'!
SVGMainMorph class
instanceVariableNames: ''!
!classDefinition: #SVGCircle category: #'SVG-Shapes'!
SVGElementMorph subclass: #SVGCircle
instanceVariableNames: 'cx cy r'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGCircle class' category: #'SVG-Shapes'!
SVGCircle class
instanceVariableNames: ''!
!classDefinition: #SVGEllipse category: #'SVG-Shapes'!
SVGElementMorph subclass: #SVGEllipse
instanceVariableNames: 'cx cy rx ry'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGEllipse class' category: #'SVG-Shapes'!
SVGEllipse class
instanceVariableNames: ''!
!classDefinition: #SVGLine category: #'SVG-Shapes'!
SVGElementMorph subclass: #SVGLine
instanceVariableNames: 'x1 y1 x2 y2'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGLine class' category: #'SVG-Shapes'!
SVGLine class
instanceVariableNames: ''!
!classDefinition: #SVGPath category: #'SVG-Shapes'!
SVGElementMorph subclass: #SVGPath
instanceVariableNames: 'commands'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGPath class' category: #'SVG-Shapes'!
SVGPath class
instanceVariableNames: ''!
!classDefinition: #SVGPolyLine category: #'SVG-Shapes'!
SVGElementMorph subclass: #SVGPolyLine
instanceVariableNames: 'points'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGPolyLine class' category: #'SVG-Shapes'!
SVGPolyLine class
instanceVariableNames: ''!
!classDefinition: #SVGPolygon category: #'SVG-Shapes'!
SVGPolyLine subclass: #SVGPolygon
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGPolygon class' category: #'SVG-Shapes'!
SVGPolygon class
instanceVariableNames: ''!
!classDefinition: #SVGRect category: #'SVG-Shapes'!
SVGElementMorph subclass: #SVGRect
instanceVariableNames: 'xMin xMax yMin yMax rx ry'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGRect class' category: #'SVG-Shapes'!
SVGRect class
instanceVariableNames: ''!
!classDefinition: #SVGText category: #'SVG-Shapes'!
SVGElementMorph subclass: #SVGText
instanceVariableNames: 'string pointSize x y'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Shapes'!
!classDefinition: 'SVGText class' category: #'SVG-Shapes'!
SVGText class
instanceVariableNames: ''!
!classDefinition: #SVGDefElement category: #'SVG-Elements'!
Object subclass: #SVGDefElement
instanceVariableNames: 'def'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGDefElement class' category: #'SVG-Elements'!
SVGDefElement class
instanceVariableNames: ''!
!classDefinition: #SVGGradient category: #'SVG-Elements'!
SVGDefElement subclass: #SVGGradient
instanceVariableNames: 'stops name inheritFrom averageColor'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGGradient class' category: #'SVG-Elements'!
SVGGradient class
instanceVariableNames: ''!
!classDefinition: #SVGLinearGradient category: #'SVG-Elements'!
SVGGradient subclass: #SVGLinearGradient
instanceVariableNames: 'vectorX1 vectorY1 vectorX2 vectorY2'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGLinearGradient class' category: #'SVG-Elements'!
SVGLinearGradient class
instanceVariableNames: ''!
!classDefinition: #SVGRadialGradient category: #'SVG-Elements'!
SVGGradient subclass: #SVGRadialGradient
instanceVariableNames: 'cx cy r'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGRadialGradient class' category: #'SVG-Elements'!
SVGRadialGradient class
instanceVariableNames: ''!
!classDefinition: #SVGGradientStop category: #'SVG-Elements'!
SVGDefElement subclass: #SVGGradientStop
instanceVariableNames: 'offset color'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGGradientStop class' category: #'SVG-Elements'!
SVGGradientStop class
instanceVariableNames: ''!
!classDefinition: #SVGDefs category: #'SVG-Elements'!
Object subclass: #SVGDefs
instanceVariableNames: 'defs'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGDefs class' category: #'SVG-Elements'!
SVGDefs class
instanceVariableNames: ''!
!classDefinition: #SVGTransform category: #'SVG-Elements'!
Object subclass: #SVGTransform
instanceVariableNames: 'a'
classVariableNames: ''
poolDictionaries: ''
category: 'SVG-Elements'!
!classDefinition: 'SVGTransform class' category: #'SVG-Elements'!
SVGTransform class
instanceVariableNames: ''!
!SVGElementMorph commentStamp: '<historical>' prior: 0!
See class methods in 'examples' category in SVGMainMorph.!
!SVGMainMorph commentStamp: '<historical>' prior: 0!
See class methods in 'examples' category.!
!SVGElementMorph methodsFor: 'building' stamp: 'jmv 1/21/2015 09:03'!
buildFromXml: anXMLElement
| usedAttributeNames styleAttributes strokeDashArrayData strokeDashArrayOffsetData transformData svgTransform |
styleAttributes _ self class styleAttributesIn: anXMLElement.
"These are always nested. No need to inherit."
svgTransform _ SVGTransform new.
transformData _ self class attributeAt: 'transform' in: anXMLElement orIn: styleAttributes.
transformData ifNotNil: [
svgTransform buildFrom: transformData.
location _ svgTransform asAffineTransformation ].
strokeWidth _ self class numberAttributeAt: 'stroke-width' in: anXMLElement orIn: styleAttributes.
strokeColorOrGradient _ self class colorAttributeAt: 'stroke' in: anXMLElement orIn: styleAttributes.
fillColorOrGradient _ self class colorAttributeAt: 'fill' in: anXMLElement orIn: styleAttributes.
strokeOpacity _ self class numberAttributeAt: 'stroke-opacity' in: anXMLElement orIn: styleAttributes.
fillOpacity _ self class numberAttributeAt: 'fill-opacity' in: anXMLElement orIn: styleAttributes.
opacity _ self class numberAttributeAt: 'opacity' in: anXMLElement orIn: styleAttributes.
strokeDashArrayData _ self class attributeAt: 'stroke-dasharray' in: anXMLElement orIn: styleAttributes.
strokeDashArrayOffsetData _ self class attributeAt: 'stroke-dashoffset' in: anXMLElement orIn: styleAttributes.
(strokeDashArrayData notNil and: [ strokeDashArrayData ~= 'none' ]) ifTrue: [
strokeDashArray _ (self class numbersIn: strokeDashArrayData).
strokeDashArray size even ifFalse: [
strokeDashArray _ strokeDashArray, strokeDashArray ].
strokeDashArrayOffsetData ifNotNil: [
strokeDashArrayOffset _ strokeDashArrayOffsetData asNumber ]].
defs _ nil.
anXMLElement elementsDo: [ :subElement |
"Process def elements first"
(subElement name = SVGDefs svgName)
ifTrue: [
defs ifNil: [ defs _ SVGDefs new ].
defs buildFromXml: subElement]].
usedAttributeNames _ self usedAttributeNames asSet.
anXMLElement attributes keysAndValuesDo: [ :attrName :value |
((usedAttributeNames includes: attrName) or: [
(IgnoredAttributes includes: attrName) or: [
(IgnoredPrefixes anySatisfy: [ :prefix | attrName beginsWith: prefix]) or: [
(DefaultedAtributes at: attrName ifAbsent: []) = value]]]) ifFalse: [
SVGWarning signal: 'Unhandled attribute: ', attrName printString, ' in: ', self class name, ' value: ', value printString ]].
styleAttributes ifNotNil: [
styleAttributes keysAndValuesDo: [ :attrName :value |
((usedAttributeNames includes: attrName) or: [
(IgnoredAttributes includes: attrName) or: [
(IgnoredPrefixes anySatisfy: [ :prefix | attrName beginsWith: prefix]) or: [
(DefaultedAtributes at: attrName ifAbsent: []) = value]]]) ifFalse: [
SVGWarning signal: 'Unhandled style token: ', attrName printString, ' in: ', self class name, ' value: ', value printString ]]].
anXMLElement elementsDo: [ :subElement |
(self isKindOf: SVGGroupMorph) ifFalse: [
SVGWarning signal: 'Unexpected element: ', subElement name printString, ' in: ', self class name ]
]! !
!SVGElementMorph methodsFor: 'building' stamp: 'jmv 6/16/2010 10:01'!
usedAttributeNames
^#('style' 'fill' 'fill-opacity' 'opacity' 'stroke' 'stroke-opacity' 'stroke-width' 'transform' 'stroke-dasharray' 'stroke-dashoffset')! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 6/10/2010 14:17'!
defAt: aString
| answer |
answer _ defs ifNotNil: [ defs defAt: aString ].
^answer ifNil: [
(owner isKindOf: SVGElementMorph)
ifTrue: [ owner defAt: aString ] ]! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 6/18/2021 12:44:44'!
fillColor
"Answer a Color, even if a gradient was specified. See also #fillColorOrGradient"
fillColorOrGradient == #inherit ifTrue: [
fillColorOrGradient _ (owner isKindOf: SVGElementMorph)
ifTrue: [ owner fillColor ]
ifFalse: [ Color black ]].
"The SVG standard defines current color. In Cuis we don't have such concept.
Maybe we'll find a better way to set the actual color to use.
Just use black for the time being."
fillColorOrGradient == #currentColor ifTrue: [
fillColorOrGradient _ Color black ].
fillColorOrGradient isString ifTrue: [
fillColorOrGradient _ self defAt: fillColorOrGradient ].
fillColorOrGradient ifNil: [ ^nil ].
(fillColorOrGradient isKindOf: SVGGradient)
ifTrue: [ fillColorOrGradient _ fillColorOrGradient averageColor ].
^fillColorOrGradient alpha: self fillOpacity * self opacity! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 10/14/2024 11:32:50'!
fillColor: aColor
fillColorOrGradient := aColor.
self redrawNeeded.! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 6/10/2010 15:54'!
fillOpacity
^fillOpacity == #inherit
ifFalse: [ fillOpacity ]
ifTrue: [
(owner isKindOf: SVGElementMorph)
ifTrue: [ owner fillOpacity ]
ifFalse: [ 1.0 ]]! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 10/14/2024 11:35:46'!
fillOpacity: aNumber
fillOpacity := aNumber.
self redrawNeeded.! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 6/10/2010 15:54'!
opacity
^opacity == #inherit
ifFalse: [ opacity ]
ifTrue: [
(owner isKindOf: SVGElementMorph)
ifTrue: [ owner opacity ]
ifFalse: [ 1.0 ]]! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 10/14/2024 11:35:30'!
opacity: aNumber
opacity := aNumber.
self redrawNeeded.! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 6/18/2021 12:44:25'!
strokeColor
"Answer a Color, even if a gradient was specified. See also #strokeColorOrGradient"
strokeColorOrGradient == #inherit ifTrue: [
strokeColorOrGradient _ (owner isKindOf: SVGElementMorph)
ifTrue: [ owner strokeColor ]
ifFalse: [ nil ]].
"The SVG standard defines current color. In Cuis we don't have such concept.
Maybe we'll find a better way to set the actual color to use.
Just use black for the time being."
strokeColorOrGradient == #currentColor ifTrue: [
strokeColorOrGradient _ Color black ].
strokeColorOrGradient isString ifTrue: [
strokeColorOrGradient _ self defAt: strokeColorOrGradient ].
strokeColorOrGradient ifNil: [ ^nil ].
(strokeColorOrGradient isKindOf: SVGGradient)
ifTrue: [ strokeColorOrGradient _ strokeColorOrGradient averageColor].
^strokeColorOrGradient alpha: self strokeOpacity * self opacity! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 10/14/2024 11:31:43'!
strokeColor: aColor
strokeColorOrGradient := aColor.
self redrawNeeded.! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 4/29/2011 21:55'!
strokeDashArray
| s |
^strokeDashArray ifNotNil: [
s _ 0.0.
strokeDashArray collect: [ :d |
s _ s + d.
s]]! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 4/29/2011 21:54'!
strokeDashArrayOffset
^ strokeDashArrayOffset! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 6/10/2010 15:54'!
strokeOpacity
^strokeOpacity == #inherit
ifFalse: [ strokeOpacity ]
ifTrue: [
(owner isKindOf: SVGElementMorph)
ifTrue: [ owner strokeOpacity ]
ifFalse: [ 1.0 ]]! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 10/14/2024 11:35:53'!
strokeOpacity: aNumber
strokeOpacity := aNumber.
self redrawNeeded.! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 6/10/2010 15:16'!
strokeWidth
strokeWidth == #inherit ifTrue: [
^ (owner isKindOf: SVGElementMorph)
ifTrue: [ owner strokeWidth ]
ifFalse: [ 1 ]].
"nil"
^strokeWidth! !
!SVGElementMorph methodsFor: 'accessing' stamp: 'jmv 10/14/2024 11:31:01'!
strokeWidth: aNumber
strokeWidth := aNumber.
self redrawNeeded.! !
!SVGElementMorph methodsFor: 'private' stamp: 'jmv 12/15/2021 14:47:32'!
fixYAxisDirection
"SVG already specifies desired TX. No need to correct it.
Also note that we redefine #yAxisPointsUp to agree with the TX we were given."! !
!SVGElementMorph methodsFor: 'geometry testing' stamp: 'jmv 12/15/2021 11:30:52'!
yAxisPointsUp
"SVG elements usually define an explicit affine transformation.
Give an answer consistent with it.
Also note that we redefine #fixYAxisDirection as NOP"
| answer |
answer _ owner ifNil: [false] ifNotNil: [owner yAxisPointsUp].
location doesMirror ifTrue: [ answer _ answer not ].
^answer! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:16'!
attributeAt: attributeName in: anXMLElement orIn: styleDictionary
^anXMLElement attributeAt: attributeName ifAbsent: [
styleDictionary ifNotNil: [ styleDictionary at: attributeName ifAbsent: nil ]]! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/18/2021 12:35:45'!
colorAttributeAt: attributeName in: anXMLElement orIn: styleDictionary
| data |
data _ self attributeAt: attributeName in: anXMLElement orIn: styleDictionary.
data ifNil: [
^ #inherit ].
data = 'currentColor' ifTrue: [
^ #currentColor ].
^self svgColorOrGradientNameFor: data! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/16/2010 09:50'!
ignoredAttributes
^IgnoredAttributes! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/16/2010 10:44'!
ignoredElements
^IgnoredElements! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/16/2010 10:08'!
ignoredPrefixes
^IgnoredPrefixes! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:17'!
numberAttributeAt: attributeName in: anXMLElement orIn: styleDictionary
| data |
data _ self attributeAt: attributeName in: anXMLElement orIn: styleDictionary.
^data
ifNil: [ #inherit ]
ifNotNil: [ data asNumber ]! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:18'!
numbersIn: aString
| rs |
rs _ aString readStream.
^Array streamContents: [ :strm |
[ rs atEnd ] whileFalse: [
rs nextNumber ifNotNil: [ :n |
strm nextPut: n ]]]! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 7/30/2012 18:00'!
styleAttributesIn: anXMLElement
| styleDict styleData pair |
styleData _ anXMLElement attributeAt: 'style'.
styleData ifNil: [ ^nil ].
styleDict _ Dictionary new.
(styleData findTokens: #($;)) do: [ :each | "For example, 'fill:#653300'"
pair _ each findTokens: #($:).
pair size > 1 ifTrue: [
styleDict at: pair first withBlanksTrimmed put: pair second withBlanksTrimmed ]].
^styleDict! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 2/15/2013 16:53'!
svgColorOrGradientNameFor: aString
| dataStream |
aString = 'none' ifTrue: [^nil].
self revisar.
(aString beginsWith: 'url')
ifFalse: [ ^Color "fromCSS2String: just hex? Or real CSS2?" fromString: aString ].
" 'url' means reference to a def object. Just keep the name, for later binding"
dataStream _ aString readStream.
dataStream upTo: $#.
^(dataStream upTo: $) ) withBlanksTrimmed! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:20'!
svgHeightFractionIn: anXMLElement
| string |
string _ anXMLElement attributeAt: 'height' ifAbsent: [ ^ nil ].
^self svgLengthFractionFor: string! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 12/9/2021 19:46:17'!
svgLengthFractionFor: aString
| string |
string _ aString withBlanksTrimmed.
(string last = $%) ifTrue: [
^ string asNumber / 100.0 ].
^nil! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:21'!
svgPixelHeightIn: anXMLElement
| string |
string _ anXMLElement attributeAt: 'height' ifAbsent: [ ^ nil ].
^self svgPixelLengthFor: string! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 12/9/2021 19:53:46'!
svgPixelLengthFor: aString
| string data |
string _ aString withBlanksTrimmed.
(string last = $%) ifTrue: [ ^nil ].
data _ string asNumber.
(string endsWith: 'in')
ifTrue: [ ^(data * 90) ].
(string endsWith: 'mm')
ifTrue: [ ^(data * 3.571429) ].
(string endsWith: 'cm')
ifTrue: [ ^(data * 35.71429) ].
(string endsWith: 'pt')
ifTrue: [ ^(data * 1.25) ].
(string endsWith: 'pc')
ifTrue: [ ^(data * 15) ].
^data! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:21'!
svgPixelWidthIn: anXMLElement
| string |
string _ anXMLElement attributeAt: 'width' ifAbsent: [ ^ nil ].
^self svgPixelLengthFor: string! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:21'!
svgViewBoxIn: anXMLElement
| string data |
string _ anXMLElement attributeAt: 'viewBox' ifAbsent: [ ^ nil ].
data _ string substrings collect: [ :str | str asNumber].
^Rectangle origin: (data first @ data second) extent: (data third @ data fourth)! !
!SVGElementMorph class methodsFor: 'building - aux' stamp: 'jmv 6/14/2010 17:21'!
svgWidthFractionIn: anXMLElement
| string |
string _ anXMLElement attributeAt: 'width' ifAbsent: [ ^ nil ].
^self svgLengthFractionFor: string! !
!SVGElementMorph class methodsFor: 'instance creation' stamp: 'jmv 6/9/2010 22:25'!
classFor: anSVGName
self allSubclassesDo: [ :cls |
cls svgName = anSVGName
ifTrue: [ ^cls ] ].
^nil! !
!SVGElementMorph class methodsFor: 'instance creation' stamp: 'jmv 6/16/2010 10:32'!
fromXml: anXMLElement
| cls n |
n _ anXMLElement name.
cls _ SVGElementMorph classFor: n.
cls ifNil: [
((IgnoredElements includes: n) or: [
IgnoredPrefixes anySatisfy: [ :prefix | n beginsWith: prefix ]]) ifFalse: [
SVGWarning signal: ('Unhandled element: ', n printString) ].
^nil ].
^ cls new buildFromXml: anXMLElement! !
!SVGElementMorph class methodsFor: 'instance creation' stamp: 'jmv 6/9/2010 22:28'!
svgName
"Answer the name of the svg elements we can represent"
^self subclassResponsibility! !
!SVGElementMorph class methodsFor: 'class initialization' stamp: 'jmv 12/9/2021 19:16:20'!
initialize
"
self initialize
"
IgnoredPrefixes _ #('sodipodi:' 'inkscape:' 'xmlns:' 'i:') asSet.
IgnoredElements _ #('title' 'metadata' 'foreignObject') asSet.
IgnoredAttributes _ #('id' 'stroke-miterlimit') asSet.
"Any specified value in an SVG file will be ignored. Only these defaults are supported"
DefaultedAtributes _ Dictionary new
at: 'fill-rule' put: 'nonzero';
at: 'stroke-linecap' put: 'round';
at: 'stroke-linejoin' put: 'round';
yourself! !
!SVGElementMorph class methodsFor: 'please remove' stamp: 'jmv 12/27/2021 14:21:38'!
revisar! !
!SVGGroupMorph methodsFor: 'building' stamp: 'jmv 6/10/2010 10:17'!
buildFromXml: anXMLElement
| m |
super buildFromXml: anXMLElement.
anXMLElement elementsDo: [ :subElement |
"Skip de def elements"
(subElement name = SVGDefs svgName)
ifFalse: [
m _ SVGElementMorph fromXml: subElement.
m ifNotNil: [
self addMorph: m ]]].! !
!SVGGroupMorph methodsFor: 'drawing' stamp: 'jmv 11/8/2012 19:28'!
drawOn: aCanvas
"Nothing to do here..."! !
!SVGGroupMorph class methodsFor: 'instance creation' stamp: 'jmv 6/9/2010 22:35'!
svgName
"Answer the name of the svg elements we can represent"
^#g! !
!SVGMainMorph methodsFor: 'building' stamp: 'jmv 12/14/2021 11:39:39'!
buildFromXml: anXMLElement
| viewBox w h wFraction hFraction s |
super buildFromXml: anXMLElement.
viewBox _ self class svgViewBoxIn: anXMLElement.
viewBox ifNotNil: [
extent _ viewBox extent.
w _ self class svgPixelWidthIn: anXMLElement.
h _ self class svgPixelHeightIn: anXMLElement.
w ifNotNil: [
s _ w / viewBox width max: h / viewBox height.
self scale: s ]
ifNil: [
wFraction _ self class svgWidthFractionIn: anXMLElement.
hFraction _ self class svgHeightFractionIn: anXMLElement.
wFraction ifNotNil: [
s _ wFraction max: hFraction.
self scale: s ]
].
].! !
!SVGMainMorph methodsFor: 'building' stamp: 'jmv 6/10/2010 08:56'!
usedAttributeNames
^super usedAttributeNames,
#('version' 'xmlns' 'xmlns:xlink' 'viewBox' 'width' 'height')! !
!SVGMainMorph methodsFor: 'geometry' stamp: 'jmv 12/15/2021 14:56:35'!
findFullBoundsInOwner
"If extent ivar is defined, answer after it (no need to actually find the bounds)."
self knowsOwnLocalBounds ifFalse: [ ^super findFullBoundsInOwner ].
^self fullBoundsInOwner.! !
!SVGMainMorph methodsFor: 'geometry' stamp: 'jmv 12/15/2021 14:56:26'!
fullBoundsInOwner
"If extent ivar is defined, answer after it."
self knowsOwnLocalBounds ifFalse: [ ^super fullBoundsInOwner ].
^ (self externalizeBoundingRectOf: (`0@0` extent: extent)) encompassingIntegerRectangle.! !
!SVGMainMorph methodsFor: 'geometry' stamp: 'hlsf 9/2/2024 20:48:19'!
localBounds
"Can only be asked for if #knowsOwnLocalBounds answers true!!"
^`0@0` extent: extent.! !
!SVGMainMorph methodsFor: 'geometry' stamp: 'hlsf 9/2/2024 20:48:47'!
localBoundsForError
"Only to be used for drawing in an error condition. See senders."
self knowsOwnLocalBounds ifFalse: [ ^super localBoundsForError ].
^self localBounds.! !
!SVGMainMorph methodsFor: 'geometry' stamp: 'jmv 12/14/2021 11:40:06'!
morphExtent
"In our own coordinates!!
nil if unknown."
^ extent! !
!SVGMainMorph methodsFor: 'geometry testing' stamp: 'jmv 12/15/2021 14:55:29'!
knowsOwnLocalBounds
"Meaning that it doesn't need running #drawOn: and #postDrawOn: to explore affected pixels to deduce actual morph bounds. See senders."
^extent notNil! !
!SVGMainMorph class methodsFor: 'services' stamp: 'jmv 6/9/2010 22:26'!
attributeAt: attributeName in: anXMLElement orIn: styleDictionary
^anXMLElement attributeAt: attributeName ifAbsent: [
styleDictionary ifNotNil: [ styleDictionary at: attributeName ifAbsent: nil ]]! !
!SVGMainMorph class methodsFor: 'services' stamp: 'jmv 6/9/2010 22:26'!
numbersIn: aString
| rs |
rs _ aString readStream.
^Array streamContents: [ :strm |
[ rs atEnd ] whileFalse: [
strm nextPut: rs nextNumber ]]! !
!SVGMainMorph class methodsFor: 'services' stamp: 'jmv 7/30/2012 18:00'!
styleAttributesIn: anXMLElement
| styleDict styleData pair |
styleData _ anXMLElement attributeAt: 'style'.
styleData ifNil: [ ^nil ].
styleDict _ Dictionary new.
(styleData findTokens: #($;)) do: [ :each | "For example, 'fill:#653300'"
pair _ each findTokens: #($:).
pair size > 1 ifTrue: [
styleDict at: pair first withBlanksTrimmed put: pair second withBlanksTrimmed ]].
^styleDict! !
!SVGMainMorph class methodsFor: 'services' stamp: 'jmv 2/15/2013 16:53'!
svgColorOrGradientNameFor: aString
| dataStream |
aString = 'none' ifTrue: [^nil].
self revisar.
(aString beginsWith: 'url')
ifFalse: [ ^Color "fromCSS2String: just hex? Or real CSS2?" fromString: aString ].
" 'url' means reference to a def object. Just keep the name, for later binding"
dataStream _ aString readStream.
dataStream upTo: $#.
^(dataStream upTo: $) ) withBlanksTrimmed! !
!SVGMainMorph class methodsFor: 'services' stamp: 'jmv 2/15/2013 16:53'!
svgColorOrGradientNameFor: aString opacity: opacityString
| dataStream c |
aString = 'none' ifTrue: [^nil].
self revisar.
(aString beginsWith: 'url')
ifFalse: [
c _ Color "fromCSS2String: just hex? Or real CSS2?" fromString: aString.
opacityString ifNotNil: [
c _ c alpha: opacityString asNumber ].
^c ].
" 'url' means reference to a def object. Just keep the name, for later binding"
dataStream _ aString readStream.
dataStream upTo: $#.
^(dataStream upTo: $) ) withBlanksTrimmed! !
!SVGMainMorph class methodsFor: 'instance creation' stamp: 'jmv 9/6/2021 12:13:37'!
fromFile: aFileEntry
| xmlDocument |
xmlDocument _ XMLDOMParser parseDocumentFromFile: aFileEntry readIntoMemory: true.
^ self fromXml: xmlDocument elements first.! !
!SVGMainMorph class methodsFor: 'instance creation' stamp: 'hlsf 2/20/2025 10:08:42'!
fromStream: aStream
| xmlDocument |
xmlDocument := XMLDOMParser parseDocumentFrom: aStream.
^ self fromXml: xmlDocument elements first.! !
!SVGMainMorph class methodsFor: 'instance creation' stamp: 'jmv 6/9/2010 22:25'!
svgName
"Answer the name of the svg elements we can represent"
^#svg! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:32:59'!
exampleBeer
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleBeer
SVGMainMorph exampleBeer openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'beer.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:33:31'!
exampleButterfly
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleButterfly
SVGMainMorph exampleButterfly openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'butterfly.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:33:59'!
exampleCar
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleCar
SVGMainMorph exampleCar openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'car.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:34:24'!
exampleCowboy
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleCowboy
SVGMainMorph exampleCowboy openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'cowboy.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:36:20'!
exampleGrapes
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleGrapes
SVGMainMorph exampleGrapes openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'rg1024_green_grapes.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:35:00'!
exampleLion
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleLion
SVGMainMorph exampleLion openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'lion.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:31:54'!
exampleMacaw
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleMacaw
SVGMainMorph exampleMacaw openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'arara-caninde-TRACE-BITMAP.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:35:23'!
examplePhone
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph examplePhone
SVGMainMorph examplePhone openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'Phone.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:35:47'!
examplePicasso
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph examplePicasso
SVGMainMorph examplePicasso openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'Picasso.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:32:21'!
examplePlane
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph examplePlane
SVGMainMorph examplePlane openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'b8.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:36:45'!
exampleTiger
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleTiger
SVGMainMorph exampleTiger openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'tiger.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:37:09'!
exampleWizard
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleWizard
SVGMainMorph exampleWizard openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'wizard.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:37:24'!
exampleWorld
"Read and answer a SVG sample file.
Also try 'printIt'!!
"
"
SVGMainMorph exampleWorld
SVGMainMorph exampleWorld openInWorld
"
^ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'world.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 9/6/2021 12:37:52'!
openAllExamples
"Open all svg examples as morphs, in a forked process."
"
SVGMainMorph openAllExamples
SVGMainMorph allInstancesDo: [ :m | m delete ].
"
| s |
s _ Semaphore new signal.
[
self package packageDirectory
allFilesDo: [ :file |
s wait.
UISupervisor whenUIinSafeState: [
[ (self fromFile: file) openInWorld ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].
s signal
].
]
matches: [ :file | '*.svg' match: file name ].
] fork! !
!SVGMainMorph class methodsFor: 'examples' stamp: 'jmv 10/8/2021 09:52:13'!
seamlessRasterizationExample
"
This example shows that Cuis' VectorGraphics can rasterize seampless SVG.
Compare the two images.
Also try opening the svg file in, for example, Chrome.
SVGMainMorph seamlessRasterizationExample
"
| m f |
m _ [ (self fromFile: self package packageDirectory / 'SVGSamples' // 'clinton.svg') ]
on: SVGWarning
do: [ :warning | "warning print. "warning resume ].
f _ Form extent: 360@480 depth:32.
m privateOwner: self runningWorld.
m morphPosition: 0@0.
"Translucent target only supported in the SubPixel flavor of the VM Plugin"
(VectorCanvas onFormWithSubPixelAntiAliasing: f) fullDraw: m.
Display fillColor: Color black.