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fpvectorial: Improves ODG support for custom shape, not yet fully working

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git-svn-id: trunk@43942 -
This commit is contained in:
sekelsenmat 2014-02-07 19:55:36 +00:00
parent 8af99333e6
commit fdff92b568
1 changed files with 59 additions and 3 deletions
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62
components/fpvectorial/odgvectorialreader.pas
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@ -115,6 +115,8 @@ type
TCustomShapeInfo = packed record
Width, Height: Double; // in milimiters
ViewBox_Left, ViewBox_Top, ViewBox_Width, ViewBox_Height: Double; // unitless
VariableNames: array of string;
VariableValues: array of Double;
end;
{ TvODGVectorialReader }
@ -687,16 +689,23 @@ end;
procedure TvODGVectorialReader.ReadEnhancedGeometryNodeToTPath(ANode: TDOMNode;
AData: TvVectorialPage; ADest: TPath; ADeltaX, ADeltaY: Double; var AInfo: TCustomShapeInfo);
var
i: Integer;
lNodeName, lNodeValue: string;
i, Len: Integer;
lNodeName, lNodeValue, lAttrName, lAttrValue: string;
l10Strings: T10Strings;
lCurNode: TDOMNode;
begin
// Initial values to avoid invalid initial ones
AInfo.ViewBox_Left := 0;
AInfo.ViewBox_Top := 0;
AInfo.ViewBox_Width := 10000;
AInfo.ViewBox_Height := 10000;
// First of all we need the viewBox, or else we can't map the coordinates
for i := 0 to ANode.Attributes.Length - 1 do
begin
lNodeName := ANode.Attributes.Item[i].NodeName;
lNodeValue := ANode.Attributes.Item[i].NodeValue;
if lNodeName = 'draw:viewBox' then
if (lNodeName = 'draw:viewBox') or (lNodeName = 'svg:viewBox') then
begin
// From OpenDocument 1.1 specs page 300
// The syntax for using this attribute is the same as the [SVG] syntax.
@ -711,6 +720,53 @@ begin
end;
end;
// Read child elements
lCurNode := ANode.FirstChild;
while lCurNode <> nil do
begin
lNodeName := lCurNode.NodeName;
case lNodeName of
// Read variables
// <draw:equation draw:name="f0" draw:formula="$0 " />
// <draw:equation draw:name="f1" draw:formula="10800-$0 " />
'draw:equation':
begin
for i := 0 to lCurNode.Attributes.Length - 1 do
begin
lAttrName := lCurNode.Attributes.Item[i].NodeName;
lAttrValue := lCurNode.Attributes.Item[i].NodeValue;
if (lAttrName = 'draw:name') then
begin
Len := Length(AInfo.VariableNames);
SetLength(AInfo.VariableNames, Len+1);
AInfo.VariableNames[Len] := lAttrValue;
end
else if (lAttrName = 'draw:formula') then
begin
Len := Length(AInfo.VariableValues);
SetLength(AInfo.VariableValues, Len+1);
// ToDo: Implement a real formula calculation
lAttrValue := StringReplace(lAttrValue, '$0', '0', [rfReplaceAll, rfIgnoreCase]);
lAttrValue := StringReplace(lAttrValue, '-0', '', [rfReplaceAll, rfIgnoreCase]);
AInfo.VariableValues[Len] := StrToFloat(lAttrValue);
end;
end;
end;
// <draw:handle draw:handle-position="$0 10800" draw:handle-range-x-minimum="0"
// draw:handle-range-x-maximum="10800" />
'draw:handle':
begin
end;
end;
lCurNode := lCurNode.NextSibling;
end;
// read the attributes
for i := 0 to ANode.Attributes.Length - 1 do
begin