paweld/lazarus
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/lazarus/lazarus.git synced 2025-08-06 19:06:11 +02:00
Code Issues Packages Projects Releases Wiki Activity

fpvectorial: First commit for ODT writing support and text document support

Browse Source 
git-svn-id: trunk@42215 -
This commit is contained in:
sekelsenmat 2013-07-28 06:06:07 +00:00
parent 365e113758
commit b05e1e1ab1
6 changed files with 259 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitattributes vendored
View File

@ -1273,6 +1273,7 @@ components/fpvectorial/lasvectorialreader.pas svneol=native#text/plain
components/fpvectorial/lazvectorialreader.pas svneol=native#text/plain
components/fpvectorial/mathmlvectorialreader.pas svneol=native#text/plain
components/fpvectorial/odgvectorialreader.pas svneol=native#text/pascal
components/fpvectorial/odtvectorialwriter.pas svneol=native#text/plain
components/fpvectorial/pdfvectorialreader.pas svneol=native#text/plain
components/fpvectorial/pdfvrlexico.pas svneol=native#text/plain
components/fpvectorial/pdfvrsemantico.pas svneol=native#text/plain

98
components/fpvectorial/fpvectorial.pas
View File

@ -51,6 +51,8 @@ type
vfGCodeAvisoCNCPrototipoV5, vfGCodeAvisoCNCPrototipoV6,
{ Formula formats }
vfMathML,
{ Text Document formats }
vfODT,
{ Raster Image formats }
vfRAW
);
@ -88,6 +90,7 @@ type
TvCustomVectorialWriter = class;
TvCustomVectorialReader = class;
TvVectorialPage = class;
TvTextDocumentPage = class;
{ Pen, Brush and Font }
@ -751,6 +754,30 @@ type
public
end;
{@@
TvRichText represents a sequence of elements ordered as characters.
The elements might be richly formatted text, but also any other elements.
The basic element to build the sequence is TvText. Note that the X, Y positions
of elements will be all adjusted to fit the TvRichText area
}
TvRichTextAutoExpand = (rtaeNone, etaeWidth, etaeHeight);
{ TvRichText }
TvRichText = class(TvEntityWithSubEntities)
public
Width, Height: Double;
AutoExpand: TvRichTextAutoExpand;
constructor Create; override;
destructor Destroy; override;
function TryToSelect(APos: TPoint; var ASubpart: Cardinal): TvFindEntityResult; override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
function GenerateDebugTree(ADestRoutine: TvDebugAddItemProc; APageItem: Pointer): Pointer; override;
end;
{ TvVectorialDocument }
TvVectorialDocument = class
@ -792,6 +819,7 @@ type
function GetCurrentPage: TvVectorialPage;
procedure SetCurrentPage(AIndex: Integer);
function AddPage(): TvVectorialPage;
function AddTextPage(): TvTextDocumentPage;
{ Data removing methods }
procedure Clear; virtual;
{ Debug methods }
@ -825,7 +853,7 @@ type
{ Base methods }
constructor Create(AOwner: TvVectorialDocument); virtual;
destructor Destroy; override;
procedure Assign(ASource: TvVectorialPage);
procedure Assign(ASource: TvVectorialPage); virtual;
{ Data reading methods }
function GetEntity(ANum: Cardinal): TvEntity;
function GetEntitiesCount: Integer;
@ -888,6 +916,18 @@ type
property Entities[AIndex: Cardinal]: TvEntity read GetEntity;
end;
{ TvTextDocumentPage }
TvTextDocumentPage = class(TvVectorialPage)
public
Footer, Header: TvRichText;
MainText: TvRichText;
{ Base methods }
constructor Create(AOwner: TvVectorialDocument); override;
destructor Destroy; override;
procedure Assign(ASource: TvVectorialPage); override;
end;
{@@ TvVectorialReader class reference type }
TvVectorialReaderClass = class of TvCustomVectorialReader;
@ -3908,6 +3948,36 @@ begin
end;
end;
{ TvRichText }
constructor TvRichText.Create;
begin
inherited Create;
end;
destructor TvRichText.Destroy;
begin
inherited Destroy;
end;
function TvRichText.TryToSelect(APos: TPoint; var ASubpart: Cardinal
): TvFindEntityResult;
begin
Result:=inherited TryToSelect(APos, ASubpart);
end;
procedure TvRichText.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo;
ADestX: Integer; ADestY: Integer; AMulX: Double; AMulY: Double);
begin
inherited Render(ADest, ARenderInfo, ADestX, ADestY, AMulX, AMulY);
end;
function TvRichText.GenerateDebugTree(ADestRoutine: TvDebugAddItemProc;
APageItem: Pointer): Pointer;
begin
Result:=inherited GenerateDebugTree(ADestRoutine, APageItem);
end;
{ TvVectorialPage }
procedure TvVectorialPage.ClearTmpPath;
@ -4581,7 +4651,24 @@ begin
end;
end;
{ TsWorksheet }
{ TvTextDocumentPage }
constructor TvTextDocumentPage.Create(AOwner: TvVectorialDocument);
begin
inherited Create(AOwner);
end;
destructor TvTextDocumentPage.Destroy;
begin
inherited Destroy;
end;
procedure TvTextDocumentPage.Assign(ASource: TvVectorialPage);
begin
inherited Assign(ASource);
end;
{ TvVectorialDocument }
{@@
Constructor.
@ -4877,6 +4964,13 @@ begin
if FCurrentPageIndex < 0 then FCurrentPageIndex := FPages.Count-1;
end;
function TvVectorialDocument.AddTextPage: TvTextDocumentPage;
begin
Result := TvTextDocumentPage.Create(Self);
FPages.Add(Result);
if FCurrentPageIndex < 0 then FCurrentPageIndex := FPages.Count-1;
end;
{@@
Clears all data in the document
}

6
components/fpvectorial/fpvectorialpkg.lpk
View File

@ -12,7 +12,7 @@
<CompilerPath Value="$(CompPath)"/>
</Other>
</CompilerOptions>
<Files Count="18">
<Files Count="19">
<Item1>
<Filename Value="fpvectorial.pas"/>
<UnitName Value="fpvectorial"/>
@ -85,6 +85,10 @@
<Filename Value="svgzvectorialreader.pas"/>
<UnitName Value="svgzvectorialreader"/>
</Item18>
<Item19>
<Filename Value="odtvectorialwriter.pas"/>
<UnitName Value="odtvectorialwriter"/>
</Item19>
</Files>
<Type Value="RunAndDesignTime"/>
<RequiredPkgs Count="2">

2
components/fpvectorial/fpvectorialpkg.pas
View File

@ -12,7 +12,7 @@ uses
dxfvectorialreader, epsvectorialreader, lasvectorialreader,
lazvectorialreader, mathmlvectorialreader, odgvectorialreader,
rawvectorialreadwrite, svgvectorialreader, svgvectorialwriter,
svgzvectorialreader, LazarusPackageIntf;
svgzvectorialreader, odtvectorialwriter, LazarusPackageIntf;
implementation

2
components/fpvectorial/odgvectorialreader.pas
View File

@ -49,7 +49,7 @@ interface
uses
Classes, SysUtils, math,
zipper, {NOTE: fpszipper is the latest zipper.pp Change to standard zipper when FPC 2.8 is released}
zipper, {NOTE: might require zipper from FPC 2.6.2+ }
xmlread, DOM, AVL_Tree,
fpimage, fpcanvas, fgl,
fpvectorial, fpvutils, lazutf8;

155
components/fpvectorial/odtvectorialwriter.pas Normal file
View File

@ -0,0 +1,155 @@
{
Writes an ODT Document
License: The same modified LGPL as the Free Pascal RTL
See the file COPYING.modifiedLGPL for more details
An OpenDocument document is a compressed ZIP file with the following files inside:
content.xml - Actual contents
meta.xml - Authoring data
settings.xml - User persistent viewing information, such as zoom, cursor position, etc.
styles.xml - Styles, which are the only way to do formatting
mimetype - application/vnd.oasis.opendocument.text
META-INF\manifest.xml - Describes the other files in the archive
Specifications obtained from:
http://docs.oasis-open.org/office/v1.1/OS/OpenDocument-v1.1.pdf
Example of content.xml structure:
<?xml version="1.0" encoding="UTF-8"?>
<office:document-content xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" .....>
<office:scripts/>
<office:automatic-styles>
<style:style style:name="dp1" style:family="drawing-page"/>
<style:style style:name="gr1" style:family="graphic" style:parent-style-name="standard">
....
</office:automatic-styles>
<office:body>
<office:drawing>
<draw:page draw:name="page1" draw:style-name="dp1" draw:master-page-name="Oletus">
<draw:ellipse draw:style-name="gr2" draw:text-style-name="P1" draw:layer="layout" svg:width="11cm" svg:height="3cm" svg:x="5.5cm" svg:y="6.5cm">
<text:p/>
</draw:ellipse>
... other elements in the page...
</draw:page>
</office:drawing>
</office:body>
</office:document-content>
AUTHORS: Felipe Monteiro de Carvalho
}
unit odtvectorialwriter;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, math,
zipper, {NOTE: might require zipper from FPC 2.6.2+ }
fpimage, fpcanvas, fgl,
fpvectorial, fpvutils, lazutf8;
type
{ TvODTVectorialWriter }
TvODTVectorialWriter = class(TvCustomVectorialWriter)
private
FPointSeparator, FCommaSeparator: TFormatSettings;
public
{ General reading methods }
constructor Create; override;
destructor Destroy; override;
procedure WriteToFile(AFileName: string; AData: TvVectorialDocument); override;
procedure WriteToStream(AStream: TStream; AData: TvVectorialDocument); override;
end;
implementation
const
{ OpenDocument general XML constants }
XML_HEADER = '<?xml version="1.0" encoding="utf-8" ?>';
{ OpenDocument Directory structure constants }
OPENDOC_PATH_CONTENT = 'content.xml';
OPENDOC_PATH_META = 'meta.xml';
OPENDOC_PATH_SETTINGS = 'settings.xml';
OPENDOC_PATH_STYLES = 'styles.xml';
OPENDOC_PATH_MIMETYPE = 'mimetype';
OPENDOC_PATH_METAINF = 'META-INF' + '/';
OPENDOC_PATH_METAINF_MANIFEST = 'META-INF' + '/' + 'manifest.xml';
{ OpenDocument schemas constants }
SCHEMAS_XMLNS_OFFICE = 'urn:oasis:names:tc:opendocument:xmlns:office:1.0';
SCHEMAS_XMLNS_DCTERMS = 'http://purl.org/dc/terms/';
SCHEMAS_XMLNS_META = 'urn:oasis:names:tc:opendocument:xmlns:meta:1.0';
SCHEMAS_XMLNS = 'http://schemas.openxmlformats.org/officeDocument/2006/extended-properties';
SCHEMAS_XMLNS_CONFIG = 'urn:oasis:names:tc:opendocument:xmlns:config:1.0';
SCHEMAS_XMLNS_OOO = 'http://openoffice.org/2004/office';
SCHEMAS_XMLNS_MANIFEST = 'urn:oasis:names:tc:opendocument:xmlns:manifest:1.0';
SCHEMAS_XMLNS_FO = 'urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0';
SCHEMAS_XMLNS_STYLE = 'urn:oasis:names:tc:opendocument:xmlns:style:1.0';
SCHEMAS_XMLNS_SVG = 'urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0';
SCHEMAS_XMLNS_TABLE = 'urn:oasis:names:tc:opendocument:xmlns:table:1.0';
SCHEMAS_XMLNS_TEXT = 'urn:oasis:names:tc:opendocument:xmlns:text:1.0';
SCHEMAS_XMLNS_V = 'urn:schemas-microsoft-com:vml';
SCHEMAS_XMLNS_NUMBER = 'urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0';
SCHEMAS_XMLNS_CHART = 'urn:oasis:names:tc:opendocument:xmlns:chart:1.0';
SCHEMAS_XMLNS_DR3D = 'urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0';
SCHEMAS_XMLNS_MATH = 'http://www.w3.org/1998/Math/MathML';
SCHEMAS_XMLNS_FORM = 'urn:oasis:names:tc:opendocument:xmlns:form:1.0';
SCHEMAS_XMLNS_SCRIPT = 'urn:oasis:names:tc:opendocument:xmlns:script:1.0';
SCHEMAS_XMLNS_OOOW = 'http://openoffice.org/2004/writer';
SCHEMAS_XMLNS_OOOC = 'http://openoffice.org/2004/calc';
SCHEMAS_XMLNS_DOM = 'http://www.w3.org/2001/xml-events';
SCHEMAS_XMLNS_XFORMS = 'http://www.w3.org/2002/xforms';
SCHEMAS_XMLNS_XSD = 'http://www.w3.org/2001/XMLSchema';
SCHEMAS_XMLNS_XSI = 'http://www.w3.org/2001/XMLSchema-instance';
// SVG requires hardcoding a DPI value
// The Opera Browser and Inkscape use 90 DPI, so we follow that
// 1 Inch = 25.4 milimiters
// 90 inches per pixel = (1 / 90) * 25.4 = 0.2822
// FLOAT_MILIMETERS_PER_PIXEL = 0.3528; // DPI 72 = 1 / 72 inches per pixel
FLOAT_MILIMETERS_PER_PIXEL = 0.2822; // DPI 90 = 1 / 90 inches per pixel
FLOAT_PIXELS_PER_MILIMETER = 3.5433; // DPI 90 = 1 / 90 inches per pixel
constructor TvODTVectorialWriter.Create;
begin
inherited Create;
FPointSeparator := DefaultFormatSettings;
FPointSeparator.DecimalSeparator := '.';
FPointSeparator.ThousandSeparator := '#';// disable the thousand separator
end;
destructor TvODTVectorialWriter.Destroy;
begin
inherited Destroy;
end;
procedure TvODTVectorialWriter.WriteToFile(AFileName: string;
AData: TvVectorialDocument);
begin
inherited WriteToFile(AFileName, AData);
end;
procedure TvODTVectorialWriter.WriteToStream(AStream: TStream;
AData: TvVectorialDocument);
begin
//inherited WriteToStream(AStream, AData);
end;
initialization
RegisterVectorialWriter(TvODTVectorialWriter, vfODT);
end.