FastReport_2022_VCL/LibD28/frxExportHTMLDiv.pas
2024-01-01 16:13:08 +01:00

2184 lines
55 KiB
ObjectPascal

{******************************************}
{ }
{ FastReport VCL }
{ HTML <div> Export }
{ }
{ Copyright (c) 1998-2021 }
{ by Fast Reports Inc. }
{ }
{******************************************}
unit frxExportHTMLDiv;
{ General advice for using this export.
• Avoid using vertical alignment in memos:
it forces the export to create more
complicated HTML. Leave the alignment vaTop
whenever it's possible.
• Use @-type anchors in TfrxView.URL instead of
#-type, because #-type is much slower to export. }
interface
{$I frx.inc}
uses
{$IFNDEF FPC}
Windows,
{$ENDIF}
SysUtils,
Variants,
Classes,
{$IFDEF FPC}
LCLType, LCLIntf, LCLProc,
{$ENDIF}
{$IFNDEF FPC}
ShellAPI,
{$ENDIF}
Graphics,
frxClass,
frxBaseGraphicsTypes,
frxStorage, // for TCachedStream
frxGradient,
{$IFDEF DELPHI16}
System.UITypes,
{$ENDIF}
frxExportHelpers, frxExportBaseDialog, frxVectorCanvas, frxCSSStyle;
type
{ Measures actual size of a TfrxView.
Example:
Gauge := TfrxBoundsGauge.Create;
Gauge.Obj := MemoView;
Gauge.Bounds.Left; // the leftmost coordinate including the left border
Gauge.Borders.Left; // the left border width }
TfrxBoundsGauge = class
private
FObj: TfrxView;
FBoundsSet: Boolean;
FBounds: TRect;
FBorders: TRect;
FX, FY, FX1, FY1, FDX, FDY: Integer;
FFrameWidth: Integer;
procedure SetObj(Obj: TfrxView);
procedure AddBounds(r: TRect);
function GetInnerWidth: Integer;
function GetInnerHeight: Integer;
protected
procedure BeginDraw;
procedure DrawBackground;
procedure DrawFrame;
procedure DrawLine(x1, y1, x2, y2, w: Integer; Side: TfrxFrameType);
public
property Obj: TfrxView read FObj write SetObj;
property Bounds: TRect read FBounds;
property Borders: TRect read FBorders;
property InnerWidth: Integer read GetInnerWidth;
property InnerHeight: Integer read GetInnerHeight;
end;
{ Represents a HTML tag }
TfrxHTMLItem = class
private
FName: string;
FKeys: TStrings;
FValues: TStrings;
FValue: string;
FRawValue: AnsiString;
FChildren: TObjList;
FLeft, FTop, FWidth, FHeight: Extended;
FLeftSet, FTopSet, FWidthSet, FHeightSet: Boolean;
FStyle: TfrxCSSStyle;
FClass: string;
FRotation: Integer;
FAllowNegativeLeft: Boolean;
FIsTransformMatrix: Boolean;
FTM: array of Extended; // TransformMatrix
procedure SetProp(Index: string; const Value: string);
function GetProp(Index: string): string;
function GetStyle: TfrxCSSStyle;
procedure SetLeft(a: Extended);
procedure SetTop(a: Extended);
procedure SetWidth(a: Extended);
procedure SetHeight(a: Extended);
public
constructor Create(const Name: string);
destructor Destroy; override;
function This: TfrxHTMLItem;
procedure GaudeFrame(Obj: TfrxView);
procedure Gaude(Obj: TfrxView);
procedure WidenBy(Size: Extended);
procedure DoPositive;
class function EscapeAttribute(const s: string): string;
procedure Save(Stream: TStream; Formatted: Boolean);
function Add(const Tag: string): TfrxHTMLItem; overload;
function Add(Item: TfrxHTMLItem): TfrxHTMLItem; overload;
function AddRotated(const Tag: string; ARotation: Integer): TfrxHTMLItem;
function AddTransformed(const Tag: string; ATransformMatrix: array of Extended): TfrxHTMLItem;
procedure AddCSSClass(const s: string);
property Prop[Index: string]: string read GetProp write SetProp; default;
property Value: string write FValue;
property RawValue: AnsiString write FRawValue;
property Name: string write FName;
{ CSS style is created on demand }
property Style: TfrxCSSStyle read GetStyle;
{ These lengths are measured in FR units (pixels) }
property Left: Extended read FLeft write SetLeft;
property Top: Extended read FTop write SetTop;
property Width: Extended read FWidth write SetWidth;
property Height: Extended read FHeight write SetHeight;
property AllowNegativeLeft: Boolean read FAllowNegativeLeft write FAllowNegativeLeft;
end;
{ Queue of automatically serialised HTML tags }
TfrxHTMLItemQueue = class
private
FQueue: array of TfrxHTMLItem;
FUsed: Integer;
FStream: TStream;
FFormatted: Boolean;
protected
procedure Flush;
public
constructor Create(Stream: TStream; Formatted: Boolean);
destructor Destroy; override;
procedure Push(Item: TfrxHTMLItem);
procedure SetQueueLength(n: Integer);
end;
{ HTML export filter }
{$IFDEF DELPHI16}
[ComponentPlatformsAttribute(pidWin32 or pidWin64)]
{$ENDIF}
TfrxHTMLDivExport = class(TExportHTMLDivSVGParent)
private
FTitle: string;
FHTML5: Boolean;
FAllPictures: Boolean;
FPageStyle: TfrxCSSStyle;
FExportAnchors: Boolean;
FPictureTag: Integer;
FQueue: TfrxHTMLItemQueue; // it represents the current page
FUseTemplates: Boolean;
FPrint: Boolean;
FGetNavTemplate: TfrxHTMLExportGetNavTemplate;
FGetMainTemplate: TfrxHTMLExportGetMainTemplate;
FGetToolbarTemplate: TfrxHTMLExportGetToolbarTemplate;
FPreviewOutline: TfrxCustomOutline;
FOutlineTree: TfrxHTMLOutlineNode;
FOutlineTreeNode :TfrxHTMLOutlineNode;
FOnProcessHyperLink: TOnProcessHyperLink;
FParentDetailURL: String;
function GetPageStyle: TfrxCSSStyle;
function GetAnchor(var Page: string; const Name: string): Boolean;
function GetHRef(const URL: string): string;
procedure PutImg(Obj: TfrxView; Pic: TGraphic; WriteSize: Boolean);
procedure EndHTML;
{ Handlers for specific kinds of TfrxView objects.
They return "True" if they succeed to export an object, or "False"
if they want to pass the object further along the handlers chain. }
function ExportTaggedView(Obj: TfrxView): Boolean;
function ExportAllPictures(Obj: TfrxView): Boolean;
function ExportMemo(Obj: TfrxView): Boolean;
function ExportPicture(Obj: TfrxView): Boolean;
function ExportShape(Obj: TfrxView): Boolean;
function ExportLine(Obj: TfrxView): Boolean;
function ExportGradient(Obj: TfrxView): Boolean;
{$IFNDEF FPC}
function ExportViaEMF(Obj: TfrxView): Boolean;
{$ENDIF}
function ExportAsPicture(Obj: TfrxView): Boolean;
protected
{ Creates a new HTML tag and returns it. The tag don't need to be
deleted or serialised to a stream: this is done automatically. }
function AddTag(const Name: string): TfrxHTMLItem;
{ Creates an empty <div> tag with assigned styles }
function CreateDiv(Obj: TfrxView; Widen: Integer = 0): TfrxHTMLItem;
function CreateFrameDiv(Obj: TfrxView): TfrxHTMLItem;
function CreateFillDiv(Obj: TfrxView): TfrxHTMLItem;
procedure FillGraduienProps(Style: TfrxCSSStyle;
BeginColor, EndColor: TColor; GradientStyle: TfrxGradientStyle);
function FilterHTML(const Text: string): string;
function EscapeText(const s: string): string;
function DoHyperLink(HL: TfrxHyperlink): string;
procedure DoExportAsPicture(Obj: TfrxView; Transparent: Boolean; IsVectorSource: Boolean; IsAlphaSource: Boolean;
TransparentColor: TColor = clNone);
function NavPageNumber(PageNumber: Integer): string;
procedure StartAnchors;
procedure StartNavigator;
procedure CreateCSS; override;
procedure StartHTML;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
class function GetDescription: String; override;
class function ExportDialogClass: TfrxBaseExportDialogClass; override;
{ function ShowModal: TModalResult; override; }
function Start: Boolean; override;
procedure StartPage(Page: TfrxReportPage; Index: Integer); override;
procedure FinishPage(Page: TfrxReportPage; Index: Integer); override;
procedure Finish; override;
{ Report pages are represented as separate <div> tags. All these tags
are associated with the same CSS style, so its possible to adjust
appearance of pages by modifying this style. Example:
PageStyle['border'] := '1mm solid orange';
PageStyle['margin'] := '5mm';
PageStyle.CSS3Style['box-shadow'] := '3mm 3mm 3mm gray';
PageStyle.cSS3Style['border-radius'] := '3mm'; }
property PageStyle: TfrxCSSStyle read GetPageStyle;
property OnProcessHyperLink: TOnProcessHyperLink read FOnProcessHyperLink write FOnProcessHyperLink;
property ParentDetailURL: String read FParentDetailURL write FParentDetailURL;
property Print: Boolean read FPrint write FPrint;
property UseTemplates: Boolean read FUseTemplates write FUseTemplates;
property OnGetMainTemplate: TfrxHTMLExportGetMainTemplate read FGetMainTemplate
write FGetMainTemplate;
property OnGetToolbarTemplate: TfrxHTMLExportGetToolbarTemplate read FGetToolbarTemplate
write FGetToolbarTemplate;
property OnGetNavTemplate: TfrxHTMLExportGetNavTemplate read FGetNavTemplate
write FGetNavTemplate;
published
property Title: string read FTitle write FTitle;
{ Allows using HTML5 features }
property HTML5: Boolean read FHTML5 write FHTML5;
{ Exports all report components as pictures }
property AllPictures: Boolean read FAllPictures write FAllPictures;
{ Creates anchors based on TfrxView.URL property. This option is useful only if
the URLs begin with the "#" sign. }
property ExportAnchors: Boolean read FExportAnchors write FExportAnchors;
{ If not equals zero, forces the export to save all report components
with this value of the Tag property export as pictures. The format of pictures
is defined by PictureFormat. }
property PictureTag: Integer read FPictureTag write FPictureTag;
end;
{ HTML export that uses modern HTML5 features }
{$IFDEF DELPHI16}
[ComponentPlatformsAttribute(pidWin32 or pidWin64)]
{$ENDIF}
TfrxHTML5DivExport = class(TfrxHTMLDivExport)
public
constructor Create(AOwner: TComponent); override;
class function GetDescription: String; override;
end;
{ HTML export that is compatible with old browsers, like IE6 }
{$IFDEF DELPHI16}
[ComponentPlatformsAttribute(pidWin32 or pidWin64)]
{$ENDIF}
TfrxHTML4DivExport = class(TfrxHTMLDivExport)
public
constructor Create(AOwner: TComponent); override;
class function GetDescription: String; override;
end;
implementation
uses
Contnrs,
frxUtils,
frxRes,
Math,
frxXML, // for access to TfrxPreviewPages.FindAnchor's results
frxPreviewPages,
{$IFNDEF FPC}frxEMFtoSVGExport, frxEMFAbstractExport, {$ENDIF}
frxExportHTMLDivDialog;
const
wbFrame = 1;
wbExport = 2;
{ Utility routines }
function FRLength(a: Extended; AllowNegative: Boolean = False): string;
var
ra: Integer;
begin
ra := Round(a);
Result := IfStr(not AllowNegative and (ra <= 0), '0', IntToStr(ra) + 'px');
end;
function GetLineStyle(s: TfrxFrameStyle): string;
begin
case s of
fsSolid:
Result := 'solid';
fsDash:
Result := 'dashed';
fsDot:
Result := 'dotted';
fsDashDot:
Result := 'dashed';
fsDashDotDot:
Result := 'dotted';
fsDouble:
Result := 'double';
fsAltDot:
Result := 'dotted';
fsSquare:
Result := 'dotted';
else
Result := '';
end;
end;
function GetFrameLineStyle(w: Extended; s: TfrxFrameStyle; c: TColor): string; overload;
begin
if Round(w) = 0 then
Result := ''
else
Result := FRLength(Max(w, 1.0)) + ' ' + GetLineStyle(s) + ' ' + GetColor(c)
end;
function GetFrameLineStyle(Line: TfrxFrameLine): string; overload;
begin
Result := GetFrameLineStyle(Line.Width, Line.Style, Line.Color)
end;
function GetHAlign(Align: TfrxHAlign): string;
begin
case Align of
haRight:
Result := 'right';
haCenter:
Result := 'center';
haBlock:
Result := 'justify';
else
Result := '';
end;
end;
function GetVAlign(Align: TfrxVAlign): string;
begin
case Align of
vaTop:
Result := 'top';
vaBottom:
Result := 'bottom';
vaCenter:
Result := 'middle';
else
Result := '';
end;
end;
function GetFont(Font: TFont): string;
begin
Result := IfStr(fsBold in Font.Style, 'bold ') + IfStr(fsItalic in Font.Style,
'italic ') + IntToStr(Font.Size) + 'pt ' + Font.Name
end;
function GetTextDecoration(s: TFontStyles): string;
begin
Result := IfStr(fsUnderline in s, 'underline ') + IfStr(fsStrikeOut in s,
'line-through')
end;
{ TfrxHTMLDivExport }
function TfrxHTMLDivExport.AddTag(const Name: string): TfrxHTMLItem;
begin
Result := TfrxHTMLItem.Create(Name);
FQueue.Push(Result);
end;
constructor TfrxHTMLDivExport.Create(AOwner: TComponent);
begin
inherited;
DefaultExt := GetStr('HTMLExtension');
FilterDesc := frxGet(9301);
{ LIFO }
AttachHandler(ExportAsPicture);
AttachHandler(ExportPicture);
{$IFNDEF FPC}
AttachHandler(ExportViaEMF);
{$ENDIF}
AttachHandler(ExportGradient);
AttachHandler(ExportLine);
AttachHandler(ExportShape); // Without Fill (except skRectangle)
AttachHandler(ExportMemo);
AttachHandler(ExportAllPictures);
AttachHandler(ExportTaggedView);
Server := False;
FUseTemplates := False;
FPrint := false;
FOnProcessHyperLink := nil;
end;
procedure TfrxHTMLDivExport.CreateCSS;
begin
inherited;
FCSS := TfrxCSSList.Create;
with FCSS do
begin
AddName('div, img, table')['position'] := 'absolute';
AddName('div, td')['overflow'] := 'hidden';
AddName('sub')['font-size'] := '0.67em';
with AddName('sup') do
begin
Style['font-size'] := '0.67em';
Style['vertical-align'] := 'top';
Style['position'] := 'relative';
Style['top'] := '-0.2em';
end;
AddName('svg')['vertical-align'] := 'top';
with AddName('tr, td, table, tbody') do
begin
Style['text-decoration'] := 'inherit';
Style['vertical-align'] := 'inherit';
end;
with AddName('table') do
begin
Style['width'] := '100%';
Style['height'] := '100%';
Style['border-spacing'] := '0';
if not HTML5 then
begin
Style['border'] := '0';
Style['padding'] := '0';
end;
end;
// AddName('img')['z-index'] := '1';
with AddName('.nav') do
begin
Style['font-family'] := 'Courier New, monospace';
Style['font-size'] := '16';
Style['font-weight'] := 'bold';
Style['margin'] := '1em';
end;
with AddName('.nav a') do
begin
Style['text-decoration'] := 'none';
Style['margin-right'] := '1em';
Style['color'] := 'black';
end;
AddName('.nav a:hover')['text-decoration'] := 'underline';
if FPageStyle <> nil then
FPageStyle.AssignTo(AddName('.page'));
if Outline then
AddName(outlineCSS);
end;
end;
function TfrxHTMLDivExport.CreateDiv(Obj: TfrxView; Widen: Integer = 0): TfrxHTMLItem;
var
rBounds: TfrxRect;
begin
Result := AddTag('div');
Result.Gaude(Obj);
Result.DoPositive;
if Widen = wbFrame then
Result.WidenBy(Obj.Frame.Width)
else if Widen = wbExport then
begin
Result.AllowNegativeLeft := True;
rBounds := Obj.GetExportBounds;
Result.Left := rBounds.Left;
Result.Width := rBounds.Right - rBounds.Left;
Result.Top := rBounds.Top;
Result.Height := rBounds.Bottom - rBounds.Top;
if Obj is TfrxCustomMemoView then
with TfrxCustomMemoView(Obj) do
if not Clipped and (Page <> nil) and (Page is TfrxReportPage) then
begin
Result.Left := Min(Result.Left, 0);
Result.Top := Min(Result.Top, 0);
Result.Width := Max(Result.Width, Page.Width);
Result.Height := Max(Result.Height, Page.Height);
end;
end;
if Obj.ShowHint then
Result.Prop['title'] := Obj.Hint;
with Result do
if Obj.URL <> '' then
with Add('a') do
begin
Style['width'] := '100%';
Style['height'] := '100%';
Style['position'] := 'absolute';
Prop['href'] := GetHRef(Obj.URL);
end;
end;
function TfrxHTMLDivExport.CreateFillDiv(Obj: TfrxView): TfrxHTMLItem;
function SVGPatternFill(XLine, YLine, Turn: Boolean; Color: TColor;
Width, Height: Integer; LineWidth: Extended): string;
var
PatternName: string;
begin
PatternName := SVGUniqueID;
with TTextFragment.Create(Formatted) do
begin
Add('<svg width="100%" height="100%">');
Add(SVGPattern(Formatted, XLine, YLine, Turn, Color, LineWidth,
PatternName));
Add('<rect width="%u" height="%u" fill="url(#%s)" />',
[Width, Height, PatternName]);
Add('</svg>');
Result := Text;
Free;
end;
end;
var
Width, Height: Integer;
function PF(LineColor: TColor; XLine, YLine, Turn: Boolean): string;
begin
PF := SVGPatternFill(XLine, YLine, Turn, LineColor, Width, Height, 1.4);
end;
var
x, y, w2, h2: Integer;
begin
Result := nil;
if (Obj.FillType = ftBrush) and
(TfrxBrushFill(Obj.Fill).Style in [bsSolid, bsClear]) and
(TfrxBrushFill(Obj.Fill).BackColor = clNone) { transparent brush } or
(Obj.FillType = ftGlass) and (TfrxGlassFill(Obj.Fill).Color = clNone)
{ transparent glass } then
Exit;
Result := AddTag('div');
Result.Gaude(Obj);
Width := Round(Result.Width);
Height := Round(Result.Height);
case Obj.FillType of
ftBrush:
with TfrxBrushFill(Obj.Fill) do
begin
with TfrxCSSStyle.Create do
begin
Style['background'] := GetColor(BackColor);
Result.AddCSSClass(LockStyle(This));
end;
case Style of
bsHorizontal:
Result.Value := PF(ForeColor, True, False, False);
bsVertical:
Result.Value := PF(ForeColor, False, True, False);
bsFDiagonal:
Result.Value := PF(ForeColor, True, False, True);
bsBDiagonal:
Result.Value := PF(ForeColor, False, True, True);
bsCross:
Result.Value := PF(ForeColor, True, True, False);
bsDiagCross:
Result.Value := PF(ForeColor, True, True, True);
else // bsSolid, bsClear:
end;
end;
ftGradient:
with TfrxGradientFill(Obj.Fill) do
with TfrxCSSStyle.Create do
begin
FillGraduienProps(This, StartColor, EndColor,
TfrxGradientStyle(GradientStyle));
Result.AddCSSClass(LockStyle(This));
end;
ftGlass:
with TfrxGlassFill(Obj.Fill) do
begin
with TfrxCSSStyle.Create do
begin
Style['background'] := frxExportHelpers.GetColor(Color);
Result.AddCSSClass(LockStyle(This));
end;
x := 0;
y := 0;
w2 := Width;
h2 := Height;
CalcGlassRect(Orientation, 0, 0, x, y, w2, h2);
with TTextFragment.Create(Formatted) do
begin
Add('<svg width="100%" height="100%">');
Add('<rect x="%d" y="%d" width="%u" height="%u" fill="%s" />',
[x, y, w2, h2, frxExportHelpers.GetColor(BlendColor)]);
if Hatch then
Add(PF(HatchColor, False, True, True));
Add('</svg>');
Result.Value := Text;
Free;
end;
end;
end;
end;
function TfrxHTMLDivExport.CreateFrameDiv(Obj: TfrxView): TfrxHTMLItem;
procedure FillFrameProps(Style: TfrxCSSStyle; Frame: TfrxFrame);
var
L, T, r, B: string;
begin
L := IfStr(ftLeft in Frame.Typ, GetFrameLineStyle(Frame.LeftLine));
T := IfStr(ftTop in Frame.Typ, GetFrameLineStyle(Frame.TopLine));
r := IfStr(ftRight in Frame.Typ, GetFrameLineStyle(Frame.RightLine));
B := IfStr(ftBottom in Frame.Typ, GetFrameLineStyle(Frame.BottomLine));
if (L = T) and (L = r) and (L = B) then
Style['border'] := L
else
begin
Style['border-left'] := L;
Style['border-top'] := T;
Style['border-right'] := r;
Style['border-bottom'] := B;
end;
if Frame.DropShadow and HTML5 then
with Style do
PrefixStyle['box-shadow'] := FRLength(Frame.ShadowWidth) + ' ' +
FRLength(Frame.ShadowWidth) + ' ' + FRLength(Frame.ShadowWidth) + ' '
+ GetColor(Frame.ShadowColor);
end;
begin
Result := nil;
if (Obj.Frame.Typ = []) and not(Obj.Frame.DropShadow and HTML5) then
Exit;
Result := AddTag('div');
Result.GaudeFrame(Obj);
with TfrxCSSStyle.Create do
begin
FillFrameProps(This, Obj.Frame);
Result.AddCSSClass(LockStyle(This));
end;
end;
destructor TfrxHTMLDivExport.Destroy;
begin
FPageStyle.Free; // it's created by the getter of PageStyle
inherited
end;
procedure TfrxHTMLDivExport.DoExportAsPicture(Obj: TfrxView; Transparent: Boolean; IsVectorSource: Boolean; IsAlphaSource: Boolean; TransparentColor: TColor = clNone);
var
Pic: TfrxPicture;
PF: TfrxPictureFormat;
Correction: Integer;
begin
if Transparent then
PF := pfPNG
else
PF := PictureFormat;
Correction := IfInt(Obj is TfrxShapeView, 2);
{ Some objects can have negative dimensions }
Pic := TfrxPicture.Create(PF, Abs(Round(Obj.AbsLeft + Obj.Width) -
Round(Obj.AbsLeft)) + Correction,
Abs(Round(Obj.AbsTop + Obj.Height) - Round(Obj.AbsTop)) + Correction, Transparent, IsVectorSource, IsAlphaSource);
if Transparent and (TransparentColor <> clNone) then
begin
Pic.SetTransparentColor(TransparentColor);
Pic.FillColor(TransparentColor);
end
else
Pic.FillColor(Obj.Color);
Obj.DrawClipped(Pic.Canvas, 1, 1, -Obj.AbsLeft, -Obj.AbsTop);
PutImg(Obj, Pic.Release, False);
Pic.Free;
end;
function TfrxHTMLDivExport.DoHyperLink(HL: TfrxHyperlink): string;
function FileByAnchor: string;
begin
Result := IntToStr((Report.PreviewPages as TfrxPreviewPages)
.GetAnchorPage(HL.Value)) + DefaultExt;
end;
var
OHV: string;
begin
Result := '';
if (HL <> nil) then
begin
if (@FOnProcessHyperLink <> nil) then
begin
OHV := FOnProcessHyperLink(HL, FParentDetailURL);
if (OHV <> '') then
Result := Format('<a href="%s">', [OHV]);
end;
if (OHV = '') then
begin
OHV := TfrxHTMLItem.EscapeAttribute(HL.Value);
if OHV <> '' then
case HL.Kind of
hkURL:
Result := Format('<a href="%s" target="_blank">', [OHV]);
hkAnchor:
if MultiPage then
Result := Format('<a href="%s#%s">', [FileByAnchor, OHV])
else
Result := Format('<a href="#%s">', [OHV]);
hkPageNumber:
if MultiPage then
Result := Format('<a href="%s">', [OHV + DefaultExt])
else
Result := Format('<a href="#page%s">', [OHV]);
else { hkDetailReport:, hkDetailPage:, hkCustom: }
end;
end;
end;
end;
procedure TfrxHTMLDivExport.EndHTML;
begin
{ <style> can only appear inside <head>, but there's no other way
to embed styles and this approach works perfectly for all browsers. }
if Outline then
begin
Puts('</div>');
Puts(outlineJS);
end;
if EmbeddedCSS then
begin
Puts('<style>');
FCSS.Save(FCurrentFile, Formatted);
Puts('</style>');
end;
if not Server then
begin
Puts('</body>');
Puts('</html>');
end;
FreeStream;
end;
function TfrxHTMLDivExport.EscapeText(const s: string): string;
begin
Result := StrFindAndReplace(s, ':', ['&:&amp;', '<:&lt;', '>:&gt;',
'":&quot;', ''':&#39;', #13':', ' : &nbsp;', #10':<br />']);
end;
function TfrxHTMLDivExport.ExportAllPictures(Obj: TfrxView): Boolean;
begin
Result := AllPictures and ExportAsPicture(Obj)
end;
function TfrxHTMLDivExport.ExportAsPicture(Obj: TfrxView): Boolean;
begin
DoExportAsPicture(Obj, not (Obj is TfrxPictureView), Obj.Color = clNone, False, clWhite);
CreateFrameDiv(Obj);
Result := True;
end;
class function TfrxHTMLDivExport.ExportDialogClass: TfrxBaseExportDialogClass;
begin
Result := TfrxHTMLDivExportDialog;
end;
function TfrxHTMLDivExport.ExportGradient(Obj: TfrxView): Boolean;
var
Grad: TfrxGradientView;
begin
Result := Obj is TfrxGradientView;
if not Result then
Exit;
Grad := Obj as TfrxGradientView;
if Result then
with CreateDiv(Obj) do
with TfrxCSSStyle.Create do
begin
FillGraduienProps(This, Grad.BeginColor, Grad.EndColor, Grad.Style);
if Count > 0 then
AddCSSClass(LockStyle(This));
end;
CreateFrameDiv(Obj);
end;
function TfrxHTMLDivExport.ExportLine(Obj: TfrxView): Boolean;
var
Line: TfrxLineView;
begin
Result := Obj is TfrxLineView;
if not Result then
Exit;
Line := Obj as TfrxLineView;
if not Line.Diagonal then
CreateFrameDiv(Line)
else if HTML5 then
with CreateDiv(Line, wbFrame) do
with TTextFragment.Create(Formatted) do
begin
Add('<svg width="100%" height="100%">');
Add(SVGLine(Formatted, True, FCSS, Line));
Add('</svg>');
Value := Text;
Free;
end;
end;
function TfrxHTMLDivExport.ExportMemo(Obj: TfrxView): Boolean;
function IsMemoNeedEMF(Memo: TfrxCustomMemoView): Boolean;
begin
Result := {Memo.AllowHTMLTags and IsHasHTMLTags(Memo.Memo.Text)
or }(Memo.ReducedAngle <> 0)
or (Min(Memo.GapX, Memo.GapY) <= 0);
end;
var
Memo: TfrxCustomMemoView;
ol : string;
procedure FillProps(Style: TfrxCSSStyle);
begin
with Style do
begin
Style['color'] := GetColor(Memo.Font.Color);
Style['font'] := GetFont(Memo.Font);
Style['text-decoration'] := GetTextDecoration(Memo.Font.Style);
Style['text-align'] := GetHAlign(Memo.HAlign);
Style['cursor'] := GetCursor(Memo.Cursor);
{ It's ok to ignore vaTop and vaCenter alignments.
For vaTop a <div> is created which has the top alignment
by default; for vaCenter a <table> is created which has
the middle alignment by default. }
Style['vertical-align'] := GetVAlign(Memo.VAlign);
if Memo.ParagraphGap > 0 then
Style['text-indent'] := FRLength(Memo.ParagraphGap);
if Memo.CharSpacing <> 0 then
Style['letter-spacing'] := FRLength(Memo.CharSpacing, True);
Style['line-height'] :=
IntToStr(Round(Memo.Font.Size * 96 / 72 + Memo.LineSpacing)) + 'px';
if Memo.GapY > 0.5 then
case Memo.VAlign of
vaTop:
Style['padding-top'] := Format('%dpx', [Round(Memo.GapY)]);
vaBottom:
Style['padding-bottom'] := Format('%dpx', [Round(Memo.GapY)]);
else // vaCenter:
end;
if Memo.GapX > 0.5 then
begin
if Memo.HAlign in [haLeft, haBlock] then
Style['padding-left'] := Format('%dpx', [Round(Memo.GapX)]);
if Memo.HAlign in [haRight, haBlock] then
Style['padding-right'] := Format('%dpx', [Round(Memo.GapX)]);
end;
if (Memo.Hyperlink <> nil) and (Memo.Hyperlink.Value <> '') then
Style['z-index'] := '1';
end;
end;
const
WidthFactor: array [TfrxHAlign] of Integer = (1, 1, 0, 2);
// (haLeft, haRight, haCenter, haBlock);
HeightFactor: array [TfrxVAlign] of Integer = (1, 1, 0);
// (vaTop, vaBottom, vaCenter);
var
Text, HL: string;
InnerTag: TfrxHTMLItem;
IsEmpty: Boolean;
begin
Result := (Obj is TfrxCustomMemoView)
{$IFNDEF RAD_ED}{$IFNDEF FPC}
and not IsMemoNeedEMF(TfrxCustomMemoView(Obj))
{$ENDIF}{$ENDIF}
;
if not Result then
Exit;
Memo := Obj as TfrxCustomMemoView;
CreateFillDiv(Memo);
if IsCJK(Memo.Lines.Text) then // Chinese, Japanese, Korean
Text := {$IFDEF Delphi12} Trim(Memo.WrapText(Memo.WordWrap))
{$ELSE} Trim(UTF8Encode(Memo.WrapText(Memo.WordWrap)))
{$ENDIF}
else
Text := {$IFDEF Delphi12} Trim(Memo.Lines.Text);
{$ELSE} Trim(UTF8Encode(Memo.Lines.Text));
{$ENDIF}
{ Write outline id }
ol := '';
if Outline and Assigned(Obj) then
ol := GetIdOutlineHTML(Obj.Parent.Top - Obj.Top + Obj.Height, Obj.Height, FOutlineTreeNode, 0);
IsEmpty := Memo.HideZeros and (Text = '0') or (Text = '');
if not IsEmpty then
if Memo.ReducedAngle <> 0 then
CreateDiv(Obj).RawValue := ExportViaVector(Obj)
else
with CreateDiv(Memo) do
begin
Width := Width - WidthFactor[Memo.HAlign] * Round(Memo.GapX);
Height := Height - HeightFactor[Memo.VAlign] * Round(Memo.GapY);
with TfrxCSSStyle.Create do
begin
FillProps(This);
AddCSSClass(LockStyle(This));
end;
if Memo.VAlign = vaTop then
begin
if ol<>'' then
InnerTag := This.Add('a' + ol)
else
InnerTag := This;
end
else
InnerTag := Add('table').Add('tr').Add('td' + ol);
Text := EscapeText(Text);
if Memo.AllowHTMLTags then
Text := FilterHTML(Text);
HL := DoHyperLink(Memo.Hyperlink);
if (HL <> '') then
Text := HL + Text + '</a>';
InnerTag.Value := Text;
end;
ol :='';
CreateFrameDiv(Memo);
end;
function TfrxHTMLDivExport.ExportPicture(Obj: TfrxView): Boolean;
var
PictureView: TfrxPictureView;
Typ: TfrxFrameTypes;
begin
Result := Obj is TfrxPictureView;
if not Result then
Exit;
CreateDiv(Obj);
PictureView := (Obj as TfrxPictureView);
if not PictureView.IsEmpty then
begin
if IsPageBG(PictureView) and
(Report.PreviewPages.Page[FCurrentPage - 1] <> nil) and
not Report.PreviewPages.Page[FCurrentPage - 1].BackPictureStretched then
PictureView.Stretched := False;
if PictureView.Transparent or UnifiedPictures then
begin
Typ := Obj.Frame.Typ;
Obj.Frame.Typ := [];
DoExportAsPicture(Obj, PictureView.Transparent and (Obj.Color = clNone), PictureView.GraphicIsVector and not PictureView.GraphicIsTranslucent, (PictureView.GraphicHasAlpha or PictureView.GraphicHasMaskColor) and (Obj.Color = clNone), PictureView.GraphicTransparentColor);
Obj.Frame.Typ := Typ;
end
else
PutImg(Obj, PictureView.GetGraphic, True);
end
else if PictureView.Color <> clNone then
CreateFillDiv(Obj);
CreateFrameDiv(Obj);
end;
function TfrxHTMLDivExport.ExportShape(Obj: TfrxView): Boolean;
var
Shape: TfrxShapeView;
begin
Result := (Obj is TfrxShapeView);
if not Result then
Exit;
Shape := Obj as TfrxShapeView;
if Shape.Shape = skRectangle then
CreateFillDiv(Obj);
with CreateDiv(Obj, wbFrame) do
if HTML5 then
with TTextFragment.Create(Formatted) do
begin
Add('<svg width="100%" height="100%">');
Add(SVGShapePath(Shape, spStroke + spHTML));
Add('</svg>');
Value := Text;
Free;
end;
end;
function TfrxHTMLDivExport.ExportTaggedView(Obj: TfrxView): Boolean;
begin
Result := (PictureTag <> 0) and (Obj.Tag = PictureTag) and
ExportAsPicture(Obj);
end;
{$IFNDEF FPC}
function TfrxHTMLDivExport.ExportViaEMF(Obj: TfrxView): Boolean;
procedure SetParams(EMFtoSVG: TEMFtoSVGExport);
begin
// EMFtoSVG.ShowComments := True; { TODO : Debug }
EMFtoSVG.LinearBarcode :=
(AnsiUpperCase(Obj.ClassName) = 'TFRXBARCODEVIEW');
EMFtoSVG.Formatted := Formatted;
EMFtoSVG.ForceMitterLineJoin := True;
EMFtoSVG.SetEmbedded(FCSS, Obj);
end;
var
MS1, MS2: TMemoryStream;
EMFtoSVG: TEMFtoSVGExport;
AnsiTemp: AnsiString;
begin
Result := Obj.IsEMFExportable;
if not Result then
Exit;
CreateFillDiv(Obj);
if HTML5 then
begin
MS1 := CreateMetaStream(Obj);
MS2 := nil;
try
MS2 := TMemoryStream.Create;
EMFtoSVG := TEMFtoSVGExport.Create(MS1, MS2);
try
SetParams(EMFtoSVG);
EMFtoSVG.PlayMetaFile;
finally
EMFtoSVG.Free;
end;
MS2.Position := 0;
SetLength(AnsiTemp, MS2.Size);
MS2.ReadBuffer(AnsiTemp[1], MS2.Size);
CreateDiv(Obj, wbExport).RawValue := AnsiTemp;
finally
MS1.Free;
MS2.Free;
end;
end;
CreateFrameDiv(Obj);
end;
{$ENDIF}
function TfrxHTMLDivExport.GetAnchor(var Page: string;
const Name: string): Boolean;
var
a: TfrxXMLItem;
begin
Result := Report.PreviewPages is TfrxPreviewPages;
if not Result then
Exit;
a := (Report.PreviewPages as TfrxPreviewPages).FindAnchor(Name);
if a = nil then
Exit;
Page := a.Prop['page'];
Result := Page <> '';
end;
class function TfrxHTMLDivExport.GetDescription: String;
begin
Result := GetStr('9300')
end;
function TfrxHTMLDivExport.GetHRef(const URL: string): string;
var
Page: string;
begin
if URL = '' then
Result := ''
else
case URL[1] of
'@':
if MultiPage then
Result := Copy(URL, 2, Length(URL)) + '.html'
else
Result := '#page' + Copy(URL, 2, Length(URL));
'#':
if ExportAnchors and GetAnchor(Page, Copy(URL, 2, Length(URL))) then
try
Result := '#page' + IntToStr(StrToInt(Page) + 1)
except
Result := ''
end;
else
Result := URL
end
end;
function TfrxHTMLDivExport.GetPageStyle: TfrxCSSStyle;
begin
if FPageStyle = nil then
begin
FPageStyle := TfrxCSSStyle.Create;
FPageStyle.Name := '.page';
end;
Result := FPageStyle;
end;
procedure TfrxHTMLDivExport.FillGraduienProps(Style: TfrxCSSStyle;
BeginColor, EndColor: TColor; GradientStyle: TfrxGradientStyle);
begin
if HTML5 then
case GradientStyle of
gsHorizontal:
Style.PrefixStyle['background'] :=
Format('linear-gradient(to right, %s, %s)',
[GetColor(BeginColor), GetColor(EndColor)]);
gsHorizCenter:
Style.PrefixStyle['background'] :=
Format('linear-gradient(to right, %s, %s, %s)',
[GetColor(BeginColor), GetColor(EndColor), GetColor(BeginColor)]);
gsVertical:
Style.PrefixStyle['background'] := Format('linear-gradient(%s, %s)',
[GetColor(BeginColor), GetColor(EndColor)]);
gsVertCenter:
Style.PrefixStyle['background'] := Format('linear-gradient(%s, %s, %s)',
[GetColor(BeginColor), GetColor(EndColor), GetColor(BeginColor)]);
gsRectangle, gsElliptic:
Style.PrefixStyle['background'] :=
Format('radial-gradient(ellipse, %s, %s)',
[GetColor(EndColor), GetColor(BeginColor)]);
end;
end;
function TfrxHTMLDivExport.FilterHTML(const Text: string): string;
function RestoreTag(const Source, Tag: string): string;
const
LeftBracket = '&lt;';
RightBracket = '&gt;';
var
OutStr, SubStr, Rest: string;
function IsFound(const SearchStr, ReplaceStr: string): Boolean;
var
p: Integer;
begin
p := Pos(SearchStr, Rest);
Result := p > 0;
if Result then
begin
OutStr := OutStr + Copy(Rest, 1, p - 1) + ReplaceStr;
Delete(Rest, 1, p - 1 + Length(SearchStr));
end;
end;
begin
Rest := Source;
OutStr := '';
SubStr := LeftBracket + Tag;
while IsFound(SubStr, '<' + Tag) and IsFound(RightBracket, '>') do;
Result := OutStr + Rest;
end;
function Tag(T: string): string;
begin
Result := Format('&lt;%s&gt;:<%s>', [T, T]);
end;
begin
Result := StrFindAndReplace(Text, ':', [Tag('b'), Tag('/b'), Tag('strong'),
Tag('/strong'), Tag('i'), Tag('/i'), Tag('em'), Tag('/em'), Tag('u'),
Tag('/u'), Tag('s'), Tag('/s'), Tag('br'), Tag('br/'), Tag('br /'),
Tag('sub'), Tag('/sub'), Tag('sup'), Tag('/sup'), Tag('/font')]);
Result := RestoreTag(Result, 'font');
end;
procedure TfrxHTMLDivExport.FinishPage(Page: TfrxReportPage; Index: Integer);
begin
FQueue.Free;
Puts('</div>'); // <div class="page">...</div>
if FPrint then
if Server then
Puts('<script language="javascript" type="text/javascript"> print();</script>')
else
Puts('<script language="javascript" type="text/javascript"> parent.focus(); parent.print();</script>');
if MultiPage then
EndHTML;
inherited
end;
procedure TfrxHTMLDivExport.Finish;
begin
if not MultiPage then
EndHTML;
if not Assigned(Stream) and not EmbeddedCSS then
SaveCSS(GetCSSFilePath);
FCSS.Free;
FOutlineTree.Free;
end;
function TfrxHTMLDivExport.NavPageNumber(PageNumber: Integer): string;
begin
Result := Format('page%u', [PageNumber]);
end;
procedure TfrxHTMLDivExport.PutImg(Obj: TfrxView; Pic: TGraphic;
WriteSize: Boolean);
var
HL: AnsiString;
IndexImg: Integer;
begin
if not IsCanSavePicture(Pic) then
Exit;
FQueue.Flush;
HL := AnsiString(DoHyperLink(Obj.Hyperlink));
if (HL <> '') then
PutsRaw(HL);
PutsRaw('<img style="');
PutsRaw('left:' + AnsiString(FRLength(Obj.AbsLeft)));
PutsRaw(';top:' + AnsiString(FRLength(Obj.AbsTop)));
if WriteSize then
begin
PutsRaw(';width:' + AnsiString(FRLength(Round(Obj.AbsLeft + Obj.Width) -
Round(Obj.AbsLeft))));
PutsRaw(';height:' + AnsiString(FRLength(Round(Obj.AbsTop + Obj.Height) -
Round(Obj.AbsTop))));
end;
IndexImg := FfrxPictureHashMap.FindOrAddGraphic(Pic, phmIndex);
if (EmbeddedPictures) then
begin
if (FfrxPictureHashMap.isLastNew) then
FCSS.AddName('img.frimg' + IntToStr(IndexImg))['content'] := 'url(' + SavePicture(Pic) + ')';
Puts(Format('" class="frimg%d">', [IndexImg]));
end
else
begin
Puts('" src="');
if (FfrxPictureHashMap.isLastNew) then
Puts(SavePicture(Pic, IndexImg))
else
Puts(GetPicPath(Pic, IndexImg));
Puts('">');
end;
if (HL <> '') then
PutsRaw('</a>');
end;
{
function TfrxHTMLDivExport.ShowModal: TModalResult;
procedure DisableCB(CB: TCheckBox);
begin
CB.State := cbGrayed;
CB.Enabled := False;
end;
begin
Result := mrOk;
if Assigned(Stream) then Exit;
with TfrxHTMLDivExportDialog.Create(nil) do
try
if SlaveExport then
begin
OpenAfterExport := False;
DisableCB(OpenCB);
EmbeddedCSS := True;
DisableCB(StylesCB);
EmbeddedPictures := True;
DisableCB(PicturesCB);
MultiPage := False;
DisableCB(MultipageCB);
Navigation := False;
DisableCB(NavigationCB);
PictureFormat := pfPNG;
PFormatCB.Enabled := False;
UnifiedPictures := True;
DisableCB(UnifiedPicturesCB);
end;
OpenCB.Checked := OpenAfterExport;
StylesCB.Checked := EmbeddedCSS;
PicturesCB.Checked := EmbeddedPictures;
MultipageCB.Checked := MultiPage;
NavigationCB.Checked := Navigation;
UnifiedPicturesCB.Checked := UnifiedPictures;
FormattedCB.Checked := Formatted;
PFormatCB.ItemIndex := Integer(PictureFormat);
if PageNumbers <> '' then
begin
PageNumbersE.Text := PageNumbers;
PageNumbersRB.Checked := True;
end;
if OverwritePrompt then
sd.Options := sd.Options + [ofOverwritePrompt];
sd.FileName := FileName;
sd.DefaultExt := DefaultExt;
sd.Filter := GetStr('9301');
if (FileName = '') and not SlaveExport then
sd.FileName := ChangeFileExt(
ExtractFileName(frxUnixPath2WinPath(Report.FileName)), sd.DefaultExt);
Result := ShowModal;
if Result = mrOk then
begin
OpenAfterExport := OpenCB.Checked;
EmbeddedCSS := StylesCB.Checked;
EmbeddedPictures := PicturesCB.Checked;
MultiPage := MultipageCB.Checked;
Navigation := NavigationCB.Checked;
UnifiedPictures := UnifiedPicturesCB.Checked;
Formatted := FormattedCB.Checked;
PictureFormat := TfrxPictureFormat(PFormatCB.ItemIndex);
PageNumbers := '';
CurPage := CurPageRB.Checked;
if PageNumbersRB.Checked then
PageNumbers := PageNumbersE.Text;
if not SlaveExport then
begin
if DefaultPath <> '' then
sd.InitialDir := DefaultPath;
if sd.Execute then
FileName := sd.FileName
else
Result := mrCancel;
end;
end;
finally
Free
end;
end;
}
procedure TfrxHTMLDivExport.StartAnchors;
var
AnchorRoot: TfrxXMLItem;
i: Integer;
stCurrentPage: String;
SL: TStringList;
begin
SL := TStringList.Create;
stCurrentPage := IntToStr(FCurrentPage - 1);
AnchorRoot := (Report.PreviewPages as TfrxPreviewPages).FindAnchorRoot;
if Assigned(AnchorRoot) then
for i := 0 to AnchorRoot.Count - 1 do
if (AnsiCompareText(AnchorRoot[i].Prop['page'], stCurrentPage) = 0) and
(SL.IndexOf(AnchorRoot[i].Prop['text']) = -1) then
begin
SL.Add(AnchorRoot[i].Prop['text']);
Puts('<div id="%s" style="left:0;top:%spx;width:0;height:0;"></div>',
[TfrxHTMLItem.EscapeAttribute(AnchorRoot[i].Prop['text']),
AnchorRoot[i].Prop['top']]);
end;
SL.Free;
end;
procedure TfrxHTMLDivExport.StartHTML;
var
tit, stoolbar: String;
ol: String;
begin
if not FUseTemplates then
begin
if HTML5 then
Puts('<!doctype html>')
else
Puts('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ' +
'"http://www.w3.org/TR/html4/strict.dtd">');
Puts('<html>');
Puts('<head>');
Puts('<title>%s</title>', [Title]);
Puts('<meta http-equiv="Content-Type" content="text/html; charset=utf-8">');
if not EmbeddedCSS then
Puts('<link rel="stylesheet" href="%s">', [GetCSSFileName]);
Puts('</head>');
Puts('<body>');
if Outline then
begin
ol := '<ul class="outlineCSS">';
if FOutlineTree.CountTree > 0 then
begin
{ Write outline nodes }
WriteHTMLOutline(TfrxHTMLOutlineNode(FOutlineTree.First),ol);
ol := ol + '</ul>';
end;
Puts('<div class = "blockOutline">');
Puts(ol);
Puts('</div><div style="clear: left;"></div>');
Puts('<div class = "blockReport">');
if FOutlineTree.First <> nil then
FOutlineTreeNode := TfrxHTMLOutlineNode(FOutlineTree.First);
end;
end
else
begin
if Assigned(FGetMainTemplate) then
begin
stoolbar := '';
tit := ExtractFileName(Report.FileName);
delete(tit, length(tit)-3, 4);
FGetMainTemplate(String(UTF8Encode(tit)), // title
ReverseSlash(Self.FileName), // frame folder
MultiPage, // multipage
Navigation,
stoolbar);
{$IFDEF Delphi12}
//TempString := UTF8Encode(st);
//Exp.Write(TempString[1], Length(TempString));
Puts(stoolbar);
{$ELSE}
Puts(stoolbar);
{$ENDIF}
end;
end;
end;
procedure TfrxHTMLDivExport.StartNavigator;
begin
if Formatted then
Puts('<!-- navigation -->');
Puts('<div class="nav" style="position:relative">');
if FCurrentPage > 1 then
begin
Puts('<a href="%u%s" title="Goto page %u">|&#9668; First</a>',
[1, DefaultExt, 1]);
Puts('<a href="%u%s" title="Goto page %d">&#9668; Back</a>',
[FCurrentPage - 1, DefaultExt, FCurrentPage - 1]);
end
else
begin
Puts('<a href="#">|| First</a>');
Puts('<a href="#">| Back</a>');
end;
if FCurrentPage < Report.PreviewPages.Count then
begin
Puts('<a href="%d%s" title="Goto page %d">Next &#9658;</a>',
[FCurrentPage + 1, DefaultExt, FCurrentPage + 1]);
Puts('<a href="%u%s" title="Goto page %u">Last &#9658;|</a>',
[Report.PreviewPages.Count, DefaultExt, Report.PreviewPages.Count]);
end
else
begin
Puts('<a href="#">Next |</a>');
Puts('<a href="#">Last ||</a>');
end;
Puts('</div>');
end;
function TfrxHTMLDivExport.Start: Boolean;
var
OutlineObjId: Integer;
begin
Result := inherited Start;
FOutlineTree := TfrxHTMLOutlineNode.Create;
if Outline then
begin
OutlineObjId := 0;
FPreviewOutline := Report.PreviewPages.Outline;
FPreviewOutline.LevelRoot;
PrepareHTMLOutline(FPreviewOutline, FOutlineTree, OutlineObjId);
end;
if Server then
begin
if MultiPage then
StartHTML;
if Formatted then
Puts('<!-- page #0 -->');
end;
end;
procedure TfrxHTMLDivExport.StartPage(Page: TfrxReportPage; Index: Integer);
var
stoolbar: String;
begin
inherited;
if Server then
begin
FreeStream();
FFilterStream := IOTransport.GetStream(ExtractFilePath(FileName) + 'index.' + IntToStr(Index+1) + '.html');
FCurrentFile := TCachedStream.Create(FFilterStream, False);
FQueue := TfrxHTMLItemQueue.Create(FCurrentFile, Formatted);
if Assigned(FGetToolbarTemplate) then
begin
stoolbar := '';
FGetToolbarTemplate(FCurrentPage, Report.PreviewPages.Count, MultiPage, Navigation, stoolbar);
Puts(stoolbar);
end;
end
else
begin
FQueue := TfrxHTMLItemQueue.Create(FCurrentFile, Formatted);
if MultiPage or (FCurrentPage = 1) then
StartHTML;
if MultiPage and Navigation then
StartNavigator;
if Formatted then
Puts('<!-- page #%d -->', [Index]);
end;
Puts('<div id="page%d" class="page" style="position:relative;width:%s;height:%s">',
[Index + 1, FRLength(Page.Width), FRLength(Page.Height)]);
StartAnchors;
end;
{ TfrxHTMLItem }
function TfrxHTMLItem.Add(const Tag: string): TfrxHTMLItem;
begin
Result := TfrxHTMLItem.Create(Tag);
FChildren.Add(Result);
end;
function TfrxHTMLItem.Add(Item: TfrxHTMLItem): TfrxHTMLItem;
begin
FChildren.Add(Item);
Result := Item;
end;
procedure TfrxHTMLItem.AddCSSClass(const s: string);
begin
if FClass = '' then
FClass := s
else
FClass := FClass + ' ' + s
end;
function TfrxHTMLItem.AddRotated(const Tag: string; ARotation: Integer)
: TfrxHTMLItem;
begin
Result := TfrxHTMLItem.Create(Tag);
Result.FRotation := ARotation;
FChildren.Add(Result);
end;
function TfrxHTMLItem.AddTransformed(const Tag: string;
ATransformMatrix: array of Extended): TfrxHTMLItem;
var
i: Integer;
begin
Result := TfrxHTMLItem.Create(Tag);
Result.FIsTransformMatrix := True;
SetLength(Result.FTM, Length(ATransformMatrix));
for i := 0 to High(Result.FTM) do
Result.FTM[i] := ATransformMatrix[i];
FChildren.Add(Result);
end;
constructor TfrxHTMLItem.Create(const Name: string);
begin
FName := Name;
FKeys := TStringList.Create;
FValues := TStringList.Create;
FChildren := TObjList.Create;
FAllowNegativeLeft := False;
FIsTransformMatrix := False;
end;
destructor TfrxHTMLItem.Destroy;
begin
FKeys.Free;
FValues.Free;
FChildren.Free;
FStyle.Free;
inherited;
end;
procedure TfrxHTMLItem.DoPositive;
begin
if Width < 0 then
Left := Left + Width;
Width := Abs(Width);
if Height < 0 then
Top := Top + Height;
Height := Abs(Height);
end;
class function TfrxHTMLItem.EscapeAttribute(const s: string): string;
begin
Result := StrFindAndReplace(s, ':', ['&:&amp;', '<:&lt;', '>:&gt;',
'":&quot;', ''':&#39;', #13, ' : &nbsp;']);
end;
procedure TfrxHTMLItem.Gaude(Obj: TfrxView);
begin
GaudeFrame(Obj);
if ftLeft in Obj.Frame.Typ then
Left := Left + Obj.Frame.LeftLine.Width;
if ftTop in Obj.Frame.Typ then
Top := Top + Obj.Frame.TopLine.Width;
end;
procedure TfrxHTMLItem.GaudeFrame(Obj: TfrxView);
var
BGauge: TfrxBoundsGauge;
begin
BGauge := TfrxBoundsGauge.Create;
BGauge.Obj := Obj;
Left := BGauge.Bounds.Left;
Top := BGauge.Bounds.Top;
Width := BGauge.InnerWidth;
Height := BGauge.InnerHeight;
BGauge.Free;
end;
function TfrxHTMLItem.GetProp(Index: string): string;
var
i: Integer;
begin
Result := '';
i := FKeys.IndexOf(Index);
if i <> -1 then
Result := FValues[i];
end;
function TfrxHTMLItem.GetStyle: TfrxCSSStyle;
begin
if FStyle = nil then
FStyle := TfrxCSSStyle.Create;
Result := FStyle;
end;
procedure TfrxHTMLItem.Save(Stream: TStream; Formatted: Boolean);
procedure PutsRaw(const s: AnsiString);
begin
Stream.Write(s[1], Length(s))
end;
procedure Puts(const s: string; IsNeedEndLine: Boolean = False);
begin
if s <> '' then
begin
{$IFDEF Delphi12}
PutsRaw(AnsiString(UTF8Encode(s)));
{$ELSE}
PutsRaw(AnsiString(s));
{$ENDIF}
if IsNeedEndLine then
PutsRaw(AnsiString(#13#10))
end;
end;
function DontNeedEndLine(const T: string): Boolean;
begin
Result := (T = 'a') or (T = 'tr') or (T = 'td')
end;
function IsShortTag(const T: string): Boolean;
begin
Result := (T = 'tr') or (T = 'td') or (T = 'p') or (T = 'img')
end;
procedure WriteDim;
begin
if FLeftSet then
Style['left'] := FRLength(Left, AllowNegativeLeft);
if FTopSet then
Style['top'] := FRLength(Top);
if FWidthSet then
Style['width'] := FRLength(Round(Left + Width) - Round(Left));
if FHeightSet then
Style['height'] := FRLength(Round(Top + Height) - Round(Top));
if FRotation <> 0 then
Style['transform'] := Format('rotate(%ddeg)', [FRotation]);
if FIsTransformMatrix then
Style['transform'] := Format('matrix(%s, %s, %s, %s, %s, %s)',
[frFloat2Str(FTM[0], 3), frFloat2Str(FTM[1], 3), frFloat2Str(FTM[2], 3),
frFloat2Str(FTM[3], 3), frFloat2Str(FTM[4], 0), frFloat2Str(FTM[5], 0)]);
if FStyle <> nil then
Puts(' style="' + FStyle.Text + '"');
end;
var
ShortTag: Boolean;
i: Integer;
begin
ShortTag := IsShortTag(FName);
Puts('<' + FName);
for i := 0 to FKeys.Count - 1 do
Puts(' ' + FKeys[i] + '="' + string(EscapeAttribute(FValues[i])) + '"');
if FClass <> '' then
Puts(' class="' + FClass + '"');
WriteDim;
Puts('>', Formatted and not DontNeedEndLine(FName));
for i := 0 to FChildren.Count - 1 do
TfrxHTMLItem(FChildren[i]).Save(Stream, Formatted);
if FValue <> '' then
Puts(FValue, Formatted);
if FRawValue <> '' then
PutsRaw(FRawValue);
if not ShortTag then
Puts('</' + FName + '>', Formatted);
end;
procedure TfrxHTMLItem.SetHeight(a: Extended);
begin
FHeightSet := True;
FHeight := a;
end;
procedure TfrxHTMLItem.SetLeft(a: Extended);
begin
FLeftSet := True;
FLeft := a;
end;
procedure TfrxHTMLItem.SetProp(Index: string; const Value: string);
begin
FKeys.Add(Index);
FValues.Add(Value);
end;
procedure TfrxHTMLItem.SetTop(a: Extended);
begin
FTopSet := True;
FTop := a;
end;
procedure TfrxHTMLItem.SetWidth(a: Extended);
begin
FWidthSet := True;
FWidth := a;
end;
function TfrxHTMLItem.This: TfrxHTMLItem;
begin
Result := Self
end;
procedure TfrxHTMLItem.WidenBy(Size: Extended);
begin
Left := Left - Size / 2;
Top := Top - Size / 2;
Width := Width + Size;
Height := Height + Size;
end;
{ TfrxHTMLItemQueue }
constructor TfrxHTMLItemQueue.Create(Stream: TStream; Formatted: Boolean);
begin
FStream := Stream;
FFormatted := Formatted;
SetQueueLength(10);
end;
destructor TfrxHTMLItemQueue.Destroy;
begin
Flush;
inherited
end;
procedure TfrxHTMLItemQueue.Flush;
var
i: Integer;
begin
for i := 0 to FUsed - 1 do
with FQueue[i] do
begin
Save(FStream, FFormatted);
Free;
end;
FUsed := 0
end;
procedure TfrxHTMLItemQueue.Push(Item: TfrxHTMLItem);
begin
if FUsed = Length(FQueue) then
Flush;
FQueue[FUsed] := Item;
Inc(FUsed);
end;
procedure TfrxHTMLItemQueue.SetQueueLength(n: Integer);
begin
if FUsed > 0 then
raise Exception.Create('Cannot resize a nonempty queue');
SetLength(FQueue, n)
end;
{ TfrxBoundsGauge }
procedure TfrxBoundsGauge.AddBounds(r: TRect);
begin
if not FBoundsSet then
FBounds := r
else
with FBounds do
begin
Left := Min(Left, r.Left);
Right := Max(Right, r.Right);
Top := Min(Top, r.Top);
Bottom := Max(Bottom, r.Bottom);
end;
FBoundsSet := True;
end;
procedure TfrxBoundsGauge.BeginDraw;
begin
with Obj do
begin
FX := Round(AbsLeft);
FY := Round(AbsTop);
FX1 := Round(AbsLeft + Width) - Round(ShadowSize);
FY1 := Round(AbsTop + Height) - Round(ShadowSize);
FDX := FX1 - FX;
FDY := FY1 - FY;
FFrameWidth := Round(Frame.Width);
end;
end;
procedure TfrxBoundsGauge.DrawBackground;
begin
with FObj do
begin
AddBounds(Rect(FX, FY, FX1 - 1, FY1 - 1));
if BrushStyle <> bsSolid then
AddBounds(Rect(FX, FY, FX1, FY1));
end;
end;
procedure TfrxBoundsGauge.DrawFrame;
var
d, PenWidth: Integer;
procedure Line(x, y, x1, y1: Integer; Line: TfrxFrameLine; Typ: TfrxFrameType;
gap1, gap2: Boolean);
var
g1, g2, fw: Integer;
begin
fw := Round(Line.Width);
if Line.Style in [fsSolid, fsDouble] then
begin
if gap1 then
g1 := 0
else
g1 := 1;
if gap2 then
g2 := 0
else
g2 := 1;
if Typ in [ftTop, ftBottom] then
begin
x := x + (fw * g1 div 2);
x1 := x1 - (fw * g2 div 2);
end
else
begin
y := y + (fw * g1 div 2);
y1 := y1 - (fw * g2 div 2);
end;
end;
DrawLine(x, y, x1, y1, fw, Typ);
end;
procedure SetPen(Line: TfrxFrameLine);
begin
if Line.Style in [fsSolid, fsDouble] then
PenWidth := Round(Line.Width)
else
PenWidth := 1;
end;
begin
with Obj do
if (Frame.Typ <> []) and (Frame.Color <> clNone) and (Frame.Width <> 0) then
begin
if ftLeft in Frame.Typ then
begin
SetPen(Frame.LeftLine);
if (PenWidth = 2) and (Frame.Style <> fsSolid) then
d := 1
else
d := 0;
Line(FX, FY - d, FX, FY1, Frame.LeftLine, ftLeft, ftTop in Frame.Typ,
ftBottom in Frame.Typ);
end;
if ftRight in Frame.Typ then
begin
SetPen(Frame.RightLine);
Line(FX1, FY, FX1, FY1, Frame.RightLine, ftRight, ftTop in Frame.Typ,
ftBottom in Frame.Typ);
end;
if ftTop in Frame.Typ then
begin
SetPen(Frame.TopLine);
Line(FX, FY, FX1, FY, Frame.TopLine, ftTop, ftLeft in Frame.Typ,
ftRight in Frame.Typ);
end;
if ftBottom in Frame.Typ then
begin
SetPen(Frame.BottomLine);
if (PenWidth = 1) and (Frame.Style <> fsSolid) then
d := 1
else
d := 0;
Line(FX, FY1, FX1 + d, FY1, Frame.BottomLine, ftBottom,
ftLeft in Frame.Typ, ftRight in Frame.Typ);
end;
end;
end;
procedure TfrxBoundsGauge.DrawLine(x1, y1, x2, y2, w: Integer;
Side: TfrxFrameType);
var
LineBounds: TRect;
begin
with LineBounds do
begin
Left := x1 - w div 2;
Top := y1 - w div 2;
Right := x2 + w - w div 2 - 1;
Bottom := y2 + w - w div 2 - 1;
end;
AddBounds(LineBounds);
with FBorders do
case Side of
ftLeft:
Left := w;
ftRight:
Right := w;
ftTop:
Top := w;
ftBottom:
Bottom := w;
end;
end;
function TfrxBoundsGauge.GetInnerHeight: Integer;
begin
if FBoundsSet then
Result := FBounds.Bottom - FBounds.Top + 1
else
Result := 0;
Dec(Result, FBorders.Bottom + FBorders.Top);
end;
function TfrxBoundsGauge.GetInnerWidth: Integer;
begin
if FBoundsSet then
Result := FBounds.Right - FBounds.Left + 1
else
Result := 0;
Dec(Result, FBorders.Right + FBorders.Left);
end;
procedure TfrxBoundsGauge.SetObj(Obj: TfrxView);
begin
FObj := Obj;
FBoundsSet := False;
FBounds := Rect(0, 0, 0, 0);
FBorders := Rect(0, 0, 0, 0);
{ Simulates TfrxView.Draw, but computes bounds and borders
instead of actual drawing. }
BeginDraw;
DrawBackground;
DrawFrame;
end;
{ TfrxHTML5DivExport }
constructor TfrxHTML5DivExport.Create(AOwner: TComponent);
begin
inherited;
HTML5 := True; // use HTML5 features
ExportAnchors := True; // export page anchors
Navigation := True;
{ Make a rounded border around each page }
PageStyle['border'] := '1mm solid orange'; // CSS1 style
PageStyle['margin'] := '5mm'; // cSS1 style
PageStyle.PrefixStyle['box-shadow'] := '3mm 3mm 3mm gray'; // CSS3 style
PageStyle.PrefixStyle['border-radius'] := '2mm'; // CSS3 style
end;
class function TfrxHTML5DivExport.GetDescription: String;
begin
Result := GetStr('9303')
end;
{ TfrxHTML4DivExport }
constructor TfrxHTML4DivExport.Create(AOwner: TComponent);
begin
inherited;
ExportAnchors := True; // export page anchors
EmbeddedPictures := False; // embed pictures into HTML
EmbeddedCSS := False; // embed CSS into HTML
end;
class function TfrxHTML4DivExport.GetDescription: String;
begin
Result := GetStr('9304')
end;
end.