paweld/lazarus
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/lazarus/lazarus.git synced 2025-04-23 01:39:31 +02:00
Code Issues Packages Projects Releases Wiki Activity

fpvectorial: Starts implementing text document rendering

Browse Source 
git-svn-id: trunk@45998 -
This commit is contained in:
sekelsenmat 2014-07-31 16:07:53 +00:00
parent a32f6b84f6
commit 84ca83bde1
2 changed files with 116 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

156
components/fpvectorial/fpvectorial.pas
View File

@ -366,10 +366,13 @@ type
TvFindEntityResult = (vfrNotFound, vfrFound, vfrSubpartFound);
TvRenderInfo = record
// Input to the rendering
BackgroundColor: TFPColor;
AdjustPenColorToBackground: Boolean;
Selected: Boolean;
ForceRenderBlock: Boolean; // Blocks are usually invisible, but when rendering an insert, their drawing can be forced
// Fields which are output from the rendering process
EntityCanvasMinXY, EntityCanvasMaxXY: TPoint; // The size utilized in the canvas to draw this entity
end;
{ Now all elements }
@ -399,7 +402,7 @@ type
procedure PositionSubparts(ADest: TFPCustomCanvas; ABaseX, ABaseY: Double); virtual;
procedure Scale(ADeltaScaleX, ADeltaScaleY: Double); virtual;
procedure Rotate(AAngle: Double; ABase: T3DPoint); virtual; // Angle in radians
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); virtual;
function AdjustColorToBackground(AColor: TFPColor; ARenderInfo: TvRenderInfo): TFPColor;
function GetNormalizedPos(APage: TvVectorialPage; ANewMin, ANewMax: Double): T3DPoint;
@ -431,7 +434,8 @@ type
constructor Create(APage: TvPage); override;
procedure ApplyPenToCanvas(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo);
procedure AssignPen(APen: TvPen);
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure CalcEntityCanvasMinMaxXY(var ARenderInfo: TvRenderInfo; APointX, APointY: Integer);
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
end;
@ -445,7 +449,7 @@ type
constructor Create(APage: TvPage); override;
procedure ApplyBrushToCanvas(ADest: TFPCustomCanvas);
procedure AssignBrush(ABrush: TvBrush);
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -460,7 +464,7 @@ type
procedure ApplyFontToCanvas(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; AMulX: Double = 1.0);
procedure AssignFont(AFont: TvFont);
procedure Scale(ADeltaScaleX, ADeltaScaleY: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -507,7 +511,7 @@ type
function MoveToSubpart(ASubpart: Cardinal): TPathSegment;
function GetSubpartCount: Integer; override;
procedure Rotate(AAngle: Double; ABase: T3DPoint); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
procedure RenderInternalPolygon(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0);
@ -534,7 +538,7 @@ type
destructor Destroy; override;
function TryToSelect(APos: TPoint; var ASubpart: Cardinal): TvFindEntityResult; override;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -562,7 +566,7 @@ type
TvCircle = class(TvEntityWithPenAndBrush)
public
Radius: Double;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
end;
@ -576,7 +580,7 @@ type
Radius: Double;
{@@ The Angle is measured in degrees in relation to the positive X axis }
StartAngle, EndAngle: Double;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
end;
@ -593,7 +597,7 @@ type
{@@ The Angle is measured in degrees in relation to the positive X axis }
Angle: Double;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
end;
@ -608,7 +612,7 @@ type
// Corner rounding, zero indicates no rounding
RX, RY: Double;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -622,7 +626,7 @@ type
// All points of the polygon
Points: array of T3DPoint;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
end;
@ -640,7 +644,7 @@ type
public
// Mandatory fields
BaseLeft, BaseRight, DimensionLeft, DimensionRight: T3DPoint;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -656,7 +660,7 @@ type
// Mandatory fields
IsDiameter: Boolean; // If false, it is a radius, if true, it is a diameter
Center, DimensionLeft, DimensionRight: T3DPoint; // Diameter uses both, Radius uses only DImensionLeft
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -672,7 +676,7 @@ type
// Mandatory fields
ArcValue, ArcRadius: Double; // ArcValue is in degrees
TextPos, BaseLeft, BaseRight, DimensionLeft, DimensionRight: T3DPoint;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
procedure CalculateExtraArcInfo;
function GenerateDebugTree(ADestRoutine: TvDebugAddItemProc; APageItem: Pointer): Pointer; override;
@ -701,7 +705,7 @@ type
destructor Destroy; override;
procedure CreateRGB888Image(AWidth, AHeight: Cardinal);
procedure InitializeWithConvertionOf3DPointsToHeightMap(APage: TvVectorialPage; AWidth, AHeight: Integer);
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -714,7 +718,7 @@ type
Pen: TvPen;
{constructor Create; override;
procedure ApplyPenToCanvas(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo);
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;}
end;
@ -739,7 +743,7 @@ type
ArrowLength: Double;
ArrowBaseLength: Double;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
end;
@ -794,7 +798,7 @@ type
function CalculateWidth(ADest: TFPCustomCanvas): Double; // in milimeters
function AsText: string;
procedure PositionSubparts(ADest: TFPCustomCanvas; ABaseX, ABaseY: Double);
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); virtual;
procedure GenerateDebugTree(ADestRoutine: TvDebugAddItemProc; APageItem: Pointer); virtual;
class function GetPrecedenceFromKind(AKind: TvFormulaElementKind): Byte; // 0 is the smallest precedence
@ -830,7 +834,7 @@ type
function CalculateWidth(ADest: TFPCustomCanvas): Double; virtual; // in milimeters
procedure PositionSubparts(ADest: TFPCustomCanvas; ABaseX, ABaseY: Double); override;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -843,7 +847,7 @@ type
function CalculateWidth(ADest: TFPCustomCanvas): Double; override; // in milimeters
procedure PositionSubparts(ADest: TFPCustomCanvas; ABaseX, ABaseY: Double); override;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -877,7 +881,7 @@ type
function RemoveEntity(AEntity: TvEntity; AFreeAfterRemove: Boolean = True): Boolean;
procedure Rotate(AAngle: Double; ABase: T3DPoint); override;
procedure Clear; override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
function FindEntityWithReference(AEntity: TvEntity): Integer;
@ -893,7 +897,7 @@ type
TvBlock = class(TvEntityWithSubEntities)
public
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0); override;
end;
@ -908,7 +912,7 @@ type
public
InsertEntity: TvEntity; // The entity to be inserted
RotationAngle: Double; // in angles, normal is zero
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -949,7 +953,7 @@ type
function AddField(AKind : TvFieldKind): TvField;
procedure CalculateBoundingBox(ADest: TFPCustomCanvas; var ALeft, ATop, ARight, ABottom: Double); override;
function TryToSelect(APos: TPoint; var ASubpart: Cardinal): TvFindEntityResult; override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -978,7 +982,7 @@ type
function Level : Integer;
{function TryToSelect(APos: TPoint; var ASubpart: Cardinal): TvFindEntityResult; override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -1011,7 +1015,7 @@ type
//function AddImage: TvImage;
//
function TryToSelect(APos: TPoint; var ASubpart: Cardinal): TvFindEntityResult; override;
procedure Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer = 0;
procedure Render(ADest: TFPCustomCanvas; var 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;
@ -1224,6 +1228,7 @@ type
MinX, MinY, MinZ, MaxX, MaxY, MaxZ: Double;
// Other basic document information
BackgroundColor: TFPColor;
RenderInfo: TvRenderInfo; // Prepared by the reader with info on how to draw the page
{ Base methods }
constructor Create(AOwner: TvVectorialDocument); virtual;
destructor Destroy; override;
@ -1266,8 +1271,6 @@ type
procedure AppendSegmentToTmpPath(ASegment: TPathSegment);
procedure CallbackDeleteEntity(data,arg:pointer);
public
RenderInfo: TvRenderInfo; // Prepared by the reader with info on how to draw the page
//
Owner: TvVectorialDocument;
{ Base methods }
constructor Create(AOwner: TvVectorialDocument); override;
@ -2178,7 +2181,7 @@ begin
end;
procedure TvVerticalFormulaStack.Render(ADest: TFPCustomCanvas;
ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
var ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
AMulY: Double);
begin
inherited Render(ADest, ARenderInfo, ADestX, ADestY, AMulX, AMulY);
@ -2351,7 +2354,7 @@ begin
end;
procedure TvEntity.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvEntity.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
begin
@ -2437,7 +2440,20 @@ begin
Pen.Width := APen.Width;
end;
procedure TvEntityWithPen.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvEntityWithPen.CalcEntityCanvasMinMaxXY(
var ARenderInfo: TvRenderInfo; APointX, APointY: Integer);
begin
if ARenderInfo.EntityCanvasMinXY.X < 0 then ARenderInfo.EntityCanvasMinXY.X := APointX
else ARenderInfo.EntityCanvasMinXY.X := Min(ARenderInfo.EntityCanvasMinXY.X, APointX);
if ARenderInfo.EntityCanvasMinXY.Y < 0 then ARenderInfo.EntityCanvasMinXY.Y := APointY
else ARenderInfo.EntityCanvasMinXY.Y := Min(ARenderInfo.EntityCanvasMinXY.Y, APointY);
if ARenderInfo.EntityCanvasMaxXY.X < 0 then ARenderInfo.EntityCanvasMaxXY.X := APointX
else ARenderInfo.EntityCanvasMaxXY.X := Max(ARenderInfo.EntityCanvasMaxXY.X, APointX);
if ARenderInfo.EntityCanvasMaxXY.Y < 0 then ARenderInfo.EntityCanvasMaxXY.Y := APointY
else ARenderInfo.EntityCanvasMaxXY.Y := Max(ARenderInfo.EntityCanvasMaxXY.Y, APointY);
end;
procedure TvEntityWithPen.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
begin
inherited Render(ADest, ARenderInfo, ADestX, ADestY, AMulX, AMulY);
@ -2466,7 +2482,7 @@ begin
end;
procedure TvEntityWithPenAndBrush.Render(ADest: TFPCustomCanvas;
ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double; AMulY: Double);
var ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double; AMulY: Double);
begin
inherited Render(ADest, ARenderInfo, ADestX, ADestY, AMulX, AMulY);
ApplyBrushToCanvas(ADest);
@ -2542,7 +2558,7 @@ begin
end;
procedure TvEntityWithPenBrushAndFont.Render(ADest: TFPCustomCanvas;
ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
var ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
AMulY: Double);
begin
inherited Render(ADest, ARenderInfo, ADestX, ADestY, AMulX, AMulY);
@ -2862,7 +2878,7 @@ begin
end;
end;
procedure TPath.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TPath.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3279,7 +3295,7 @@ begin
ABottom := Y;
end;
procedure TvText.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvText.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3301,10 +3317,14 @@ var
lText: string;
{$ifdef USE_LCL_CANVAS}
ACanvas: TCanvas absolute ADest;
lTextSize: TSize;
{$endif}
begin
inherited Render(ADest, ARenderInfo, ADestX, ADestY, AMulX, AMulY);
ARenderInfo.EntityCanvasMinXY := Point(-1, -1);
ARenderInfo.EntityCanvasMaxXY := Point(-1, -1);
// Don't draw anything if we have alpha=zero
if Font.Color.Alpha = 0 then Exit;
@ -3340,7 +3360,13 @@ begin
if not Render_Use_NextText_X then
Render_NextText_X := CoordToCanvasX(X)+XAnchorAdjustment;
ADest.TextOut(Render_NextText_X, Round(LowerDim.Y), lText);
Render_NextText_X := Render_NextText_X + ADest.TextWidth(lText);
CalcEntityCanvasMinMaxXY(ARenderInfo, Render_NextText_X, Round(LowerDim.Y));
lTextSize := ACanvas.TextExtent(lText);
CalcEntityCanvasMinMaxXY(ARenderInfo, Render_NextText_X+lTextSize.cx,
Round(LowerDim.Y)+lTextSize.cy);
Render_NextText_X := Render_NextText_X + lTextSize.cx;
end;
end;
@ -3370,7 +3396,7 @@ end;
{ TvCircle }
procedure TvCircle.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvCircle.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3395,7 +3421,7 @@ end;
{ TvCircularArc }
procedure TvCircularArc.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvCircularArc.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3521,7 +3547,7 @@ begin
end;
end;
procedure TvEllipse.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvEllipse.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3590,7 +3616,7 @@ begin
ABottom := Y - CY;
end;
procedure TvRectangle.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvRectangle.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3658,7 +3684,7 @@ begin
end;
end;
procedure TvPolygon.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo;
procedure TvPolygon.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo;
ADestX: Integer; ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3689,7 +3715,7 @@ end;
{ TvAlignedDimension }
procedure TvAlignedDimension.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvAlignedDimension.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3820,7 +3846,7 @@ end;
{ TvRadialDimension }
procedure TvRadialDimension.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvRadialDimension.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -3932,7 +3958,7 @@ end;
{ TvArcDimension }
procedure TvArcDimension.Render(ADest: TFPCustomCanvas;
ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
var ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -4122,7 +4148,7 @@ begin
end;
procedure TvRasterImage.Render(ADest: TFPCustomCanvas;
ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
var ARenderInfo: TvRenderInfo; ADestX: Integer; ADestY: Integer; AMulX: Double;
AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -4194,7 +4220,7 @@ begin
end;
procedure TvArrow.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvArrow.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -4426,7 +4452,7 @@ begin
end;
end;
procedure TvFormulaElement.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvFormulaElement.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
function CoordToCanvasX(ACoord: Double): Integer;
@ -4963,7 +4989,7 @@ begin
ABottom := Y + ABottom;
end;
procedure TvFormula.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvFormula.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
var
lElement: TvFormulaElement;
@ -5101,7 +5127,7 @@ begin
FElements.Clear;
end;
procedure TvEntityWithSubEntities.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo;
procedure TvEntityWithSubEntities.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo;
ADestX: Integer; ADestY: Integer; AMulX: Double; AMulY: Double);
var
lEntity: TvEntity;
@ -5207,7 +5233,7 @@ end;
{ TvInsert }
procedure TvInsert.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvInsert.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
var
lEntity: TvEntity;
@ -5248,7 +5274,7 @@ end;
{ TvBlock }
procedure TvBlock.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo; ADestX: Integer;
procedure TvBlock.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
var
lEntity: TvEntity;
@ -5343,7 +5369,7 @@ begin
Result:=inherited TryToSelect(APos, ASubpart);
end;
procedure TvParagraph.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo;
procedure TvParagraph.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo;
ADestX: Integer; ADestY: Integer; AMulX: Double; AMulY: Double);
var
lCurWidth: Double = 0.0;
@ -5490,7 +5516,7 @@ begin
Result:=inherited TryToSelect(APos, ASubpart);
end;
procedure TvRichText.Render(ADest: TFPCustomCanvas; ARenderInfo: TvRenderInfo;
procedure TvRichText.Render(ADest: TFPCustomCanvas; var ARenderInfo: TvRenderInfo;
ADestX: Integer; ADestY: Integer; AMulX: Double; AMulY: Double);
var
lCurHeight: Double = 0.0;
@ -6402,8 +6428,32 @@ end;
procedure TvTextPageSequence.Render(ADest: TFPCustomCanvas; ADestX: Integer;
ADestY: Integer; AMulX: Double; AMulY: Double);
var
i: Integer;
CurEntity: TvEntity;
CurY: Integer = 0;
begin
{$ifdef FPVECTORIAL_TOCANVAS_DEBUG}
WriteLn(':>TvTextPageSequence.Render');
{$endif}
CurY := ADestY;
for i := 0 to GetEntitiesCount - 1 do
begin
{$ifdef FPVECTORIAL_TOCANVAS_DEBUG}
Write(Format('[Path] ID=%d', [i]));
{$endif}
CurEntity := GetEntity(i);
RenderInfo.BackgroundColor := BackgroundColor;
CurEntity.Render(ADest, RenderInfo, ADestX, CurY, AMulX, AMulY);
CurY := RenderInfo.EntityCanvasMaxXY.Y;
end;
{$ifdef FPVECTORIAL_TOCANVAS_DEBUG}
WriteLn(':<TvTextPageSequence.Render');
{$endif}
end;
procedure TvTextPageSequence.GenerateDebugTree(

21
components/fpvectorial/htmlvectorialreader.pas
View File

@ -147,16 +147,12 @@ end;
procedure TvHTMLVectorialReader.ReadFromXML(Doc: TXMLDocument;
AData: TvVectorialDocument);
var
lCurNode: TDOMNode;
lCurNode, lCurSubnode: TDOMNode;
lPage: TvTextPageSequence;
lNodeName, lNodeValue: DOMString;
ANode: TDOMElement;
i: Integer;
lCurEntity: TvEntity;
lViewBox: TDoubleArray;
lStr: string;
lDocNeedsSizeAutoDetection: Boolean = True;
lx, ly, lx2, ly2: Double;
begin
{ANode := Doc.DocumentElement;
for i := 0 to ANode.Attributes.Length - 1 do
@ -175,9 +171,18 @@ begin
while Assigned(lCurNode) do
begin
lNodeName := lCurNode.NodeName;
lCurEntity := ReadEntityFromNode(lCurNode, lPage, AData);
if lCurEntity <> nil then
lPage.AddEntity(lCurEntity);
if lNodeName = 'body' then
begin
lCurSubnode := lCurNode.FirstChild;
while Assigned(lCurSubnode) do
begin
lCurEntity := ReadEntityFromNode(lCurSubnode, lPage, AData);
if lCurEntity <> nil then
lPage.AddEntity(lCurEntity);
lCurSubnode := lCurSubnode.NextSibling;
end;
end;
lCurNode := lCurNode.NextSibling;
end;