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bgraopengltype.pas
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bgraopengltype.pas
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{ ***************************************************************************
* *
* This file is part of BGRABitmap library which is distributed under the *
* modified LGPL. *
* *
* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
* for details about the copyright. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* *
************************* BGRABitmap library ******************************
- Drawing routines with transparency and antialiasing with Lazarus.
Offers also various transforms.
- These routines allow to manipulate 32bit images in BGRA format or RGBA
format (depending on the platform).
- This code is under modified LGPL (see COPYING.modifiedLGPL.txt).
This means that you can link this library inside your programs for any purpose.
Only the included part of the code must remain LGPL.
- If you make some improvements to this library, please notify here:
http://www.lazarus.freepascal.org/index.php/topic,12037.0.html
********************* Contact : Circular at operamail.com *******************
******************************* CONTRIBUTOR(S) ******************************
- Edivando S. Santos Brasil | [email protected]
(Compatibility with FPC ($Mode objfpc/delphi) and delphi VCL 11/2018)
***************************** END CONTRIBUTOR(S) *****************************}
Unit BGRAOpenGLType;
{$i bgrabitmap.inc}{$H+}
interface
uses
Classes, SysUtils, Types, BGRATypes,{$IFNDEF FPC}GraphType, {$ENDIF} BGRABitmap, BGRABitmapTypes,
FPImage, BGRATransform,
BGRASSE, BGRAMatrix3D, BGRAGraphics;
type
TBGLTextureHandle = type Pointer;
TOpenGLResampleFilter = (orfBox,orfLinear);
TOpenGLBlendMode = (obmNormal, obmAdd, obmMultiply);
TWaitForGPUOption = (wfgQueueAllCommands, wfgFinishAllCommands);
TFaceCulling = BGRABitmapTypes.TFaceCulling;
TOpenGLPrimitive = (opPoints,opLineStrip,opLineLoop,opLines,
opTriangleStrip,opTriangleFan,opTriangles);
const
fcNone = BGRABitmapTypes.fcNone;
fcKeepCW = BGRABitmapTypes.fcKeepCW;
fcKeepCCW = BGRABitmapTypes.fcKeepCCW;
type
{ IBGLFont }
IBGLFont = interface
['{E415DCF3-C4D7-4625-AF0B-2E756432CDE7}']
function GetClipped: boolean;
function GetPadding: TRectF;
function GetUseGradientColors: boolean;
function GetHorizontalAlign: TAlignment;
function GetJustify: boolean;
function GetScale: single;
function GetStepX: single;
function GetVerticalAlign: TTextLayout;
procedure SetClipped(AValue: boolean);
procedure SetPadding(AValue: TRectF);
procedure SetUseGradientColors(AValue: boolean);
procedure SetHorizontalAlign(AValue: TAlignment);
procedure SetJustify(AValue: boolean);
procedure SetScale(AValue: single);
procedure SetStepX(AValue: single);
procedure SetVerticalAlign(AValue: TTextLayout);
procedure TextOut(X, Y: Single; const Text : UTF8String); overload;
procedure TextOut(X, Y: Single; const Text : UTF8String; AColor: TBGRAPixel); overload;
procedure TextOut(X, Y: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop); overload;
procedure TextOut(X, Y: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AColor: TBGRAPixel); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AVertAlign: TTextLayout); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AVertAlign: TTextLayout); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
function TextWidth(const Text: UTF8String): single;
function TextHeight(const Text: UTF8String): single; overload;
function TextHeight(const Text: UTF8String; AWidth: single): single; overload;
procedure SetGradientColors(ATopLeft, ATopRight, ABottomRight, ABottomLeft: TBGRAPixel);
property Scale: single read GetScale write SetScale;
property StepX: single read GetStepX write SetStepX;
property Justify: boolean read GetJustify write SetJustify;
property Clipped: boolean read GetClipped write SetClipped;
property HorizontalAlign: TAlignment read GetHorizontalAlign write SetHorizontalAlign;
property VerticalAlign: TTextLayout read GetVerticalAlign write SetVerticalAlign;
property GradientColors: boolean read GetUseGradientColors write SetUseGradientColors;
property Padding: TRectF read GetPadding write SetPadding;
end;
{ TBGLCustomFont }
TBGLCustomFont = class(TInterfacedObject, IBGLFont)
protected
FScale, FStepX: single;
FPadding: TRectF;
FFlags: BGRALongWord;
FHorizontalAlign: TAlignment;
FVerticalAlign: TTextLayout;
FJustify: boolean;
procedure Init; virtual;
function LoadFromFile(AFilename: UTF8String): boolean; virtual; abstract;
procedure FreeMemoryOnDestroy; virtual;
function GetScale: single; virtual;
function GetStepX: single; virtual;
procedure SetScale(AValue: single); virtual;
procedure SetStepX(AValue: single); virtual;
function GetPadding: TRectF;
procedure SetPadding(AValue: TRectF); virtual;
function GetHorizontalAlign: TAlignment; virtual;
function GetJustify: boolean; virtual;
function GetVerticalAlign: TTextLayout; virtual;
procedure SetHorizontalAlign(AValue: TAlignment); virtual;
procedure SetJustify(AValue: boolean); virtual;
procedure SetVerticalAlign(AValue: TTextLayout); virtual;
function GetClipped: boolean; virtual; abstract;
function GetUseGradientColors: boolean; virtual; abstract;
procedure SetClipped(AValue: boolean); virtual; abstract;
procedure SetUseGradientColors(AValue: boolean); virtual; abstract;
procedure DoTextOut(X, Y: Single; const Text : UTF8String; AColor: TBGRAPixel); virtual; abstract;
procedure DoTextRect(X, Y, Width, Height: Single; const Text : UTF8String; AColor: TBGRAPixel); virtual; abstract;
function GetDefaultColor: TBGRAPixel; virtual;
procedure SwapRectIfNeeded(var ARect: TRectF); overload;
procedure SwapRectIfNeeded(var ARect: TRect); overload;
public
constructor Create(AFilename: UTF8String);
procedure FreeMemory; virtual;
destructor Destroy; override;
procedure TextOut(X, Y: Single; const Text : UTF8String); overload;
procedure TextOut(X, Y: Single; const Text : UTF8String; AColor: TBGRAPixel); overload;
procedure TextOut(X, Y: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop); overload;
procedure TextOut(X, Y: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AColor: TBGRAPixel); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AVertAlign: TTextLayout); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop); overload;
procedure TextRect(X, Y, Width, Height: Single; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRect; const Text : UTF8String); overload;
procedure TextRect(ARect: TRect; const Text : UTF8String; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRect; const Text : UTF8String; AVertAlign: TTextLayout); overload;
procedure TextRect(ARect: TRect; const Text : UTF8String; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRect; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop); overload;
procedure TextRect(ARect: TRect; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AVertAlign: TTextLayout); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop); overload;
procedure TextRect(ARect: TRectF; const Text : UTF8String; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
function TextWidth(const Text: UTF8String): single; virtual; abstract;
function TextHeight(const Text: UTF8String): single; overload; virtual; abstract;
function TextHeight(const Text: UTF8String; AWidth: single): single; overload; virtual; abstract;
procedure SetGradientColors(ATopLeft, ATopRight, ABottomRight, ABottomLeft: TBGRAPixel); virtual; abstract;
property Scale: single read GetScale write SetScale;
property StepX: single read GetStepX write SetStepX;
property Justify: boolean read GetJustify write SetJustify;
property Clipped: boolean read GetClipped write SetClipped;
property HorizontalAlign: TAlignment read GetHorizontalAlign write SetHorizontalAlign;
property VerticalAlign: TTextLayout read GetVerticalAlign write SetVerticalAlign;
property GradientColors: boolean read GetUseGradientColors write SetUseGradientColors;
property Padding: TRectF read GetPadding write SetPadding;
end;
{ IBGLTexture }
IBGLTexture = interface
['{BF2FF051-EBC6-4102-8268-37A9D0297B92}']
function GetFlipX: IBGLTexture;
function GetFlipY: IBGLTexture;
function GetFrame(AIndex: integer): IBGLTexture;
function GetFrameCount: integer;
function GetFrameHeight: integer;
function GetFrameWidth: integer;
function GetHeight: integer;
function GetImageCenter: TPointF;
function GetMask: IBGLTexture;
function GetOpenGLBlendMode: TOpenGLBlendMode;
function GetOpenGLTexture: TBGLTextureHandle;
function GetResampleFilter: TOpenGLResampleFilter;
function GetUseGradientColors: boolean;
function GetWidth: integer;
procedure SetFrameSize(x,y: integer);
procedure SetImageCenter(const AValue: TPointF);
procedure SetOpenGLBlendMode(AValue: TOpenGLBlendMode);
procedure SetResampleFilter(AValue: TOpenGLResampleFilter);
procedure SetGradientColors(ATopLeft, ATopRight, ABottomRight, ABottomLeft: TBGRAPixel);
procedure SetUseGradientColors(AValue: boolean);
procedure Update(ARGBAData: PBGRADWord; AllocatedWidth, AllocatedHeight, ActualWidth,ActualHeight: integer; RGBAOrder: boolean = true);
procedure ToggleFlipX;
procedure ToggleFlipY;
procedure ToggleMask;
function FilterBlurMotion(ARadius: single; ABlurType: TRadialBlurType; ADirection: TPointF): IBGLTexture;
function FilterBlurRadial(ARadius: single; ABlurType: TRadialBlurType): IBGLTexture;
procedure SetFrame(AIndex: integer);
procedure FreeMemory;
procedure Bind(ATextureNumber: integer);
procedure Draw(x,y: single; AAlpha: byte = 255); overload;
procedure Draw(x,y: single; AColor: TBGRAPixel); overload;
procedure Draw(x,y: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure Draw(x,y: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure StretchDraw(x,y,w,h: single; AAlpha: byte = 255); overload;
procedure StretchDraw(x,y,w,h: single; AColor: TBGRAPixel); overload;
procedure StretchDraw(x,y,w,h: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure StretchDraw(x,y,w,h: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure DrawAngle(x,y,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AAlpha: byte = 255); overload;
procedure DrawAngle(x,y,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AColor: TBGRAPixel); overload;
procedure DrawAngle(x,y,angleDeg: single; AAlpha: byte = 255); overload;
procedure DrawAngle(x,y,angleDeg: single; AColor: TBGRAPixel); overload;
procedure DrawAngle(x,y,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure DrawAngle(x,y,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AAlpha: byte = 255); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AColor: TBGRAPixel); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AAlpha: byte = 255); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AColor: TBGRAPixel); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure DrawAffine(const Origin, HAxis, VAxis: TPointF; AAlpha: byte = 255); overload;
procedure DrawAffine(const Origin, HAxis, VAxis: TPointF; AColor: TBGRAPixel); overload;
procedure DrawAffine(x,y: single; const AMatrix: TAffineMatrix; AAlpha: byte = 255); overload;
procedure DrawAffine(x,y: single; const AMatrix: TAffineMatrix; AColor: TBGRAPixel); overload;
procedure DrawTriangle(const APoints: array of TPointF; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints: array of TPointF; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawTriangle(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints: array of TPointF; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints: array of TPointF; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
property Width: integer read GetWidth;
property Height: integer read GetHeight;
property FrameCount: integer read GetFrameCount;
property Frame[AIndex: integer]: IBGLTexture read GetFrame;
property FrameWidth: integer read GetFrameWidth;
property FrameHeight: integer read GetFrameHeight;
property FlipX: IBGLTexture read GetFlipX;
property FlipY: IBGLTexture read GetFlipY;
property Mask: IBGLTexture read GetMask;
property Handle: TBGLTextureHandle read GetOpenGLTexture;
property ImageCenter: TPointF read GetImageCenter write SetImageCenter;
property ResampleFilter: TOpenGLResampleFilter read GetResampleFilter write SetResampleFilter;
property BlendMode: TOpenGLBlendMode read GetOpenGLBlendMode write SetOpenGLBlendMode;
property GradientColors: boolean read GetUseGradientColors write SetUseGradientColors;
end;
{ TBGLCustomBitmap }
TBGLCustomBitmap = class(TBGRABitmap)
protected
FActualWidth,FActualHeight,
FAllocatedWidth,FAllocatedHeight: integer;
FTextureInvalidated: boolean;
FActualRect: TRect;
FTexture: IBGLTexture;
procedure Init; override;
function GetTexture: IBGLTexture; virtual;
function GetOpenGLMaxTexSize: integer; virtual; abstract;
procedure NotifySizeTooBigForOpenGL; virtual;
procedure NotifyOpenGLContextNotCreatedYet; virtual;
function GetTextureGL: IUnknown; override;
procedure SwapRedBlueWithoutInvalidate(ARect: TRect);
public
procedure InvalidateBitmap; override;
procedure Fill(c: TBGRAPixel); override;
procedure NoClip; override;
destructor Destroy; override;
procedure SwapRedBlue; overload; override;
function Resample(newWidth, newHeight: integer; mode: TResampleMode=rmFineResample): TBGRACustomBitmap; override;
procedure ApplyGlobalOpacity(alpha: byte); overload; override;
procedure ReplaceColor(before, after: TColor); overload; override;
procedure ReplaceColor(before, after: TBGRAPixel); overload; override;
procedure ReplaceTransparent(after: TBGRAPixel); overload; override;
procedure SetClipRect(const AValue: TRect); override;
procedure SetSize(AWidth, AHeight: integer); override;
property Width: integer read FActualWidth;
property Height: integer read FActualHeight;
property AllocatedWidth: integer read FAllocatedWidth;
property AllocatedHeight: integer read FAllocatedHeight;
function MakeTextureAndFree: IBGLTexture;
property Texture: IBGLTexture read GetTexture;
property MaxTextureSize: integer read GetOpenGLMaxTexSize;
end;
{ TBGLCustomTexture }
TBGLCustomTexture = class(TInterfacedObject, IBGLTexture)
private
function GetFlipX: IBGLTexture;
function GetFlipY: IBGLTexture;
function GetFrame(AIndex: integer): IBGLTexture;
function GetFrameCount: integer;
function GetFrameHeight: integer;
function GetFrameWidth: integer;
function GetHeight: integer;
function GetMask: IBGLTexture;
function GetOpenGLBlendMode: TOpenGLBlendMode;
function GetOpenGLTexture: TBGLTextureHandle;
function GetWidth: integer;
function GetImageCenter: TPointF;
procedure SetImageCenter(const AValue: TPointF);
function GetResampleFilter: TOpenGLResampleFilter;
procedure SetOpenGLBlendMode(AValue: TOpenGLBlendMode);
procedure SetResampleFilter(AValue: TOpenGLResampleFilter);
protected
FOpenGLTexture: TBGLTextureHandle;
FOpenGLTextureOwned: boolean;
FResampleFilter: TOpenGLResampleFilter;
FWidth,FHeight: integer;
FImageCenter: TPointF;
FFrame: integer;
FFrameWidth,FFrameHeight: integer;
FIsMask: boolean;
FGradTopLeft, FGradTopRight, FGradBottomRight, FGradBottomLeft: TBGRAPixel;
FUseGradientColor: boolean;
FBlendMode: TOpenGLBlendMode;
function GetOpenGLMaxTexSize: integer; virtual; abstract;
function CreateOpenGLTexture(ARGBAData: PBGRADWord; AAllocatedWidth, AAllocatedHeight, AActualWidth, AActualHeight: integer; RGBAOrder: boolean): TBGLTextureHandle; virtual; abstract;
procedure UpdateOpenGLTexture(ATexture: TBGLTextureHandle; ARGBAData: PBGRADWord; AAllocatedWidth, AAllocatedHeight, AActualWidth,AActualHeight: integer; RGBAOrder: boolean); virtual; abstract;
class function SupportsBGRAOrder: boolean; virtual;
procedure SetOpenGLTextureSize(ATexture: TBGLTextureHandle; AAllocatedWidth, AAllocatedHeight, AActualWidth, AActualHeight: integer); virtual; abstract;
procedure ComputeOpenGLFramesCoord(ATexture: TBGLTextureHandle; FramesX: integer=1; FramesY: integer=1); virtual; abstract;
function GetOpenGLFrameCount(ATexture: TBGLTextureHandle): integer; virtual; abstract;
function GetEmptyTexture: TBGLTextureHandle; virtual; abstract;
procedure FreeOpenGLTexture(ATexture: TBGLTextureHandle); virtual; abstract;
procedure UpdateGLResampleFilter(ATexture: TBGLTextureHandle; AFilter: TOpenGLResampleFilter); virtual; abstract;
function GetUseGradientColors: boolean; virtual;
procedure SetUseGradientColors(AValue: boolean); virtual;
procedure DoDrawTriangleOrQuad(const {%H-}Points: array of TPointF;
const {%H-}APointsZ: array of Single; const {%H-}APoints3D: array of TPoint3D_128;
const {%H-}ANormals3D: array of TPoint3D_128; const {%H-}TexCoords: array of TPointF;
const {%H-}AColors: array of TColorF); virtual;
procedure DoStretchDraw(x,y,w,h: single; AColor: TBGRAPixel); virtual; abstract;
procedure DoStretchDrawAngle(x,y,w,h,angleDeg: single; rotationCenter: TPointF; AColor: TBGRAPixel); virtual; abstract;
procedure DoDrawAffine(Origin, HAxis, VAxis: TPointF; AColor: TBGRAPixel); virtual; abstract;
function NewEmpty: TBGLCustomTexture; virtual; abstract;
function NewFromTexture(ATexture: TBGLTextureHandle; AWidth,AHeight: integer): TBGLCustomTexture; virtual; abstract;
procedure NotifyInvalidFrameSize; virtual;
procedure NotifyErrorLoadingFile({%H-}AFilename: string); virtual;
procedure Init(ATexture: TBGLTextureHandle; AWidth,AHeight: integer; AOwned: boolean); virtual;
function Duplicate: TBGLCustomTexture; virtual;
procedure FreeMemoryOnDestroy; virtual;
procedure InitEmpty;
procedure InitFromData(ARGBAData: PBGRADWord; AllocatedWidth,AllocatedHeight, ActualWidth,ActualHeight: integer; RGBAOrder: boolean);
procedure InitFromStream(AStream: TStream);
public
destructor Destroy; override;
constructor Create; overload;
constructor Create(ATexture: TBGLTextureHandle; AWidth,AHeight: integer); overload;
constructor Create(ARGBAData: PBGRADWord; AllocatedWidth,AllocatedHeight, ActualWidth,ActualHeight: integer; RGBAOrder: boolean = true); overload;
constructor Create(AFPImage: TFPCustomImage); overload;
constructor Create(ABitmap: TBitmap); overload;
constructor Create(AWidth, AHeight: integer; Color: TColor); overload;
constructor Create(AWidth, AHeight: integer; Color: TBGRAPixel); overload;
constructor Create(AFilenameUTF8: string); overload;
constructor Create(AFilenameUTF8: string; AWidth,AHeight: integer; AResampleFilter: TResampleFilter); overload;
constructor Create(AStream: TStream); overload;
procedure ToggleFlipX; virtual; abstract;
procedure ToggleFlipY; virtual; abstract;
procedure ToggleMask; virtual;
function FilterBlurMotion({%H-}ARadius: single; {%H-}ABlurType: TRadialBlurType; {%H-}ADirection: TPointF): IBGLTexture; virtual;
function FilterBlurRadial({%H-}ARadius: single; {%H-}ABlurType: TRadialBlurType): IBGLTexture; virtual;
procedure SetFrameSize(x,y: integer);
procedure Update(ARGBAData: PBGRADWord; AllocatedWidth, AllocatedHeight, ActualWidth,ActualHeight: integer; RGBAOrder: boolean = true);
procedure SetFrame(AIndex: integer);
procedure SetGradientColors(ATopLeft, ATopRight, ABottomRight, ABottomLeft: TBGRAPixel);
procedure FreeMemory;
procedure Bind({%H-}ATextureNumber: integer); virtual;
procedure Draw(x,y: single; AAlpha: byte = 255); overload;
procedure Draw(x,y: single; AColor: TBGRAPixel); overload;
procedure Draw(x,y: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure Draw(x,y: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure StretchDraw(x,y,w,h: single; AAlpha: byte = 255); overload;
procedure StretchDraw(x,y,w,h: single; AColor: TBGRAPixel); overload;
procedure StretchDraw(x,y,w,h: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure StretchDraw(x,y,w,h: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure DrawAngle(x,y,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AAlpha: byte = 255); overload;
procedure DrawAngle(x,y,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AColor: TBGRAPixel); overload;
procedure DrawAngle(x,y,angleDeg: single; AAlpha: byte = 255); overload;
procedure DrawAngle(x,y,angleDeg: single; AColor: TBGRAPixel); overload;
procedure DrawAngle(x,y,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure DrawAngle(x,y,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AAlpha: byte = 255); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; const imageCenter: TPointF; ARestoreOffsetAfterRotation: boolean; AColor: TBGRAPixel); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AAlpha: byte = 255); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AColor: TBGRAPixel); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout = tlTop; AAlpha: byte = 255); overload;
procedure StretchDrawAngle(x,y,w,h,angleDeg: single; AHorizAlign: TAlignment; AVertAlign: TTextLayout; AColor: TBGRAPixel); overload;
procedure DrawAffine(const Origin, HAxis, VAxis: TPointF; AAlpha: byte = 255); overload;
procedure DrawAffine(const Origin, HAxis, VAxis: TPointF; AColor: TBGRAPixel); overload;
procedure DrawAffine(x,y: single; const AMatrix: TAffineMatrix; AAlpha: byte = 255); overload;
procedure DrawAffine(x,y: single; const AMatrix: TAffineMatrix; AColor: TBGRAPixel); overload;
procedure DrawTriangle(const APoints: array of TPointF; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints: array of TPointF; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawTriangle(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawTriangle(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints: array of TPointF; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints: array of TPointF; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints: array of TPointF; const APointsZ: array of Single; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF); overload;
procedure DrawQuad(const APoints3D: array of TPoint3D_128; const ANormals3D: array of TPoint3D_128; const ATexCoords: array of TPointF; const AColors: array of TColorF); overload;
property Width: integer read GetWidth;
property Height: integer read GetHeight;
property FrameCount: integer read GetFrameCount;
property Frame[AIndex: integer]: IBGLTexture read GetFrame;
property FrameWidth: integer read GetFrameWidth;
property FrameHeight: integer read GetFrameHeight;
property FlipX: IBGLTexture read GetFlipX;
property FlipY: IBGLTexture read GetFlipY;
property Mask: IBGLTexture read GetMask;
property Handle: TBGLTextureHandle read GetOpenGLTexture;
property ResampleFilter: TOpenGLResampleFilter read GetResampleFilter write SetResampleFilter;
property BlendMode: TOpenGLBlendMode read GetOpenGLBlendMode write SetOpenGLBlendMode;
property GradientColors: boolean read GetUseGradientColors write SetUseGradientColors;
end;
{ TBGLCustomFrameBuffer }
TBGLCustomFrameBuffer = class
protected
FCanvas: pointer;
function GetTexture: IBGLTexture; virtual; abstract;
function GetHandle: pointer; virtual; abstract;
function GetMatrix: TAffineMatrix; virtual; abstract;
function GetHeight: integer; virtual; abstract;
function GetProjectionMatrix: TMatrix4D; virtual; abstract;
function GetWidth: integer; virtual; abstract;
procedure SetMatrix(AValue: TAffineMatrix); virtual; abstract;
procedure SetProjectionMatrix(AValue: TMatrix4D); virtual; abstract;
public
procedure UseOrthoProjection; overload; virtual;
procedure UseOrthoProjection(AMinX,AMinY,AMaxX,AMaxY: single); overload; virtual;
function MakeTextureAndFree: IBGLTexture; virtual;
procedure SetCanvas(ACanvas: Pointer); //for internal use
property Matrix: TAffineMatrix read GetMatrix write SetMatrix;
property ProjectionMatrix: TMatrix4D read GetProjectionMatrix write SetProjectionMatrix;
property Width: integer read GetWidth;
property Height: integer read GetHeight;
property Handle: pointer read GetHandle;
property Texture: IBGLTexture read GetTexture;
end;
type
TBGLBitmapAny = class of TBGLCustomBitmap;
TBGLTextureAny = class of TBGLCustomTexture;
var
BGLBitmapFactory : TBGLBitmapAny;
BGLTextureFactory: TBGLTextureAny;
function OrthoProjectionToOpenGL(AMinX,AMinY,AMaxX,AMaxY: Single): TMatrix4D;
function GetPowerOfTwo( Value : Integer ) : Integer;
implementation
uses BGRAFilterScanner;
procedure TBGLCustomFrameBuffer.UseOrthoProjection;
begin
ProjectionMatrix := OrthoProjectionToOpenGL(0,0,Width,Height);
end;
procedure TBGLCustomFrameBuffer.UseOrthoProjection(AMinX, AMinY, AMaxX, AMaxY: single);
begin
ProjectionMatrix := OrthoProjectionToOpenGL(AMinX,AMinY,AMaxX,AMaxY);
end;
function TBGLCustomFrameBuffer.MakeTextureAndFree: IBGLTexture;
begin
result := nil;
raise exception.create('Not implemented');
end;
procedure TBGLCustomFrameBuffer.SetCanvas(ACanvas: Pointer);
begin
FCanvas := ACanvas;
end;
function OrthoProjectionToOpenGL(AMinX, AMinY, AMaxX, AMaxY: Single): TMatrix4D;
var sx,sy: single;
begin
sx := 2/(AMaxX-AMinX);
sy := 2/(AMaxY-AMinY);
result[1,1] := sx; result[2,1] := 0; result[3,1] := 0; result[4,1] := -1 - AMinX*sx;
result[1,2] := 0; result[2,2] := -sy; result[3,2] := 0; result[4,2] := 1 + AMinY*sy;
result[1,3] := 0; result[2,3] := 0; result[3,3] := -1; result[4,3] := 0;
result[1,4] := 0; result[2,4] := 0; result[3,4] := 0; result[4,4] := 1;
end;
function GetPowerOfTwo( Value : Integer ) : Integer;
begin
Result := Value - 1;
Result := Result or ( Result shr 1 );
Result := Result or ( Result shr 2 );
Result := Result or ( Result shr 4 );
Result := Result or ( Result shr 8 );
Result := Result or ( Result shr 16 );
Result := Result + 1;
end;
{ TBGLCustomTexture }
function TBGLCustomTexture.GetFlipX: IBGLTexture;
begin
result := Duplicate;
result.ToggleFlipX;
end;
function TBGLCustomTexture.GetFlipY: IBGLTexture;
begin
result := Duplicate;
result.ToggleFlipY;
end;
function TBGLCustomTexture.GetFrame(AIndex: integer): IBGLTexture;
var fc: integer;
begin
fc := GetFrameCount;
if fc <= 1 then
result := self
else
begin
if (AIndex < 1) or (AIndex > fc) then
result := NewEmpty
else
begin
result := Duplicate;
result.SetFrame(AIndex);
end;
end;
end;
function TBGLCustomTexture.GetFrameCount: integer;
begin
result := GetOpenGLFrameCount(FOpenGLTexture);
end;
function TBGLCustomTexture.GetFrameHeight: integer;
begin
result := FFrameHeight;
end;
function TBGLCustomTexture.GetFrameWidth: integer;
begin
result := FFrameWidth;
end;
function TBGLCustomTexture.GetHeight: integer;
begin
result := FHeight;
end;
function TBGLCustomTexture.GetMask: IBGLTexture;
begin
result := Duplicate;
result.ToggleMask;
end;
function TBGLCustomTexture.GetOpenGLBlendMode: TOpenGLBlendMode;
begin
result := FBlendMode;
end;
function TBGLCustomTexture.GetOpenGLTexture: TBGLTextureHandle;
begin
result := FOpenGLTexture;
end;
function TBGLCustomTexture.GetUseGradientColors: boolean;
begin
result := FUseGradientColor;
end;
function TBGLCustomTexture.GetWidth: integer;
begin
result := FWidth;
end;
function TBGLCustomTexture.GetImageCenter: TPointF;
begin
result := FImageCenter;
end;
procedure TBGLCustomTexture.SetImageCenter(const AValue: TPointF);
begin
FImageCenter := AValue;
end;
function TBGLCustomTexture.GetResampleFilter: TOpenGLResampleFilter;
begin
result := FResampleFilter;
end;
procedure TBGLCustomTexture.SetOpenGLBlendMode(AValue: TOpenGLBlendMode);
begin
FBlendMode := AValue;
end;
procedure TBGLCustomTexture.SetResampleFilter(AValue: TOpenGLResampleFilter);
begin
if AValue <> FResampleFilter then
begin
FResampleFilter:= AValue;
UpdateGLResampleFilter(FOpenGLTexture, AValue);
end;
end;
class function TBGLCustomTexture.SupportsBGRAOrder: boolean;
begin
result := false;
end;
procedure TBGLCustomTexture.SetUseGradientColors(AValue: boolean);
begin
FUseGradientColor := AValue;
end;
procedure TBGLCustomTexture.DoDrawTriangleOrQuad(
const Points: array of TPointF; const APointsZ: array of Single;
const APoints3D: array of TPoint3D_128;
const ANormals3D: array of TPoint3D_128; const TexCoords: array of TPointF;
const AColors: array of TColorF);
begin
raise Exception.Create('Not implemented');
end;
procedure TBGLCustomTexture.ToggleMask;
begin
FIsMask := not FIsMask;
end;
function TBGLCustomTexture.FilterBlurMotion(ARadius: single; ABlurType: TRadialBlurType;
ADirection: TPointF): IBGLTexture;
begin
result := nil;
raise exception.Create('Not implemented');
end;
function TBGLCustomTexture.FilterBlurRadial(ARadius: single; ABlurType: TRadialBlurType): IBGLTexture;
begin
result := nil;
raise exception.Create('Not implemented');
end;
procedure TBGLCustomTexture.Update(ARGBAData: PBGRADWord; AllocatedWidth,
AllocatedHeight, ActualWidth, ActualHeight: integer; RGBAOrder: boolean);
begin
UpdateOpenGLTexture(FOpenGLTexture, ARGBAData, AllocatedWidth, AllocatedHeight, ActualWidth,ActualHeight,RGBAOrder);
ComputeOpenGLFramesCoord(FOpenGLTexture, round(FWidth/FFrameWidth),round(FWidth/FFrameHeight));
FWidth := ActualWidth;
FHeight := ActualHeight;
FImageCenter := PointF(FWidth*0.5,FHeight*0.5);
end;
procedure TBGLCustomTexture.SetFrame(AIndex: integer);
begin
if (AIndex >= 1) and (AIndex <= GetFrameCount) then
begin
FFrame := AIndex;
FWidth := FFrameWidth;
FHeight:= FFrameHeight;
FImageCenter := PointF(FWidth*0.5,FHeight*0.5);
end;
end;
procedure TBGLCustomTexture.SetGradientColors(ATopLeft, ATopRight,
ABottomRight, ABottomLeft: TBGRAPixel);
begin
FGradTopLeft := ATopLeft;
FGradTopRight := ATopRight;
FGradBottomLeft := ABottomLeft;
FGradBottomRight := ABottomRight;
GradientColors := true;
end;
procedure TBGLCustomTexture.FreeMemory;
begin
if FOpenGLTextureOwned then
begin
FreeOpenGLTexture(FOpenGLTexture);
FOpenGLTexture := GetEmptyTexture;
FOpenGLTextureOwned := false;
end;
end;
procedure TBGLCustomTexture.Bind(ATextureNumber: integer);
begin
raise Exception.Create('Not implemented');
end;
procedure TBGLCustomTexture.NotifyInvalidFrameSize;
begin
//
end;
procedure TBGLCustomTexture.NotifyErrorLoadingFile(AFilename: string);
begin
//
end;
procedure TBGLCustomTexture.Init(ATexture: TBGLTextureHandle; AWidth,
AHeight: integer; AOwned: boolean);
begin
FOpenGLTexture:= ATexture;
FWidth := AWidth;
FHeight := AHeight;
FImageCenter := PointF(FWidth*0.5,FHeight*0.5);
FFrame:= 0;
FFrameWidth := AWidth;
FFrameHeight := AHeight;
FIsMask:= false;
FOpenGLTextureOwned := AOwned;
end;
function TBGLCustomTexture.Duplicate: TBGLCustomTexture;
begin
result := NewFromTexture(FOpenGLTexture, FWidth, FHeight);
result.FFrame := FFrame;
result.FFrameWidth := FFrameWidth;
result.FFrameHeight := FFrameHeight;
result.FIsMask := FIsMask;
result.FResampleFilter := FResampleFilter;
result.FGradTopLeft := FGradTopLeft;
result.FGradTopRight := FGradTopRight;
result.FGradBottomRight := FGradBottomRight;
result.FGradBottomLeft := FGradBottomLeft;
result.FUseGradientColor := FUseGradientColor;
result.FBlendMode := FBlendMode;
end;
procedure TBGLCustomTexture.FreeMemoryOnDestroy;
begin
FreeMemory;
end;
procedure TBGLCustomTexture.InitEmpty;
begin
Init(GetEmptyTexture,0,0,False);
end;
procedure TBGLCustomTexture.InitFromData(ARGBAData: PBGRADWord;
AllocatedWidth, AllocatedHeight, ActualWidth, ActualHeight: integer;
RGBAOrder: boolean);
var tex: TBGLTextureHandle;
MaxTexSize: integer;
begin
MaxTexSize := GetOpenGLMaxTexSize;
if ( AllocatedWidth > MaxTexSize ) or ( AllocatedHeight > MaxTexSize ) or
(AllocatedWidth <= 0) or (AllocatedHeight <= 0) then
InitEmpty
else
begin
tex := CreateOpenGLTexture(ARGBAData,AllocatedWidth,AllocatedHeight,ActualWidth,ActualHeight,RGBAOrder);
FResampleFilter := orfLinear;
ComputeOpenGLFramesCoord(tex);
Init(tex,ActualWidth,ActualHeight,True);
end;
end;
procedure TBGLCustomTexture.InitFromStream(AStream: TStream);
var bmp: TBGLCustomBitmap;
begin
bmp := nil;
try
bmp := BGLBitmapFactory.Create(AStream);
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then bmp.SwapRedBlue;
InitFromData(PBGRADWord(bmp.Data), bmp.AllocatedWidth,bmp.AllocatedHeight, bmp.Width,bmp.Height,TBGRAPixel_RGBAOrder or not SupportsBGRAOrder);
except
InitEmpty;
end;
bmp.Free;
end;
destructor TBGLCustomTexture.Destroy;
begin
FreeMemoryOnDestroy;
inherited Destroy;
end;
constructor TBGLCustomTexture.Create;
begin
InitEmpty;
end;
constructor TBGLCustomTexture.Create(ATexture: TBGLTextureHandle; AWidth,
AHeight: integer);
begin
Init(ATexture, AWidth,AHeight, False);
end;
constructor TBGLCustomTexture.Create(ARGBAData: PBGRADWord; AllocatedWidth,
AllocatedHeight, ActualWidth, ActualHeight: integer; RGBAOrder: boolean);
begin
InitFromData(ARGBAData,AllocatedWidth,AllocatedHeight,ActualWidth,ActualHeight,RGBAOrder);
end;
constructor TBGLCustomTexture.Create(AFPImage: TFPCustomImage);
var bmp: TBGLCustomBitmap;
begin
if (AFPImage is TBGRACustomBitmap) and
(AFPImage.Width = GetPowerOfTwo(AFPImage.Width)) and
(AFPImage.Height = GetPowerOfTwo(AFPImage.Height)) then
begin
with TBGRACustomBitmap(AFPImage) do
begin
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then SwapRedBlue;
if LineOrder = riloBottomToTop then VerticalFlip;
InitFromData(PBGRADWord(Data), Width,Height, Width,Height, TBGRAPixel_RGBAOrder or not SupportsBGRAOrder);
if LineOrder = riloBottomToTop then VerticalFlip;
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then SwapRedBlue;
end;
end else
begin
bmp := BGLBitmapFactory.Create(AFPImage);
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then bmp.SwapRedBlue;
InitFromData(PBGRADWord(bmp.Data), bmp.AllocatedWidth,bmp.AllocatedHeight, bmp.Width,bmp.Height, TBGRAPixel_RGBAOrder or not SupportsBGRAOrder);
bmp.Free;
end;
end;
constructor TBGLCustomTexture.Create(ABitmap: TBitmap);
var bmp: TBGLCustomBitmap;
begin
bmp := BGLBitmapFactory.Create(ABitmap);
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then bmp.SwapRedBlue;
InitFromData(PBGRADWord(bmp.Data), bmp.AllocatedWidth,bmp.AllocatedHeight, bmp.Width,bmp.Height, TBGRAPixel_RGBAOrder or not SupportsBGRAOrder);
bmp.Free;
end;
constructor TBGLCustomTexture.Create(AWidth, AHeight: integer; Color: TColor);
var bmp: TBGLCustomBitmap;
begin
bmp := BGLBitmapFactory.Create(AWidth,AHeight,Color);
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then bmp.SwapRedBlue;
InitFromData(PBGRADWord(bmp.Data), bmp.AllocatedWidth,bmp.AllocatedHeight, bmp.Width,bmp.Height, TBGRAPixel_RGBAOrder or not SupportsBGRAOrder);
bmp.Free;
end;
constructor TBGLCustomTexture.Create(AWidth, AHeight: integer;
Color: TBGRAPixel);
var bmp: TBGLCustomBitmap;
begin
bmp := BGLBitmapFactory.Create(AWidth,AHeight,Color);
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then bmp.SwapRedBlue;
InitFromData(PBGRADWord(bmp.Data), bmp.AllocatedWidth,bmp.AllocatedHeight, bmp.Width,bmp.Height, TBGRAPixel_RGBAOrder or not SupportsBGRAOrder);
bmp.Free;
end;
constructor TBGLCustomTexture.Create(AFilenameUTF8: string);
var bmp: TBGLCustomBitmap;
begin
bmp := nil;
try
bmp := BGLBitmapFactory.Create(AFilenameUTF8, True);
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then bmp.SwapRedBlue;
InitFromData(PBGRADWord(bmp.Data), bmp.AllocatedWidth,bmp.AllocatedHeight, bmp.Width,bmp.Height, TBGRAPixel_RGBAOrder or not SupportsBGRAOrder);
except
InitEmpty;
NotifyErrorLoadingFile(AFilenameUTF8);
end;
bmp.Free;
end;
constructor TBGLCustomTexture.Create(AFilenameUTF8: string; AWidth,
AHeight: integer; AResampleFilter: TResampleFilter);
var bmp, temp: TBGLCustomBitmap;
begin
bmp := nil;
try
bmp := BGLBitmapFactory.Create(AFilenameUTF8, True);
if (bmp.Width <> AWidth) or (bmp.Height <> AHeight) then
begin
if AResampleFilter = rfBox then
temp := bmp.Resample(AWidth,AHeight,rmSimpleStretch) as TBGLCustomBitmap
else
begin
bmp.ResampleFilter := AResampleFilter;
temp := bmp.Resample(AWidth,AHeight) as TBGLCustomBitmap;
end;
bmp.Free;
bmp := temp;
temp := nil;
end;
if not TBGRAPixel_RGBAOrder and not SupportsBGRAOrder then bmp.SwapRedBlue;
InitFromData(PBGRADWord(bmp.Data), bmp.AllocatedWidth,bmp.AllocatedHeight, bmp.Width,bmp.Height, TBGRAPixel_RGBAOrder);
except
InitEmpty;
NotifyErrorLoadingFile(AFilenameUTF8);
end;
bmp.Free;
end;
constructor TBGLCustomTexture.Create(AStream: TStream);
begin
InitFromStream(AStream);
end;
procedure TBGLCustomTexture.SetFrameSize(x, y: integer);
begin
if (FWidth = 0) or (FHeight = 0) then exit;
if (x <= 0) or (y <= 0) or (x > FWidth) or (y > FHeight) then
begin
NotifyInvalidFrameSize;
exit;
end;
ComputeOpenGLFramesCoord(FOpenGLTexture, FWidth div x,FHeight div y);
FFrameWidth:= x;
FFrameHeight:= y;
end;
procedure TBGLCustomTexture.Draw(x, y: single; AAlpha: byte);
begin
DoStretchDraw(x,y,FWidth,FHeight,BGRA(255,255,255,AAlpha));
end;
procedure TBGLCustomTexture.Draw(x, y: single; AColor: TBGRAPixel);
begin
DoStretchDraw(x,y,FWidth,FHeight,AColor);
end;
procedure TBGLCustomTexture.Draw(x, y: single; AHorizAlign: TAlignment;
AVertAlign: TTextLayout; AAlpha: byte);
begin
Draw(x,y, AHorizAlign, AVertAlign, BGRA(255,255,255,AAlpha));
end;
procedure TBGLCustomTexture.Draw(x, y: single; AHorizAlign: TAlignment;
AVertAlign: TTextLayout; AColor: TBGRAPixel);
begin
StretchDraw(x,y, FWidth,FHeight, AHorizAlign,AVertAlign, AColor);
end;
procedure TBGLCustomTexture.StretchDraw(x, y, w, h: single; AAlpha: byte);
begin
DoStretchDraw(x,y,w,h, BGRA(255,255,255,AAlpha));
end;
procedure TBGLCustomTexture.StretchDraw(x, y, w, h: single;
AColor: TBGRAPixel);
begin
DoStretchDraw(x,y,w,h,AColor);
end;
procedure TBGLCustomTexture.StretchDraw(x, y, w, h: single;
AHorizAlign: TAlignment; AVertAlign: TTextLayout; AAlpha: byte);