windows-nt/Source/XPSP1/NT/public/sdk/inc/gdiplus/gdiplusheaders.h
2020-09-26 16:20:57 +08:00

672 lines
18 KiB
C++

/**************************************************************************\
*
* Copyright (c) 1998-2001, Microsoft Corp. All Rights Reserved.
*
* Module Name:
*
* GdiplusHeaders.h
*
* Abstract:
*
* GDI+ Region, Font, Image, CustomLineCap class definitions.
*
*
* Class definition and inline class implementation are separated into
* different files to avoid circular dependencies.
*
\**************************************************************************/
#ifndef _GDIPLUSHEADERS_H
#define _GDIPLUSHEADERS_H
class Region : public GdiplusBase
{
public:
friend class Graphics;
Region();
Region(IN const RectF& rect);
Region(IN const Rect& rect);
Region(IN const GraphicsPath* path);
Region(IN const BYTE* regionData, IN INT size);
Region(IN HRGN hRgn);
static Region* FromHRGN(IN HRGN hRgn);
~Region();
Region* Clone() const;
Status MakeInfinite();
Status MakeEmpty();
UINT GetDataSize() const;
// buffer - where to put the data
// bufferSize - how big the buffer is (should be at least as big as GetDataSize())
// sizeFilled - if not NULL, this is an OUT param that says how many bytes
// of data were written to the buffer.
Status GetData(OUT BYTE* buffer,
IN UINT bufferSize,
OUT UINT* sizeFilled = NULL) const;
Status Intersect(IN const Rect& rect);
Status Intersect(IN const RectF& rect);
Status Intersect(IN const GraphicsPath* path);
Status Intersect(IN const Region* region);
Status Union(IN const Rect& rect);
Status Union(IN const RectF& rect);
Status Union(IN const GraphicsPath* path);
Status Union(IN const Region* region);
Status Xor(IN const Rect& rect);
Status Xor(IN const RectF& rect);
Status Xor(IN const GraphicsPath* path);
Status Xor(IN const Region* region);
Status Exclude(IN const Rect& rect);
Status Exclude(IN const RectF& rect);
Status Exclude(IN const GraphicsPath* path);
Status Exclude(IN const Region* region);
Status Complement(IN const Rect& rect);
Status Complement(IN const RectF& rect);
Status Complement(IN const GraphicsPath* path);
Status Complement(IN const Region* region);
Status Translate(IN REAL dx,
IN REAL dy);
Status Translate(IN INT dx,
IN INT dy);
Status Transform(IN const Matrix* matrix);
Status GetBounds(OUT Rect* rect,
IN const Graphics* g) const;
Status GetBounds(OUT RectF* rect,
IN const Graphics* g) const;
HRGN GetHRGN (IN const Graphics * g) const;
BOOL IsEmpty(IN const Graphics *g) const;
BOOL IsInfinite(IN const Graphics *g) const;
BOOL IsVisible(IN INT x,
IN INT y,
IN const Graphics* g = NULL) const
{
return IsVisible(Point(x, y), g);
}
BOOL IsVisible(IN const Point& point,
IN const Graphics* g = NULL) const;
BOOL IsVisible(IN REAL x,
IN REAL y,
IN const Graphics* g = NULL) const
{
return IsVisible(PointF(x, y), g);
}
BOOL IsVisible(IN const PointF& point,
IN const Graphics* g = NULL) const;
BOOL IsVisible(IN INT x,
IN INT y,
IN INT width,
IN INT height,
IN const Graphics* g) const
{
return IsVisible(Rect(x, y, width, height), g);
}
BOOL IsVisible(IN const Rect& rect,
IN const Graphics* g = NULL) const;
BOOL IsVisible(IN REAL x,
IN REAL y,
IN REAL width,
IN REAL height,
IN const Graphics* g = NULL) const
{
return IsVisible(RectF(x, y, width, height), g);
}
BOOL IsVisible(IN const RectF& rect,
IN const Graphics* g = NULL) const;
BOOL Equals(IN const Region* region,
IN const Graphics* g) const;
UINT GetRegionScansCount(IN const Matrix* matrix) const;
Status GetRegionScans(IN const Matrix* matrix,
OUT RectF* rects,
OUT INT* count) const;
Status GetRegionScans(IN const Matrix* matrix,
OUT Rect* rects,
OUT INT* count) const;
Status GetLastStatus() const;
protected:
private:
Region(const Region &region);
Region& operator=(const Region &region);
protected:
Status SetStatus(Status status) const
{
if (status != Ok)
return (lastResult = status);
else
return status;
}
Region(GpRegion* nativeRegion);
VOID SetNativeRegion(GpRegion* nativeRegion);
protected:
GpRegion* nativeRegion;
mutable Status lastResult;
};
//--------------------------------------------------------------------------
// FontFamily
//--------------------------------------------------------------------------
class FontFamily : public GdiplusBase
{
public:
friend class Font;
friend class Graphics;
friend class GraphicsPath;
friend class FontCollection;
FontFamily();
FontFamily(
IN const WCHAR *name,
IN const FontCollection *fontCollection = NULL
);
~FontFamily();
static const FontFamily *GenericSansSerif();
static const FontFamily *GenericSerif();
static const FontFamily *GenericMonospace();
Status GetFamilyName(
OUT WCHAR name[LF_FACESIZE],
IN LANGID language = 0
) const;
FontFamily * Clone() const;
BOOL IsAvailable() const
{
return (nativeFamily != NULL);
};
BOOL IsStyleAvailable(IN INT style) const;
UINT16 GetEmHeight (IN INT style) const;
UINT16 GetCellAscent (IN INT style) const;
UINT16 GetCellDescent (IN INT style) const;
UINT16 GetLineSpacing (IN INT style) const;
Status GetLastStatus() const;
private:
FontFamily(const FontFamily &);
FontFamily& operator=(const FontFamily &);
protected:
Status SetStatus(Status status) const;
FontFamily(GpFontFamily * nativeFamily, Status status);
protected:
GpFontFamily *nativeFamily;
mutable Status lastResult;
};
static FontFamily *GenericSansSerifFontFamily = NULL;
static FontFamily *GenericSerifFontFamily = NULL;
static FontFamily *GenericMonospaceFontFamily = NULL;
static BYTE GenericSansSerifFontFamilyBuffer[sizeof(FontFamily)] = {0};
static BYTE GenericSerifFontFamilyBuffer [sizeof(FontFamily)] = {0};
static BYTE GenericMonospaceFontFamilyBuffer[sizeof(FontFamily)] = {0};
//--------------------------------------------------------------------------
// Font
//--------------------------------------------------------------------------
class Font : public GdiplusBase
{
public:
friend class Graphics;
Font(IN HDC hdc);
Font(IN HDC hdc,
IN const LOGFONTA* logfont);
Font(IN HDC hdc,
IN const LOGFONTW* logfont);
Font(IN HDC hdc,
IN const HFONT hfont);
Font(
IN const FontFamily * family,
IN REAL emSize,
IN INT style = FontStyleRegular,
IN Unit unit = UnitPoint
);
Font(
IN const WCHAR * familyName,
IN REAL emSize,
IN INT style = FontStyleRegular,
IN Unit unit = UnitPoint,
IN const FontCollection * fontCollection = NULL
);
Status GetLogFontA(IN const Graphics* g,
OUT LOGFONTA * logfontA) const;
Status GetLogFontW(IN const Graphics* g,
OUT LOGFONTW * logfontW) const;
Font* Clone() const;
~Font();
BOOL IsAvailable() const;
INT GetStyle() const;
REAL GetSize() const;
Unit GetUnit() const;
Status GetLastStatus() const;
REAL GetHeight(IN const Graphics *graphics) const;
REAL GetHeight(IN REAL dpi) const;
Status GetFamily(OUT FontFamily *family) const;
private:
Font(const Font &);
Font& operator=(const Font &);
protected:
Font(GpFont* font, Status status);
VOID SetNativeFont(GpFont *Font);
Status SetStatus(Status status) const;
protected:
GpFont* nativeFont;
mutable Status lastResult;
};
//--------------------------------------------------------------------------
// Font Collection
//--------------------------------------------------------------------------
class FontCollection : public GdiplusBase
{
public:
friend class FontFamily;
FontCollection();
virtual ~FontCollection();
INT GetFamilyCount() const;
Status GetFamilies(
IN INT numSought,
OUT FontFamily * gpfamilies,
OUT INT * numFound
) const;
Status GetLastStatus() const;
private:
FontCollection(const FontCollection &);
FontCollection& operator=(const FontCollection &);
protected:
Status SetStatus(Status status) const ;
GpFontCollection *nativeFontCollection;
mutable Status lastResult;
};
class InstalledFontCollection : public FontCollection
{
public:
InstalledFontCollection();
~InstalledFontCollection();
private:
InstalledFontCollection(const InstalledFontCollection &);
InstalledFontCollection& operator=(const InstalledFontCollection &);
protected:
Status SetStatus(Status status) const ;
};
class PrivateFontCollection : public FontCollection
{
public:
PrivateFontCollection();
~PrivateFontCollection();
Status AddFontFile(IN const WCHAR* filename);
Status AddMemoryFont(IN const VOID* memory,
IN INT length);
private:
PrivateFontCollection(const PrivateFontCollection &);
PrivateFontCollection& operator=(const PrivateFontCollection &);
};
//--------------------------------------------------------------------------
// Abstract base class for Image and Metafile
//--------------------------------------------------------------------------
class Image : public GdiplusBase
{
public:
friend class Brush;
friend class TextureBrush;
friend class Graphics;
Image(
IN const WCHAR* filename,
IN BOOL useEmbeddedColorManagement = FALSE
);
Image(
IN IStream* stream,
IN BOOL useEmbeddedColorManagement = FALSE
);
static Image* FromFile(
IN const WCHAR* filename,
IN BOOL useEmbeddedColorManagement = FALSE
);
static Image* FromStream(
IN IStream* stream,
IN BOOL useEmbeddedColorManagement = FALSE
);
virtual ~Image();
virtual Image* Clone();
Status Save(IN const WCHAR* filename,
IN const CLSID* clsidEncoder,
IN const EncoderParameters *encoderParams = NULL);
Status Save(IN IStream* stream,
IN const CLSID* clsidEncoder,
IN const EncoderParameters *encoderParams = NULL);
Status SaveAdd(IN const EncoderParameters* encoderParams);
Status SaveAdd(IN Image* newImage,
IN const EncoderParameters* encoderParams);
ImageType GetType() const;
Status GetPhysicalDimension(OUT SizeF* size);
Status GetBounds(OUT RectF* srcRect,
OUT Unit* srcUnit);
UINT GetWidth();
UINT GetHeight();
REAL GetHorizontalResolution();
REAL GetVerticalResolution();
UINT GetFlags();
Status GetRawFormat(OUT GUID *format);
PixelFormat GetPixelFormat();
INT GetPaletteSize();
Status GetPalette(OUT ColorPalette* palette,
IN INT size);
Status SetPalette(IN const ColorPalette* palette);
Image* GetThumbnailImage(IN UINT thumbWidth,
IN UINT thumbHeight,
IN GetThumbnailImageAbort callback = NULL,
IN VOID* callbackData = NULL);
UINT GetFrameDimensionsCount();
Status GetFrameDimensionsList(OUT GUID* dimensionIDs,
IN UINT count);
UINT GetFrameCount(IN const GUID* dimensionID);
Status SelectActiveFrame(IN const GUID* dimensionID,
IN UINT frameIndex);
Status RotateFlip(IN RotateFlipType rotateFlipType);
UINT GetPropertyCount();
Status GetPropertyIdList(IN UINT numOfProperty,
OUT PROPID* list);
UINT GetPropertyItemSize(IN PROPID propId);
Status GetPropertyItem(IN PROPID propId,
IN UINT propSize,
OUT PropertyItem* buffer);
Status GetPropertySize(OUT UINT* totalBufferSize,
OUT UINT* numProperties);
Status GetAllPropertyItems(IN UINT totalBufferSize,
IN UINT numProperties,
OUT PropertyItem* allItems);
Status RemovePropertyItem(IN PROPID propId);
Status SetPropertyItem(IN const PropertyItem* item);
UINT GetEncoderParameterListSize(IN const CLSID* clsidEncoder);
Status GetEncoderParameterList(IN const CLSID* clsidEncoder,
IN UINT size,
OUT EncoderParameters* buffer);
Status GetLastStatus() const;
protected:
Image() {}
Image(GpImage *nativeImage, Status status);
VOID SetNativeImage(GpImage* nativeImage);
Status SetStatus(Status status) const
{
if (status != Ok)
return (lastResult = status);
else
return status;
}
GpImage* nativeImage;
mutable Status lastResult;
mutable Status loadStatus;
private:
Image(IN const Image& C);
Image& operator=(IN const Image& C);
};
class Bitmap : public Image
{
public:
friend class Image;
friend class CachedBitmap;
Bitmap(
IN const WCHAR *filename,
IN BOOL useEmbeddedColorManagement = FALSE
);
Bitmap(
IN IStream *stream,
IN BOOL useEmbeddedColorManagement = FALSE
);
static Bitmap* FromFile(
IN const WCHAR *filename,
IN BOOL useEmbeddedColorManagement = FALSE
);
static Bitmap* FromStream(
IN IStream *stream,
IN BOOL useEmbeddedColorManagement = FALSE
);
Bitmap(IN INT width,
IN INT height,
IN INT stride, PixelFormat format,
IN BYTE* scan0);
Bitmap(IN INT width,
IN INT height,
IN PixelFormat format = PixelFormat32bppARGB);
Bitmap(IN INT width,
IN INT height,
IN Graphics* target);
Bitmap* Clone(IN const Rect& rect,
IN PixelFormat format);
Bitmap* Clone(IN INT x,
IN INT y,
IN INT width,
IN INT height,
IN PixelFormat format);
Bitmap* Clone(IN const RectF& rect,
IN PixelFormat format);
Bitmap* Clone(IN REAL x,
IN REAL y,
IN REAL width,
IN REAL height,
IN PixelFormat format);
Status LockBits(IN const Rect* rect,
IN UINT flags,
IN PixelFormat format,
OUT BitmapData* lockedBitmapData);
Status UnlockBits(IN BitmapData* lockedBitmapData);
Status GetPixel(IN INT x,
IN INT y,
OUT Color *color);
Status SetPixel(IN INT x,
IN INT y,
IN const Color &color);
Status SetResolution(IN REAL xdpi,
IN REAL ydpi);
Bitmap(IN IDirectDrawSurface7* surface);
Bitmap(IN const BITMAPINFO* gdiBitmapInfo,
IN VOID* gdiBitmapData);
Bitmap(IN HBITMAP hbm,
IN HPALETTE hpal);
Bitmap(IN HICON hicon);
Bitmap(IN HINSTANCE hInstance,
IN const WCHAR * bitmapName);
static Bitmap* FromDirectDrawSurface7(IN IDirectDrawSurface7* surface);
static Bitmap* FromBITMAPINFO(IN const BITMAPINFO* gdiBitmapInfo,
IN VOID* gdiBitmapData);
static Bitmap* FromHBITMAP(IN HBITMAP hbm,
IN HPALETTE hpal);
static Bitmap* FromHICON(IN HICON hicon);
static Bitmap* FromResource(IN HINSTANCE hInstance,
IN const WCHAR * bitmapName);
Status GetHBITMAP(IN const Color& colorBackground,
OUT HBITMAP *hbmReturn);
Status GetHICON(HICON *hicon);
private:
Bitmap(const Bitmap &);
Bitmap& operator=(const Bitmap &);
protected:
Bitmap(GpBitmap *nativeBitmap);
};
class CustomLineCap : public GdiplusBase
{
public:
friend class Pen;
CustomLineCap(
IN const GraphicsPath* fillPath,
IN const GraphicsPath* strokePath,
IN LineCap baseCap = LineCapFlat,
IN REAL baseInset = 0
);
virtual ~CustomLineCap();
CustomLineCap* Clone() const;
// This changes both the start and end cap.
Status SetStrokeCap(IN LineCap strokeCap)
{
return SetStrokeCaps(strokeCap, strokeCap);
}
Status SetStrokeCaps(IN LineCap startCap,
IN LineCap endCap);
Status GetStrokeCaps(OUT LineCap* startCap,
OUT LineCap* endCap) const;
Status SetStrokeJoin(IN LineJoin lineJoin);
LineJoin GetStrokeJoin() const;
Status SetBaseCap(IN LineCap baseCap);
LineCap GetBaseCap() const;
Status SetBaseInset(IN REAL inset);
REAL GetBaseInset() const;
Status SetWidthScale(IN REAL widthScale);
REAL GetWidthScale() const;
Status GetLastStatus() const;
protected:
CustomLineCap();
private:
CustomLineCap(const CustomLineCap &);
CustomLineCap& operator=(const CustomLineCap &);
protected:
CustomLineCap(GpCustomLineCap* nativeCap, Status status)
{
lastResult = status;
SetNativeCap(nativeCap);
}
VOID SetNativeCap(GpCustomLineCap* nativeCap)
{
this->nativeCap = nativeCap;
}
Status SetStatus(Status status) const
{
if (status != Ok)
return (lastResult = status);
else
return status;
}
protected:
GpCustomLineCap* nativeCap;
mutable Status lastResult;
};
class CachedBitmap : public GdiplusBase
{
friend Graphics;
public:
CachedBitmap(IN Bitmap *bitmap,
IN Graphics *graphics);
virtual ~CachedBitmap();
Status GetLastStatus() const;
private:
CachedBitmap(const CachedBitmap &);
CachedBitmap& operator=(const CachedBitmap &);
protected:
GpCachedBitmap *nativeCachedBitmap;
mutable Status lastResult;
};
#endif // !_GDIPLUSHEADERS.HPP