Inherits System::IDisposable.
Inherited by System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
Classes | |
struct | SaveOptions |
Structure that represents save options. More... | |
Public Types | |
using | GetThumbnailImageAbort = System::MulticastDelegate< bool()> |
A callback to cancel GetThumbnailImage execution. More... | |
Public Types inherited from System::Object | |
typedef SmartPtr< Object > | ptr |
Alias for smart pointer type. More... | |
Public Member Functions | |
ASPOSECPP_SHARED_API void | Save (const String &filename) |
ASPOSECPP_SHARED_API void | Save (const String &filename, const Imaging::ImageFormatPtr &format) |
ASPOSECPP_SHARED_API void | Save (const SharedPtr< System::IO::Stream > &stream, const Imaging::ImageFormatPtr &format) |
ASPOSECPP_SHARED_API void | Save (const String &filename, const Imaging::ImageCodecInfoPtr &encoder, const Imaging::EncoderParametersPtr &encoder_params) |
ASPOSECPP_SHARED_API void | Save (const SharedPtr< System::IO::Stream > &stream, const Imaging::ImageCodecInfoPtr &encoder, const Imaging::EncoderParametersPtr &encoder_params) |
ASPOSECPP_SHARED_API void | SaveAdd (const Imaging::EncoderParametersPtr &encoder_params) |
ASPOSECPP_SHARED_API void | SaveAdd (const SharedPtr< Image > &image, const Imaging::EncoderParametersPtr &encoder_params) |
virtual ASPOSECPP_SHARED_API SharedPtr< Image > | Clone ()=0 |
virtual ASPOSECPP_SHARED_API void | RotateFlip (RotateFlipType rotate_flip_type) |
virtual ASPOSECPP_SHARED_API ArrayPtr< int > | get_PropertyIdList () const |
Gets IDs of the property items stored in this image. More... | |
ASPOSECPP_SHARED_API RectangleF | GetBounds (GraphicsUnit &page_unit) |
virtual ASPOSECPP_SHARED_API int | get_Width () const =0 |
Returns the width of the image in pixels. More... | |
virtual ASPOSECPP_SHARED_API int | get_Height () const =0 |
Returns the height of the image in pixels. More... | |
virtual int32_t | get_Flags () const |
ASPOSECPP_SHARED_API Size | get_Size () const |
virtual ASPOSECPP_SHARED_API Imaging::ImageFormatPtr | get_RawFormat () const =0 |
Returns the file format of the image represented by the current object. More... | |
virtual ASPOSECPP_SHARED_API Imaging::PixelFormat | get_PixelFormat () const =0 |
Returns the pixel format of the image represented by the current object. More... | |
virtual ASPOSECPP_SHARED_API System::SharedPtr< System::Object > | get_Tag () const |
Gets an object that provides additional data about the image. More... | |
virtual ASPOSECPP_SHARED_API void | set_Tag (const System::SharedPtr< System::Object > tag) |
Sets an object that provides additional data about the image. More... | |
ASPOSECPP_SHARED_API float | get_HorizontalResolution () const |
Returns the horizontal resolution of the image represented by the current object in pixels per inch. More... | |
ASPOSECPP_SHARED_API float | get_VerticalResolution () const |
Returns the vertical resolution of the image represented by the current object in pixels per inch. More... | |
virtual ASPOSECPP_SHARED_API Imaging::ColorPalettePtr | get_Palette () const |
Returns the color palette used by the image represented by the current object. More... | |
virtual ASPOSECPP_SHARED_API void | set_Palette (Imaging::ColorPalettePtr value) |
virtual ASPOSECPP_SHARED_API bool | IsMultiImage () const |
Returns whether the original format is a multi-image. More... | |
ASPOSECPP_SHARED_API ArrayPtr< Guid > | get_FrameDimensionsList () const |
ASPOSECPP_SHARED_API int | GetFrameCount (const Imaging::FrameDimensionPtr &dimension) |
ASPOSECPP_SHARED_API int | SelectActiveFrame (const Imaging::FrameDimensionPtr &dimension, int frameIndex) |
virtual ASPOSECPP_SHARED_API ArrayPtr< SharedPtr< Imaging::PropertyItem > > | get_PropertyItems () const |
Gets all the property items(pieces of metadata) stored in this image. More... | |
void | Dispose () override |
Releases all resources aquired by the current object. More... | |
virtual ASPOSECPP_SHARED_API const SkBitmap * | GetSkBitmap () const =0 |
Returns an underlying SkBitmap object. More... | |
ASPOSECPP_SHARED_API SharedPtr< Image > | GetThumbnailImage (int thumbWidth, int thumbHeight, Image::GetThumbnailImageAbort callback, IntPtr callbackData) |
Public Member Functions inherited from System::Object | |
ASPOSECPP_SHARED_API | Object () |
Creates object. Initializes all internal data structures. More... | |
virtual ASPOSECPP_SHARED_API | ~Object () |
Destroys object. Frees all internal data structures. More... | |
ASPOSECPP_SHARED_API | Object (Object const &x) |
Copy constructor. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More... | |
Object & | operator= (Object const &x) |
Assignment operator. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More... | |
Object * | SharedRefAdded () |
Increments shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More... | |
int | SharedRefRemovedSafe () |
Decrements and returns shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More... | |
int | RemovedSharedRefs (int count) |
Decreases shared reference count by specified value. More... | |
Detail::SmartPtrCounter * | WeakRefAdded () |
Increments weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More... | |
void | WeakRefRemoved () |
Decrements weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More... | |
Detail::SmartPtrCounter * | GetCounter () |
Gets reference counter data structure associated with the object. More... | |
int | SharedCount () const |
Gets current value of shared reference counter. More... | |
ASPOSECPP_SHARED_API void | Lock () |
Implements C# lock() statement locking. Call directly or use LockContext sentry object. More... | |
ASPOSECPP_SHARED_API void | Unlock () |
Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. More... | |
virtual ASPOSECPP_SHARED_API bool | Equals (ptr obj) |
Compares objects using C# Object.Equals semantics. More... | |
virtual ASPOSECPP_SHARED_API int32_t | GetHashCode () const |
Analog of C# Object.GetHashCode() method. Enables hashing of custom objects. More... | |
virtual ASPOSECPP_SHARED_API String | ToString () const |
Analog of C# Object.ToString() method. Enables converting custom objects to string. More... | |
virtual ASPOSECPP_SHARED_API ptr | MemberwiseClone () const |
Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. More... | |
virtual ASPOSECPP_SHARED_API const TypeInfo & | GetType () const |
Gets actual type of object. Analog of C# System.Object.GetType() call. More... | |
virtual ASPOSECPP_SHARED_API bool | Is (const TypeInfo &targetType) const |
Check if object represents an instance of type described by targetType. Analog of C# 'is' operator. More... | |
virtual ASPOSECPP_SHARED_API void | SetTemplateWeakPtr (uint32_t argument) |
Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More... | |
virtual ASPOSECPP_SHARED_API bool | FastCast (const Details::FastRttiBase &helper, void **out_ptr) const |
For internal purposes only. More... | |
template<> | |
bool | Equals (float const &objA, float const &objB) |
template<> | |
bool | Equals (double const &objA, double const &objB) |
template<> | |
bool | ReferenceEquals (String const &str, std::nullptr_t) |
template<> | |
bool | ReferenceEquals (String const &str1, String const &str2) |
Static Public Member Functions | |
static ASPOSECPP_SHARED_API SharedPtr< Image > | FromStream (const SharedPtr< System::IO::Stream > &stream, bool use_embedded_color_management=false, bool validate_image_data=true) |
static ASPOSECPP_SHARED_API SharedPtr< Image > | FromFile (const String &filename, bool use_embedded_color_management=false) |
static ASPOSECPP_SHARED_API bool | IsAlphaPixelFormat (Imaging::PixelFormat pixfmt) |
static ASPOSECPP_SHARED_API int | GetPixelFormatSize (Imaging::PixelFormat pixfmt) |
static ASPOSECPP_SHARED_API SharedPtr< Bitmap > | FromHbitmap (IntPtr hbitmap) |
Static Public Member Functions inherited from System::Object | |
static bool | ReferenceEquals (ptr const &objA, ptr const &objB) |
Compares objects by reference. More... | |
template<typename T > | |
static std::enable_if<!IsSmartPtr< T >::value, bool >::type | ReferenceEquals (T const &objA, T const &objB) |
Compares objects by reference. More... | |
template<typename T > | |
static std::enable_if<!IsSmartPtr< T >::value, bool >::type | ReferenceEquals (T const &objA, std::nullptr_t) |
Reference-compares value type object with nullptr. More... | |
template<typename T1 , typename T2 > | |
static std::enable_if< IsSmartPtr< T1 >::value &&IsSmartPtr< T2 >::value, bool >::type | Equals (T1 const &objA, T2 const &objB) |
Compares reference type objects in C# style. More... | |
template<typename T1 , typename T2 > | |
static std::enable_if<!IsSmartPtr< T1 >::value &&!IsSmartPtr< T2 >::value, bool >::type | Equals (T1 const &objA, T2 const &objB) |
Compares value type objects in C# style. More... | |
static const TypeInfo & | Type () |
Implements C# typeof(System.Object) construct. More... | |
Protected Member Functions | |
virtual ASPOSECPP_SHARED_API std::unique_ptr< SkCanvas > | GetDrawingCanvas () const =0 |
Returns the drawing canvas object. More... | |
virtual ASPOSECPP_SHARED_API sk_sp< SkData > | GetRawBytes (SkEncodedImageFormat encoder_type, int quality)=0 |
ASPOSECPP_SHARED_API void | InternalSave (const SharedPtr< System::IO::Stream > &stream, SkEncodedImageFormat encoder_type, Imaging::EncoderValue encoder_value=Imaging::EncoderValue::CompressionLZW, int pixel_format=32, int quality=s_default_save_quality) |
void | InternalSave (const SharedPtr< IO::Stream > &stream, SkEncodedImageFormat encoder_type, const SaveOptions &options) |
void | InternalSavePage (const SkBitmap *bitmap, const SaveOptions &options) |
ASPOSECPP_SHARED_API SkEncodedImageFormat | CheckOutputFormat (const Imaging::ImageFormatPtr &image_format) const |
virtual ASPOSECPP_SHARED_API const SkEncodedImageFormat | GetSkEncodedFormat () const =0 |
Returns an underlying SkEncodedFormat object. More... | |
virtual ASPOSECPP_SHARED_API Imaging::PixelFormat | GetOriginalFormat () const =0 |
Returns the original image format. More... | |
virtual void | Draw (SkCanvas *sk_canvas, const SkRect &dest_rect, const SkRect &src_rect, SkMatrix *matrix, SkFilterQuality quality, SkBlendMode blend_mode) const =0 |
virtual void | Draw (SkCanvas *sk_canvas, const SkRect &dest_rect, SkMatrix *matrix, SkFilterQuality quality, SkBlendMode blend_mode) const =0 |
virtual void | Draw (SkCanvas *sk_canvas, ArrayPtr< PointF > dest_points, const SkRect &src_rect, SkMatrix *matrix, SkFilterQuality quality, SkBlendMode blend_mode) const =0 |
virtual void | Draw (SkCanvas *sk_canvas, const System::Details::ArrayView< PointF > &dest_points, const SkRect &src_rect, SkMatrix *matrix, SkFilterQuality quality, SkBlendMode blend_mode) const =0 |
Static Protected Member Functions | |
static SkBitmap | ConvertToGrayscale (const SkBitmap &src_bitmap) |
Converts 32bpp image to 8bpp grayscale image. More... | |
static SaveOptions | ParseEncoderParameters (const Imaging::EncoderParametersPtr &encoder_params) |
static ASPOSECPP_SHARED_API SkEncodedImageFormat | CheckOutputFormat (const Imaging::ImageCodecInfoPtr &encoder) |
static ASPOSECPP_SHARED_API SkEncodedImageFormat | CheckOutputFormat (SkEncodedImageFormat encoded_format) |
static ASPOSECPP_SHARED_API bool | IsWmf (const System::SharedPtr< System::IO::Stream > &stream) |
static ASPOSECPP_SHARED_API bool | IsEmf (const System::SharedPtr< System::IO::Stream > &stream) |
Protected Attributes | |
Imaging::ColorPalettePtr | m_palette |
The color palette used by the image represented by the current object. More... | |
float | m_horizontal_resolution = 96.f |
The horizontal resolution of the image represented by the current object in pixels per inch. More... | |
float | m_vertical_resolution = 96.f |
The vertical resolution of the image represented by the current object in pixels per inch. More... | |
Static Protected Attributes | |
static const int | s_default_save_quality = 80 |
Default quality level used when encoding an image. More... | |
A base class for System::Drawing::Bitmap and System::Drawing::Metafile classes providing basic functionality. Objects of this class should only be allocated using System::MakeObject() function. Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. Always wrap this class into System::SmartPtr pointer and use this pointer to pass it to functions as argument.
using System::Drawing::Image::GetThumbnailImageAbort = System::MulticastDelegate<bool()> |
A callback to cancel GetThumbnailImage execution.
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protected |
Checks if the specified image format is supported and returns a SkEncodedFormat value that represents the specified image format.
image_format | The format to check |
image_format
specifies System::Runtime::InteropServices::ExternalException | If the specified format is not supported |
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staticprotected |
Checks if the specified encoder is supported and returns a SkEncodedFormat value that represents an image format of the specified encoder.
encoder | The ImageCodecInfo object that represents the encoder to check |
encoder's
image format System::Runtime::InteropServices::ExternalException | If the specified encoder is not supported |
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staticprotected |
Checks if the specified format is among supported.
encoded_format | The format to check |
encoded_format
value if it is among supported formats System::Runtime::InteropServices::ExternalException | If the specified format is not supported |
Creates a copy of the current object.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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staticprotected |
Converts 32bpp image to 8bpp grayscale image.
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inlineoverridevirtual |
Releases all resources aquired by the current object.
Reimplemented from System::IDisposable.
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protectedpure virtual |
Draws the specified region of the image to the specified region on the specified canvas. The source bitmap region is scaled and translated to fill the destination region.
sk_canvas | The canvas to draw on |
dest_rect | The rectangle on the canvas to draw to |
src_rect | The rectangle specifying the portion of the image to draw |
matrix | The matrix that specifies how to traslate and scale the source image region |
quality | The quality of image interpolation |
blend_mode | Specifies how the source colors are combined with the background colors |
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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protectedpure virtual |
Draws the the image to the specified region on the specified canvas. The source image is scaled and translated to fill the destination region.
sk_canvas | The canvas to draw on |
dest_rect | The rectangle in the canvas to draw to |
matrix | The matrix that specifies how to traslate and scale the source image region |
quality | The quality of image interpolation |
blend_mode | Specifies how the source colors are combined with the background colors |
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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protectedpure virtual |
Draws the specified region of the image to the specified region on the specified canvas. The source bitmap region is scaled and translated to fill the destination region.
sk_canvas | The canvas to draw on |
dest_points | Array of 3 PointF objects representing points that define the rectangular region on the canvas to draw to |
src_rect | The rectangle specifying the portion of the image to draw |
matrix | The matrix that specifies how to traslate and scale the source image region |
quality | The quality of image interpolation |
blend_mode | Specifies how the source colors are combined with the background colors |
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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protectedpure virtual |
Draws the specified region of the image to the specified region on the specified canvas. The source bitmap region is scaled and translated to fill the destination region.
sk_canvas | The canvas to draw on |
dest_points | ArrayView of 3 PointF objects representing points that define the rectangular region on the canvas to draw to |
src_rect | The rectangle specifying the portion of the image to draw |
matrix | The matrix that specifies how to traslate and scale the source image region |
quality | The quality of image interpolation |
blend_mode | Specifies how the source colors are combined with the background colors |
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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static |
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virtual |
Returns a bit-wise combination of ImageFlags enum values that represents the attributes of the image.
Returns an array of GUIDs that represent the dimensions of frames within the image represented by the current object.
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pure virtual |
Returns the height of the image in pixels.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
ASPOSECPP_SHARED_API float System::Drawing::Image::get_HorizontalResolution | ( | ) | const |
Returns the horizontal resolution of the image represented by the current object in pixels per inch.
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virtual |
Returns the color palette used by the image represented by the current object.
Reimplemented in System::Drawing::Bitmap.
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pure virtual |
Returns the pixel format of the image represented by the current object.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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virtual |
Gets IDs of the property items stored in this image.
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virtual |
Gets all the property items(pieces of metadata) stored in this image.
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pure virtual |
Returns the file format of the image represented by the current object.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
ASPOSECPP_SHARED_API Size System::Drawing::Image::get_Size | ( | ) | const |
Returns a Size object that represents the width and height of the image in pixels.
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virtual |
Gets an object that provides additional data about the image.
ASPOSECPP_SHARED_API float System::Drawing::Image::get_VerticalResolution | ( | ) | const |
Returns the vertical resolution of the image represented by the current object in pixels per inch.
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pure virtual |
Returns the width of the image in pixels.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
ASPOSECPP_SHARED_API RectangleF System::Drawing::Image::GetBounds | ( | GraphicsUnit & | page_unit | ) |
Returns the image bounds in the specified measurement units.
page_unit | Measurement unit |
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protectedpure virtual |
Returns the drawing canvas object.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
ASPOSECPP_SHARED_API int System::Drawing::Image::GetFrameCount | ( | const Imaging::FrameDimensionPtr & | dimension | ) |
Returns the number of frames of the specified frame dimension.
dimension | A frame dimension |
dimension
frame dimension.
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protectedpure virtual |
Returns the original image format.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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static |
Returns the number of bits used to represent the color depth in the specified pixel format.
pixfmt | A pixel format for which to determine the size |
pixfmt
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protectedpure virtual |
Saves an image represented by the current object in the specified format using the specified image quality level setting when encoding the image to the momory buffer.
encoder_type | The image format to save the image in |
quality | The quality level setting used when encoding the image |
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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pure virtual |
Returns an underlying SkBitmap object.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
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protectedpure virtual |
Returns an underlying SkEncodedFormat object.
Implemented in System::Drawing::Bitmap, and System::Drawing::Imaging::Metafile.
ASPOSECPP_SHARED_API SharedPtr<Image> System::Drawing::Image::GetThumbnailImage | ( | int | thumbWidth, |
int | thumbHeight, | ||
Image::GetThumbnailImageAbort | callback, | ||
IntPtr | callbackData | ||
) |
Gets a thumbnail for this System::Drawing::Image object.
thumbWidth | A width of thumbnail |
thumbHeight | A heigth of thumbnail |
callback | Ignored |
callbackData | Ignored |
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protected |
Saves the image represented by the current object to the specified stream in the specified format.
stream | A stream to save the image to |
encoder_type | A format to save the image in |
encoder_value | The parameter value passed to TIFF image encoder |
pixel_format | The parameter value passed to TIFF image encoder |
quality | The quality to save the image in; is used only if encoder_type format supports this setting |
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protected |
Saves the image represented by the current object to the specified stream in the specified format.
stream | A stream to save the image to |
encoder_type | A format to save the image in |
options | The options used to save the image in; is used only if encoder_type format supports this options |
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protected |
Saves the bitmap as a part of a multipage image
bitmap | The bitmap to save |
options | The options used to save the bitmap |
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static |
Determines if the specified pixel format contains alpha information.
pixfmt | A pixel format to test |
pixfmt
contains alpha information, otherwise - false
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staticprotected |
Determines if the data in the specified stream starts with the EMF format marker.
stream | The stream containing the data to check |
stream
begins with EMF format marker, otherwise - false
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virtual |
Returns whether the original format is a multi-image.
Reimplemented in System::Drawing::Bitmap.
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staticprotected |
Determines if the data in the specified stream starts with the WMF format marker.
stream | The stream containing the data to check |
stream
begins with WMF format marker, otherwise - false
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staticprotected |
Converts a set of encoder parameters into a SaveOptions structure
encoder_params | The parameters of the encoder |
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virtual |
Rotate image to multiple of 90 degrees and flip.
rotate_flip_type | Type of rotation and flip. |
Reimplemented in System::Drawing::Bitmap.
ASPOSECPP_SHARED_API void System::Drawing::Image::Save | ( | const String & | filename | ) |
Saves the image represented by the current object to the specified file in PNG format.
filename | The name of the file to save the image to |
ASPOSECPP_SHARED_API void System::Drawing::Image::Save | ( | const String & | filename, |
const Imaging::ImageFormatPtr & | format | ||
) |
Saves the image represented by the current object to the specified file in the specified format.
filename | The name of the file to save the image to |
format | A format to save the image in |
ASPOSECPP_SHARED_API void System::Drawing::Image::Save | ( | const SharedPtr< System::IO::Stream > & | stream, |
const Imaging::ImageFormatPtr & | format | ||
) |
Saves the image represented by the current object to the specified stream in the specified format.
stream | A stream to save the image to |
format | A format to save the image in |
ASPOSECPP_SHARED_API void System::Drawing::Image::Save | ( | const String & | filename, |
const Imaging::ImageCodecInfoPtr & | encoder, | ||
const Imaging::EncoderParametersPtr & | encoder_params | ||
) |
Saves the image represented by the current object to the specified file using the specified encoder and encoder parameters.
filename | The name of the file to save the image to |
encoder | The encoder to use |
encoder_params | The parameters of the encoder to use |
ASPOSECPP_SHARED_API void System::Drawing::Image::Save | ( | const SharedPtr< System::IO::Stream > & | stream, |
const Imaging::ImageCodecInfoPtr & | encoder, | ||
const Imaging::EncoderParametersPtr & | encoder_params | ||
) |
Saves the image represented by the current object to the specified stream using the specified encoder and encoder parameters.
stream | A stream to save the image to |
encoder | The encoder to use |
encoder_params | The parameters of the encoder to used |
ASPOSECPP_SHARED_API void System::Drawing::Image::SaveAdd | ( | const Imaging::EncoderParametersPtr & | encoder_params | ) |
Adds a frame to the file or stream specified in a previous call to the Save() method.
encoder_params | The parameters of the encoder to use |
ASPOSECPP_SHARED_API void System::Drawing::Image::SaveAdd | ( | const SharedPtr< Image > & | image, |
const Imaging::EncoderParametersPtr & | encoder_params | ||
) |
ASPOSECPP_SHARED_API int System::Drawing::Image::SelectActiveFrame | ( | const Imaging::FrameDimensionPtr & | dimension, |
int | frameIndex | ||
) |
Selects the specified frame.
dimension | The dimension of the frame to select |
frameIndex | The index of the frame to select returns Always 0 |
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virtual |
Sets the color palette used by the image represented by the current object.
value | The value to set |
Reimplemented in System::Drawing::Bitmap.
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virtual |
Sets an object that provides additional data about the image.
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protected |
The horizontal resolution of the image represented by the current object in pixels per inch.
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protected |
The color palette used by the image represented by the current object.
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protected |
The vertical resolution of the image represented by the current object in pixels per inch.
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staticprotected |
Default quality level used when encoding an image.