Unigine::ImageConverter Class

ImageConverter Class

Enums

MIPMAPS_MODE#

Name	说明/描 述
MIPMAPS_MODE_DISABLE = 0	Mipmaps are not generated.
MIPMAPS_MODE_POINT = 1	Point filtering method is used at mipmap generation.
MIPMAPS_MODE_LINEAR = 2	Linear filtering method is used at mipmap generation.
MIPMAPS_MODE_BLUR = 3	Blurring is applied at mipmap generation.
MIPMAPS_MODE_SHARPEN = 4	Sharpening is applied at mipmap generation.
MIPMAPS_MODE_COMBINED = 5	Combination of the loaded 2D image with the most detailed mipmap image.
MIPMAPS_MODE_GGX = 6	Generation of mipmaps for cubemap images (IMAGE_CUBE or IMAGE_CUBE_ARRAY) using GGX BRDF microfacet model.

RESOLUTION_MODE#

Name	说明/描 述
RESOLUTION_MODE_AUTO = 0	Resolution set by the converter depending on the image format (for example, the 2D image is converted to 2D array / 3D image).
RESOLUTION_MODE_ORIGINAL = 1	Resolution of the original image.
RESOLUTION_MODE_MANUAL = 2	Resolution set manually in the converter.

COMPRESSION_QUALITY#

Name	说明/描 述
COMPRESSION_QUALITY_LOW = 0	Low quality of compression.
COMPRESSION_QUALITY_HIGH = 1	High quality of compression.

RESIZE_FILTER#

Name	说明/描 述
RESIZE_FILTER_POINT = 0	Point filtering method used for resizing.
RESIZE_FILTER_LINEAR = 1	Linear filtering method used for resizing.
RESIZE_FILTER_MIN = 2	Minimum filtering method used for resizing.

RANGE_MODE#

Name	说明/描 述
RANGE_MODE_DISABLE = 0	Image values are not normalized.
RANGE_MODE_NORMALIZE = 1	Values in all channels of the image are normalized altogeter to the values from 0 to 1 (i.e. overall brightness of the image). Recommended to be used for colors.
RANGE_MODE_NORMALIZE_PER_CHANNEL = 2	Normalization to the values from 0 to 1 is performed for each channel of the image separately.
RANGE_MODE_MANUAL = 3	Normalization to manually set values is performed.

Members

void setType ( int type ) #

Arguments

• int type - The numerical code of the image type: 0 for a 2D image, 1 for a 3D image, 2 for a cube image, 3 for a 2D Array. See the Unigine::Image:: Enumeration with IMAGE_* prefixes.

int getType() const#

Return value

Current numerical code of the image type: 0 for a 2D image, 1 for a 3D image, 2 for a cube image, 3 for a 2D Array. See the Unigine::Image:: Enumeration with IMAGE_* prefixes.

void setFormat ( int format ) #

Arguments

• int format - The numerical code of the image format. See the FORMAT_* variables.

int getFormat() const#

Return value

Current numerical code of the image format. See the FORMAT_* variables.

void setResolutionMode ( ImageConverter::RESOLUTION_MODE mode ) #

Arguments

• ImageConverter::RESOLUTION_MODE mode - The resolution mode to be used for the image. One of the RESOLUTION_MODE values.

ImageConverter::RESOLUTION_MODE getResolutionMode() const#

Return value

Current The resolution mode to be used for the image. One of the RESOLUTION_MODE values.

void setResizeFilter ( ImageConverter::RESIZE_FILTER filter ) #

Arguments

• ImageConverter::RESIZE_FILTER filter - The resize filter to be used for the image. One of the RESIZE_FILTER values.

ImageConverter::RESIZE_FILTER getResizeFilter() const#

Return value

Current The resize filter to be used for the image. One of the RESIZE_FILTER values.

void setWidth ( int width ) #

Arguments

• int width - The image width, in pixels.

int getWidth() const#

Return value

Current image width, in pixels.

void setHeight ( int height ) #

Arguments

• int height - The image height, in pixels.

int getHeight() const#

Return value

Current image height, in pixels.

void setDepth ( int depth ) #

Arguments

• int depth - The image depth, in pixels.

int getDepth() const#

Return value

Current image depth, in pixels.

void setFileCompression ( Image::FILE_COMPRESSION compression ) #

Arguments

• Image::FILE_COMPRESSION compression - The file compression type to be used for the image. One of the FILE_COMPRESSION_* values.

Image::FILE_COMPRESSION getFileCompression() const#

Return value

Current file compression type to be used for the image. One of the FILE_COMPRESSION_* values.

void setCompressionQuality ( ImageConverter::COMPRESSION_QUALITY quality ) #

Arguments

• ImageConverter::COMPRESSION_QUALITY quality - The compression quality to be used for the image. One of the COMPRESSION_QUALITY_* values.

ImageConverter::COMPRESSION_QUALITY getCompressionQuality() const#

Return value

Current compression quality to be used for the image. One of the COMPRESSION_QUALITY_* values.

void setGPUCompression ( bool gpucompression ) #

Arguments

• bool gpucompression - Set true to enable image compression on GPU; false - to disable it.

bool isGPUCompression() const#

Return value

true if image compression on GPU is enabled; otherwise false.

void setMipmapsMode ( ImageConverter::MIPMAPS_MODE mode ) #

Arguments

• ImageConverter::MIPMAPS_MODE mode - The mipmaps mode to be used. One of the MIPMAPS_MODE_* values.

ImageConverter::MIPMAPS_MODE getMipmapsMode() const#

Return value

Current mipmaps mode to be used. One of the MIPMAPS_MODE_* values.

void setMipmapsGamma ( float gamma ) #

Arguments

• float gamma - The gamma correction value used for the mipmaps.

float getMipmapsGamma() const#

Return value

Current gamma correction value used for the mipmaps.

void setMipmapsFilterRadius ( float radius ) #

Arguments

• float radius - The filter radius value.

float getMipmapsFilterRadius() const#

Return value

Current filter radius value.

void setMipmapsFilterIntensity ( float intensity ) #

Arguments

• float intensity - The filter intensity value used for the mipmaps.

float getMipmapsFilterIntensity() const#

Return value

Current filter intensity value used for the mipmaps.

void setMipmapsSharpOnlyLightness ( bool lightness ) #

Arguments

• bool lightness - true to adjust sharpness of the lightness value only, false to sharpen all HSL values.

bool isMipmapsSharpOnlyLightness() const#

Return value

true to adjust sharpness of the lightness value only, false to sharpen all HSL values.

void setGGXMipmapsQuality ( Image::GGX_MIPMAPS_QUALITY quality ) #

Arguments

• Image::GGX_MIPMAPS_QUALITY quality - The quality of the GGX mipmaps for the cubemap image. One of the Image::GGX_MIPMAPS_QUALITY values.

Image::GGX_MIPMAPS_QUALITY getGGXMipmapsQuality() const#

Return value

Current quality of the GGX mipmaps for the cubemap image. One of the Image::GGX_MIPMAPS_QUALITY values.

void setRangeMode ( ImageConverter::RANGE_MODE mode ) #

Arguments

• ImageConverter::RANGE_MODE mode - The range mode to be applied at the image conversion. One of the RANGE_MODE_* values.

ImageConverter::RANGE_MODE getRangeMode() const#

Return value

Current range mode to be applied at the image conversion. One of the RANGE_MODE_* values.

void setFlipX ( bool x ) #

Arguments

• bool x - Set true to enable horizontal flipping of the image; false - to disable it.

bool isFlipX() const#

Return value

true if horizontal flipping of the image is enabled; otherwise false.

void setFlipY ( bool y ) #

Arguments

• bool y - Set true to enable vertical flipping of the image; false - to disable it.

bool isFlipY() const#

Return value

true if vertical flipping of the image is enabled; otherwise false.

void setBlur ( int blur ) #

Arguments

• int blur - The amount of blur in pixels.

int getBlur() const#

Return value

Current amount of blur in pixels.

void setRotate ( int rotate ) #

Arguments

• int rotate - The rotation angle, clock-wise.

int getRotate() const#

Return value

Current rotation angle, clock-wise.

---

ImageConverter ( ) #

Default constructor. An empty instance with default parameters is created.

ImageConverter ( const Ptr<ImageConverter> & imageconverter ) #

Constructor. Creates an image converter by copying a given source image converter.

Arguments

• const Ptr<ImageConverter> & imageconverter - Source image converter.

void setRange ( int channel, const Math::dvec4 & value ) #

Sets the range to be applied at the image conversion.

Arguments

• int channel - Number of the channel to be inverted, in the range from 0 to the total number of channels.
• const Math::dvec4 & value - Range values: x and y coordinates of the value specify the original range, z and w specify the range to which the image will be converted.

Math::dvec4 getRange ( int channel ) const#

Returns the range to be applied at the image conversion.

Arguments

• int channel - Number of the channel to be inverted, in the range from 0 to the total number of channels.

Return value

Range values: x and y coordinates of the value specify the original range, z and w specify the range to which the image will be converted.

bool getInvertChannel ( int channel ) #

Returns the value indicating if the channel needs to be inverted.

Arguments

• int channel - The number of the channel to be inverted, in the range from 0 to the total number of channels.

Return value

true if the channel needs to be inverted; otherwise, false.

void setInvertChannel ( int channel, bool value ) #

Inverts the values stored in the specified channel. Channels of images of half (FORMAT_R16F to FORMAT_RGBA16F) and float (FORMAT_R32F to FORMAT_RGBA32F) formats cannot be inverted.

Arguments

• int channel - The number of the channel to be inverted, in the range from 0 to the total number of channels.
• bool value - true if the channel needs to be inverted; otherwise, false.

void reset ( ) #

Sets the converter to the default values.

void copy ( Ptr<ImageConverter> & converter ) const#

Copies data from the specified source converter.

Arguments

• Ptr<ImageConverter> & converter - The source converter.

Ptr<ImageConverter> clone ( ) const#

Creates a clone of the specified source converter.

Return value

The converter to be cloned.

bool load ( const char * path ) #

Loads the image converter settings on the disk using the specified path.

Arguments

• const char * path - The path to the file with the image converter settings.

Return value

true if the image converter settings are loaded successfully; otherwise, false.

void load ( const Ptr<Json> & json ) #

Loads the .json object with the image converter settings.

Arguments

• const Ptr<Json> & json - The object with the image converter settings.

bool save ( const char * path ) const#

Saves image converter settings on the disk to the specified location.

Arguments

• const char * path - The path to the file to store the image converter settings.

Return value

true if the image converter settings are saved successfully; otherwise, false.

void save ( const Ptr<Json> & json ) const#

Saves image converter settings to the specified .json object.

Arguments

• const Ptr<Json> & json - The object with the image converter settings.

void updateParameters ( const Ptr<Image> & image ) #

Validates the parameters of the image converter for the specified image. This method allows checking the resulting parameters before converting the image.

Arguments

• const Ptr<Image> & image - The image to be converted.

bool runCpu ( Ptr<Image> & image ) #

Runs the image converter on CPU.

Arguments

• Ptr<Image> & image - The image to be converted.

Return value

true if the image has been converted successfully; otherwise, false.

bool run ( CallbackBase1<Ptr<Image>> * on_converted, const Ptr<Image> & image ) #

Runs the image converter.

Arguments

• CallbackBase1<Ptr<Image>> * on_converted - Callback to be fired after image conversion.
• const Ptr<Image> & image - Image to be converted.

Return value

true if the image has been converted successfully; otherwise, false.