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iimage_api.h
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1/***************************************************************************************************
2 * Copyright 2025 NVIDIA Corporation. All rights reserved.
3 **************************************************************************************************/
6
7#ifndef MI_NEURAYLIB_IIMAGE_API_H
8#define MI_NEURAYLIB_IIMAGE_API_H
9
11#include <mi/neuraylib/version.h> // for MI_NEURAYLIB_DEPRECATED_ENUM_VALUE
12
13namespace mi {
14
15class IArray;
16class IMap;
17
18namespace neuraylib {
19
20class IBuffer;
21class ICanvas;
22class ICanvas_cuda;
23class IReader;
24class ITile;
25
70class IImage_api : public
71 mi::base::Interface_declare<0x4c25a4f0,0x2bac,0x4ce6,0xb0,0xab,0x4d,0x94,0xbf,0xfd,0x97,0xa5>
72{
73public:
75
76
92 const char* pixel_type,
93 Uint32 width,
94 Uint32 height) const = 0;
95
115 const char* pixel_type,
116 Uint32 width,
117 Uint32 height,
118 Uint32 layers = 1,
119 bool is_cubemap = false,
120 Float32 gamma = 0.0f) const = 0;
121
122#ifndef MI_SKIP_WITH_MDL_SDK_DOXYGEN
141#else // MI_SKIP_WITH_MDL_SDK_DOXYGEN
146#endif // MI_SKIP_WITH_MDL_SDK_DOXYGEN
147 virtual ICanvas_cuda* create_canvas_cuda(
148 Sint32 cuda_device_id,
149 const char* pixel_type,
150 Uint32 width,
151 Uint32 height,
152 Uint32 layers = 1,
153 Float32 gamma = 0.0f) const = 0;
154
167 const ICanvas* canvas, Float32 gamma_override = 0.0f) const = 0;
168
170 virtual ITile* clone_tile( const ITile* tile) const = 0;
171
173 virtual ICanvas* clone_canvas( const ICanvas* canvas) const = 0;
174
176
178
205 Uint32 width,
206 Uint32 height,
207 const ICanvas* canvas,
208 Uint32 canvas_x,
209 Uint32 canvas_y,
210 Uint32 canvas_layer,
211 void* buffer,
212 bool buffer_topdown,
213 const char* buffer_pixel_type,
214 Uint32 buffer_padding = 0) const = 0;
215
242 Uint32 width,
243 Uint32 height,
244 ICanvas* canvas,
245 Uint32 canvas_x,
246 Uint32 canvas_y,
247 Uint32 canvas_layer,
248 const void* buffer,
249 bool buffer_topdown,
250 const char* buffer_pixel_type,
251 Uint32 buffer_padding = 0) const = 0;
252
254
256
271 const ICanvas* canvas,
272 const char* image_format,
273 const char* pixel_type,
274 const IMap* export_options = nullptr) const = 0;
275
287 const IBuffer* buffer, const char* image_format, const char* selector = nullptr) const = 0;
288
301 IReader* reader, const char* image_format, const char* selector = nullptr) const = 0;
302
319 const char* image_format, IReader* reader = nullptr) const = 0;
320
334 virtual bool supports_format_for_encoding( const char* image_format) const = 0;
335
337
339
355 virtual ITile* convert( const ITile* tile, const char* pixel_type) const = 0;
356
392 virtual ICanvas* convert( const ICanvas* canvas, const char* pixel_type) const = 0;
393
405 virtual void adjust_gamma( ITile* tile, Float32 old_gamma, Float32 new_gamma) const = 0;
406
417 virtual void adjust_gamma( ICanvas* canvas, Float32 new_gamma) const = 0;
418
420
422
429 virtual Uint32 get_components_per_pixel( const char* pixel_type) const = 0;
430
437 virtual Uint32 get_bytes_per_component( const char* pixel_type) const = 0;
438
440
442
455 virtual const char* get_pixel_type_for_channel(
456 const char* pixel_type, const char* selector) const = 0;
457
464 virtual ICanvas* extract_channel( const ICanvas* canvas, const char* selector) const = 0;
465
472 virtual ITile* extract_channel( const ITile* tile, const char* selector) const = 0;
473
475
476 virtual IBuffer* deprecated_create_buffer_from_canvas(
477 const ICanvas* canvas,
478 const char* image_format,
479 const char* pixel_type,
480 const char* quality,
481 bool force_default_gamma) const = 0;
482
483#ifdef MI_NEURAYLIB_DEPRECATED_15_0
485 const ICanvas* canvas,
486 const char* image_format,
487 const char* pixel_type,
488 const char* quality,
489 bool force_default_gamma = false) const
490 {
491 return deprecated_create_buffer_from_canvas(
492 canvas, image_format, pixel_type, quality, force_default_gamma);
493 }
494#endif
495};
496 // end group mi_neuray_rendering / mi_neuray_rtmp
498
499} // namespace neuraylib
500
501} // namespace mi
502
503#endif // MI_NEURAYLIB_IIMAGE_API_H
This interface represents static arrays, i.e., arrays with a fixed number of elements.
Definition: iarray.h:37
This interface represents maps, i.e., a key-value based data structure.
Definition: imap.h:41
Mixin class template for deriving new interface declarations.
Definition: interface_declare.h:43
Abstract interface for a simple buffer with binary data.
Definition: ibuffer.h:25
Abstract interface for a canvas represented by a rectangular array of tiles.
Definition: icanvas.h:89
This interface provides various utilities related to canvases and buffers.
Definition: iimage_api.h:72
virtual ICanvas * clone_canvas(const ICanvas *canvas) const =0
Creates a (deep) copy of the passed canvas.
virtual ITile * create_tile(const char *pixel_type, Uint32 width, Uint32 height) const =0
Creates a tile with given pixel type, width, and height.
virtual const char * get_pixel_type_for_channel(const char *pixel_type, const char *selector) const =0
Returns the pixel type of an RGBA channel.
virtual ITile * clone_tile(const ITile *tile) const =0
Creates a copy of the passed tile.
virtual ICanvas * create_canvas(const char *pixel_type, Uint32 width, Uint32 height, Uint32 layers=1, bool is_cubemap=false, Float32 gamma=0.0f) const =0
Creates a canvas with given pixel type, resolution, and layers.
virtual bool supports_format_for_decoding(const char *image_format, IReader *reader=nullptr) const =0
Indicates whether a particular image format is supported for decoding.
virtual ITile * extract_channel(const ITile *tile, const char *selector) const =0
Extracts an RGBA channel from a tile.
virtual ICanvas * extract_channel(const ICanvas *canvas, const char *selector) const =0
Extracts an RGBA channel from a canvas.
virtual ITile * convert(const ITile *tile, const char *pixel_type) const =0
Converts a tile to a different pixel type.
virtual bool supports_format_for_encoding(const char *image_format) const =0
Indicates whether a particular image format is supported for encoding.
virtual Sint32 write_raw_pixels(Uint32 width, Uint32 height, ICanvas *canvas, Uint32 canvas_x, Uint32 canvas_y, Uint32 canvas_layer, const void *buffer, bool buffer_topdown, const char *buffer_pixel_type, Uint32 buffer_padding=0) const =0
Writes raw pixel data to a canvas.
virtual ICanvas * convert(const ICanvas *canvas, const char *pixel_type) const =0
Converts a canvas to a different pixel type.
virtual void adjust_gamma(ITile *tile, Float32 old_gamma, Float32 new_gamma) const =0
Sets the gamma value of a tile and adjusts the pixel data accordingly.
virtual Uint32 get_bytes_per_component(const char *pixel_type) const =0
Returns the number of bytes used per pixel component.
virtual Uint32 get_components_per_pixel(const char *pixel_type) const =0
Returns the number of components per pixel type.
virtual IArray * create_mipmap(const ICanvas *canvas, Float32 gamma_override=0.0f) const =0
Creates a mipmap from the given canvas.
virtual Sint32 read_raw_pixels(Uint32 width, Uint32 height, const ICanvas *canvas, Uint32 canvas_x, Uint32 canvas_y, Uint32 canvas_layer, void *buffer, bool buffer_topdown, const char *buffer_pixel_type, Uint32 buffer_padding=0) const =0
Reads raw pixel data from a canvas.
virtual ICanvas * create_canvas_from_reader(IReader *reader, const char *image_format, const char *selector=nullptr) const =0
Decodes the pixel data from a reader into a canvas.
virtual ICanvas_cuda * create_canvas_cuda(Sint32 cuda_device_id, const char *pixel_type, Uint32 width, Uint32 height, Uint32 layers=1, Float32 gamma=0.0f) const =0
Unused.
virtual void adjust_gamma(ICanvas *canvas, Float32 new_gamma) const =0
Sets the gamma value of a canvas and adjusts the pixel data accordingly.
virtual IBuffer * create_buffer_from_canvas(const ICanvas *canvas, const char *image_format, const char *pixel_type, const IMap *export_options=nullptr) const =0
Encodes the pixel data of a canvas into a memory buffer.
virtual ICanvas * create_canvas_from_buffer(const IBuffer *buffer, const char *image_format, const char *selector=nullptr) const =0
Decodes the pixel data of a memory buffer into a canvas.
A reader supports binary block reads and string-oriented line reads that zero-terminate the result.
Definition: ireader.h:27
Abstract interface for a tile.
Definition: itile.h:36
int Sint32
32-bit signed integer.
Definition: types.h:46
float Float32
32-bit float.
Definition: types.h:51
unsigned int Uint32
32-bit unsigned integer.
Definition: types.h:49
Mixin class template for deriving new interface declarations.
Common namespace for APIs of NVIDIA Advanced Rendering Center GmbH.
Definition: example_derivatives.dox:5
Major and minor version number and an optional qualifier.