Mike-Solar
edbd3913af
- copy engine/render to src/render/src (sunk param types excluded), de-Qt in five parallel groups: core machinery (tickets/worker pool/ jobs), caches, color/texture, preview/IPC, GPU backends - replace Qt GL/Vulkan wrappers with native context abstractions (CGL/EGL/WGL, raw vulkan.h), QProcess with POSIX WorkerProcess, QJsonObject with a minimal NDJSON-compatible workerjson (wire protocol unchanged), QDataStream disk state with a byte-compatible BinaryStream - signals become single std::function callbacks or facade-triggered calls per the documented signal/slot strategy - pure C ABI in include/render + src/render/c_api (renderer/cache/ color/manager families, OAKRENDER_E_* codes), 37 gtest cases - bridge src/node/transition/render/* stubs to the real oakrender headers, closing the node<->render cycle: liboaknode links liboakrender, zero dangling symbols - docs: M7 implementation status + oakrender semantic-change notes
139 lines
4.8 KiB
C
139 lines
4.8 KiB
C
/***
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Oak Video Editor - Non-Linear Video Editor
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Copyright (C) 2026 Oak Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef OAK_EDITOR_RENDER_COLOR_H
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#define OAK_EDITOR_RENDER_COLOR_H
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#include "error.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @file color.h
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* @brief C ABI for oakrender color processing (olive::ColorProcessor) and
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* the process-wide default OCIO config (olive::ColorManager
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* statics), M7 §2.3.
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*
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* An OakColorProcessor IS a wrapper allocation holding a
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* ColorProcessorPtr (ColorProcessor is shared_ptr-managed); release with
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* oakrender_color_processor_free(). NULL is accepted by every function
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* and yields a no-op / OAKRENDER_E_INVALID.
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*
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* Processors are built against the process-wide default OCIO config
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* (olive::ColorManager::get_default_config()): the $OCIO config when the
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* environment variable is set, otherwise the config extracted to the
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* user configuration location. oakrender_color_manager_set_up_default_config()
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* (re)builds it.
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*/
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/** Direction values for oakrender_color_processor_create(). */
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enum {
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OAKRENDER_COLOR_DIRECTION_NORMAL = 0,
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OAKRENDER_COLOR_DIRECTION_INVERSE = 1
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};
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typedef struct OakColorProcessor OakColorProcessor;
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/**
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* @brief Create a colorspace-to-colorspace processor on the default
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* OCIO config.
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*
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* @param src_space Source colorspace name (role names are resolved).
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* @param dst_transform Destination colorspace / output transform name.
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* @param direction OAKRENDER_COLOR_DIRECTION_NORMAL (src -> dst) or
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* OAKRENDER_COLOR_DIRECTION_INVERSE (dst -> src).
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*
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* OCIO failures are non-fatal (matching the C++ behavior): the handle is
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* still returned but oakrender_color_processor_is_valid() reports 0 and
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* conversions are pass-through.
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*
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* @return Processor handle, or NULL for NULL/empty strings, an unknown
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* direction, no default config, or allocation failure.
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*/
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OakColorProcessor *oakrender_color_processor_create(const char *src_space,
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const char *dst_transform,
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int direction);
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/** @brief Release a processor handle. NULL-safe no-op. */
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void oakrender_color_processor_free(OakColorProcessor *processor);
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/**
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* @brief 1 when the processor holds a valid OCIO processor
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* (ColorProcessor::get_processor() != null), 0 otherwise / on NULL.
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*/
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int oakrender_color_processor_is_valid(const OakColorProcessor *processor);
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/**
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* @brief Convert a single RGBA color (ColorProcessor::convert_color()).
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* On an invalid processor the input is copied through.
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*
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* @return OAKRENDER_OK, or OAKRENDER_E_INVALID for NULL arguments.
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*/
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int oakrender_color_processor_convert(OakColorProcessor *processor,
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double ir, double ig, double ib,
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double ia, double *out_r, double *out_g,
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double *out_b, double *out_a);
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/* ---- ColorManager statics ------------------------------------------------- */
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/**
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* @brief (Re)build the process-wide default OCIO config
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* (ColorManager::set_up_default_config()).
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*
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* @return OAKRENDER_OK, or OAKRENDER_E_FAILED when no config could be
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* created.
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*/
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int oakrender_color_manager_set_up_default_config(void);
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/**
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* @brief Describe the active default config: the $OCIO path when set,
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* otherwise the extracted default config's path. Two-stage string
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* getter: returns the required buffer size including NUL; pass
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* buf == NULL or too small a buffer to query the size.
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*
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* @return Required size (non-negative), or OAKRENDER_E_STATE when no
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* default config exists.
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*/
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int oakrender_color_manager_get_config(char *buf, int n);
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/**
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* @brief OCIO cache id of the display/view transform of the active
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* default config, computed from the config's reference colorspace
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* (a stable identifier usable as a conversion cache key).
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*
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* Two-stage string getter (same convention as
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* oakrender_color_manager_get_config()).
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*
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* @return Required size (non-negative), OAKRENDER_E_INVALID (NULL/empty
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* display or view), OAKRENDER_E_STATE (no default config), or
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* OAKRENDER_E_NOT_FOUND (unknown display/view).
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*/
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int oakrender_color_manager_display_transform(const char *display,
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const char *view, char *buf,
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int n);
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#ifdef __cplusplus
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}
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#endif
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#endif //OAK_EDITOR_RENDER_COLOR_H
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