COM_defines.h

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/* SPDX-FileCopyrightText: 2011 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_math_vector_types.hh"
 
#include "DNA_vec_types.h"
 
namespace blender::compositor {
 
using Size2f = float2;
 
enum class eDimension { X, Y };
 
enum class DataType {
  Value = 0,
  Vector = 1,
  Color = 2,
  Float2 = 3,
};
 
constexpr int COM_data_type_num_channels(const DataType datatype)
{
  switch (datatype) {
    case DataType::Value:
      return 1;
    case DataType::Float2:
      return 2;
    case DataType::Vector:
      return 3;
    case DataType::Color:
    default:
      return 4;
  }
}
 
constexpr int COM_data_type_bytes_len(DataType data_type)
{
  return COM_data_type_num_channels(data_type) * sizeof(float);
}
 
constexpr int COM_DATA_TYPE_VALUE_CHANNELS = COM_data_type_num_channels(DataType::Value);
constexpr int COM_DATA_TYPE_FLOAT2_CHANNELS = COM_data_type_num_channels(DataType::Float2);
constexpr int COM_DATA_TYPE_VECTOR_CHANNELS = COM_data_type_num_channels(DataType::Vector);
constexpr int COM_DATA_TYPE_COLOR_CHANNELS = COM_data_type_num_channels(DataType::Color);
 
constexpr float COM_COLOR_TRANSPARENT[4] = {0.0f, 0.0f, 0.0f, 0.0f};
constexpr float COM_FLOAT2_ZERO[2] = {0.0f, 0.0f};
constexpr float COM_VECTOR_ZERO[3] = {0.0f, 0.0f, 0.0f};
constexpr float COM_COLOR_BLACK[4] = {0.0f, 0.0f, 0.0f, 1.0f};
constexpr float COM_VALUE_ZERO[1] = {0.0f};
constexpr float COM_VALUE_ONE[1] = {1.0f};
 
constexpr DataType COM_num_channels_data_type(const int num_channels)
{
  switch (num_channels) {
    case 1:
      return DataType::Value;
    case 2:
      return DataType::Float2;
    case 3:
      return DataType::Vector;
    case 4:
    default:
      return DataType::Color;
  }
}
 
constexpr float COM_PREVIEW_SIZE = 140.f;
constexpr float COM_RULE_OF_THIRDS_DIVIDER = 100.0f;
constexpr float COM_BLUR_BOKEH_PIXELS = 512;
 
constexpr rcti COM_AREA_NONE = {0, 0, 0, 0};
constexpr rcti COM_CONSTANT_INPUT_AREA_OF_INTEREST = COM_AREA_NONE;
 
}  // namespace blender::compositor