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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "NOD_type_conversions.hh"
#include "FN_multi_function_builder.hh"
#include "BLI_color.hh"
#include "BLI_float2.hh"
#include "BLI_float3.hh"
namespace blender::nodes {
using fn::MFDataType;
template<typename From, typename To, To (*ConversionF)(const From &)>
static void add_implicit_conversion(DataTypeConversions &conversions)
{
const CPPType &from_type = CPPType::get<From>();
const CPPType &to_type = CPPType::get<To>();
const std::string conversion_name = from_type.name() + " to " + to_type.name();
static fn::CustomMF_SI_SO<From, To> multi_function{conversion_name, ConversionF};
static auto convert_single_to_initialized = [](const void *src, void *dst) {
*(To *)dst = ConversionF(*(const From *)src);
};
static auto convert_single_to_uninitialized = [](const void *src, void *dst) {
new (dst) To(ConversionF(*(const From *)src));
};
conversions.add(fn::MFDataType::ForSingle<From>(),
fn::MFDataType::ForSingle<To>(),
multi_function,
convert_single_to_initialized,
convert_single_to_uninitialized);
}
static float2 float_to_float2(const float &a)
{
return float2(a);
}
static float3 float_to_float3(const float &a)
{
return float3(a);
}
static int32_t float_to_int(const float &a)
{
return (int32_t)a;
}
static bool float_to_bool(const float &a)
{
return a > 0.0f;
}
static Color4f float_to_color(const float &a)
{
return Color4f(a, a, a, 1.0f);
}
static float3 float2_to_float3(const float2 &a)
{
return float3(a.x, a.y, 0.0f);
}
static float float2_to_float(const float2 &a)
{
return (a.x + a.y) / 2.0f;
}
static int float2_to_int(const float2 &a)
{
return (int32_t)((a.x + a.y) / 2.0f);
}
static bool float2_to_bool(const float2 &a)
{
return !is_zero_v2(a);
}
static Color4f float2_to_color(const float2 &a)
{
return Color4f(a.x, a.y, 0.0f, 1.0f);
}
static bool float3_to_bool(const float3 &a)
{
return !is_zero_v3(a);
}
static float float3_to_float(const float3 &a)
{
return (a.x + a.y + a.z) / 3.0f;
}
static int float3_to_int(const float3 &a)
{
return (int)((a.x + a.y + a.z) / 3.0f);
}
static float2 float3_to_float2(const float3 &a)
{
return float2(a);
}
static Color4f float3_to_color(const float3 &a)
{
return Color4f(a.x, a.y, a.z, 1.0f);
}
static bool int_to_bool(const int32_t &a)
{
return a > 0;
}
static float int_to_float(const int32_t &a)
{
return (float)a;
}
static float2 int_to_float2(const int32_t &a)
{
return float2((float)a);
}
static float3 int_to_float3(const int32_t &a)
{
return float3((float)a);
}
static Color4f int_to_color(const int32_t &a)
{
return Color4f((float)a, (float)a, (float)a, 1.0f);
}
static float bool_to_float(const bool &a)
{
return (bool)a;
}
static int32_t bool_to_int(const bool &a)
{
return (int32_t)a;
}
static float2 bool_to_float2(const bool &a)
{
return (a) ? float2(1.0f) : float2(0.0f);
}
static float3 bool_to_float3(const bool &a)
{
return (a) ? float3(1.0f) : float3(0.0f);
}
static Color4f bool_to_color(const bool &a)
{
return (a) ? Color4f(1.0f, 1.0f, 1.0f, 1.0f) : Color4f(0.0f, 0.0f, 0.0f, 1.0f);
}
static bool color_to_bool(const Color4f &a)
{
return rgb_to_grayscale(a) > 0.0f;
}
static float color_to_float(const Color4f &a)
{
return rgb_to_grayscale(a);
}
static int32_t color_to_int(const Color4f &a)
{
return (int)rgb_to_grayscale(a);
}
static float2 color_to_float2(const Color4f &a)
{
return float2(a.r, a.g);
}
static float3 color_to_float3(const Color4f &a)
{
return float3(a.r, a.g, a.b);
}
static DataTypeConversions create_implicit_conversions()
{
DataTypeConversions conversions;
add_implicit_conversion<float, float2, float_to_float2>(conversions);
add_implicit_conversion<float, float3, float_to_float3>(conversions);
add_implicit_conversion<float, int32_t, float_to_int>(conversions);
add_implicit_conversion<float, bool, float_to_bool>(conversions);
add_implicit_conversion<float, Color4f, float_to_color>(conversions);
add_implicit_conversion<float2, float3, float2_to_float3>(conversions);
add_implicit_conversion<float2, float, float2_to_float>(conversions);
add_implicit_conversion<float2, int32_t, float2_to_int>(conversions);
add_implicit_conversion<float2, bool, float2_to_bool>(conversions);
add_implicit_conversion<float2, Color4f, float2_to_color>(conversions);
add_implicit_conversion<float3, bool, float3_to_bool>(conversions);
add_implicit_conversion<float3, float, float3_to_float>(conversions);
add_implicit_conversion<float3, int32_t, float3_to_int>(conversions);
add_implicit_conversion<float3, float2, float3_to_float2>(conversions);
add_implicit_conversion<float3, Color4f, float3_to_color>(conversions);
add_implicit_conversion<int32_t, bool, int_to_bool>(conversions);
add_implicit_conversion<int32_t, float, int_to_float>(conversions);
add_implicit_conversion<int32_t, float2, int_to_float2>(conversions);
add_implicit_conversion<int32_t, float3, int_to_float3>(conversions);
add_implicit_conversion<int32_t, Color4f, int_to_color>(conversions);
add_implicit_conversion<bool, float, bool_to_float>(conversions);
add_implicit_conversion<bool, int32_t, bool_to_int>(conversions);
add_implicit_conversion<bool, float2, bool_to_float2>(conversions);
add_implicit_conversion<bool, float3, bool_to_float3>(conversions);
add_implicit_conversion<bool, Color4f, bool_to_color>(conversions);
add_implicit_conversion<Color4f, bool, color_to_bool>(conversions);
add_implicit_conversion<Color4f, float, color_to_float>(conversions);
add_implicit_conversion<Color4f, int32_t, color_to_int>(conversions);
add_implicit_conversion<Color4f, float2, color_to_float2>(conversions);
add_implicit_conversion<Color4f, float3, color_to_float3>(conversions);
return conversions;
}
const DataTypeConversions &get_implicit_type_conversions()
{
static const DataTypeConversions conversions = create_implicit_conversions();
return conversions;
}
void DataTypeConversions::convert_to_uninitialized(const CPPType &from_type,
const CPPType &to_type,
const void *from_value,
void *to_value) const
{
const ConversionFunctions *functions = this->get_conversion_functions(
MFDataType::ForSingle(from_type), MFDataType::ForSingle(to_type));
BLI_assert(functions != nullptr);
functions->convert_single_to_uninitialized(from_value, to_value);
}
} // namespace blender::nodes
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