Blender V4.3
Classes | Functions
blender::imbuf::transform Namespace Reference

Classes

struct  TransformContext
 

Functions

static bool should_discard (const TransformContext &ctx, const float2 &uv)
 
template<typename T >
static T * init_pixel_pointer (const ImBuf *image, int x, int y)
 
template<>
uchar * init_pixel_pointer (const ImBuf *image, int x, int y)
 
template<>
float * init_pixel_pointer (const ImBuf *image, int x, int y)
 
static float wrap_uv (float value, int size)
 
template<eIMBInterpolationFilterMode Filter, typename T , int NumChannels, bool WrapUV>
static void sample_image (const ImBuf *source, float u, float v, T *r_sample)
 
static void add_subsample (const float src[4], float dst[4])
 
static void add_subsample (const uchar src[4], float dst[4])
 
static void store_premul_float_sample (const float sample[4], float dst[4])
 
static void store_premul_float_sample (const float sample[4], uchar dst[4])
 
template<int SrcChannels>
static void store_sample (const uchar *sample, uchar *dst)
 
template<int SrcChannels>
static void store_sample (const float *sample, float *dst)
 
template<eIMBInterpolationFilterMode Filter, typename T , int SrcChannels, bool CropSource, bool WrapUV>
static void process_scanlines (const TransformContext &ctx, IndexRange y_range)
 
template<eIMBInterpolationFilterMode Filter, typename T , int SrcChannels>
static void transform_scanlines (const TransformContext &ctx, IndexRange y_range)
 
template<eIMBInterpolationFilterMode Filter>
static void transform_scanlines_filter (const TransformContext &ctx, IndexRange y_range)
 
static float calc_coverage (float2 pos, int2 ipos, float2 delta, bool is_steep)
 
static void edge_aa (const TransformContext &ctx)
 

Function Documentation

◆ add_subsample() [1/2]

static void blender::imbuf::transform::add_subsample ( const float src[4],
float dst[4] )
static

Definition at line 194 of file imbuf/intern/transform.cc.

References add_v4_v4().

Referenced by process_scanlines().

◆ add_subsample() [2/2]

static void blender::imbuf::transform::add_subsample ( const uchar src[4],
float dst[4] )
static

Definition at line 199 of file imbuf/intern/transform.cc.

References add_v4_v4(), and straight_uchar_to_premul_float().

◆ calc_coverage()

static float blender::imbuf::transform::calc_coverage ( float2 pos,
int2 ipos,
float2 delta,
bool is_steep )
static

Definition at line 367 of file imbuf/intern/transform.cc.

References blender::math::clamp(), fabsf, and pos.

Referenced by edge_aa().

◆ edge_aa()

static void blender::imbuf::transform::edge_aa ( const TransformContext & ctx)
static

Definition at line 394 of file imbuf/intern/transform.cc.

References blender::math::abs(), ImBuf::byte_buffer, calc_coverage(), ImBufByteBuffer::data, ImBufFloatBuffer::data, blender::imbuf::transform::TransformContext::dst, fabsf, ImBuf::float_buffer, length(), blender::math::max(), pos, blender::imbuf::transform::TransformContext::src_corners, ImBuf::x, and ImBuf::y.

◆ init_pixel_pointer() [1/3]

template<typename T >
static T * blender::imbuf::transform::init_pixel_pointer ( const ImBuf * image,
int x,
int y )
static

Referenced by process_scanlines().

◆ init_pixel_pointer() [2/3]

template<>
uchar * blender::imbuf::transform::init_pixel_pointer ( const ImBuf * image,
int x,
int y )

Definition at line 102 of file imbuf/intern/transform.cc.

References x.

◆ init_pixel_pointer() [3/3]

template<>
float * blender::imbuf::transform::init_pixel_pointer ( const ImBuf * image,
int x,
int y )

Definition at line 106 of file imbuf/intern/transform.cc.

References x.

◆ process_scanlines()

template<eIMBInterpolationFilterMode Filter, typename T , int SrcChannels, bool CropSource, bool WrapUV>
static void blender::imbuf::transform::process_scanlines ( const TransformContext & ctx,
IndexRange y_range )
static

Definition at line 248 of file imbuf/intern/transform.cc.

References add_subsample(), blender::imbuf::transform::TransformContext::add_x, blender::imbuf::transform::TransformContext::add_y, blender::math::clamp(), blender::imbuf::transform::TransformContext::dst, blender::imbuf::transform::TransformContext::dst_region_x_range, blender::IndexRange::first(), IMB_FILTER_BOX, IMB_FILTER_NEAREST, init_pixel_pointer(), int, blender::math::length(), mul_v4_v4fl(), sample, sample_image(), should_discard(), blender::imbuf::transform::TransformContext::src, blender::imbuf::transform::TransformContext::start_uv, store_premul_float_sample(), store_sample(), and T.

Referenced by transform_scanlines().

◆ sample_image()

template<eIMBInterpolationFilterMode Filter, typename T , int NumChannels, bool WrapUV>
static void blender::imbuf::transform::sample_image ( const ImBuf * source,
float u,
float v,
T * r_sample )
static

Definition at line 125 of file imbuf/intern/transform.cc.

References BLI_assert_unreachable, ImBufFloatBuffer::data, ImBuf::float_buffer, IMB_FILTER_BILINEAR, IMB_FILTER_CUBIC_BSPLINE, IMB_FILTER_CUBIC_MITCHELL, IMB_FILTER_NEAREST, blender::imbuf::interpolate_bilinear_byte(), blender::imbuf::interpolate_bilinear_fl(), blender::math::interpolate_bilinear_fl(), blender::math::interpolate_bilinear_wrap_fl(), blender::imbuf::interpolate_cubic_bspline_byte(), blender::math::interpolate_cubic_bspline_fl(), blender::imbuf::interpolate_cubic_mitchell_byte(), blender::math::interpolate_cubic_mitchell_fl(), blender::imbuf::interpolate_nearest_border_byte(), blender::math::interpolate_nearest_border_fl(), v, wrap_uv(), ImBuf::x, and ImBuf::y.

Referenced by process_scanlines().

◆ should_discard()

static bool blender::imbuf::transform::should_discard ( const TransformContext & ctx,
const float2 & uv )
static

Definition at line 95 of file imbuf/intern/transform.cc.

References blender::imbuf::transform::TransformContext::src_crop, rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

Referenced by process_scanlines().

◆ store_premul_float_sample() [1/2]

static void blender::imbuf::transform::store_premul_float_sample ( const float sample[4],
float dst[4] )
static

Definition at line 206 of file imbuf/intern/transform.cc.

References copy_v4_v4(), and sample.

Referenced by process_scanlines().

◆ store_premul_float_sample() [2/2]

static void blender::imbuf::transform::store_premul_float_sample ( const float sample[4],
uchar dst[4] )
static

Definition at line 211 of file imbuf/intern/transform.cc.

References premul_float_to_straight_uchar(), and sample.

◆ store_sample() [1/2]

template<int SrcChannels>
static void blender::imbuf::transform::store_sample ( const float * sample,
float * dst )
static

Definition at line 222 of file imbuf/intern/transform.cc.

References BLI_assert_unreachable, copy_v4_fl4(), copy_v4_v4(), and sample.

◆ store_sample() [2/2]

template<int SrcChannels>
static void blender::imbuf::transform::store_sample ( const uchar * sample,
uchar * dst )
static

Definition at line 216 of file imbuf/intern/transform.cc.

References BLI_STATIC_ASSERT, copy_v4_v4_uchar(), and sample.

Referenced by process_scanlines().

◆ transform_scanlines()

template<eIMBInterpolationFilterMode Filter, typename T , int SrcChannels>
static void blender::imbuf::transform::transform_scanlines ( const TransformContext & ctx,
IndexRange y_range )
static

Definition at line 320 of file imbuf/intern/transform.cc.

References BLI_assert_unreachable, IMB_TRANSFORM_MODE_CROP_SRC, IMB_TRANSFORM_MODE_REGULAR, IMB_TRANSFORM_MODE_WRAP_REPEAT, blender::imbuf::transform::TransformContext::mode, and process_scanlines().

Referenced by transform_scanlines_filter().

◆ transform_scanlines_filter()

template<eIMBInterpolationFilterMode Filter>
static void blender::imbuf::transform::transform_scanlines_filter ( const TransformContext & ctx,
IndexRange y_range )
static

Definition at line 339 of file imbuf/intern/transform.cc.

References ImBuf::byte_buffer, ImBuf::channels, ImBufByteBuffer::data, ImBufFloatBuffer::data, blender::imbuf::transform::TransformContext::dst, ImBuf::float_buffer, blender::imbuf::transform::TransformContext::src, and transform_scanlines().

Referenced by IMB_transform().

◆ wrap_uv()

static float blender::imbuf::transform::wrap_uv ( float value,
int size )
static

Definition at line 111 of file imbuf/intern/transform.cc.

References floorf, int, size(), UNLIKELY, and x.

Referenced by sample_image().

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