scaling.c File Reference

#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "MEM_guardedalloc.h"
#include "imbuf.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_allocimbuf.h"
#include "IMB_filter.h"
#include "BLO_sys_types.h"

Go to the source code of this file.

Classes
struct	scale_outpix_byte
struct	scale_outpix_float
struct	imbufRGBA
Functions
struct ImBuf *	IMB_half_x (struct ImBuf *ibuf1)
struct ImBuf *	IMB_double_fast_x (struct ImBuf *ibuf1)
struct ImBuf *	IMB_double_x (struct ImBuf *ibuf1)
struct ImBuf *	IMB_half_y (struct ImBuf *ibuf1)
struct ImBuf *	IMB_double_fast_y (struct ImBuf *ibuf1)
struct ImBuf *	IMB_double_y (struct ImBuf *ibuf1)
void	imb_onehalf_no_alloc (struct ImBuf *ibuf2, struct ImBuf *ibuf1)
struct ImBuf *	IMB_onehalf (struct ImBuf *ibuf1)
static void	enlarge_picture_byte (unsigned char *src, unsigned char *dst, int src_width, int src_height, int dst_width, int dst_height)
static void	shrink_picture_byte (unsigned char *src, unsigned char *dst, int src_width, int src_height, int dst_width, int dst_height)
static void	q_scale_byte (unsigned char *in, unsigned char *out, int in_width, int in_height, int dst_width, int dst_height)
static void	enlarge_picture_float (float *src, float *dst, int src_width, int src_height, int dst_width, int dst_height)
static void	shrink_picture_float (float *src, float *dst, int src_width, int src_height, int dst_width, int dst_height)
static void	q_scale_float (float *in, float *out, int in_width, int in_height, int dst_width, int dst_height)
static int	q_scale_linear_interpolation (struct ImBuf *ibuf, int newx, int newy)
static struct ImBuf *	scaledownx (struct ImBuf *ibuf, int newx)
static struct ImBuf *	scaledowny (struct ImBuf *ibuf, int newy)
static struct ImBuf *	scaleupx (struct ImBuf *ibuf, int newx)
static struct ImBuf *	scaleupy (struct ImBuf *ibuf, int newy)
static void	scalefast_Z_ImBuf (ImBuf *ibuf, int newx, int newy)
struct ImBuf *	IMB_scaleImBuf (struct ImBuf *ibuf, unsigned int newx, unsigned int newy)
struct ImBuf *	IMB_scalefastImBuf (struct ImBuf *ibuf, unsigned int newx, unsigned int newy)

---

Detailed Description

Definition in file scaling.c.

---

Function Documentation

static void enlarge_picture_byte	(	unsigned char *	src,
		unsigned char *	dst,
		int	src_width,
		int	src_height,
		int	dst_width,
		int	dst_height
	)		[static]

Definition at line 366 of file scaling.c.

References ImBuf::x.

Referenced by q_scale_byte().

static void enlarge_picture_float	(	float *	src,
		float *	dst,
		int	src_width,
		int	src_height,
		int	dst_width,
		int	dst_height
	)		[static]

Definition at line 576 of file scaling.c.

Referenced by q_scale_float().

struct ImBuf* IMB_double_fast_x

(

struct ImBuf *

ibuf1

)

[read]

Attention:

defined in scaling.c

Definition at line 119 of file scaling.c.

References ImBuf::flags, i, IMB_allocImBuf(), NULL, ImBuf::planes, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by double_fast_x(), and IMB_double_x().

struct ImBuf* IMB_double_fast_y

(

struct ImBuf *

ibuf1

)

[read]

Attention:

defined in scaling.c

Definition at line 244 of file scaling.c.

References ImBuf::flags, IMB_allocImBuf(), NULL, ImBuf::planes, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by double_fast_y(), and IMB_double_y().

struct ImBuf* IMB_double_x

(

struct ImBuf *

ibuf1

)

[read]

Attention:

defined in scaling.c

Definition at line 158 of file scaling.c.

References IMB_double_fast_x(), imb_filterx(), NULL, ImBuf::rect, and ImBuf::rect_float.

Referenced by double_x().

struct ImBuf* IMB_double_y

(

struct ImBuf *

ibuf1

)

[read]

Attention:

defined in scaling.c

Definition at line 282 of file scaling.c.

References IMB_double_fast_y(), IMB_filtery(), NULL, and ImBuf::rect.

Referenced by double_y().

struct ImBuf* IMB_half_x

(

struct ImBuf *

ibuf1

)

[read]

Attention:

defined in scaling.c

Definition at line 53 of file scaling.c.

References ImBuf::flags, g, IMB_allocImBuf(), IMB_dupImBuf(), NULL, ImBuf::planes, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by half_x(), and IMB_onehalf().

struct ImBuf* IMB_half_y

(

struct ImBuf *

ibuf1

)

[read]

Attention:

defined in scaling.c

Definition at line 172 of file scaling.c.

References ImBuf::flags, g, IMB_allocImBuf(), IMB_dupImBuf(), NULL, ImBuf::planes, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by half_y(), and IMB_onehalf().

struct ImBuf* IMB_onehalf

(

struct ImBuf *

ibuf1

)

[read]

Attention:

Defined in scaling.c

Definition at line 346 of file scaling.c.

References ImBuf::flags, IMB_allocImBuf(), IMB_half_x(), IMB_half_y(), imb_onehalf_no_alloc(), NULL, ImBuf::planes, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by IMB_makemipmap(), and onehalf().

void imb_onehalf_no_alloc	(	struct ImBuf *	ibuf2,
		struct ImBuf *	ibuf1
	)

Definition at line 296 of file scaling.c.

References imb_addrectImBuf(), NULL, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by IMB_onehalf(), and IMB_remakemipmap().

struct ImBuf* IMB_scalefastImBuf	(	struct ImBuf *	ibuf,
		unsigned int	newx,
		unsigned int	newy
	)		[read]

Attention:

Defined in scaling.c

Definition at line 1497 of file scaling.c.

References IB_rect, IB_rectfloat, imb_freerectfloatImBuf(), imb_freerectImBuf(), ImBuf::mall, MEM_freeN(), MEM_mallocN(), NULL, ImBuf::rect, ImBuf::rect_float, scalefast_Z_ImBuf(), ImBuf::x, and ImBuf::y.

Referenced by BKE_tracking_stabilize(), icon_copy_rect(), index_rebuild_fallback(), input_preprocess(), scalefastImBuf(), and seq_proxy_build_frame().

struct ImBuf* IMB_scaleImBuf	(	struct ImBuf *	ibuf,
		unsigned int	newx,
		unsigned int	newy
	)		[read]

Attention:

Defined in scaling.c

Definition at line 1468 of file scaling.c.

References NULL, q_scale_linear_interpolation(), ImBuf::rect, ImBuf::rect_float, scaledownx(), scaledowny(), scalefast_Z_ImBuf(), scaleupx(), scaleupy(), ImBuf::x, and ImBuf::y.

Referenced by blend_file_thumb(), get_undistorted_ibuf(), icon_draw_rect(), IMB_thumb_create(), input_preprocess(), movieclip_build_proxy_ibuf(), node_composit_exec_scale(), and scaleImBuf().

static void q_scale_byte	(	unsigned char *	in,
		unsigned char *	out,
		int	in_width,
		int	in_height,
		int	dst_width,
		int	dst_height
	)		[static]

Definition at line 564 of file scaling.c.

References enlarge_picture_byte(), and shrink_picture_byte().

Referenced by q_scale_linear_interpolation().

static void q_scale_float	(	float *	in,
		float *	out,
		int	in_width,
		int	in_height,
		int	dst_width,
		int	dst_height
	)		[static]

Definition at line 764 of file scaling.c.

References enlarge_picture_float(), and shrink_picture_float().

Referenced by q_scale_linear_interpolation().

static int q_scale_linear_interpolation	(	struct ImBuf *	ibuf,
		int	newx,
		int	newy
	)		[static]

Definition at line 797 of file scaling.c.

References FALSE, IB_rect, IB_rectfloat, imb_freerectfloatImBuf(), imb_freerectImBuf(), ImBuf::mall, MEM_mallocN(), q_scale_byte(), q_scale_float(), ImBuf::rect, ImBuf::rect_float, TRUE, ImBuf::x, and ImBuf::y.

Referenced by IMB_scaleImBuf().

static struct ImBuf* scaledownx	(	struct ImBuf *	ibuf,
		int	newx
	)		[static, read]

Definition at line 831 of file scaling.c.

References add(), BLI_assert, IB_rect, IB_rectfloat, imb_freerectfloatImBuf(), imb_freerectImBuf(), ImBuf::mall, MEM_freeN(), MEM_mallocN(), NULL, ImBuf::rect, ImBuf::rect_float, simple_enum_gen::val, ImBuf::x, and ImBuf::y.

Referenced by IMB_scaleImBuf().

static struct ImBuf* scaledowny	(	struct ImBuf *	ibuf,
		int	newy
	)		[static, read]

Definition at line 961 of file scaling.c.

References add(), BLI_assert, IB_rect, IB_rectfloat, imb_freerectfloatImBuf(), imb_freerectImBuf(), ImBuf::mall, MEM_freeN(), MEM_mallocN(), NULL, ImBuf::rect, ImBuf::rect_float, simple_enum_gen::val, ImBuf::x, and ImBuf::y.

Referenced by IMB_scaleImBuf().

static void scalefast_Z_ImBuf	(	ImBuf *	ibuf,
		int	newx,
		int	newy
	)		[static]

Definition at line 1435 of file scaling.c.

References IB_zbuf, IMB_freezbufImBuf(), ImBuf::mall, MEM_mallocN(), NULL, ImBuf::rect, ImBuf::x, ImBuf::y, and ImBuf::zbuf.

Referenced by IMB_scalefastImBuf(), and IMB_scaleImBuf().

static struct ImBuf* scaleupx	(	struct ImBuf *	ibuf,
		int	newx
	)		[static, read]

Definition at line 1092 of file scaling.c.

References add(), IB_rect, IB_rectfloat, imb_freerectfloatImBuf(), imb_freerectImBuf(), ImBuf::mall, MEM_freeN(), MEM_mallocN(), NULL, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by IMB_scaleImBuf().

static struct ImBuf* scaleupy	(	struct ImBuf *	ibuf,
		int	newy
	)		[static, read]

Definition at line 1259 of file scaling.c.

References add(), IB_rect, IB_rectfloat, imb_freerectfloatImBuf(), imb_freerectImBuf(), ImBuf::mall, MEM_freeN(), MEM_mallocN(), NULL, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by IMB_scaleImBuf().

static void shrink_picture_byte	(	unsigned char *	src,
		unsigned char *	dst,
		int	src_width,
		int	src_height,
		int	dst_width,
		int	dst_height
	)		[static]

Definition at line 449 of file scaling.c.

References scale_outpix_byte::a, scale_outpix_byte::b, scale_outpix_byte::g, MEM_callocN(), MEM_freeN(), NULL, scale_outpix_byte::r, simple_enum_gen::val, simple_enum_gen::w, and scale_outpix_byte::weight.

Referenced by q_scale_byte().

static void shrink_picture_float	(	float *	src,
		float *	dst,
		int	src_width,
		int	src_height,
		int	dst_width,
		int	dst_height
	)		[static]

Definition at line 650 of file scaling.c.

References scale_outpix_float::a, scale_outpix_float::b, scale_outpix_float::g, MEM_callocN(), MEM_freeN(), scale_outpix_float::r, simple_enum_gen::w, and scale_outpix_float::weight.

Referenced by q_scale_float().