From 37b6643df2df7d784a31ca73f7bb90dc109c2401 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Thu, 15 Dec 2005 07:26:47 +0000
Subject: removing PDP source (except debian files) before import of PDP 0.12.4

svn path=/trunk/externals/pdp/; revision=4217
---
 system/image/pdp_imageproc_common.c | 596 ------------------------------------
 1 file changed, 596 deletions(-)
 delete mode 100644 system/image/pdp_imageproc_common.c

(limited to 'system/image/pdp_imageproc_common.c')

diff --git a/system/image/pdp_imageproc_common.c b/system/image/pdp_imageproc_common.c
deleted file mode 100644
index bc34b79..0000000
--- a/system/image/pdp_imageproc_common.c
+++ /dev/null
@@ -1,596 +0,0 @@
-/*
- *   Pure Data Packet. common image processing routines.
- *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- *   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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-
-/*
-  This file contains common code for (portable) low level image processing objects
-  pdp_imageproc_* methods
-  The rest is int pdp_imageproc_<platform>.c
-
-  There are also highlevel dispatcher methods that operate on packets:
-  pdp_imageproc_dispatch_* methods
-
-*/
-
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include "pdp.h"
-
-#define CLAMP16(x) (((x) > 0x7fff) ? 0x7fff : (((x) < -0x7fff) ? -0x7fff : (x)))
-
-u32 pdp_imageproc_legalwidth(int i)
-{
-    if (i>1024) return 1024;
-    if (i>0) return  ((((i-1)>>3)+1)<<3);
-    return 8;
-    
-}
-
-u32 pdp_imageproc_legalheight(int i)
-{
-    if (i>1024) return 1024;
-    if (i>0) return  ((((i-1)>>3)+1)<<3);
-    return 8;
-}
-u32 pdp_imageproc_legalwidth_round_down(int i)
-{
-    if (i>1024) return 1024;
-    if (i>8) return  ((i>>3)<<3);
-    return 8;
-    
-}
-
-u32 pdp_imageproc_legalheight_round_down(int i)
-{
-    if (i>1024) return 1024;
-    if (i>8) return  ((i>>3)<<3);
-    return 8;
-}
-
-
-
-/* some operations */
-
-/* logic operators */
-
-void pdp_imageproc_xor_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
-    u32 *plane = (u32 *)image;
-    u32 *plane2 = (u32 *)image2;
-    int count = (width * height) >> 1;
-    int i;
-
-    for (i=0; i<count; i++){
-	plane[i] ^= plane2[i];
-    }
-}
-
-void pdp_imageproc_and_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
-    u32 *plane = (u32 *)image;
-    u32 *plane2 = (u32 *)image2;
-    int count = (width * height) >> 1;
-    int i;
-
-    for (i=0; i<count; i++){
-	plane[i] &= plane2[i];
-    }
-}
-
-void pdp_imageproc_or_process(void *x, u32 width, u32 height, s16 *image, s16 *image2)
-{
-    u32 *plane = (u32 *)image;
-    u32 *plane2 = (u32 *)image2;
-    int count = (width * height) >> 1;
-    int i;
-
-    for (i=0; i<count; i++){
-	plane[i] |= plane2[i];
-    }
-}
-
-void pdp_imageproc_not_process(void *x, u32 width, u32 height, s16 *image)
-{
-    u32 *plane = (u32 *)image;
-    int count = (width * height) >> 1;
-    int i;
-
-    for (i=0; i<count; i++){
-	plane[i] ^= 0xffffffff;
-    }
-}
-
-void pdp_imageproc_mask_process(void *x, u32 width, u32 height, s16 *image)
-{
-    u32 mask = (u32)x;
-    u32 *plane = (u32 *)image;
-    int count = (width * height) >> 1;
-    int i;
-
-    mask = (mask & 0xffff) | (mask << 16);
-
-    for (i=0; i<count; i++){
-	plane[i] &= mask;
-    }
-}
-
-// produce a plasma image
-// note: random number generator can be platform specific
-// however, it should be seeded. (same seed produces the same result)
-
-typedef struct
-{
-    u32 seed;
-    s32 scale;
-} t_plasma;
-
-static inline s16 _rand_s16(void)
-{
-  return (s16)(random()<<0);
-}
-
-static inline s16 _new_color(s32 one, s32 two, s32 scale)
-{
-  return CLAMP16((one >> 1) + (two >> 1) + ((scale * _rand_s16()) >> 16));
-  //return (one >> 1) + (two >> 1);
-}
-
-void *pdp_imageproc_plasma_new(void){return pdp_alloc(sizeof(t_plasma));}
-void pdp_imageproc_plasma_delete(void *x){pdp_dealloc(x);}
-void pdp_imageproc_plasma_setseed(void *x, float seed)
-{
-    *((float *)x) = seed;
-}
-void pdp_imageproc_plasma_setturbulence(void *x, float f)
-{
-    ((t_plasma *)x)->scale = CLAMP16(f * ((float)0x7fff));
-}
-
-static void _plasma_subdiv(u32 w, u32 h, u32 s, s16 *image, int calc_left, int calc_top, s32 scale)
-{
-  int w0 = ((w-1)>>1);  // width of left segments
-  int h0 = ((h-1)>>1);  // heigth of top segments
-  int w1 = w - w0;
-  int h1 = h - h0;
-
-  /* conditions: w0 <= w1, h0 <= h1 */
-
-  /* original coordinates */
-  int topleft = 0;
-  int topright = w-1;
-  int bottomleft = s * (h-1);
-  int bottomright = bottomleft + topright;
-
-  /* new subdivision coordinates */
-  int top = w0;
-  int left = s * h0;
-  int bottom = bottomleft + w0;
-  int right = topright + left;
-  int center = left + top;
-
-  if (w0 && h0){ /* left-right and top-bottom subdivide */
-
-    /* calculate corner pixel colours */
-    if (calc_top)  image[top]    = _new_color(image[topleft], image[topright], scale);
-    if (calc_left) image[left]   = _new_color(image[topleft], image[bottomleft], scale);
-    image[right]  = _new_color(image[topright], image[bottomright], scale);
-    image[bottom] = _new_color(image[bottomleft], image[bottomright], scale);
-    image[center] = (_new_color(image[top], image[bottom], scale) >> 1)
-	+(_new_color(image[left], image[right], scale) >> 1);
-
-
-    /* subdivide (with overlap) */
-    _plasma_subdiv(w0+1, h0+1, s, &image[topleft], 1, 1, scale);
-    _plasma_subdiv(w1, h0+1, s, &image[top], 0, 1, scale);
-    _plasma_subdiv(w0+1, h1, s, &image[left], 1, 0, scale);
-    _plasma_subdiv(w1, h1, s, &image[center], 0, 0, scale);
-    
-  }
-  
-
-  else if(h0) { /* top-bottom subdivide */
-
-      //post("h:%d", h);
-
-    /* calculate corner pixel colours */
-    if(calc_left) image[left]   = _new_color(image[topleft], image[bottomleft], scale);
-    image[right]  = _new_color(image[topright], image[bottomright], scale);
-
-    /* subdivide (without overlap) */
-    _plasma_subdiv(w, h0+1, s, &image[topleft], 1, 0, scale);
-    _plasma_subdiv(w, h1, s, &image[left], 1, 0, scale);
-    
-  }
-  
-  else if (w0){ /* left-right subdivide */
-
-    /* calculate corner pixel colours */
-    if (calc_top) image[top]    = _new_color(image[topleft], image[topright], scale);
-    image[bottom] = _new_color(image[bottomleft], image[bottomright],scale);
-
-    /* subdivide with overlap */
-    _plasma_subdiv(w0+1, h, s, &image[topleft], 0, 1, scale);
-    _plasma_subdiv(w1, h, s, &image[top], 0, 1, scale);
-
-  }
-
-}
-
-void pdp_imageproc_plasma_process(void *x, u32 width, u32 height, s16 *image)
-{
-    s32 scale = (((t_plasma *)x)->scale);
-    srandom (((t_plasma *)x)->seed);
-
-    /* set initial border colours */
-    image[0]                  = _rand_s16();
-    image[width-1]            = _rand_s16();
-    image[width * (height-1)] = _rand_s16();
-    image[width * height - 1] = _rand_s16();
-
-    /* subdivide */
-    _plasma_subdiv(width, height, width, image, 1, 1, scale);
-
-    ((t_plasma *)x)->seed = random();
-
-}
-  
-
-
-void pdp_imageproc_zero_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int bytesize = (width * height) << 1;
-    memset(image, 0, bytesize);
-}
-
-void pdp_imageproc_constant_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int i;
-    u32 value = (u32)x;
-    u32 *plane = (u32 *)image;
-    int wordsize = (width * height) >> 1;
-    value = (value & 0xffff) | (value << 16);
-    for (i=0; i<wordsize; i++){
-	plane[i] = value;
-    }
-}
-
-
-/* other stateless operators */
-
-/* some 2x16bit vector ops */
-
-/* some bit shuffling to ensure 32 bit accesses 
-   get the sign bit extended as a mask: - : 0xffff +: 0x0000 */
-static inline u32 _sign(s32 invec)
-{
-    s32 mask_top = invec;
-    s32 mask_bot = invec;
-
-    mask_top &= 0x80000000; /* isolate top sign bit */
-    mask_bot <<= 16;        /* shift bottom word to top word */
-    mask_bot &= 0x80000000; /* isolate bottom sign bit */
-    mask_top >>= 15;        /* shift sign bit into top word */
-    mask_bot >>= 15;
-    ((u32)mask_bot) >>=16;  /* shift top word into bottom word */
-    return mask_top |mask_bot;    
-}
-
-/* clear the least significant bit of the top word
-   to ensure a decoupled vector add */
-static inline void _decouple(s32 *invec)
-{
-    *invec &= 0xfffeffff;
-}
-
-void pdp_imageproc_abs_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int i;
-    s32 *wimage = (s32 *)image;
-    int wsize = (width * height) >> 1;
-    for (i=0; i<wsize; i++){
-	/* this computes  c = (c >= 0) ? (c) : (~c) */
-	/* not is used instead of neg to prevent overflow on 0x8000 */
-	/* this maps both 0 and -1 to 0 */
-
-	wimage[i] ^= _sign(wimage[i]);
-	
-    }
-}
-
-void pdp_imageproc_zthresh_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int i;
-    s32 *wimage = (s32 *)image;
-    int wsize = (width * height) >> 1;
-    for (i=0; i<wsize; i++){
-	/* this computes  c = (c >= 0) ? (c) : (0) */
-	wimage[i] &= ~_sign(wimage[i]);
-    }
-}
-
-/* hard thresholding: x contains a positive unsigned short int */
-void pdp_imageproc_hardthresh_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int i;
-    s32 thresh = (s32)x;
-    s32 sign1, isign2, a;
-    s32 *wimage = (s32 *)image;
-    int wsize = (width * height) >> 1;
-    thresh |= (thresh << 16);
-    for (i=0; i<wsize; i++){
-	a = wimage[i];
-	sign1 = _sign(a);   
-	a ^= sign1;           /* take abs */
-	_decouple(&a);
-	a -= thresh;          /* subtract threshold */
-	isign2 = ~ _sign(a);
-	a &= isign2;          /* zero thresh */
-	_decouple(&a);
-	a += thresh & isign2; /* add threshold (if not zero thresholded)*/
-	a ^= sign1;
-	wimage[i] = a;
-    }
-}
-
-/* soft thresholding: x contains a positive unsigned short int */
-void pdp_imageproc_softthresh_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int i;
-    s32 thresh = (s32)x;
-    s32 sign1, sign2, a;
-    s32 *wimage = (s32 *)image;
-    int wsize = (width * height) >> 1;
-    thresh |= thresh << 16;
-    for (i=0; i<wsize; i++){
-	a = wimage[i];
-	sign1 = _sign(a);   
-	a ^= sign1;           /* take abs */
-	_decouple(&a);
-	a -= thresh;          /* subtract threshold */
-	sign2 = _sign(a);
-	a &= ~ sign2;         /* zero thresh */
-	_decouple(&a);
-	//a += thresh;        /* add threshold */
-	a ^= sign1;
-	wimage[i] = a;
-	
-    }
-
-}
-
-
-/* turns an image into a positive andmask */
-void pdp_imageproc_ispositive_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int i;
-    s32 *wimage = (s32 *)image;
-    int wsize = (width * height) >> 1;
-    for (i=0; i<wsize; i++){
-	wimage[i] = ~_sign(wimage[i]);
-    }
-
-}
-
-/* get sign */
-void pdp_imageproc_sign_process(void *x, u32 width, u32 height, s16 *image)
-{
-    int i;
-    s32 *wimage = (s32 *)image;
-    int wsize = (width * height) >> 1;
-    for (i=0; i<wsize; i++){
-	wimage[i] = _sign(wimage[i]) ^ 0x7fff7fff;
-    }
-
-}
-
-/* flip left <-> right */
-void pdp_imageproc_flip_lr_process(void *dummy, u32 width, u32 height, s16 *image)
-{
-    u32 y;
-    s16 tmp, *l, *r;
-    for (y=0; y<height; y++){
-	l = image;
-	r = image + width - 1;
-	while (l < r){
-	    tmp = *l;
-	    *l = *r;
-	    *r = tmp;
-	    l++;
-	    r--;
-	}
-	image += width;
-    }
-
-}
-
-void pdp_llconv_flip_top_bottom(s16 *data, int width, int height, int pixelsize);
-
-void pdp_imageproc_flip_tb_process(void *dummy, u32 width, u32 height, s16 *image)
-{
-    pdp_llconv_flip_top_bottom(image, width, height, 2);
-}
-
-
-/* image processing dispatcher methods  */
-/* if the first packet contains a nonzero channel mask, it will be used instead
-   of the one supplied as argument to the dispatcher functions.
-   the packet's channel mask will be reset to 0 */
-
-void pdp_imageproc_dispatch_1buf(void (*process_routine)(void*, u32, u32, s16*), void *x, u32 chanmask, int packet0)
-{
-    t_pdp *header0;
-    t_image *image0;
-    s16  *idata0;
-    unsigned int w,h,d,plane_size,mask;
- 
-    /* if packet is not a valid image return without doing anything */
-    if (!(pdp_packet_image_isvalid(packet0))) return;
-
-    header0 = pdp_packet_header(packet0);
-    image0 = pdp_packet_image_info(packet0);
-    idata0   = pdp_packet_data  (packet0);
-
-    w = image0->width;
-    h = image0->height;
-    d = image0->depth;
-    plane_size = w*h;
-
-    if (image0->chanmask) chanmask = image0->chanmask;
-    image0->chanmask = 0;
-
-
-    switch(image0->encoding){
-    case PDP_IMAGE_GREY:
-	if (chanmask & 1) (*process_routine)(x, w, h, idata0);
-	break;
-    case PDP_IMAGE_YV12:
-	if (chanmask & 1) (*process_routine)(x, w, h, idata0);
-	idata0 += plane_size;
-	plane_size >>= 2;
-	w >>= 1;
-	h >>= 1;
-	if (chanmask & 2) (*process_routine)(x, w, h, idata0);
-	idata0 += plane_size;
-	if (chanmask & 4) (*process_routine)(x, w, h, idata0);
-	break;
-    case PDP_IMAGE_MCHP:
-	mask = 1;
-	while (d--){
-	    if (chanmask & mask) (*process_routine)(x, w, h, idata0);
-	    idata0 += plane_size;
-	    mask <<= 1;
-	}
-	break;
-    default:
-	break;
-    }
-}
-
-
-void pdp_imageproc_dispatch_2buf(void (*process_routine)(void*, u32, u32, s16*, s16 *), void *x, u32 chanmask, int packet0, int packet1)
-{
-    t_pdp *header0;
-    t_image *image0;
-    s16  *idata0, *idata1;
-    unsigned int w,h,d,plane_size,mask;
- 
-    /* if packets are not compatible images, return without doing anything */
-    if (!(pdp_packet_image_compat(packet0, packet1))) return;
-
-    header0 = pdp_packet_header(packet0);
-    image0 = pdp_packet_image_info(packet0);
-    idata0   = pdp_packet_data  (packet0);
-    idata1   = pdp_packet_data  (packet1);
-
-    w = image0->width;
-    h = image0->height;
-    d = image0->depth;
-    plane_size = w*h;
-
-    if (image0->chanmask) chanmask = image0->chanmask;
-    image0->chanmask = 0;
-
-    switch(image0->encoding){
-    case PDP_IMAGE_GREY:
-	if (chanmask & 1) (*process_routine)(x, w, h, idata0, idata1);
-	break;
-    case PDP_IMAGE_YV12:
-	if (chanmask & 1) (*process_routine)(x, w, h, idata0, idata1);
-	idata0 += plane_size;
-	idata1 += plane_size;
-	plane_size >>= 2;
-	w >>= 1;
-	h >>= 1;
-	if (chanmask & 2) (*process_routine)(x, w, h, idata0, idata1);
-	idata0 += plane_size;
-	idata1 += plane_size;
-	if (chanmask & 4) (*process_routine)(x, w, h, idata0, idata1);
-	break;
-    case PDP_IMAGE_MCHP:
-	mask = 1;
-	while (d--){
-	    if (chanmask & mask) (*process_routine)(x, w, h, idata0, idata1);
-	    idata0 += plane_size;
-	    idata1 += plane_size;
-	    mask <<= 1;
-	}
-	break;
-    default:
-	break;
-    }
-}
-void pdp_imageproc_dispatch_3buf(void (*process_routine)(void*, u32, u32, s16*, s16 *, s16 *), void *x, u32 chanmask, int packet0, int packet1, int packet2)
-{
-    t_pdp *header0;
-    t_image *image0;
-    s16  *idata0, *idata1, *idata2;
-    unsigned int w,h,d,plane_size, mask;
- 
-    /* if packets are not compatible images, return without doing anything */
-    if (!((pdp_packet_image_compat(packet0, packet1))
-	  &&(pdp_packet_image_compat(packet0, packet1)))) return;
-
-    header0 = pdp_packet_header(packet0);
-    image0 = pdp_packet_image_info(packet0);
-    idata0   = pdp_packet_data  (packet0);
-    idata1   = pdp_packet_data  (packet1);
-    idata2   = pdp_packet_data  (packet2);
-
-    w = image0->width;
-    h = image0->height;
-    d = image0->depth;
-    plane_size = w*h;
-
-    if (image0->chanmask) chanmask = image0->chanmask;
-    image0->chanmask = 0;
-
-    switch(image0->encoding){
-    case PDP_IMAGE_GREY:
-	if (chanmask & 1)(*process_routine)(x, w, h, idata0, idata1, idata2);
-	break;
-    case PDP_IMAGE_YV12:
-	if (chanmask & 1)(*process_routine)(x, w, h, idata0, idata1, idata2);
-	idata0 += plane_size;
-	idata1 += plane_size;
-	idata2 += plane_size;
-	plane_size >>= 2;
-	w >>= 1;
-	h >>= 1;
-	if (chanmask & 2)(*process_routine)(x, w, h, idata0, idata1, idata2);
-	idata0 += plane_size;
-	idata1 += plane_size;
-	idata2 += plane_size;
-	if (chanmask & 4)(*process_routine)(x, w, h, idata0, idata1, idata2);
-	break;
-    case PDP_IMAGE_MCHP:
-	mask = 1;
-	while (d--){
-	    if (chanmask & mask) (*process_routine)(x, w, h, idata0, idata1, idata2);
-	    idata0 += plane_size;
-	    idata1 += plane_size;
-	    idata2 += plane_size;
-	    mask <<= 1;
-	}
-	break;
-    default:
-	break;
-    }
-}
-- 
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