From b13afc2e6f0811cc14532c4f1060bc73b6053df4 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Thu, 27 May 2010 02:53:08 +0000
Subject: *** empty log message ***

---
 src/sim/sim_other.c | 411 ----------------------------------------------------
 1 file changed, 411 deletions(-)
 delete mode 100644 src/sim/sim_other.c

(limited to 'src/sim/sim_other.c')

diff --git a/src/sim/sim_other.c b/src/sim/sim_other.c
deleted file mode 100644
index 9079501..0000000
--- a/src/sim/sim_other.c
+++ /dev/null
@@ -1,411 +0,0 @@
-/** \file
- * \brief Simulation that is independent of the Simulation Base Driver
- *
- * See Copyright Notice in cd.h
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <memory.h>
-
-#include "cd.h"
-#include "cd_private.h"
-
-
-void cdSimMark(cdCanvas* canvas, int x, int y)
-{
-  int oldinteriorstyle = canvas->interior_style;
-  int oldlinestyle = canvas->line_style;
-  int oldlinewidth = canvas->line_width;
-  int size = canvas->mark_size;
-  int half_size = size/2;
-  int bottom = y-half_size;
-  int top    = y+half_size;
-  int left   = x-half_size;
-  int right  = x+half_size;
-
-  if (canvas->interior_style != CD_SOLID &&
-      (canvas->mark_type == CD_CIRCLE ||
-       canvas->mark_type == CD_BOX ||
-       canvas->mark_type == CD_DIAMOND))
-    cdCanvasInteriorStyle(canvas, CD_SOLID);
-
-  if (canvas->line_style != CD_CONTINUOUS &&
-      (canvas->mark_type == CD_STAR ||
-       canvas->mark_type == CD_PLUS ||
-       canvas->mark_type == CD_X ||
-       canvas->mark_type == CD_HOLLOW_BOX ||
-       canvas->mark_type == CD_HOLLOW_CIRCLE ||
-       canvas->mark_type == CD_HOLLOW_DIAMOND))
-    cdCanvasLineStyle(canvas, CD_CONTINUOUS);
-
-  if (canvas->line_width != 1 &&
-      (canvas->mark_type == CD_STAR ||
-       canvas->mark_type == CD_PLUS ||
-       canvas->mark_type == CD_X ||
-       canvas->mark_type == CD_HOLLOW_BOX ||
-       canvas->mark_type == CD_HOLLOW_CIRCLE ||
-       canvas->mark_type == CD_HOLLOW_DIAMOND))
-    cdCanvasLineWidth(canvas, 1);
-
-  switch (canvas->mark_type)
-  {
-  case CD_STAR:
-    canvas->cxLine(canvas->ctxcanvas, left, bottom, right, top);
-    canvas->cxLine(canvas->ctxcanvas, left, top, right, bottom);
-    /* continue */
-  case CD_PLUS:
-    canvas->cxLine(canvas->ctxcanvas, left, y, right, y);
-    canvas->cxLine(canvas->ctxcanvas, x, bottom, x, top);
-    break;
-  case CD_HOLLOW_CIRCLE:
-    canvas->cxArc(canvas->ctxcanvas, x, y, size, size, 0, 360);
-    break;
-  case CD_HOLLOW_BOX:
-    canvas->cxRect(canvas->ctxcanvas, left, right, bottom, top);
-    break;
-  case CD_HOLLOW_DIAMOND:
-    canvas->cxLine(canvas->ctxcanvas, left, y, x, top);
-    canvas->cxLine(canvas->ctxcanvas, x, top, right, y);
-    canvas->cxLine(canvas->ctxcanvas, right, y, x, bottom);
-    canvas->cxLine(canvas->ctxcanvas, x, bottom, left, y);
-    break;
-  case CD_X:
-    canvas->cxLine(canvas->ctxcanvas, left, bottom, right, top);
-    canvas->cxLine(canvas->ctxcanvas, left, top, right, bottom);
-    break;
-  case CD_CIRCLE:
-    canvas->cxSector(canvas->ctxcanvas, x, y, size, size, 0, 360);
-    break;
-  case CD_BOX:
-    canvas->cxBox(canvas->ctxcanvas, left, right, bottom, top);
-    break;
-  case CD_DIAMOND:
-    {
-      cdPoint poly[5];
-      poly[0].x = left;
-      poly[0].y = y;
-      poly[1].x = x;
-      poly[1].y = top;
-      poly[2].x = right;
-      poly[2].y = y;
-      poly[3].x = x;
-      poly[3].y = bottom;
-      canvas->cxPoly(canvas->ctxcanvas, CD_FILL, poly, 4);
-    }
-    break;
-  }
-
-  if (canvas->interior_style != oldinteriorstyle &&
-      (canvas->mark_type == CD_CIRCLE ||
-       canvas->mark_type == CD_BOX ||
-       canvas->mark_type == CD_DIAMOND))
-    cdCanvasInteriorStyle(canvas, oldinteriorstyle);
-
-  if (canvas->line_style != oldlinestyle &&
-      (canvas->mark_type == CD_STAR ||
-       canvas->mark_type == CD_PLUS ||
-       canvas->mark_type == CD_X ||
-       canvas->mark_type == CD_HOLLOW_BOX ||
-       canvas->mark_type == CD_HOLLOW_CIRCLE ||
-       canvas->mark_type == CD_HOLLOW_DIAMOND))
-    cdCanvasLineStyle(canvas, oldlinestyle);
-
-  if (canvas->line_width != oldlinewidth &&
-      (canvas->mark_type == CD_STAR ||
-       canvas->mark_type == CD_PLUS ||
-       canvas->mark_type == CD_X ||
-       canvas->mark_type == CD_HOLLOW_BOX ||
-       canvas->mark_type == CD_HOLLOW_CIRCLE ||
-       canvas->mark_type == CD_HOLLOW_DIAMOND))
-    cdCanvasLineWidth(canvas, oldlinewidth);
-}
-
-/* Setup Bezier coefficient array once for each control polygon. 
- */
-static void BezierForm(const cdPoint* p, cdfPoint* c)
-{
-  int k; 
-  static int choose[4] = {1, 3, 3, 1};
-  for (k = 0; k < 4; k++) 
-  {
-    c[k].x = p[k].x * choose[k];
-    c[k].y = p[k].y * choose[k];
-  }
-}
-
-static void fBezierForm(const cdfPoint* p, cdfPoint* c)
-{
-  int k; 
-  static int choose[4] = {1, 3, 3, 1};
-  for (k = 0; k < 4; k++) 
-  {
-    c[k].x = p[k].x * choose[k];
-    c[k].y = p[k].y * choose[k];
-  }
-}
-
-/* Return Point pt(t), t <= 0 <= 1 from C. 
- * BezierForm must be called once for any given control polygon.
- */
-static void BezierCurve(const cdfPoint* c, cdfPoint *pt, double t)
-{                  
-  int k;
-  double t1, tt, u;
-  cdfPoint b[4];
-
-  u = t;
-
-  b[0].x = c[0].x;
-  b[0].y = c[0].y;
-  for(k = 1; k < 4; k++) 
-  {
-    b[k].x = c[k].x * u;
-    b[k].y = c[k].y * u;
-    u =u*t;
-  }
-
-  pt->x = b[3].x;  
-  pt->y = b[3].y;
-  t1 = 1-t;          
-  tt = t1;
-  for(k = 2; k >= 0; k--) 
-  {
-    pt->x += b[k].x * tt;
-    pt->y += b[k].y * tt;
-    tt =tt*t1;
-  }
-}
-
-static int BezierNumSegments(cdCanvas* canvas, const cdPoint* p)
-{
-  int i, K, dx, dy, d,
-    xmax = p[0].x, 
-    ymax = p[0].y, 
-    xmin = p[0].x, 
-    ymin = p[0].y;
-
-  for (i = 1; i < 4; i++)
-  {
-    if (p[i].x > xmax)
-      xmax = p[i].x;
-    if (p[i].y > ymax)
-      ymax = p[i].y;
-    if (p[i].x < xmin)
-      xmin = p[i].x;
-    if (p[i].y < ymin)
-      ymin = p[i].y;
-  }
-
-  if (canvas->use_matrix)
-  {
-    cdMatrixTransformPoint(canvas->matrix, xmin, ymin, &xmin, &ymin);
-    cdMatrixTransformPoint(canvas->matrix, xmax, ymax, &xmax, &ymax);
-  }
-
-  /* diagonal of the bouding box */
-  dx = (xmax-xmin);
-  dy = (ymax-ymin);
-  d = (int)(sqrt(dx*dx + dy*dy));
-  K = d / 8;
-  if (K < 8) K = 8;
-  return K;
-}
-
-static int fBezierNumSegments(cdCanvas* canvas, const cdfPoint* p)
-{
-  int i, K, d;
-  double dx, dy,
-    xmax = p[0].x, 
-    ymax = p[0].y, 
-    xmin = p[0].x, 
-    ymin = p[0].y;
-
-  for (i = 1; i < 4; i++)
-  {
-    if (p[i].x > xmax)
-      xmax = p[i].x;
-    if (p[i].y > ymax)
-      ymax = p[i].y;
-    if (p[i].x < xmin)
-      xmin = p[i].x;
-    if (p[i].y < ymin)
-      ymin = p[i].y;
-  }
-
-  /* diagonal of the bouding box */
-  dx = (xmax-xmin);
-  dy = (ymax-ymin);
-  d = (int)(sqrt(dx*dx + dy*dy));
-  K = d / 8;
-  if (K < 8) K = 8;
-  return K;
-}
-
-/* from sim.h */
-void simfLineThin(cdCanvas* canvas, double x1, double y1, double x2, double y2, int *last_xi_a, int *last_yi_a, int *last_xi_b, int *last_yi_b);
-
-/* Quick and Simple Bezier Curve Drawing --- Robert D. Miller
- * Graphics GEMS V  */
-void cdSimPolyBezier(cdCanvas* canvas, const cdPoint* points, int n)
-{
-  int i = 0, k, K, poly_max = 0;
-  cdfPoint pt, prev_pt;
-  cdfPoint bezier_control[4];
-  cdPoint* poly = NULL;
-  int use_poly = 0,
-      last_xi_a = -65535, 
-      last_yi_a = -65535, 
-      last_xi_b = -65535, 
-      last_yi_b = -65535;
-
-  /* Use special floating point anti-alias line draw when
-     line_width==1, and using cdlineSIM. */
-  if (canvas->line_width > 1 || canvas->cxLine != cdlineSIM)
-    use_poly = 1;
-
-  n--; /* first n is 4 */
-  while (n >= 3)
-  {
-    BezierForm(points+i, bezier_control);
-    K = BezierNumSegments(canvas, points+i);
-
-    if (use_poly && poly_max < K+1)
-    {
-      poly = realloc(poly, sizeof(cdPoint)*(K+1)); /* K+1 points */
-      if (!poly) return;
-      poly_max = K+1;
-    }
-
-    /* first segment */
-    BezierCurve(bezier_control, &pt, 0);
-    if (use_poly)
-    {
-      poly[0].x = _cdRound(pt.x);
-      poly[0].y = _cdRound(pt.y);
-    }
-    else
-      prev_pt = pt;
-
-    for(k = 1; k < K+1; k++) 
-    {
-      BezierCurve(bezier_control, &pt, (double)k/(double)K);
-
-      if (use_poly)
-      {
-        poly[k].x = _cdRound(pt.x);
-        poly[k].y = _cdRound(pt.y);
-      }
-      else
-      {
-        int old_use_matrix = canvas->use_matrix;
-        double x1 = prev_pt.x,
-               y1 = prev_pt.y,
-               x2 = pt.x,
-               y2 = pt.y;
-
-        if (canvas->use_matrix && !canvas->invert_yaxis)
-        {
-          cdfMatrixTransformPoint(canvas->matrix, x1, y1, &x1, &y1);
-          cdfMatrixTransformPoint(canvas->matrix, x2, y2, &x2, &y2);
-        }
-
-        /* must disable transformation here, because line simulation use cxPixel */
-        canvas->use_matrix = 0;
-
-        simfLineThin(canvas, x1, y1, x2, y2, &last_xi_a, &last_yi_a, &last_xi_b, &last_yi_b);
-
-        canvas->use_matrix = old_use_matrix;
-        prev_pt = pt;
-      }
-    }
-
-    if (use_poly)
-      canvas->cxPoly(canvas->ctxcanvas, CD_OPEN_LINES, poly, k);
-
-    n -= 3; i += 3;
-  }
-
-  if (poly) free(poly);
-}
-
-void cdfSimPolyBezier(cdCanvas* canvas, const cdfPoint* points, int n)
-{
-  int i = 0, k, K, poly_max = 0;
-  cdfPoint pt;
-  cdfPoint bezier_control[4];
-  cdfPoint* poly = NULL;
-
-  n--; /* first n is 4 */
-  while (n >= 3)
-  {
-    fBezierForm(points+i, bezier_control);
-    K = fBezierNumSegments(canvas, points+i);
-
-    if (poly_max < K+1)
-    {
-      poly = realloc(poly, sizeof(cdfPoint)*(K+1)); /* K+1 points */
-      if (!poly) return;
-      poly_max = K+1;
-    }
-
-    /* first segment */
-    BezierCurve(bezier_control, &pt, 0);
-    poly[0].x = _cdRound(pt.x);
-    poly[0].y = _cdRound(pt.y);
-
-    for(k = 1; k < K+1; k++) 
-    {
-      BezierCurve(bezier_control, &pt, (double)k/(double)K);
-
-      poly[k].x = _cdRound(pt.x);
-      poly[k].y = _cdRound(pt.y);
-    }
-
-    canvas->cxFPoly(canvas->ctxcanvas, CD_OPEN_LINES, poly, k);
-    n -= 3; i += 3;
-  }
-
-  if (poly) free(poly);
-}
-
-void cdSimPutImageRectRGBA(cdCanvas* canvas, int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, const unsigned char *a, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
-{
-  int size, i, j, dst, src, *fx, *fy, rw, rh;
-  unsigned char *ar, *ag, *ab, al;
-
-  size = w * h;
-  ar = (unsigned char*)malloc(size*3);
-  if (!ar) return;
-  ag = ar + size;
-  ab = ag + size;
-
-  canvas->cxGetImageRGB(canvas->ctxcanvas, ar, ag, ab, x, y, w, h);
-
-  rw = xmax-xmin+1;
-  rh = ymax-ymin+1;
-
-  fx = cdGetZoomTable(w, rw, xmin);
-  fy = cdGetZoomTable(h, rh, ymin);
-
-  for (j = 0; j < h; j++)
-  {
-    for (i = 0; i < w; i++)
-    {
-      dst = j * w + i;
-      src = fy[j] * iw + fx[i];
-      al = a[src];
-      ar[dst] = CD_ALPHA_BLEND(r[src], ar[dst], al);
-      ag[dst] = CD_ALPHA_BLEND(g[src], ag[dst], al);
-      ab[dst] = CD_ALPHA_BLEND(b[src], ab[dst], al);
-    }
-  }
-
-  canvas->cxPutImageRectRGB(canvas->ctxcanvas, w, h, ar, ag, ab, x, y, w, h, 0, 0, 0, 0);
-
-  free(ar);
-
-  free(fx);
-  free(fy);
-}
-- 
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