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-rw-r--r--src/sim/sim_other.c411
1 files changed, 0 insertions, 411 deletions
diff --git a/src/sim/sim_other.c b/src/sim/sim_other.c
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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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