From e9a184546b18cf3b796bd560561f312934004c54 Mon Sep 17 00:00:00 2001 From: "Nicolas \"Pixel\" Noble" Date: Thu, 9 Sep 2010 01:48:52 +0200 Subject: Upgrading to CD 5.4 - and cleaning up. --- cd/src/sim/sim_other.c | 411 ------------------------------------------------- 1 file changed, 411 deletions(-) delete mode 100755 cd/src/sim/sim_other.c (limited to 'cd/src/sim/sim_other.c') diff --git a/cd/src/sim/sim_other.c b/cd/src/sim/sim_other.c deleted file mode 100755 index 0954406..0000000 --- a/cd/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 -#include -#include -#include - -#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 NOT 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); -} -- cgit v1.2.3