fa20ca843f
PR: 32161 Submitted by: candy <candy@kgc.co.jp> Approved by: maintainer
235 lines
7.5 KiB
Text
235 lines
7.5 KiB
Text
--- graphics.c.orig Wed Nov 21 17:04:44 2001
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+++ graphics.c Wed Nov 21 17:05:59 2001
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@@ -1373,7 +1373,6 @@
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/* label first y axis tics */
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if (ytics) {
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- int axis = map_x(ZERO);
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/* set the globals ytick2d_callback() needs */
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if (rotate_ytics && (*t->text_angle) (1)) {
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@@ -1392,8 +1391,8 @@
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else
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tic_mirror = -1; /* no thank you */
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- if ((ytics & TICS_ON_AXIS) && !log_array[FIRST_X_AXIS] && inrange(axis, xleft, xright)) {
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- tic_start = axis;
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+ if ((ytics & TICS_ON_AXIS) && !log_array[FIRST_X_AXIS] && inrange(0.0, x_min, x_max)) {
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+ tic_start = map_x(0.0);
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tic_direction = -1;
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if (ytics & TICS_MIRROR)
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tic_mirror = tic_start;
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@@ -1413,7 +1412,6 @@
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}
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/* label first x axis tics */
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if (xtics) {
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- int axis = map_y(ZERO);
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/* set the globals xtick2d_callback() needs */
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if (rotate_xtics && (*t->text_angle) (1)) {
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@@ -1430,8 +1428,8 @@
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tic_mirror = ytop;
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else
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tic_mirror = -1; /* no thank you */
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- if ((xtics & TICS_ON_AXIS) && !log_array[FIRST_Y_AXIS] && inrange(axis, ybot, ytop)) {
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- tic_start = axis;
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+ if ((xtics & TICS_ON_AXIS) && !log_array[FIRST_Y_AXIS] && inrange(0.0, y_min, y_max)) {
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+ tic_start = map_y(0.0);
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tic_direction = -1;
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if (xtics & TICS_MIRROR)
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tic_mirror = tic_start;
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@@ -1458,7 +1456,6 @@
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/* label second y axis tics */
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if (y2tics) {
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/* set the globalss ytick2d_callback() needs */
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- int axis = map_x(ZERO);
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if (rotate_y2tics && (*t->text_angle) (1)) {
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tic_hjust = CENTRE;
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@@ -1474,8 +1471,8 @@
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tic_mirror = xleft;
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else
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tic_mirror = -1; /* no thank you */
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- if ((y2tics & TICS_ON_AXIS) && !log_array[FIRST_X_AXIS] && inrange(axis, xleft, xright)) {
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- tic_start = axis;
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+ if ((y2tics & TICS_ON_AXIS) && !log_array[FIRST_X_AXIS] && inrange(0.0, x_min, x_max)) {
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+ tic_start = map_x(0.0);
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tic_direction = 1;
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if (y2tics & TICS_MIRROR)
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tic_mirror = tic_start;
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@@ -1494,7 +1491,6 @@
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}
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/* label second x axis tics */
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if (x2tics) {
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- int axis = map_y(ZERO);
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/* set the globals xtick2d_callback() needs */
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if (rotate_x2tics && (*t->text_angle) (1)) {
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@@ -1511,8 +1507,8 @@
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tic_mirror = ybot;
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else
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tic_mirror = -1; /* no thank you */
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- if ((x2tics & TICS_ON_AXIS) && !log_array[SECOND_Y_AXIS] && inrange(axis, ybot, ytop)) {
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- tic_start = axis;
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+ if ((x2tics & TICS_ON_AXIS) && !log_array[SECOND_Y_AXIS] && inrange(0.0, y_min, y_max)) {
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+ tic_start = map_y(0.0);
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tic_direction = 1;
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if (x2tics & TICS_MIRROR)
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tic_mirror = tic_start;
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@@ -1564,45 +1560,58 @@
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x_axis = FIRST_X_AXIS;
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y_axis = FIRST_Y_AXIS; /* chose scaling */
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- axis_zero[FIRST_Y_AXIS] = map_y(0.0);
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- axis_zero[FIRST_X_AXIS] = map_x(0.0);
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- if (axis_zero[FIRST_Y_AXIS] < ybot || is_log_y)
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+ if (y_min >= 0.0 && y_max >= 0.0 || is_log_y)
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axis_zero[FIRST_Y_AXIS] = ybot; /* save for impulse plotting */
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- else if (axis_zero[FIRST_Y_AXIS] >= ytop)
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+ else if (y_min <= 0.0 && y_max <= 0.0)
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axis_zero[FIRST_Y_AXIS] = ytop;
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- else if (xzeroaxis.l_type > -3) {
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- term_apply_lp_properties(&xzeroaxis);
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- (*t->move) (xleft, axis_zero[FIRST_Y_AXIS]);
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- (*t->vector) (xright, axis_zero[FIRST_Y_AXIS]);
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- }
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- if ((yzeroaxis.l_type > -3) && !is_log_x
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- && axis_zero[FIRST_X_AXIS] >= xleft
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- && axis_zero[FIRST_X_AXIS] < xright) {
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- term_apply_lp_properties(&yzeroaxis);
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- (*t->move) (axis_zero[FIRST_X_AXIS], ybot);
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- (*t->vector) (axis_zero[FIRST_X_AXIS], ytop);
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+ else {
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+ axis_zero[FIRST_Y_AXIS] = map_y(0.0);
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+ if (xzeroaxis.l_type > -3) {
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+ term_apply_lp_properties(&xzeroaxis);
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+ (*t->move) (xleft, axis_zero[FIRST_Y_AXIS]);
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+ (*t->vector) (xright, axis_zero[FIRST_Y_AXIS]);
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+ }
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+ }
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+ if (x_min >= 0.0 && x_max >= 0.0)
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+ axis_zero[FIRST_X_AXIS] = xleft;
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+ else if (x_min <= 0.0 && x_max <= 0.0)
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+ axis_zero[FIRST_X_AXIS] = xright;
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+ else {
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+ axis_zero[FIRST_X_AXIS] = map_x(0.0);
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+ if ((yzeroaxis.l_type > -3) && !is_log_x) {
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+ term_apply_lp_properties(&yzeroaxis);
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+ (*t->move) (axis_zero[FIRST_X_AXIS], ybot);
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+ (*t->vector) (axis_zero[FIRST_X_AXIS], ytop);
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+ }
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}
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+
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x_axis = SECOND_X_AXIS;
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y_axis = SECOND_Y_AXIS; /* chose scaling */
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- axis_zero[SECOND_Y_AXIS] = map_y(0.0);
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- axis_zero[SECOND_X_AXIS] = map_x(0.0);
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- if (axis_zero[SECOND_Y_AXIS] < ybot || is_log_y2)
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+ if (is_log_y2 || y_min >= 0.0 && y_max >= 0.0)
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axis_zero[SECOND_Y_AXIS] = ybot; /* save for impulse plotting */
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- else if (axis_zero[SECOND_Y_AXIS] >= ytop)
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+ else if (y_min <= 0.0 && y_max <= 0.0)
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axis_zero[SECOND_Y_AXIS] = ytop;
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- else if (x2zeroaxis.l_type > -3) {
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- term_apply_lp_properties(&x2zeroaxis);
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- (*t->move) (xleft, axis_zero[SECOND_Y_AXIS]);
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- (*t->vector) (xright, axis_zero[SECOND_Y_AXIS]);
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- }
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- if ((y2zeroaxis.l_type > -3) && !is_log_x2 &&
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- axis_zero[SECOND_X_AXIS] >= xleft &&
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- axis_zero[SECOND_X_AXIS] < xright) {
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- term_apply_lp_properties(&y2zeroaxis);
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- (*t->move) (axis_zero[SECOND_X_AXIS], ybot);
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- (*t->vector) (axis_zero[SECOND_X_AXIS], ytop);
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+ else {
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+ axis_zero[SECOND_Y_AXIS] = map_y(0.0);
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+ if (x2zeroaxis.l_type > -3) {
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+ term_apply_lp_properties(&x2zeroaxis);
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+ (*t->move) (xleft, axis_zero[SECOND_Y_AXIS]);
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+ (*t->vector) (xright, axis_zero[SECOND_Y_AXIS]);
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+ }
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+ }
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+ if (y_min >= 0.0 && y_max >= 0.0)
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+ axis_zero[SECOND_X_AXIS] = xleft;
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+ else if (x_min <= 0.0 && x_max <= 0.0)
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+ axis_zero[SECOND_X_AXIS] = xright;
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+ else {
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+ axis_zero[SECOND_X_AXIS] = map_x(0.0);
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+ if ((y2zeroaxis.l_type > -3) && !is_log_x2) {
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+ term_apply_lp_properties(&y2zeroaxis);
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+ (*t->move) (axis_zero[SECOND_X_AXIS], ybot);
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+ (*t->vector) (axis_zero[SECOND_X_AXIS], ytop);
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+ }
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}
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/* DRAW PLOT BORDER */
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if (draw_border) {
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@@ -2754,14 +2763,61 @@
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int i;
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int x1, y1, x2, y2;
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struct termentry *t = term;
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+ TBOOLEAN head;
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+ struct coordinate GPHUGE points[2];
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+ double ex, ey;
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+ double lx[2], ly[2];
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for (i = 0; i < plot->p_count; i++) {
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- if (plot->points[i].type == INRANGE) {
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- x1 = map_x(plot->points[i].xlow);
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- y1 = map_y(plot->points[i].ylow);
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- x2 = map_x(plot->points[i].xhigh);
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- y2 = map_y(plot->points[i].yhigh);
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- (*t->arrow) (x1, y1, x2, y2, TRUE);
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+ points[0] = plot->points[i];
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+ points[1].x = plot->points[i].xhigh;
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+ points[1].y = plot->points[i].yhigh;
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+ if (inrange(points[1].x, x_min, x_max) &&
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+ inrange(points[1].y, y_min, y_max)) {
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+ /* to inrange */
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+ points[1].type = INRANGE;
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+ x2 = map_x(points[1].x);
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+ y2 = map_y(points[1].y);
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+ head = TRUE;
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+ if (points[0].type == INRANGE) {
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+ x1 = map_x(points[0].x);
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+ y1 = map_y(points[0].y);
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+ (*t->arrow) (x1, y1, x2, y2, head);
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+ } else if (points[0].type == OUTRANGE) {
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+ /* from outrange to inrange */
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+ if (clip_lines1) {
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+ edge_intersect(points, 1, &ex, &ey);
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+ x1 = map_x(ex);
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+ y1 = map_y(ey);
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+ (*t->arrow) (x1, y1, x2, y2, head);
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+ }
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+ }
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+ } else {
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+ /* to outrange */
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+ points[1].type = OUTRANGE;
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+ head = FALSE;
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+ if (points[0].type == INRANGE) {
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+ /* from inrange to outrange */
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+ if (clip_lines1) {
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+ x1 = map_x(points[0].x);
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+ y1 = map_y(points[0].y);
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+ edge_intersect(points, 1, &ex, &ey);
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+ x2 = map_x(ex);
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+ y2 = map_y(ey);
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+ (*t->arrow) (x1, y1, x2, y2, head);
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+ }
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+ } else if (points[0].type == OUTRANGE) {
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+ /* from outrange to outrange */
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+ if (clip_lines2) {
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+ if (two_edge_intersect(points, 1, lx, ly)) {
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+ x1 = map_x(lx[0]);
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+ y1 = map_y(ly[0]);
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+ x2 = map_x(lx[1]);
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+ y2 = map_y(ly[1]);
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+ (*t->arrow) (x1, y1, x2, y2, head);
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+ }
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+ }
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+ }
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}
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}
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}
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