From 98d2cf8b0621cadab1a3a62eb5c6be5c85d11a15 Mon Sep 17 00:00:00 2001
From: Cedric Roux <cedric.roux@eurecom.fr>
Date: Mon, 11 Apr 2016 18:34:26 +0200
Subject: [PATCH] add X functions to plot points
---
common/utils/T/tracer/gui/x.c | 28 ++++++++++++++++++++++++++++
common/utils/T/tracer/gui/x.h | 6 ++++++
common/utils/T/tracer/gui/x_defs.h | 3 +++
3 files changed, 37 insertions(+)
diff --git a/common/utils/T/tracer/gui/x.c b/common/utils/T/tracer/gui/x.c
index 04b110a435..e68e3bcb92 100644
--- a/common/utils/T/tracer/gui/x.c
+++ b/common/utils/T/tracer/gui/x.c
@@ -286,3 +286,31 @@ void x_draw(x_connection *_c, x_window *_w)
printf("x_draw XCopyArea w h %d %d display %p window %d pixmap %d\n", w->width, w->height, c->d, (int)w->w, (int)w->p);
XCopyArea(c->d, w->p, w->w, c->colors[1], 0, 0, w->width, w->height, 0, 0);
}
+
+/* those two special functions are to plot many points
+ * first call x_add_point many times then x_plot_points once
+ */
+void x_add_point(x_connection *_c, int x, int y)
+{
+ struct x_connection *c = _c;
+
+ if (c->pts_size == c->pts_maxsize) {
+ c->pts_maxsize += 65536;
+ c->pts = realloc(c->pts, c->pts_maxsize * sizeof(XPoint));
+ if (c->pts == NULL) OOM;
+ }
+
+ c->pts[c->pts_size].x = x;
+ c->pts[c->pts_size].y = y;
+ c->pts_size++;
+}
+
+void x_plot_points(x_connection *_c, x_window *_w, int color)
+{
+ struct x_connection *c = _c;
+fprintf(stderr, "x_plot_points %d points\n", c->pts_size);
+ struct x_window *w = _w;
+ XDrawPoints(c->d, w->p, c->colors[color], c->pts, c->pts_size,
+ CoordModeOrigin);
+ c->pts_size = 0;
+}
diff --git a/common/utils/T/tracer/gui/x.h b/common/utils/T/tracer/gui/x.h
index 41cf65393b..e8f1d42d13 100644
--- a/common/utils/T/tracer/gui/x.h
+++ b/common/utils/T/tracer/gui/x.h
@@ -41,6 +41,12 @@ void x_fill_rectangle(x_connection *c, x_window *w, int color,
void x_draw_string(x_connection *_c, x_window *_w, int color,
int x, int y, const char *t);
+/* specials functions to plot many points
+ * you call several times x_add_point() then x_plot_points()
+ */
+void x_add_point(x_connection *c, int x, int y);
+void x_plot_points(x_connection *c, x_window *w, int color);
+
/* this function copies the pixmap to the window */
void x_draw(x_connection *c, x_window *w);
diff --git a/common/utils/T/tracer/gui/x_defs.h b/common/utils/T/tracer/gui/x_defs.h
index 43b99f7cf7..41817d06ce 100644
--- a/common/utils/T/tracer/gui/x_defs.h
+++ b/common/utils/T/tracer/gui/x_defs.h
@@ -7,6 +7,9 @@ struct x_connection {
Display *d;
GC *colors;
int ncolors;
+ XPoint *pts;
+ int pts_size;
+ int pts_maxsize;
};
struct x_window {
--
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