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plot points in XY plot

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This commit is contained in:
Cedric Roux
2016-04-11 18:35:43 +02:00
parent 98d2cf8b06
commit 8114422fc5
2 changed files with 67 additions and 0 deletions
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common/utils/T/tracer/gui/gui.h
+2
View File
@@ -23,6 +23,8 @@ widget *new_text_list(gui *_gui, int width, int nlines, int background_color);
void xy_plot_set_range(gui *gui, widget *this,
float xmin, float xmax, float ymin, float ymax);
void xy_plot_set_points(gui *gui, widget *this,
int npoints, float *x, float *y);
void text_list_add(gui *gui, widget *this, const char *text, int position);
common/utils/T/tracer/gui/xy_plot.c
+65
View File
@@ -20,6 +20,7 @@ static void paint(gui *_gui, widget *_this)
float allocated_xmin, allocated_xmax;
float allocated_ymin, allocated_ymax;
float center;
int i;
printf("PAINT xy plot xywh %d %d %d %d\n", this->common.x, this->common.y, this->common.width, this->common.height);
@@ -128,6 +129,24 @@ printf("ymin/max %g %g height wanted allocated %d %d alloc ymin/max %g %g ticste
this->common.y + this->common.height - this->label_height
+ this->label_baseline,
this->label);
/* points */
float ax, bx, ay, by;
ax = (allocated_plot_width-1) / (allocated_xmax - allocated_xmin);
bx = -ax * allocated_xmin;
ay = (allocated_plot_height-1) / (allocated_ymax - allocated_ymin);
by = -ay * allocated_ymin;
for (i = 0; i < this->npoints; i++) {
int x, y;
x = ax * this->x[i] + bx;
y = ay * this->y[i] + by;
if (x >= 0 && x < allocated_plot_width &&
y >= 0 && y < allocated_plot_height)
x_add_point(g->x,
this->common.x + this->vrule_width + x,
this->common.y + y);
}
x_plot_points(g->x, g->xwin, FOREGROUND_COLOR);
}
static void hints(gui *_gui, widget *_w, int *width, int *height)
@@ -171,3 +190,49 @@ printf("XY PLOT label wh %d %d\n", w->label_width, w->label_height);
return w;
}
/*************************************************************************/
/* public functions */
/*************************************************************************/
void xy_plot_set_range(gui *_gui, widget *_this,
float xmin, float xmax, float ymin, float ymax)
{
struct gui *g = _gui;
struct xy_plot_widget *this = _this;
glock(g);
this->xmin = xmin;
this->xmax = xmax;
this->ymin = ymin;
this->ymax = ymax;
send_event(g, DIRTY, this->common.id);
gunlock(g);
}
void xy_plot_set_points(gui *_gui, widget *_this,
int npoints, float *x, float *y)
{
struct gui *g = _gui;
struct xy_plot_widget *this = _this;
glock(g);
if (npoints != this->npoints) {
free(this->x);
free(this->y);
this->x = calloc(sizeof(float), npoints);
this->y = calloc(sizeof(float), npoints);
this->npoints = npoints;
}
memcpy(this->x, x, npoints * sizeof(float));
memcpy(this->y, y, npoints * sizeof(float));
send_event(g, DIRTY, this->common.id);
gunlock(g);
}