/*
- * Copyright (C) 2010-2011 jeanfi@gmail.com
+ * Copyright (C) 2010-2012 jeanfi@gmail.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
static void
draw_graph_background(cairo_t *cr,
- int width, int height, struct config *config)
+ int g_xoff, int g_yoff,
+ int g_width, int g_height,
+ int width, int height, struct config *config,
+ GtkWidget *widget,
+ GtkWidget *window)
{
- struct color *bgcolor = config->graph_bgcolor;
+ GtkStyleContext *style_ctx;
+ struct color *bgcolor;
+ GdkRGBA rgba;
- /* draw background */
+ bgcolor = config->graph_bgcolor;
+
+ style_ctx = gtk_widget_get_style_context(window);
+ gtk_style_context_get_background_color(style_ctx,
+ GTK_STATE_FLAG_NORMAL,
+ &rgba);
+
+ if (config->alpha_channel_enabled)
+ cairo_set_source_rgba(cr,
+ rgba.red,
+ rgba.green,
+ rgba.blue,
+ config->graph_bg_alpha);
+ else
+ cairo_set_source_rgb(cr,
+ rgba.red,
+ rgba.green,
+ rgba.blue);
+
+ cairo_rectangle(cr, 0, 0, width, height);
+ cairo_fill(cr);
if (config->alpha_channel_enabled)
cairo_set_source_rgba(cr,
bgcolor->f_red,
bgcolor->f_green,
- bgcolor->f_blue, config->graph_bg_alpha);
+ bgcolor->f_blue,
+ config->graph_bg_alpha);
else
cairo_set_source_rgb(cr,
bgcolor->f_red,
- bgcolor->f_green, bgcolor->f_blue);
+ bgcolor->f_green,
+ bgcolor->f_blue);
- cairo_rectangle(cr, 0, 0, width, height);
+ cairo_rectangle(cr, g_xoff, g_yoff, g_width, g_height);
cairo_fill(cr);
}
/* setup dash style */
static double dashes[] = {
1.0, /* ink */
- 1.0, /* skip */
- 1.0, /* ink */
- 1.0 /* skip */
+ 2.0, /* skip */
};
static int ndash = sizeof(dashes) / sizeof(dashes[0]);
int i;
/* draw background lines */
- cairo_set_dash(cr, dashes, ndash, 0);
cairo_set_line_width(cr, 1);
+ cairo_set_dash(cr, dashes, ndash, 0);
cairo_set_source_rgb(cr,
color->f_red, color->f_green, color->f_blue);
/* back to normal line style */
cairo_set_dash(cr, 0, 0, 0);
-
}
static void draw_sensor_curve(struct psensor *s,
int g_xoff,
int g_yoff)
{
- int first = 1;
- int i;
+ int first, i, x, y, t, dt, vdt;
+ double v;
cairo_set_source_rgb(cr,
s->color->f_red,
s->color->f_green,
s->color->f_blue);
- cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
- cairo_set_line_width(cr, 1);
+ dt = et - bt;
+ first = 1;
for (i = 0; i < s->values_max_length; i++) {
- int x, y, t;
- double v;
-
t = s->measures[i].time.tv_sec;
v = s->measures[i].value.d_num;
- if (v == UNKNOWN_DBL_VALUE || !t || (t - bt) < 0)
+ if (v == UNKNOWN_DBL_VALUE || !t)
+ continue;
+
+ vdt = t - bt;
+ if (vdt < 0)
continue;
- x = (t - bt) * g_width / (et - bt) + g_xoff;
+ x = vdt * g_width / dt + g_xoff;
y = compute_y(v, min, max, g_height, g_yoff);
void
graph_update(struct psensor **sensors,
GtkWidget *w_graph,
- struct config *config)
+ struct config *config,
+ GtkWidget *window)
{
struct color *fgcolor = config->graph_fgcolor;
int et, bt, width, height, g_width, g_height;
cairo_text_extents_t te_btime, te_etime, te_max, te_min;
struct psensor **sensor_cur;
GtkAllocation galloc;
+ GtkStyleContext *style_ctx;
+ GdkRGBA rgba;
if (!gtk_widget_is_drawable(w_graph))
return ;
max_rpm = get_max_rpm(sensors);
mint = get_min_temp(sensors);
- strmin = psensor_value_to_string(SENSOR_TYPE_TEMP, mint);
+
+ strmin = psensor_value_to_string(SENSOR_TYPE_TEMP,
+ mint,
+ config->temperature_unit == CELCIUS);
maxt = get_max_temp(sensors);
- strmax = psensor_value_to_string(SENSOR_TYPE_TEMP, maxt);
+ strmax = psensor_value_to_string(SENSOR_TYPE_TEMP,
+ maxt,
+ config->temperature_unit == CELCIUS);
str_btime = time_to_str(get_graph_begin_time_s(config));
str_etime = time_to_str(get_graph_end_time_s());
cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cr = cairo_create(cst);
- draw_graph_background(cr, width, height, config);
-
cairo_select_font_face(cr,
"sans-serif",
CAIRO_FONT_SLANT_NORMAL,
g_width = width - g_xoff - GRAPH_H_PADDING;
- cairo_set_source_rgb(cr,
- fgcolor->f_red, fgcolor->f_green, fgcolor->f_blue);
+ draw_graph_background(cr,
+ g_xoff, g_yoff, g_width, g_height,
+ width, height, config,
+ w_graph,
+ window);
+
+ /** Set the color for text drawing */
+ style_ctx = gtk_widget_get_style_context(window);
+ gtk_style_context_get_color(style_ctx, GTK_STATE_FLAG_NORMAL, &rgba);
+ cairo_set_source_rgb(cr, rgba.red, rgba.green, rgba.blue);
/* draw graph begin time */
cairo_move_to(cr, g_xoff, height - GRAPH_V_PADDING);
if (bt && et) {
sensor_cur = sensors;
+
+ cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
+ cairo_set_line_width(cr, 1);
while (*sensor_cur) {
struct psensor *s = *sensor_cur;