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Make the printout look different

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Not *better* mint you. Just different.

I suck at graphs.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-09-13 19:49:48 -07:00
parent ce86289eed
commit a0096f3a6b
3 changed files with 37 additions and 18 deletions
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1
display.h
View file

@ -27,6 +27,7 @@ extern void do_print(void);
* can't use it, and instead have this butt-ugly wrapper thing..
*/
struct graphics_context {
int printer;
cairo_t *cr;
double maxx, maxy;
double leftx, rightx;

9
print.c
View file

@ -11,7 +11,7 @@ static void draw_page(GtkPrintOperation *operation,
cairo_t *cr;
PangoLayout *layout;
double w, h;
struct graphics_context gc = { 0 };
struct graphics_context gc = { .printer = 1 };
cr = gtk_print_context_get_cairo_context(context);
gc.cr = cr;
@ -21,11 +21,8 @@ static void draw_page(GtkPrintOperation *operation,
w = gtk_print_context_get_width(context);
h = gtk_print_context_get_height(context);
/* Do the profile on the top third of the page.. */
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_rectangle(cr, 0, 0, w, h/3);
cairo_fill(cr);
plot(&gc, w, h/3, current_dive);
/* Do the profile on the top half of the page.. */
plot(&gc, w, h/2, current_dive);
pango_cairo_show_layout(cr,layout);
g_object_unref(layout);

45
profile.c
View file

@ -40,6 +40,23 @@ static void line_to(struct graphics_context *gc, double x, double y)
cairo_line_to(gc->cr, SCALE(gc, x, y));
}
static void set_source_rgba(struct graphics_context *gc, double r, double g, double b, double a)
{
if (gc->printer) {
a = 1;
if (r+g+b > 1)
r = g = b = 0;
else
r = g = b = 1;
}
cairo_set_source_rgba(gc->cr, r, g, b, a);
}
static void set_source_rgb(struct graphics_context *gc, double r, double g, double b)
{
set_source_rgba(gc, r, g, b, 1);
}
#define ROUND_UP(x,y) ((((x)+(y)-1)/(y))*(y))
/*
@ -107,13 +124,13 @@ static void plot_text(struct graphics_context *gc, const text_render_options_t *
cairo_rel_move_to(cr, dx, dy);
cairo_text_path(cr, buffer);
cairo_set_source_rgb(cr, 0, 0, 0);
set_source_rgb(gc, 0, 0, 0);
cairo_stroke(cr);
move_to(gc, x, y);
cairo_rel_move_to(cr, dx, dy);
cairo_set_source_rgb(cr, tro->r, tro->g, tro->b);
set_source_rgb(gc, tro->r, tro->g, tro->b);
cairo_show_text(cr, buffer);
}
@ -207,6 +224,8 @@ static void plot_minmax_profile_minute(struct graphics_context *gc, struct plot_
static void plot_minmax_profile(struct graphics_context *gc, struct plot_info *pi)
{
if (gc->printer)
return;
plot_minmax_profile_minute(gc, pi, 2, 0.1);
plot_minmax_profile_minute(gc, pi, 1, 0.1);
plot_minmax_profile_minute(gc, pi, 0, 0.1);
@ -240,7 +259,7 @@ static void plot_depth_profile(struct dive *dive, struct graphics_context *gc, s
case FEET: marker = 9144; break; /* 30 ft */
}
cairo_set_source_rgba(cr, 1, 1, 1, 0.5);
set_source_rgba(gc, 1, 1, 1, 0.5);
for (i = marker; i < maxdepth; i += marker) {
move_to(gc, 0, i);
line_to(gc, 1, i);
@ -248,7 +267,7 @@ static void plot_depth_profile(struct dive *dive, struct graphics_context *gc, s
cairo_stroke(cr);
/* Show mean depth */
cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.40);
set_source_rgba(gc, 1, 0.2, 0.2, 0.40);
move_to(gc, 0, dive->meandepth.mm);
line_to(gc, 1, dive->meandepth.mm);
cairo_stroke(cr);
@ -259,7 +278,7 @@ static void plot_depth_profile(struct dive *dive, struct graphics_context *gc, s
plot_minmax_profile(gc, pi);
entry = pi->entry;
cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.80);
set_source_rgba(gc, 1, 0.2, 0.2, 0.80);
begins = entry->sec;
move_to(gc, entry->sec, entry->val);
for (i = 1; i < pi->nr; i++) {
@ -274,9 +293,11 @@ static void plot_depth_profile(struct dive *dive, struct graphics_context *gc, s
line_to(gc, MIN(sec,maxtime), 0);
line_to(gc, begins, 0);
cairo_close_path(cr);
cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.20);
cairo_fill_preserve(cr);
cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.80);
if (!gc->printer) {
set_source_rgba(gc, 1, 0.2, 0.2, 0.20);
cairo_fill_preserve(cr);
}
set_source_rgba(gc, 1, 0.2, 0.2, 0.80);
cairo_stroke(cr);
}
@ -349,7 +370,7 @@ static void plot_temperature_profile(struct dive *dive, struct graphics_context
if (!setup_temperature_limits(dive, gc))
return;
cairo_set_source_rgba(cr, 0.2, 0.2, 1.0, 0.8);
set_source_rgba(gc, 0.2, 0.2, 1.0, 0.8);
for (i = 0; i < dive->samples; i++) {
struct sample *sample = dive->sample+i;
int mkelvin = sample->temperature.mkelvin;
@ -672,7 +693,7 @@ void plot(struct graphics_context *gc, int w, int h, struct dive *dive)
plot_info(dive, gc);
/* Bounding box last */
cairo_set_source_rgb(gc->cr, 1, 1, 1);
set_source_rgb(gc, 1, 1, 1);
move_to(gc, 0, 0);
line_to(gc, 0, 1);
line_to(gc, 1, 1);
@ -685,14 +706,14 @@ void plot(struct graphics_context *gc, int w, int h, struct dive *dive)
static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
struct dive *dive = current_dive;
struct graphics_context gc;
struct graphics_context gc = { .printer = 0 };
int w,h;
w = widget->allocation.width;
h = widget->allocation.height;
gc.cr = gdk_cairo_create(widget->window);
cairo_set_source_rgb(gc.cr, 0, 0, 0);
set_source_rgb(&gc, 0, 0, 0);
cairo_paint(gc.cr);
if (dive)