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Port the plot text method to Qt, also test it by actually plotting something

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The plot_text function from the cairo-methods are now ported
on the qt version. this patch moves around some code since
quite defines are already used and I didn't want to reinvent
the whell.

Original code used varargs, but I prefered to change it
, so now it receives just a reference to a QString object
and the string must be constructed before sending,
using the .arg methods.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2013-05-06 15:35:17 -03:00 • committed by Dirk Hohndel
parent b3fce3497c
commit 1b392b35bc
5 changed files with 57 additions and 76 deletions
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51
profile.c
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@ -157,57 +157,6 @@ int get_maxdepth(struct plot_info *pi)
return md;
}
#if 0
typedef struct {
double size;
color_indice_t color;
double hpos, vpos;
} text_render_options_t;
#endif
#define RIGHT (-1.0)
#define CENTER (-0.5)
#define LEFT (0.0)
#define TOP (1)
#define MIDDLE (0)
#define BOTTOM (-1)
#if USE_GTK_UI
static void plot_text(struct graphics_context *gc, const text_render_options_t *tro,
double x, double y, const char *fmt, ...)
{
cairo_t *cr = gc->cr;
cairo_font_extents_t fe;
cairo_text_extents_t extents;
double dx, dy;
char buffer[256];
va_list args;
va_start(args, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, args);
va_end(args);
cairo_set_font_size(cr, tro->size * plot_scale);
cairo_font_extents(cr, &fe);
cairo_text_extents(cr, buffer, &extents);
dx = tro->hpos * (extents.width + extents.x_bearing);
dy = tro->vpos * (extents.height + fe.descent);
move_to(gc, x, y);
cairo_rel_move_to(cr, dx, dy);
cairo_text_path(cr, buffer);
set_source_rgba(gc, TEXT_BACKGROUND);
cairo_stroke(cr);
move_to(gc, x, y);
cairo_rel_move_to(cr, dx, dy);
set_source_rgba(gc, tro->color);
cairo_show_text(cr, buffer);
}
#endif /* USE_GTK_UI */
/* collect all event names and whether we display them */
struct ev_select {
char *ev_name;