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lib: add kmstest_cairo_printf_line

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Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
[v3: fix mode printing in paint_output_info() botched by debugging leftover :/ ]
This commit is contained in:
Imre Deak
2013-05-30 15:03:48 +03:00
parent 3a2aed1f30
commit 542a40c485
3 changed files with 85 additions and 66 deletions
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lib/drmtest.c
+44
View File
@@ -907,6 +907,50 @@ paint_test_patterns(cairo_t *cr, int width, int height)
paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 1, 1);
}
int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
double yspacing, const char *fmt, ...)
{
double x, y, xofs, yofs;
cairo_text_extents_t extents;
char *text;
va_list ap;
int ret;
va_start(ap, fmt);
ret = vasprintf(&text, fmt, ap);
assert(ret >= 0);
va_end(ap);
cairo_text_extents(cr, text, &extents);
xofs = yofs = 0;
if (align & align_right)
xofs = -extents.width;
else if (align & align_hcenter)
xofs = -extents.width / 2;
if (align & align_top)
yofs = extents.height;
else if (align & align_vcenter)
yofs = extents.height / 2;
cairo_get_current_point(cr, &x, &y);
if (xofs || yofs)
cairo_rel_move_to(cr, xofs, yofs);
cairo_text_path(cr, text);
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_fill(cr);
cairo_move_to(cr, x, y + extents.height + yspacing);
free(text);
return extents.width;
}
enum corner {
topleft,
topright,
lib/drmtest.h
+13
View File
@@ -109,6 +109,19 @@ struct kmstest_fb {
unsigned size;
};
enum kmstest_text_align {
align_left,
align_bottom = align_left,
align_right = 0x01,
align_top = 0x02,
align_vcenter = 0x04,
align_hcenter = 0x08,
};
int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
double yspacing, const char *fmt, ...)
__attribute__((format (printf, 4, 5)));
typedef void (*kmstest_paint_func)(cairo_t *cr, int width, int height, void *priv);
unsigned int kmstest_create_fb(int fd, int width, int height, int bpp,