[Intel-gfx] [PATCH v3 2/6] lib: add kmstest_cairo_printf_line
Imre Deak
imre.deak at intel.com
Wed Jun 5 22:04:39 CEST 2013
Signed-off-by: Imre Deak <imre.deak at intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>
[v3: fix mode printing in paint_output_info() botched by debugging leftover :/ ]
---
lib/drmtest.c | 44 ++++++++++++++++++++++++
lib/drmtest.h | 13 ++++++++
tests/testdisplay.c | 96 ++++++++++++++++-------------------------------------
3 files changed, 86 insertions(+), 67 deletions(-)
diff --git a/lib/drmtest.c b/lib/drmtest.c
index 3c4812f..71dd06b 100644
--- a/lib/drmtest.c
+++ b/lib/drmtest.c
@@ -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,
diff --git a/lib/drmtest.h b/lib/drmtest.h
index 38aeb9d..3c1368d 100644
--- a/lib/drmtest.h
+++ b/lib/drmtest.h
@@ -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,
diff --git a/tests/testdisplay.c b/tests/testdisplay.c
index e7a2555..67b7031 100644
--- a/tests/testdisplay.c
+++ b/tests/testdisplay.c
@@ -331,86 +331,48 @@ static void
paint_output_info(cairo_t *cr, int l_width, int l_height, void *priv)
{
struct connector *c = priv;
- cairo_text_extents_t name_extents, mode_extents;
- char name_buf[128], mode_buf[128];
- int i, x, y, modes_x, modes_y;
+ double str_width;
+ double x, y, top_y;
+ double max_width;
+ int i;
- /* Get text extents for each string */
- snprintf(name_buf, sizeof name_buf, "%s",
- kmstest_connector_type_str(c->connector->connector_type));
- cairo_set_font_size(cr, 48);
cairo_select_font_face(cr, "Helvetica",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
- cairo_text_extents(cr, name_buf, &name_extents);
-
- snprintf(mode_buf, sizeof mode_buf, "%s @ %dHz on %s encoder",
- c->mode.name, c->mode.vrefresh,
- kmstest_encoder_type_str(c->encoder->encoder_type));
- cairo_set_font_size(cr, 36);
- cairo_text_extents(cr, mode_buf, &mode_extents);
+ cairo_move_to(cr, l_width / 2, l_height / 2);
- /* Paint output name */
- x = l_width / 2;
- x -= name_extents.width / 2;
- y = l_height / 2;
- y -= (name_extents.height / 2) - (mode_extents.height / 2) - 10;
+ /* Print connector and mode name */
cairo_set_font_size(cr, 48);
- cairo_move_to(cr, x, y);
- cairo_text_path(cr, name_buf);
- cairo_set_source_rgb(cr, 0, 0, 0);
- cairo_stroke_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 1);
- cairo_fill(cr);
-
- /* Paint mode name */
- x = l_width / 2;
- x -= mode_extents.width / 2;
- modes_x = x;
- y = l_height / 2;
- y += (mode_extents.height / 2) + (name_extents.height / 2) + 10;
+ kmstest_cairo_printf_line(cr, align_hcenter, 10, "%s",
+ kmstest_connector_type_str(c->connector->connector_type));
+
cairo_set_font_size(cr, 36);
- cairo_move_to(cr, x, y);
- cairo_text_path(cr, mode_buf);
- cairo_set_source_rgb(cr, 0, 0, 0);
- cairo_stroke_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 1);
- cairo_fill(cr);
+ str_width = kmstest_cairo_printf_line(cr, align_hcenter, 10,
+ "%s @ %dHz on %s encoder", c->mode.name, c->mode.vrefresh,
+ kmstest_encoder_type_str(c->encoder->encoder_type));
+
+ cairo_rel_move_to(cr, -str_width / 2, 0);
/* List available modes */
- snprintf(mode_buf, sizeof mode_buf, "Available modes:");
cairo_set_font_size(cr, 18);
- cairo_text_extents(cr, mode_buf, &mode_extents);
- x = modes_x;
- modes_x = x + mode_extents.width;
- y += mode_extents.height + 10;
- modes_y = y;
- cairo_move_to(cr, x, y);
- cairo_text_path(cr, mode_buf);
- cairo_set_source_rgb(cr, 0, 0, 0);
- cairo_stroke_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 1);
- cairo_fill(cr);
+ str_width = kmstest_cairo_printf_line(cr, align_left, 10,
+ "Available modes:");
+ cairo_rel_move_to(cr, str_width, 0);
+ cairo_get_current_point(cr, &x, &top_y);
+ max_width = 0;
for (i = 0; i < c->connector->count_modes; i++) {
- snprintf(mode_buf, sizeof mode_buf, "%s @ %dHz",
- c->connector->modes[i].name,
- c->connector->modes[i].vrefresh);
- cairo_set_font_size(cr, 18);
- cairo_text_extents(cr, mode_buf, &mode_extents);
- x = modes_x - mode_extents.width; /* right justify modes */
- y += mode_extents.height + 10;
- if (y + mode_extents.height >= height) {
- y = modes_y + mode_extents.height + 10;
- modes_x += mode_extents.width + 10;
- x = modes_x - mode_extents.width;
+ cairo_get_current_point(cr, &x, &y);
+ if (y >= l_height) {
+ x += max_width + 10;
+ max_width = 0;
+ cairo_move_to(cr, x, top_y);
}
- cairo_move_to(cr, x, y);
- cairo_text_path(cr, mode_buf);
- cairo_set_source_rgb(cr, 0, 0, 0);
- cairo_stroke_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 1);
- cairo_fill(cr);
+ str_width = kmstest_cairo_printf_line(cr, align_right, 10,
+ "%s @ %dHz", c->connector->modes[i].name,
+ c->connector->modes[i].vrefresh);
+ if (str_width > max_width)
+ max_width = str_width;
}
if (qr_code)
--
1.8.1.2
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