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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2016-06-27 21:27:56 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-06-30 08:33:53 +0200 |
| commit | 0cd1a5192400ee4b700d33418f08d6eb7fe4dfdf (patch) | |
| tree | 262e1f14debc7d99fded70f5fee0db1bd53b0c72 /lib/gui | |
| parent | d7fc1c18e785277f24a69e2aaa1a2c6e80e2b0cf (diff) | |
| download | barebox-0cd1a5192400ee4b700d33418f08d6eb7fe4dfdf.tar.gz barebox-0cd1a5192400ee4b700d33418f08d6eb7fe4dfdf.tar.xz | |
GUI: Add a function to draw vertical/horizontal bars
Add a function to draw solid vertical or horizontal bars.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib/gui')
| -rw-r--r-- | lib/gui/graphic_utils.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/gui/graphic_utils.c b/lib/gui/graphic_utils.c index 2fe9fa358a..d3f5cce4b7 100644 --- a/lib/gui/graphic_utils.c +++ b/lib/gui/graphic_utils.c @@ -336,3 +336,32 @@ void gu_screen_blit(struct screen *sc) if (info->screen_base_shadow) memcpy(info->screen_base, info->screen_base_shadow, sc->fbsize); } + +void gu_fill_rectangle(struct screen *sc, + int x1, int y1, int x2, int y2, + u8 r, u8 g, u8 b, u8 a) +{ + int y; + void *buf = gui_screen_render_buffer(sc); + + x1 = max(0, x1); + y1 = max(0, y1); + + x2 = (x2 < 0) ? sc->info->xres - 1 : x2; + y2 = (y2 < 0) ? sc->info->yres - 1 : y2; + + if (x2 < x1) + swap(x1, x2); + if (y2 < y1) + swap(y1, y2); + + for(y = y1; y <= y2; y++) { + int x; + unsigned char *pixel = buf + y * sc->info->line_length + + x1 * (sc->info->bits_per_pixel / 8); + for(x = x1; x <= x2; x++) { + gu_set_rgba_pixel(sc->info, pixel, r, g, b, a); + pixel += sc->info->bits_per_pixel / 8; + } + } +} |