From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 4.mo3.mail-out.ovh.net ([178.33.46.10] helo=mo3.mail-out.ovh.net) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TAPPO-0001HQ-3B for barebox@lists.infradead.org; Sat, 08 Sep 2012 18:05:35 +0000 Received: from mail91.ha.ovh.net (b7.ovh.net [213.186.33.57]) by mo3.mail-out.ovh.net (Postfix) with SMTP id 48A10FF8B57 for ; Sat, 8 Sep 2012 20:13:11 +0200 (CEST) From: Jean-Christophe PLAGNIOL-VILLARD Date: Sat, 8 Sep 2012 20:05:37 +0200 Message-Id: <1347127542-11981-6-git-send-email-plagnioj@jcrosoft.com> In-Reply-To: <1347127542-11981-1-git-send-email-plagnioj@jcrosoft.com> References: <20120908180310.GH20330@game.jcrosoft.org> <1347127542-11981-1-git-send-email-plagnioj@jcrosoft.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 06/11] splash: add support to set a background color To: barebox@lists.infradead.org This will allow to reset the screen to a default color when using transparent PNG. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- commands/splash.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 76 insertions(+), 3 deletions(-) diff --git a/commands/splash.c b/commands/splash.c index 88a6cf1..4bddc6c 100644 --- a/commands/splash.c +++ b/commands/splash.c @@ -9,6 +9,66 @@ #include #include +static u32 get_pixel(struct fb_info *info, u32 color) +{ + u32 px; + u8 t = (color >> 24) & 0xff; + u8 r = (color >> 16) & 0xff; + u8 g = (color >> 8 ) & 0xff; + u8 b = (color >> 0 ) & 0xff; + + if (info->grayscale) { + px = (r | g | b) ? 0xffffffff : 0x0; + return px; + } + + px = (t >> (8 - info->transp.length)) << info->transp.offset | + (r >> (8 - info->red.length)) << info->red.offset | + (g >> (8 - info->green.length)) << info->green.offset | + (b >> (8 - info->blue.length)) << info->blue.offset; + + return px; +} + +static void memsetw(void *s, u16 c, size_t n) +{ + size_t i; + u16* tmp = s; + + for (i = 0; i < n; i++) + *tmp++ = c; +} + +static void memsetl(void *s, u32 c, size_t n) +{ + size_t i; + u32* tmp = s; + + for (i = 0; i < n; i++) + *tmp++ = c; +} + +static void memset_pixel(struct fb_info *info, void* buf, u32 color, size_t size) +{ + u32 px; + u8 *screen = buf; + + px = get_pixel(info, color); + + switch (info->bits_per_pixel) { + case 8: + memset(screen, (uint8_t)px, size); + break; + case 16: + memsetw(screen, (uint16_t)px, size); + break; + case 32: + case 24: + memsetl(screen, px, size); + break; + } +} + static int do_splash(int argc, char *argv[]) { int ret, opt, fd; @@ -19,13 +79,19 @@ static int do_splash(int argc, char *argv[]) int startx = -1, starty = -1; int xres, yres; int offscreen = 0; + u32 bg_color = 0x00000000; + bool do_bg = false; void *offscreenbuf = NULL; - while((opt = getopt(argc, argv, "f:x:y:o")) > 0) { + while((opt = getopt(argc, argv, "f:x:y:ob:")) > 0) { switch(opt) { case 'f': fbdev = optarg; break; + case 'b': + bg_color = simple_strtoul(optarg, NULL, 0); + do_bg = true; + break; case 'x': startx = simple_strtoul(optarg, NULL, 0); break; @@ -71,8 +137,14 @@ static int do_splash(int argc, char *argv[]) fbsize = xres * yres * (info.bits_per_pixel >> 3); offscreenbuf = malloc(fbsize); - if (offscreenbuf) - memcpy(offscreenbuf, fb, fbsize); + if (offscreenbuf) { + if (do_bg) + memset_pixel(&info, offscreenbuf, bg_color, xres * yres); + else + memcpy(offscreenbuf, fb, fbsize); + } + } else if (do_bg) { + memset_pixel(&info, fb, bg_color, xres * yres); } if (image_renderer_file(&info, image_file, fb, startx, starty, @@ -98,6 +170,7 @@ BAREBOX_CMD_HELP_SHORT("Show the bitmap FILE on the framebuffer.\n") BAREBOX_CMD_HELP_OPT ("-f ", "framebuffer device (/dev/fb0)\n") BAREBOX_CMD_HELP_OPT ("-x ", "x offset (default center)\n") BAREBOX_CMD_HELP_OPT ("-y ", "y offset (default center)\n") +BAREBOX_CMD_HELP_OPT ("-b ", "backgroung color\n") BAREBOX_CMD_HELP_OPT ("-o", "render offscreen\n") BAREBOX_CMD_HELP_END -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox