From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-x244.google.com ([2607:f8b0:400e:c00::244]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFZxE-0004O9-M5 for barebox@lists.infradead.org; Wed, 22 Jun 2016 04:39:57 +0000 Received: by mail-pf0-x244.google.com with SMTP id c74so2997155pfb.0 for ; Tue, 21 Jun 2016 21:39:34 -0700 (PDT) From: Andrey Smirnov Date: Tue, 21 Jun 2016 21:39:27 -0700 Message-Id: <1466570369-1950-1-git-send-email-andrew.smirnov@gmail.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" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/3] GUI: Add a function to draw solid rectangles To: barebox@lists.infradead.org Cc: Andrey Smirnov Add a routine implementing midpoint circle algorithm Signed-off-by: Andrey Smirnov --- include/gui/graphic_utils.h | 3 +++ lib/gui/graphic_utils.c | 26 ++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/include/gui/graphic_utils.h b/include/gui/graphic_utils.h index 231b3a9..279fdf9 100644 --- a/include/gui/graphic_utils.h +++ b/include/gui/graphic_utils.h @@ -28,4 +28,7 @@ void gu_invert_area(struct fb_info *info, void *buf, int startx, int starty, int void gu_screen_blit_area(struct screen *sc, int startx, int starty, int width, int height); +void gu_fill_rectangle(struct screen *sc, + int x1, int y1, int x2, int y2, + u8 r, u8 g, u8 b, u8 a); #endif /* __GRAPHIC_UTILS_H__ */ diff --git a/lib/gui/graphic_utils.c b/lib/gui/graphic_utils.c index 2fe9fa3..c6c4373 100644 --- a/lib/gui/graphic_utils.c +++ b/lib/gui/graphic_utils.c @@ -336,3 +336,29 @@ 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); + + BUG_ON(x1 < 0 || y1 < 0 || + x2 < 0 || y2 < 0); + + 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; + } + } +} -- 2.5.5 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox