{"id":8538,"url":"https://patchwork.libcamera.org/api/1.1/patches/8538/?format=json","web_url":"https://patchwork.libcamera.org/patch/8538/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20200701123036.51922-12-jacopo@jmondi.org>","date":"2020-07-01T12:30:32","name":"[libcamera-devel,11/15] libcamera: geometry: Add isNull() function to Rectangle class","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"c9da59a911a2d99c6074630bb585276a56fed7a6","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/1.1/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/8538/mbox/","series":[{"id":1066,"url":"https://patchwork.libcamera.org/api/1.1/series/1066/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1066","date":"2020-07-01T12:30:21","name":"libcamera: ipu3: Rework streams configuration","version":1,"mbox":"https://patchwork.libcamera.org/series/1066/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/8538/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/8538/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 50C5BBF415\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed,  1 Jul 2020 12:27:27 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 223D560CBE;\n\tWed,  1 Jul 2020 14:27:27 +0200 (CEST)","from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net\n\t[217.70.183.197])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8909960CC2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed,  1 Jul 2020 14:27:25 +0200 (CEST)","from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay5-d.mail.gandi.net (Postfix) with ESMTPSA id 2813C1C0003;\n\tWed,  1 Jul 2020 12:27:24 +0000 (UTC)"],"X-Originating-IP":"93.34.118.233","From":"Jacopo Mondi <jacopo@jmondi.org>","To":"libcamera-devel@lists.libcamera.org","Date":"Wed,  1 Jul 2020 14:30:32 +0200","Message-Id":"<20200701123036.51922-12-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.27.0","In-Reply-To":"<20200701123036.51922-1-jacopo@jmondi.org>","References":"<20200701123036.51922-1-jacopo@jmondi.org>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH 11/15] libcamera: geometry: Add isNull()\n\tfunction to Rectangle class","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"It's common for code to check if a rectangle is null. Add a helper function\nto do so.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n include/libcamera/geometry.h | 1 +\n src/libcamera/geometry.cpp   | 6 ++++++\n 2 files changed, 7 insertions(+)","diff":"diff --git a/include/libcamera/geometry.h b/include/libcamera/geometry.h\nindex 7d4b8bcfe3d8..44561d9cc5a4 100644\n--- a/include/libcamera/geometry.h\n+++ b/include/libcamera/geometry.h\n@@ -18,6 +18,7 @@ struct Rectangle {\n \tunsigned int width;\n \tunsigned int height;\n \n+\tbool isNull() const { return !width && !height; }\n \tconst std::string toString() const;\n };\n \ndiff --git a/src/libcamera/geometry.cpp b/src/libcamera/geometry.cpp\nindex 24c44fb43acf..af29ed1119fe 100644\n--- a/src/libcamera/geometry.cpp\n+++ b/src/libcamera/geometry.cpp\n@@ -49,6 +49,12 @@ namespace libcamera {\n  * \\brief The distance between the top and bottom sides\n  */\n \n+/**\n+ * \\fn bool Rectangle::isNull() const\n+ * \\brief Check if the rectangle is null\n+ * \\return True if both the width and height are 0, or false otherwise\n+ */\n+\n /**\n  * \\brief Assemble and return a string describing the rectangle\n  * \\return A string describing the Rectangle\n","prefixes":["libcamera-devel","11/15"]}