Article View: comp.windows.interviews
Article #892Re: How to check that Bitmap is valid?
From: Mark Linton
Date: Mon, 15 Apr 1991 15:35
Date: Mon, 15 Apr 1991 15:35
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1235 bytes
In article <9104121357.AA03653@control.lth.se>, dag@CONTROL.LTH.SE (Dag Bruck) writes: |> Environment: InterViews 2.6 with patches, Sun-4, SunOS 4.1.1, Cfront 2.1. |> |> I create bitmap objects using the constructor |> |> Bitmap(const char* filename); |> |> However, if the given filename doesn't refer to a valid bitmap file, |> I get some strange X protocol error later on. |> |> QUESTION: How do I check that the created Bitmap object really refers |> to a valid bitmap? This is a bug. 3.0 no longer has that constructor, but instead has a static member function "open" that returns a Bitmap* if the file is found or nil otherwise.
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<1991Apr15.153520.16312@odin.corp.sgi.com>Path:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!decwrl!sgi!shinobu!odin!marktwain.rad.sgi.com!linton From: linton@marktwain.rad.sgi.com (Mark Linton) Newsgroups: comp.windows.interviews Subject: Re: How to check that Bitmap is valid? Message-ID: <1991Apr15.153520.16312@odin.corp.sgi.com> Date: 15 Apr 91 15:35:20 GMT References: <9104121357.AA03653@control.lth.se> Sender: news@odin.corp.sgi.com (Net News) Reply-To: linton@marktwain.rad.sgi.com (Mark Linton) Organization: sgi Lines: 15