BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  How to read Image from stream using GDIplus?          BorlandTalk.com Forum Index -> Delphi Graphics View previous topic :: View next topic   Author Message Samson Fu Guest Posted: Wed Jun 02, 2004 8:22 am    Post subject: How to read Image from stream using GDIplus? I try to read a resource image using GDIPlus, but failed. A CPU Debugger popup, I don't know what to do with that.. I am using GDI+ classes from progdigy. Here is my code: var ResStream: TResourceStream; SA: TStreamAdapter; begin ResStream := TResourceStream.Create(HInstance, 'RADIOM', RT_RCDATA); ResStream.Position:= 0; SA:= TStreamAdapter.Create(ResStream); P:= TGPImage.Create(SA as IStream); //// CPU window popup here~ SA.Free; ResStream.Free; Back to top Samson Fu Guest Posted: Wed Jun 02, 2004 10:26 am    Post subject: Re: How to read Image from stream using GDIplus? Oh, forget to say, my resources 'RADIOM' is a PNG data. "Samson Fu" <samson_fu (AT) hotmail (DOT) com> wrote Quote: I try to read a resource image using GDIPlus, but failed. A CPU Debugger popup, I don't know what to do with that.. I am using GDI+ classes from progdigy. Here is my code: var ResStream: TResourceStream; SA: TStreamAdapter; begin ResStream := TResourceStream.Create(HInstance, 'RADIOM', RT_RCDATA); ResStream.Position:= 0; SA:= TStreamAdapter.Create(ResStream); P:= TGPImage.Create(SA as IStream); //// CPU window popup here~ SA.Free; ResStream.Free; Back to top Peter Below (TeamB) Guest Posted: Wed Jun 02, 2004 5:45 pm    Post subject: Re: How to read Image from stream using GDIplus? In article <40bd8e4b$1 (AT) newsgroups (DOT) borland.com>, Samson Fu wrote: Quote: I try to read a resource image using GDIPlus, but failed. A CPU Debugger popup, I don't know what to do with that.. I am using GDI+ classes from progdigy. Here is my code: var ResStream: TResourceStream; SA: TStreamAdapter; begin ResStream := TResourceStream.Create(HInstance, 'RADIOM', RT_RCDATA); ResStream.Position:= 0; SA:= TStreamAdapter.Create(ResStream); P:= TGPImage.Create(SA as IStream); //// CPU window popup here~ The problem is probably that the TGPImage class has no way to find out the image type from the stream data. So it makes an assumption and that turns out to be wrong. Result: instant mayhem <g>. -- Peter Below (TeamB) Use the newsgroup archives : http://www.mers.com/searchsite.html http://www.tamaracka.com/search.htm http://groups.google.com http://www.prolix.be Back to top Samson Fu Guest Posted: Thu Jun 03, 2004 2:32 am    Post subject: Re: How to read Image from stream using GDIplus? Thank you~ I just found an old post discuss about this. The bug is borland does not implement TStreamAdapter.Stat good enough, I post the solution link here for anybody read this post: http://groups.google.com.hk/groups?q=TStreamAdapter+gdi&hl=zh-TW&lr=&ie=UTF-8&selm=3f083d88%40newsgroups.borland.com&rnum=1 "Peter Below (TeamB)" <100113.1101 (AT) compuXXserve (DOT) com> wrote Quote: In article <40bd8e4b$1 (AT) newsgroups (DOT) borland.com>, Samson Fu wrote: I try to read a resource image using GDIPlus, but failed. A CPU Debugger popup, I don't know what to do with that.. I am using GDI+ classes from progdigy. Here is my code: var ResStream: TResourceStream; SA: TStreamAdapter; begin ResStream := TResourceStream.Create(HInstance, 'RADIOM', RT_RCDATA); ResStream.Position:= 0; SA:= TStreamAdapter.Create(ResStream); P:= TGPImage.Create(SA as IStream); //// CPU window popup here~ The problem is probably that the TGPImage class has no way to find out the image type from the stream data. So it makes an assumption and that turns out to be wrong. Result: instant mayhem <g>. -- Peter Below (TeamB) Use the newsgroup archives : http://www.mers.com/searchsite.html http://www.tamaracka.com/search.htm http://groups.google.com http://www.prolix.be Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         BorlandTalk.com Forum Index -> Delphi Graphics All times are GMT Page 1 of 1   Jump to: Select a forum C++ Builder Newsgroups----------------C++ BuilderC++ Builder (ActiveX)C++ Builder (Announcements)C++ Builder (Command Line Tools)C++ Builder DatabasesC++ Builder Databases (ADO)C++ Builder Databases (Desktop)C++ Builder Databases (InterBase Express)C++ Builder Databases (Multi-Tier)C++ Builder Databases (SQL Servers)C++ Builder (Graphics)C++ Builder (IDE)C++ Builder (Internet)C++ Builder (Internet Socket)C++ Builder (Internet Web)C++ Builder (Jobs)C++ Builder (Language)C++ Builder (Language C++)C++ Builder (Compatibility with MFC)C++ Builder (Native API)C++ Builder (Non-Technical)C++ Builder (Students)C++ Builder (Third Party Tools)C++ Builder (Upgrade)C++ Builder (VCL)C++ Builder (VCL Components Usage)C++ Builder (VCL Components Development)C++ Builder (VCL Usage)C++ Builder (WinAPI)C++ Builder Installation Delphi Newsgroups----------------Delphi (General)Delphi ActiveX Controls UsageDelphi ActiveX Controls DevelopmentDelphi As400Delphi DatabasesDelphi Databases (ADO)Delphi Databases (dbExpress)Delphi Databases (Desktop)Delphi Databases (InterBase Express)Delphi Databases (Multi-Tier)Delphi Databases (SQL Servers)Delphi DeploymentDelphi GraphicsDelphi IDEDelphi InternationalizationDelphi InternetDelphi Internet Isapi-WebBrokerDelphi Internet WebSnapDelphi Internet WinsockDelphi JobsDelphi Language BASMDelphi Language ObjectPascalDelphi Model Driven Architecture (General)Delphi Model Driven Architecture (Third Party)Delphi MultimediaDelphi Native APIDelphi Non-TechnicalDelphi ObjectPascalDelphi OLE AutomationDelphi OO designDelphi OpenToolsAPIDelphi Reporting-ChartingDelphi RTLDelphi StudentsDelphi TeamSourceDelphi Thirdparty ToolsDelphi Thirdparty Tools (General)Delphi Thirdparty Tools (IntraWeb)Delphi Thirdparty Tools (RaveReports)Delphi UpgradeDelphi VCLDelphi VCL ComponentsDelphi VCL Components UsingDelphi VCL Components WritingDelphi WebServices SOAPDelphi WinAPIDelphi XMLDelphi Installationcomp.lang.pascal.delphi.components.misccomp.lang.pascal.delphi.components.usagecomp.lang.pascal.delphi.components.writingcomp.lang.pascal.delphi.databasescomp.lang.pascal.delphi.misccomp.sources.delphi JBuilder Newsgroups----------------JBuilderJBuilder AnnouncementsJBuilder Applet IssuesJBuilder As400JBuilder CompilerJBuilder CORBA/RMIJBuilder DatabasesJBuilder DB SwingJBuilder DebuggerJBuilder DeploymentJBuilder DocumentationJBuilder EnterpriseJBuilder HandheldJBuilder IDEJBuilder JavaJBuilder JavaAPIJBuilder Java LanguageJBuilder Java SwingJBuilder Java BeansJBuilder Java Beans UsageJBuilder Java Beans DevelopmentJBuilder JBCLJBuilder JDataStoreJBuilder JobsJBuilder LinuxJBuilder MacintoshJBuilder & MobileSetJBuilder MultiLingual AppsJBuilder Non-TechnicalJBuilder OpenToolsJBuilder Servlets (JSP)JBuilder StudentsJBuilder Team DevelopmentJBuilder Thirdparty ToolsJBuilder UpgradeJBuilder Installation InterBase Newsgroups----------------InterBaseInterBase Bug DiscussionInterBase GeneralInterBase IBConsoleInterBase OpenSourceInterBase ReplicationInterBase SQLInterBase ThirdpartyInterBase Installation Miscellaneous Borland Newsgroups----------------AppCenterAppServerEnteraVisiBroker  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.