BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  TBipmap won't load .bmp saved with photoshop          BorlandTalk.com Forum Index -> Delphi Graphics View previous topic :: View next topic   Author Message Hertwig Guest Posted: Wed Jun 16, 2004 8:25 pm    Post subject: TBipmap won't load .bmp saved with photoshop Hi, I have a problem with the TBitmap. It appears it won't load .bmp files that are created using Photoshop (notmap RGB photo). PaintShop will read it as will Windows Paint. Still I get a Stream Read Error when trying to load the bmp in a TBitmap. Does anyone recognize this? Btw. I use Delphi 7 Thank s in advance Hert Back to top Hertwig Guest Posted: Wed Jun 16, 2004 8:29 pm    Post subject: Re: TBipmap won't load .bmp saved with photoshop ps bmp files created with other applications can be loaded without problems. Back to top Samson Fu Guest Posted: Thu Jun 17, 2004 12:47 am    Post subject: Re: TBipmap won't load .bmp saved with photoshop Yes, this issue appears when your BMP file size is multiple of 16.. I don't know how to fix this in delphi. But you can load the bmp in windows paint and save again, then delphi is able to read the bmp.. -- Samson Fu "Hertwig" <bont2 (AT) hotmail (DOT) com> wrote Quote: Hi, I have a problem with the TBitmap. It appears it won't load .bmp files that are created using Photoshop (notmap RGB photo). PaintShop will read it as will Windows Paint. Still I get a Stream Read Error when trying to load the bmp in a TBitmap. Does anyone recognize this? Btw. I use Delphi 7 Thank s in advance Hert Back to top Lord Crc Guest Posted: Thu Jun 17, 2004 1:14 pm    Post subject: Re: TBipmap won't load .bmp saved with photoshop On Wed, 16 Jun 2004 22:25:16 +0200, "Hertwig" <bont2 (AT) hotmail (DOT) com> wrote: Quote: I have a problem with the TBitmap. It appears it won't load .bmp files that are created using Photoshop (notmap RGB photo). PaintShop will read it as will Windows Paint. Still I get a Stream Read Error when trying to load the bmp in a TBitmap. Does anyone recognize this? Yes, it's a bug in Photoshop. To work around it, copy graphics.pas to the folder of your project, and perform the following (taken from my previous post on this issue): In TBitmap.ReadDIB, find this line: // biSizeImage can be zero. If zero, compute the size. if biSizeImage = 0 then // top-down DIBs have negative height Replace the if statement with this: if (bmiHeader.biCompression = BI_RGB) then this will force it to calculate the correct value for all non-compressed RGB images, which should work always (as an RGB image is per definition uncompressed, it just a matter of arithmetics). - Asbjørn Back to top Hertwig Guest Posted: Thu Jun 17, 2004 1:45 pm    Post subject: Re: TBipmap won't load .bmp saved with photoshop Thanks Lord Crc, That did it! I can read the bitmap now. Hert ---------------------------------------------------- "Lord Crc" <lordcrc (AT) hotmail (DOT) com> wrote Quote: On Wed, 16 Jun 2004 22:25:16 +0200, "Hertwig" wrote: I have a problem with the TBitmap. It appears it won't load .bmp files that are created using Photoshop (notmap RGB photo). PaintShop will read it as will Windows Paint. Still I get a Stream Read Error when trying to load the bmp in a TBitmap. Does anyone recognize this? Yes, it's a bug in Photoshop. To work around it, copy graphics.pas to the folder of your project, and perform the following (taken from my previous post on this issue): In TBitmap.ReadDIB, find this line: // biSizeImage can be zero. If zero, compute the size. if biSizeImage = 0 then // top-down DIBs have negative height Replace the if statement with this: if (bmiHeader.biCompression = BI_RGB) then this will force it to calculate the correct value for all non-compressed RGB images, which should work always (as an RGB image is per definition uncompressed, it just a matter of arithmetics). - Asbjørn 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.