diff options
Diffstat (limited to 'src/AGL_DSp.cpp')
| -rw-r--r-- | src/AGL_DSp.cpp | 83 |
1 files changed, 38 insertions, 45 deletions
diff --git a/src/AGL_DSp.cpp b/src/AGL_DSp.cpp index eace870..8e86b0a 100644 --- a/src/AGL_DSp.cpp +++ b/src/AGL_DSp.cpp @@ -2,19 +2,16 @@ #include "AGL_DSp.h" #include "Alerts.h" - /**> GLOBAL VARIABLES <**/ DSpContextAttributes gDSpContextAttributes; // Global DrawSprocket context attributes DSpContextReference gDSpContext; // The global DrawSprocket context AGLContext gOpenGLContext; // The global OpenGL (AGL) context - /********************> ToolboxInit() <*****/ void ToolboxInit( void ) { - MaxApplZone(); - + InitGraf( &qd.thePort ); InitFonts(); InitWindows(); @@ -22,39 +19,38 @@ void ToolboxInit( void ) TEInit(); InitDialogs( 0L ); InitCursor(); - } /********************> HasAppearance() <*****/ Boolean HasAppearance( void ) { - + OSErr error; SInt32 response; Boolean appearancePresent = false; Boolean appearance101present = false; Boolean appearance110present = false; Boolean inCompatibilityMode = false; - + error = Gestalt( gestaltAppearanceAttr, &response ); - + // If Gestalt returns no error and the bit in response represented by the constant // gestaltAppearanceExists is set, proceed, otherwise exit with an error message. - + if ( error == noErr && ( BitTst( &response, 31 - gestaltAppearanceExists ) ) ) { // At least Version 1.0 is present. Set a flag. appearancePresent = true; - + // If the bit in response represented by the constant gestaltAppearanceCompatMode // is set, system-wide Appearance is off. The result of this check will be // relevant only where Versions 1.0 through 1.0.3 are present. if( BitTst( &response, 31 - gestaltAppearanceCompatMode ) ) inCompatibilityMode = true; - + // Call Gestalt again with the gestaltAppearanceVersion selector. Gestalt( gestaltAppearanceVersion, &response ); - + // If the low order word in response is 0x0101, Version 1.0.1, 1.0.2, or 1.0.3 is // present. If the low order word in response is 0x0110, Version 1.1 is available. if( response == 0x00000101 ) @@ -67,26 +63,26 @@ Boolean HasAppearance( void ) StopAlert( kNoAppearanceAlert, nil ); ExitToShell(); }*/ - + // Register this app as an Appearance Client //RegisterAppearanceClient(); - + return appearancePresent; - + } /********************> SetupScreen() <*****/ CGrafPtr SetupScreen( int width, int height ) { - + OSStatus theError; CGrafPtr theFrontBuffer; - + // Start DrawSprocket theError = DSpStartup(); if( theError ) FatalErrorAlert( kErr_DSpStartupFailed, theError ); - + // Set the Context Attributes gDSpContextAttributes.displayWidth = width; gDSpContextAttributes.displayHeight = height; @@ -96,104 +92,104 @@ CGrafPtr SetupScreen( int width, int height ) gDSpContextAttributes.displayBestDepth = 32; gDSpContextAttributes.backBufferBestDepth = 32; gDSpContextAttributes.pageCount = 1; - + // Find the best context for our attributes theError = DSpFindBestContext( &gDSpContextAttributes, &gDSpContext ); if( theError != noErr ) FatalErrorAlert( kErr_DSpFindBestContextFailed, theError ); // This function is in my Alerts.cpp - + // Reserve that context theError = DSpContext_Reserve( gDSpContext, &gDSpContextAttributes ); if( theError != noErr ) FatalErrorAlert( kErr_DSpContext_ReserveFailed, theError ); - + // Fade out - theError = DSpContext_FadeGammaOut( NULL, NULL ); + theError = DSpContext_FadeGammaOut( NULL, NULL ); if( theError != noErr ) FatalErrorAlert( kErr_DSpFadeFailed, theError ); - + // Activate the context theError = DSpContext_SetState( gDSpContext, kDSpContextState_Active ); if( theError != noErr ) { // Fade back in the display before dying theError = DSpContext_FadeGammaIn( NULL, NULL ); - + // Now do the fatal error alert FatalErrorAlert( kErr_ActivateContextFailed, theError ); } - + // Fade in theError = DSpContext_FadeGammaIn( NULL, NULL ); if( theError != noErr ) FatalErrorAlert( kErr_DSpFadeFailed, theError ); - + // Create a window to draw in CreateWindow( theFrontBuffer, width, height ); - + return theFrontBuffer; - + } /********************> CreateWindow() <*****/ void CreateWindow( CGrafPtr &theFrontBuffer, int width, int height ) { - + Rect rect; AuxWinHandle awh; CTabHandle theColorTable; OSErr error; RGBColor backColor = { 0xFFFF, 0xFFFF, 0xFFFF }; RGBColor foreColor = { 0x0000, 0x0000, 0x0000 }; - + // Set the window rect rect.top = rect.left = 0; DSpContext_LocalToGlobal( gDSpContext, ( Point* )&rect ); rect.right = rect.left + width; rect.bottom = rect.top + height; - + // Create a new color window theFrontBuffer = ( CGrafPtr )NewCWindow( NULL, &rect, "\p", 0, plainDBox, kMoveToFront, 0, 0 ); - - // set the content color of the window to black to avoid a white flash when the window appears. + + // set the content color of the window to black to avoid a white flash when the window appears. if ( GetAuxWin( ( WindowPtr )theFrontBuffer, &awh ) ) { theColorTable = ( **awh ).awCTable; error = HandToHand( ( Handle* )&theColorTable ); if ( error ) DebugStr( "\pOut of memory!" ); - + ( **theColorTable ).ctTable[wContentColor].rgb.red = 0; ( **theColorTable ).ctTable[wContentColor].rgb.green = 0; ( **theColorTable ).ctTable[wContentColor].rgb.blue = 0; - + CTabChanged( theColorTable ); - + // the color table will be disposed by the window manager when the window is disposed SetWinColor( ( WindowPtr )theFrontBuffer, ( WCTabHandle )theColorTable ); } - + // Show the window ShowWindow( ( GrafPtr )theFrontBuffer ); SetPort( ( GrafPtr )theFrontBuffer ); - + // Set current pen colors RGBForeColor( &foreColor ); RGBBackColor( &backColor ); - + } /********************> ShutdownScreen() <*****/ void ShutdownScreen( CGrafPtr theFrontBuffer ) { - + DSpContext_FadeGammaOut( NULL, NULL ); DisposeWindow( ( WindowPtr )theFrontBuffer ); DSpContext_SetState( gDSpContext, kDSpContextState_Inactive ); DSpContext_FadeGammaIn( NULL, NULL ); DSpContext_Release( gDSpContext ); DSpShutdown(); - + } /********************> SetupAGL() <*****/ @@ -218,7 +214,7 @@ AGLContext SetupAGL( AGLDrawable window ) ok = aglSetDrawable( context, window ); if ( !ok ) return NULL; - + // Make the context the current context ok = aglSetCurrentContext( context ); if ( !ok ) @@ -228,15 +224,12 @@ AGLContext SetupAGL( AGLDrawable window ) aglDestroyPixelFormat( format ); return context; - } /********************> CleanupAGL() <*****/ void CleanupAGL( AGLContext context ) { - aglSetCurrentContext( NULL ); aglSetDrawable( context, NULL ); aglDestroyContext( context ); - } |