bool MCReferencedImageRep::GetDataStream(IO_handle &r_stream)
{
	IO_handle t_stream = nil;
	if (MCSecureModeCanAccessDisk())
		t_stream = MCS_open(m_file_name, IO_READ_MODE, false, false, 0);
	
	// MW-2013-09-25: [[ Bug 10983 ]] Only ever try to load the rep as a url once.
	if (t_stream == nil && !m_url_load_attempted)
	{
		// MW-2013-09-25: [[ Bug 10983 ]] Mark the rep has having attempted url load.
		m_url_load_attempted = true;
		
		MCExecPoint ep(MCdefaultstackptr, nil, nil);
		ep.setsvalue(m_file_name);
		
		MCU_geturl(ep);
		
		if (ep.getsvalue().getlength() == 0)
			return false;

		/* UNCHECKED */ MCMemoryAllocateCopy(ep.getsvalue().getstring(), ep.getsvalue().getlength(), m_url_data);
		m_url_data_size = ep.getsvalue().getlength();

		t_stream = MCS_fakeopen(MCString((char*)m_url_data, m_url_data_size));
	}

	if (t_stream != nil)
		r_stream = t_stream;

	return t_stream != nil;
}
Exemple #2
0
Boolean MCDispatch::openenv(const char *sname, const char *env,
                            char **outpath, IO_handle &stream, uint4 offset)
{
	if ((env = MCS_getenv(env)) != NULL)
	{
		char *pathstring = strclone(env);
		char *fullpath = new char[strlen(env) + strlen(sname) + 2];
		char *eptr = pathstring;
		while (eptr != NULL)
		{
			char *path = eptr;
			eptr = strchr(eptr, ENV_SEPARATOR);
			if (eptr != NULL)
				*eptr++ = '\0';
#ifdef _WIN32
			sprintf(fullpath, "%s\\%s", path, sname);
#else
			sprintf(fullpath, "%s/%s", path, sname);
#endif

			if ((stream = MCS_open(fullpath, IO_READ_MODE, True, False,
			                       offset)) != NULL)
			{
				delete pathstring;
				*outpath = fullpath;
				return True;
			}
		}
		delete pathstring;
		delete fullpath;
	}
	return False;
}
Exemple #3
0
static bool load_custom_font_file_into_buffer_from_path(const char *p_path, char *&r_buffer, uint32_t &r_size)
{     
    bool t_success;
    t_success = true;
    
    char *t_font_path;
    t_font_path = nil;
    if (t_success)
        t_success = MCCStringFormat(t_font_path, "%s/%s%s", MCcmd, s_font_folder, p_path);
    
    if (t_success)
        t_success = MCS_exists(t_font_path, true);
    
    IO_handle t_font_file_handle;
    t_font_file_handle = nil;
    if (t_success)
	{
        t_font_file_handle = MCS_open(t_font_path, IO_READ_MODE, false, false, 0);
		t_success = t_font_file_handle != nil;
	}
    
    uint32_t t_file_size;
    t_file_size = 0;
    char *t_buffer;
    t_buffer = nil;
	if (t_success)
	{
		t_file_size = MCS_fsize(t_font_file_handle);
		t_success = MCMemoryAllocate(t_file_size + 1, t_buffer);
	}
    
	if (t_success)
	{
		IO_stat t_read_stat;
		uint32_t t_bytes_read;
        t_bytes_read = 0;
		while (t_success && t_bytes_read < t_file_size)
		{
			uint32_t t_count;
			t_count = t_file_size - t_bytes_read;
			t_read_stat = MCS_read(t_buffer + t_bytes_read, 1, t_count, t_font_file_handle);
			t_bytes_read += t_count;
			t_success = (t_read_stat == IO_NORMAL || (t_read_stat == IO_EOF && t_bytes_read == t_file_size));
		}
	}
    
    if (t_success)
    {
        r_buffer = t_buffer;
        r_size = t_file_size;
    }
    else
        /*UNCHECKED */ MCMemoryDelete(t_buffer);
    
    /*UNCHECKED */ MCCStringFree(t_font_path);
    
    return t_success;
}
Exemple #4
0
Boolean MCDispatch::openstartup(const char *sname,
                                char **outpath, IO_handle &stream)
{
	if (enginedir == nil)
		return False;

		uint4 l = MCU_max((uint4)strlen(enginedir), (uint4)strlen(startdir)) + strlen(sname) + 11;
		char *fullpath = new char[l];
		sprintf(fullpath, "%s/%s", startdir, sname);
		if ((stream = MCS_open(fullpath, IO_READ_MODE, True, False, 0)) != NULL)
		{
			*outpath = fullpath;
			return True;
		}
		sprintf(fullpath, "%s/%s", enginedir, sname);
		if ((stream = MCS_open(fullpath, IO_READ_MODE, True, False, 0)) != NULL)
		{
			*outpath = fullpath;
			return True;
		}
		delete fullpath;

	return False;
}
Exemple #5
0
void MCS_downloadurl(MCObject *p_target, const char *p_url, const char *p_file)
{
    bool t_success = true;

    char *t_processed = nil;
    MCObjectHandle *t_obj = nil;
    IO_handle t_output = nil;
    MCSDownloadUrlState t_state;

    t_output = MCS_open(p_file, IO_WRITE_MODE, False, False, 0);
    if (t_output == nil)
    {
        MCresult -> sets("can't open that file");
        return;
    }

    t_success = MCSystemProcessUrl(p_url, kMCSystemUrlOperationStrip, t_processed);
    if (t_success)
        t_success = nil != (t_obj = p_target->gethandle());

    if (t_success)
    {
        t_state . url = t_processed;
        t_state . status = kMCSystemUrlStatusNone;
        t_state . object = t_obj;
        t_state . output = t_output;
        t_state . length = 0;
        t_state . total = 0;

        t_success = MCSystemLoadUrl(t_processed, MCS_downloadurl_callback, &t_state);
    }

    if (t_success)
    {
        while(t_state . status != kMCSystemUrlStatusFinished && t_state . status != kMCSystemUrlStatusError)
            MCscreen -> wait(60.0, True, True);

        if (t_state . status == kMCSystemUrlStatusFinished)
            MCresult -> clear();
    }

    MCCStringFree(t_processed);
    if (t_output != nil)
        MCS_close(t_output);
    if (t_obj != nil)
        t_obj->Release();
}
Exemple #6
0
char *MCVideoClip::getfile()
{
	if (frames != NULL)
	{
		char *tmpfile = strclone(MCS_tmpnam());
		IO_handle tstream;
		if ((tstream = MCS_open(tmpfile, IO_WRITE_MODE, False, False, 0)) == NULL)
		{
			delete tmpfile;
			return NULL;
		}
		IO_stat stat = IO_write(frames, sizeof(int1), size, tstream);
		MCS_close(tstream);
		if (stat != IO_NORMAL)
		{
			MCS_unlink(tmpfile);
			delete tmpfile;
			return NULL;
		}
		return tmpfile;
	}
	return NULL;
}
bool MCReferencedImageRep::GetDataStream(IO_handle &r_stream)
{
	IO_handle t_stream = nil;
	if (MCSecureModeCanAccessDisk())
		t_stream = MCS_open(m_file_name, kMCOpenFileModeRead, false, false, 0);
	
	if (t_stream == nil)
    {
        // MW-2013-09-25: [[ Bug 10983 ]] Only ever try to load the rep as a url once.
        if (!m_url_load_attempted)
        {
            // MW-2013-09-25: [[ Bug 10983 ]] Mark the rep has having attempted url load.
            m_url_load_attempted = true;

            MCExecContext ctxt(MCdefaultstackptr, nil, nil);
            MCAutoValueRef t_data;
            MCU_geturl(ctxt, m_file_name, &t_data);
            if (ctxt.HasError() || MCValueIsEmpty(*t_data))
                return false;
            MCAutoDataRef t_dataref;
            /* UNCHECKED */ ctxt . ConvertToData(*t_data, &t_dataref);

            /* UNCHECKED */ MCMemoryAllocateCopy(MCDataGetBytePtr(*t_dataref), MCDataGetLength(*t_dataref), m_url_data);
            m_url_data_size = MCDataGetLength(*t_dataref);
        }

        // IM-2014-09-30: [[ Bug 13501 ]] If we already have the url data then make sure we use it.
        if (m_url_data != nil)
            t_stream =  MCS_fakeopen((const char *)m_url_data, m_url_data_size);
	}

	if (t_stream != nil)
		r_stream = t_stream;

	return t_stream != nil;
}
	Exec_stat exec(MCExecPoint& ep)
	{
		bool t_success;
		t_success = true;

		char *t_old_filename;
		t_old_filename = nil;
		if (t_success && m_old_file -> eval(ep) == ES_NORMAL)
			t_old_filename = ep . getsvalue() . clone();
		else
			t_success = false;

		char *t_new_filename;
		t_new_filename = nil;
		if (t_success && m_new_file -> eval(ep) == ES_NORMAL)
			t_new_filename = ep . getsvalue() . clone();
		else
			t_success = false;

		char *t_patch_filename;
		t_patch_filename = nil;
		if (t_success && m_patch_file -> eval(ep) == ES_NORMAL)
			t_patch_filename = ep . getsvalue() . clone();
		else
			t_success = false;

		IO_handle t_old_handle;
		t_old_handle = nil;
		if (t_success)
		{
			t_old_handle = MCS_open(t_old_filename, IO_READ_MODE, False, False, 0);
			if (t_old_handle == nil)
				t_success = false;
		}

		IO_handle t_new_handle;
		t_new_handle = nil;
		if (t_success)
		{
			t_new_handle = MCS_open(t_new_filename, IO_READ_MODE, False, False, 0);
			if (t_new_handle == nil)
				t_success = false;
		}

		IO_handle t_patch_handle;
		t_patch_handle = nil;
		if (t_success)
		{
			t_patch_handle = MCS_open(t_patch_filename, IO_WRITE_MODE, False, False, 0);
			if (t_patch_handle == nil)
				t_success = false;
		}

		if (t_success)
		{
			InputStream t_new_stream, t_old_stream;
			OutputStream t_patch_stream;
			t_new_stream . handle = t_new_handle;
			t_old_stream . handle = t_old_handle;
			t_patch_stream . handle = t_patch_handle;
			t_success = MCBsDiffBuild(&t_old_stream, &t_new_stream, &t_patch_stream);
		}

		if (t_success)
			MCresult -> clear();
		else
			MCresult -> sets("patch building failed");

		if (t_patch_handle != nil)
			MCS_close(t_patch_handle);
		if (t_new_handle != nil)
			MCS_close(t_new_handle);
		if (t_old_handle != nil)
			MCS_close(t_old_handle);

		delete t_patch_filename;
		delete t_new_filename;
		delete t_old_filename;
		
		return ES_NORMAL;
	}
    void exec_ctxt(MCExecContext &ctxt)
    {
		bool t_success;
		t_success = true;

		MCAutoStringRef t_old_filename;
        if (!ctxt . EvalExprAsStringRef(m_old_file, EE_INTERNAL_BSDIFF_BADOLD, &t_old_filename))
            return;

		MCAutoStringRef t_new_filename;
        if (!ctxt . EvalExprAsStringRef(m_new_file, EE_INTERNAL_BSDIFF_BADNEW, &t_new_filename))
            return;

		MCAutoStringRef t_patch_filename;
        if (!ctxt . EvalExprAsStringRef(m_patch_file, EE_INTERNAL_BSDIFF_BADPATCH, &t_patch_filename))
            return;

		IO_handle t_old_handle;
		t_old_handle = nil;
		if (t_success)
		{
			t_old_handle = MCS_open(*t_old_filename, kMCOpenFileModeRead, False, False, 0);
			if (t_old_handle == nil)
				t_success = false;
		}

		IO_handle t_new_handle;
		t_new_handle = nil;
		if (t_success)
		{
			t_new_handle = MCS_open(*t_new_filename, kMCOpenFileModeRead, False, False, 0);
			if (t_new_handle == nil)
				t_success = false;
		}

		IO_handle t_patch_handle;
		t_patch_handle = nil;
		if (t_success)
		{
			t_patch_handle = MCS_open(*t_patch_filename, kMCOpenFileModeWrite, False, False, 0);
			if (t_patch_handle == nil)
				t_success = false;
		}

		if (t_success)
		{
			InputStream t_new_stream, t_old_stream;
			OutputStream t_patch_stream;
			t_new_stream . handle = t_new_handle;
			t_old_stream . handle = t_old_handle;
			t_patch_stream . handle = t_patch_handle;
			t_success = MCBsDiffBuild(&t_old_stream, &t_new_stream, &t_patch_stream);
		}

		if (t_success)
            ctxt . SetTheResultToEmpty();
		else
            ctxt . SetTheResultToCString("patch building failed");

		if (t_patch_handle != nil)
			MCS_close(t_patch_handle);
		if (t_new_handle != nil)
			MCS_close(t_new_handle);
		if (t_old_handle != nil)
            MCS_close(t_old_handle);
	}
Exemple #10
0
void MCStack::effectrect(const MCRectangle& p_area, Boolean& r_abort)
{
	// Get the list of effects.
	MCEffectList *t_effects = MCcur_effects;
	MCcur_effects = NULL;

	// If the window isn't opened or hasn't been attached (plugin) or if we have no
	// snapshot to use, this is a no-op.
	if (!opened || !haswindow() || m_snapshot == nil)
	{
		while(t_effects != NULL)
		{
			MCEffectList *t_effect;
			t_effect = t_effects;
			t_effects = t_effects -> next;
			delete t_effect;
		}
		return;
	}

	// Mark the stack as being in an effect.
	state |= CS_EFFECT;

	// Lock messages while the effect is happening.
	Boolean t_old_lockmessages;
	t_old_lockmessages = MClockmessages;
	MClockmessages = True;

	// Calculate the area of interest.
	MCRectangle t_effect_area;
	t_effect_area = curcard -> getrect();
	t_effect_area . y = getscroll();
	t_effect_area . height -= t_effect_area . y;
	t_effect_area = MCU_intersect_rect(t_effect_area, p_area);
	
	// IM-2013-08-21: [[ ResIndependence ]] Scale effect area to device coords
	// Align snapshot rect to device pixels
	// IM-2013-09-30: [[ FullscreenMode ]] Use stack transform to get device coords
	MCGAffineTransform t_transform;
	t_transform = getdevicetransform();
	
    // MW-2013-10-29: [[ Bug 11330 ]] Make sure the effect area is cropped to the visible
    //   area.
    t_effect_area = MCRectangleGetTransformedBounds(t_effect_area, getviewtransform());
    t_effect_area = MCU_intersect_rect(t_effect_area, MCU_make_rect(0, 0, view_getrect() . width, view_getrect() . height));
	
	// IM-2014-01-24: [[ HiDPI ]] scale effect region to backing surface coords
	MCGFloat t_scale;
	t_scale = view_getbackingscale();
	
    MCRectangle t_device_rect, t_user_rect;
	t_device_rect = MCRectangleGetScaledBounds(t_effect_area, t_scale);
	t_user_rect = MCRectangleGetTransformedBounds(t_device_rect, MCGAffineTransformInvert(t_transform));
	
	// IM-2013-08-29: [[ RefactorGraphics ]] get device height for CoreImage effects
	// IM-2013-09-30: [[ FullscreenMode ]] Use view rect to get device height
	uint32_t t_device_height;
	t_device_height = floor(view_getrect().height * t_scale);
	
	// Make a region of the effect area
	// IM-2013-08-29: [[ ResIndependence ]] scale effect region to device coords
	MCRegionRef t_effect_region;
	t_effect_region = nil;
	/* UNCHECKED */ MCRegionCreate(t_effect_region);
	/* UNCHECKED */ MCRegionSetRect(t_effect_region, t_effect_area);
	
#ifndef FEATURE_PLATFORM_PLAYER
#if defined(FEATURE_QUICKTIME)
	// MW-2010-07-07: Make sure QT is only loaded if we actually are doing an effect
	if (t_effects != nil)
		if (!MCdontuseQTeffects)
			if (!MCtemplateplayer -> isQTinitted())
				MCtemplateplayer -> initqt();
#endif	
#endif

	// Lock the screen to prevent any updates occuring until we want them.
	MCRedrawLockScreen();

	// By default, we have not aborted.
	r_abort = False;
	
	MCGImageRef t_initial_image;
	t_initial_image = MCGImageRetain(m_snapshot);
	
	while(t_effects != nil)
	{
		uint32_t t_duration;
		t_duration = MCU_max(1, MCeffectrate / (t_effects -> speed - VE_VERY));
		if (t_effects -> type == VE_DISSOLVE)
			t_duration *= 2;
		
		uint32_t t_delta;
		t_delta = 0;
		
		// Create surface at effect_area size.
		// Render into surface based on t_effects -> image
		MCGImageRef t_final_image = nil;
		
		// If this isn't a plain effect, then we must fetch first and last images.
		if (t_effects -> type != VE_PLAIN)
		{
			// Render the final image.
			MCGContextRef t_context = nil;
			
			// IM-2014-05-20: [[ GraphicsPerformance ]] Create opaque context for snapshot
			/* UNCHECKED */ MCGContextCreate(t_device_rect.width, t_device_rect.height, false, t_context);
			
			MCGContextTranslateCTM(t_context, -t_device_rect.x, -t_device_rect.y);
			
			// IM-2013-10-03: [[ FullscreenMode ]] Apply device transform to context
			MCGContextConcatCTM(t_context, t_transform);
			
			// Configure the context.
			MCGContextClipToRect(t_context, MCRectangleToMCGRectangle(t_user_rect));
			
			// Render an appropriate image
			switch(t_effects -> image)
			{
				case VE_INVERSE:
					{
						MCContext *t_old_context = nil;
						/* UNCHECKED */ t_old_context = new MCGraphicsContext(t_context);
						curcard->draw(t_old_context, t_user_rect, false);
						delete t_old_context;
						
						MCGContextSetFillRGBAColor(t_context, 1.0, 1.0, 1.0, 1.0);
						MCGContextSetBlendMode(t_context, kMCGBlendModeDifference);
						MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
						MCGContextFill(t_context);
					}
					break;
					
				case VE_BLACK:
					MCGContextSetFillRGBAColor(t_context, 0.0, 0.0, 0.0, 1.0);
					MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
					MCGContextFill(t_context);
					break;
					
				case VE_WHITE:
					MCGContextSetFillRGBAColor(t_context, 1.0, 1.0, 1.0, 1.0);
					MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
					MCGContextFill(t_context);
					break;
					
				case VE_GRAY:
					MCGContextSetFillRGBAColor(t_context, 0.5, 0.5, 0.5, 1.0);
					MCGContextAddRectangle(t_context, MCRectangleToMCGRectangle(t_user_rect));
					MCGContextFill(t_context);
					break;
					
				default:
				{
					MCContext *t_old_context = nil;
					/* UNCHECKED */ t_old_context = new MCGraphicsContext(t_context);
					curcard->draw(t_old_context, t_user_rect, false);
					delete t_old_context;
				}
			}
			
			/* UNCHECKED */ MCGContextCopyImage(t_context, t_final_image);
			MCGContextRelease(t_context);
		}
		
		MCStackEffectContext t_context;
		t_context.delta = t_delta;
		t_context.duration = t_duration;
		t_context.effect = t_effects;
		t_context.effect_area = t_device_rect;
		t_context.initial_image = t_initial_image;
		t_context.final_image = t_final_image;
		
		// MW-2011-10-20: [[ Bug 9824 ]] Make sure dst point is correct.
		// Initialize the destination with the start image.
		view_platform_updatewindowwithcallback(t_effect_region, MCStackRenderInitial, &t_context);
		
		// If there is a sound, then start playing it.
		if (t_effects -> sound != NULL)
		{
			MCAudioClip *acptr;
            MCNewAutoNameRef t_sound;
            /* UNCHECKED */ MCNameCreate(t_effects->sound, &t_sound);
			if ((acptr = (MCAudioClip *)getobjname(CT_AUDIO_CLIP, *t_sound)) == NULL)
			{
				IO_handle stream;
				if ((stream = MCS_open(t_effects->sound, kMCOpenFileModeRead, True, False, 0)) != NULL)
				{
					acptr = new MCAudioClip;
					acptr->setdisposable();
					if (!acptr->import(t_effects->sound, stream))
					{
						delete acptr;
						acptr = NULL;
					}
					MCS_close(stream);
				}
			}
			
			if (acptr != NULL)
			{
				MCU_play_stop();
				MCacptr = acptr;
				MCU_play();
#ifndef FEATURE_PLATFORM_AUDIO
				if (MCacptr != NULL)
					MCscreen->addtimer(MCacptr, MCM_internal, PLAY_RATE);
#endif
			}
			
			if (MCscreen->wait((real8)MCsyncrate / 1000.0, False, True))
			{
				r_abort = True;
				break;
			}
		}
		
		// Initialize CoreImage of QTEffects if needed.
		if (t_effects -> type != VE_PLAIN)
		{
            MCAutoPointer<char> t_name;
            /* UNCHECKED */ MCStringConvertToCString(t_effects -> name, &t_name);
#ifdef _MAC_DESKTOP
			// IM-2013-08-29: [[ ResIndependence ]] use scaled effect rect for CI effects
			if (t_effects -> type == VE_UNDEFINED && MCCoreImageEffectBegin(*t_name, t_initial_image, t_final_image, t_device_rect, t_device_height, t_effects -> arguments))
				t_effects -> type = VE_CIEFFECT;
			else
#endif
#ifdef FEATURE_QUICKTIME_EFFECTS
				// IM-2013-08-29: [[ ResIndependence ]] use scaled effect rect for QT effects
				if (t_effects -> type == VE_UNDEFINED && MCQTEffectBegin(t_effects -> type, *t_name, t_effects -> direction, t_initial_image, t_final_image, t_device_rect))
					t_effects -> type = VE_QTEFFECT;
#else
				;
#endif
		}
		
		// Run effect
		// Now perform the effect loop, but only if there is something to do.
		if (t_effects -> type != VE_PLAIN || old_blendlevel != blendlevel)
		{
			// Calculate timing parameters.
			double t_start_time;
			t_start_time = 0.0;
			
			for(;;)
			{
				t_context.delta = t_delta;
				
				Boolean t_drawn = False;
				view_platform_updatewindowwithcallback(t_effect_region, MCStackRenderEffect, &t_context);
				
				// Now redraw the window with the new image.
//				if (t_drawn)
				{
					MCscreen -> sync(getw());
				}
				
				// Update the window's blendlevel (if needed)
				if (old_blendlevel != blendlevel)
				{
					float t_fraction = float(t_delta) / t_duration;
					setopacity(uint1((old_blendlevel * 255 + (float(blendlevel) - old_blendlevel) * 255 * t_fraction) / 100));
				}
				
				// If the start time is zero, then start counting from here.
				if (t_start_time == 0.0)
					t_start_time = MCS_time();
				
				// If we've reached the end of the transition, we are done.
				if (t_delta == t_duration)
				{
#ifdef _ANDROID_MOBILE
					// MW-2011-12-12: [[ Bug 9907 ]] Make sure we let the screen sync at this point
					MCscreen -> wait(0.01, False, False);
#endif
					break;
				}
				
				// Get the time now.
				double t_now;
				t_now = MCS_time();
				
				// Compute the new delta value.
				uint32_t t_new_delta;
				t_new_delta = (uint32_t)ceil((t_now - t_start_time) * 1000.0);
				
				// If the new value is same as the old, then advance one step.
				if (t_new_delta == t_delta)
					t_delta = t_new_delta + 1;
				else
					t_delta = t_new_delta;
				
				// If the new delta is beyond the end point, set it to the end.
				if (t_delta > t_duration)
					t_delta = t_duration;
				
				// Wait until the next boundary, making sure we break for no reason
				// other than abort.
				if (MCscreen -> wait((t_start_time + (t_delta / 1000.0)) - t_now, False, False))
					r_abort = True;
				
				// If we aborted, we render the final step and are thus done.
				if (r_abort)
					t_delta = t_duration;
			}
		}		
#ifdef _MAC_DESKTOP
		if (t_effects -> type == VE_CIEFFECT)
			MCCoreImageEffectEnd();
		else
#endif
#ifdef FEATURE_QUICKTIME_EFFECTS
			if (t_effects -> type == VE_QTEFFECT)
				MCQTEffectEnd();
#endif
		
		// Free initial surface.
		MCGImageRelease(t_initial_image);
		
		// initial surface becomes final surface.
		t_initial_image = t_final_image;
		t_final_image = nil;
		
		// Move to the next effect.
		MCEffectList *t_current_effect;
		t_current_effect = t_effects;
		t_effects = t_effects -> next;
		delete t_current_effect;
	}

	// Make sure the pixmaps are freed and any dangling effects
	// are cleaned up.
	if (t_effects != NULL)
	{
		/* OVERHAUL - REVISIT: error cleanup needs revised */
		MCGImageRelease(t_initial_image);
//		MCGSurfaceRelease(t_final_image);

		while(t_effects != NULL)
		{
			MCEffectList *t_current_effect;
			t_current_effect = t_effects;
			t_effects = t_effects -> next;
			delete t_current_effect;
		}
	}

	MCRegionDestroy(t_effect_region);
	
	MCGImageRelease(m_snapshot);
	m_snapshot = nil;
	
	m_snapshot = t_initial_image;
	
	// Unlock the screen.
	MCRedrawUnlockScreen();
	
	// Unlock messages.
	MClockmessages = t_old_lockmessages;

	// Turn off effect mode.
	state &= ~CS_EFFECT;
	
	// The stack's blendlevel is now the new one.
	old_blendlevel = blendlevel;
	
	// Finally, mark the affected area of the stack for a redraw.
	dirtyrect(p_area);
}
Exemple #11
0
IO_stat MCDispatch::dosavestack(MCStack *sptr, const MCString &fname)
{
	if (MCModeCheckSaveStack(sptr, fname) != IO_NORMAL)
		return IO_ERROR;
	
	char *linkname;
	if (fname.getlength() != 0)
		linkname = fname.clone();
	else
		if ((linkname = strclone(sptr->getfilename())) == NULL)
		{
			MCresult->sets("stack does not have a filename");
			return IO_ERROR;
		}
	if (linkname == NULL)
	{
		MCresult->sets("can't open stack file, bad path");
		return IO_ERROR;
	}
	if (MCS_noperm(linkname))
	{
		MCresult->sets("can't open stack file, no permission");
		delete linkname;
		return IO_ERROR;
	}
	char *oldfiletype = MCfiletype;
	MCfiletype = MCstackfiletype;
	char *backup = new char[strlen(linkname) + 2];
	strcpy(backup, linkname);
	strcat(backup, "~");
	MCS_unlink(backup);
	if (MCS_exists(linkname, True) && !MCS_backup(linkname, backup))
	{
		MCresult->sets("can't open stack backup file");
		MCfiletype = oldfiletype;
		delete linkname;
		delete backup;
		return IO_ERROR;
	}
	IO_handle stream;
	if ((stream = MCS_open(linkname, IO_WRITE_MODE, True, False, 0)) == NULL)
	{
		MCresult->sets("can't open stack file");
		cleanup(stream, linkname, backup);
		MCfiletype = oldfiletype;
		return IO_ERROR;
	}
	MCfiletype = oldfiletype;
	MCString errstring = "Error writing stack (disk full?)";
	
	// MW-2012-03-04: [[ StackFile5500 ]] Work out what header to emit, and the size.
	const char *t_header;
	uint32_t t_header_size;
	if (MCstackfileversion >= 5500)
		t_header = newheader5500, t_header_size = 8;
	else if (MCstackfileversion >= 2700)
		t_header = newheader, t_header_size = 8;
	else
		t_header = header, t_header_size = HEADERSIZE;
	
	if (IO_write(t_header, sizeof(char), t_header_size, stream) != IO_NORMAL
	        || IO_write_uint1(CHARSET, stream) != IO_NORMAL)
	{
		MCresult->sets(errstring);
		cleanup(stream, linkname, backup);
		return IO_ERROR;
	}

	if (IO_write_uint1(OT_NOTHOME, stream) != IO_NORMAL
	        || IO_write_string(NULL, stream) != IO_NORMAL)
	{ // was stackfiles
		MCresult->sets(errstring);
		cleanup(stream, linkname, backup);
		return IO_ERROR;
	}
	
	// MW-2012-02-22; [[ NoScrollSave ]] Adjust the rect by the current group offset.
	MCgroupedobjectoffset . x = 0;
	MCgroupedobjectoffset . y = 0;
	
	MCresult -> clear();
	if (sptr->save(stream, 0, false) != IO_NORMAL
	        || IO_write_uint1(OT_END, stream) != IO_NORMAL)
	{
		if (MCresult -> isclear())
			MCresult->sets(errstring);
		cleanup(stream, linkname, backup);
		return IO_ERROR;
	}
	MCS_close(stream);
	uint2 oldmask = MCS_umask(0);
	uint2 newmask = ~oldmask & 00777;
	if (oldmask & 00400)
		newmask &= ~00100;
	if (oldmask & 00040)
		newmask &= ~00010;
	if (oldmask & 00004)
		newmask &= ~00001;
	MCS_umask(oldmask);
	MCS_chmod(linkname, newmask);
	if (sptr->getfilename() != NULL && !strequal(linkname, sptr->getfilename()))
		MCS_copyresourcefork(sptr->getfilename(), linkname);
	else if (sptr -> getfilename() != NULL)
		MCS_copyresourcefork(backup, linkname);
	sptr->setfilename(linkname);
	if (backup != NULL)
	{
		MCS_unlink(backup);
		delete backup;
	}
	return IO_NORMAL;
}
Exemple #12
0
IO_stat MCDispatch::loadfile(const char *inname, MCStack *&sptr)
{
	IO_handle stream;
	char *openpath = NULL;
	char *fname = strclone(inname);
	if ((stream = MCS_open(fname, IO_READ_MODE, True, False, 0)) != NULL)
		if (fname[0] != PATH_SEPARATOR && fname[1] != ':')
		{
			char *curpath = MCS_getcurdir();
			if (curpath[strlen(curpath) - 1] == '/')
				curpath[strlen(curpath) - 1] = '\0';
			openpath = new char[strlen(curpath) + strlen(fname) + 2];
			sprintf(openpath, "%s/%s", curpath, fname);
			delete curpath;
		}
		else
			openpath = strclone(fname);
	else
	{
		char *tmparray = new char[strlen(fname) + 1];
		strcpy(tmparray, fname);
		char *tname = strrchr(tmparray, PATH_SEPARATOR);
		if (tname == NULL)
			tname = tmparray;
		else
			tname++;
		if ((stream = MCS_open(tname, IO_READ_MODE, True, False, 0)) != NULL)
		{
			char *curpath = MCS_getcurdir();
			openpath = new char[strlen(curpath) + strlen(tname) + 2];
			sprintf(openpath, "%s/%s", curpath, tname);
			delete curpath;
		}
		else
		{
			if (!openstartup(tname, &openpath, stream)
			        && !openenv(tname, "MCPATH", &openpath, stream, 0)
			        && !openenv(tname, "PATH", &openpath, stream, 0))
			{
				char *homename;
				if ((homename = MCS_getenv("HOME")) != NULL)
				{
					openpath = new char[strlen(homename) + strlen(tname) + 13];
					if (homename[strlen(homename) - 1] == '/')
						homename[strlen(homename) - 1] = '\0';
					sprintf(openpath, "%s/%s", homename,  tname);
					if ((stream = MCS_open(openpath, IO_READ_MODE, True,
					                       False, 0)) == NULL)
					{
						sprintf(openpath, "%s/stacks/%s", homename, tname);
						if ((stream = MCS_open(openpath, IO_READ_MODE, True,
						                       False, 0)) == NULL)
						{
							sprintf(openpath, "%s/components/%s", homename, tname);
							if ((stream = MCS_open(openpath, IO_READ_MODE, True,
							                       False, 0)) == NULL)
							{
								delete openpath;
								openpath = NULL;
							}
						}
					}
				}
			}
		}
		delete tmparray;
	}
	if (stream == NULL)
	{
		if (openpath != NULL)
			delete openpath;
		delete fname;
		return IO_ERROR;
	}
	delete fname;
	IO_stat stat = readfile(openpath, inname, stream, sptr);
	delete openpath;
	MCS_close(stream);
	return stat;
}