예제 #1
0
	bool Composite(MCGRectangle p_dst_rect, MCGImageRef p_src, MCGRectangle p_src_rect, MCGFloat p_alpha, MCGBlendMode p_blend)
	{
		bool t_success = true;

		MCGContextRef t_context = nil;
		MCRegionRef t_region = nil;

		t_success = MCRegionCreate(t_region);

		if (t_success)
			t_success = MCRegionSetRect(t_region, MCGRectangleGetIntegerBounds(p_dst_rect));

		if (t_success)
			t_success = LockGraphics(t_region, t_context);

		if (t_success)
		{
			// MW-2013-11-08: [[ Bug ]] Make sure we set the blend/alpha on the context.
			MCGContextSetBlendMode(t_context, p_blend);
			MCGContextSetOpacity(t_context, p_alpha);
			MCGContextDrawRectOfImage(t_context, p_src, p_src_rect, p_dst_rect, kMCGImageFilterNearest);
		}

		UnlockGraphics();

		MCRegionDestroy(t_region);

		return t_success;
	}
예제 #2
0
bool MCRegionTransform(MCRegionRef p_region, const MCGAffineTransform &p_transform, MCRegionRef &r_transformed_region)
{
	bool t_success;
	t_success = true;

	MCRegionRef t_new_region;
	t_new_region = nil;

	t_success = MCRegionCreate(t_new_region);

	if (t_success)
	{
		MCRegionTransformContext t_context;
		t_context.region = t_new_region;
		t_context.transform = p_transform;

		t_success = MCRegionForEachRect(p_region, MCRegionTransformCallback, &t_context);
	}

	if (t_success)
		r_transformed_region = t_new_region;
	else
		MCRegionDestroy(t_new_region);

	return t_success;
}
예제 #3
0
	bool Lock()
	{
		if (m_locked)
			return false;

		if (!MCRegionCreate(m_redraw_region))
			return false;

		m_locked = true;

		return true;
	}
예제 #4
0
// IM-2013-10-14: [[ FullscreenMode ]] Move update region tracking into view abstraction
void MCStack::view_dirty_rect(const MCRectangle &p_rect)
{
    MCRectangle t_visible_rect = MCRectangleGetTransformedBounds(view_getstackvisiblerect(), view_getviewtransform());
    MCRectangle t_dirty_rect = MCU_intersect_rect(p_rect, t_visible_rect);

	if (t_dirty_rect.width == 0 || t_dirty_rect.height == 0)
		return;
	
	// If there is no region yet, make one.
	if (m_view_update_region == nil)
		/* UNCHECKED */ MCRegionCreate(m_view_update_region);
	
	MCRegionIncludeRect(m_view_update_region, t_dirty_rect);
	
	// Mark the stack as needing a redraw and schedule an update.
	m_view_need_redraw = true;

	MCRedrawScheduleUpdateForStack(this);
}
예제 #5
0
	bool Lock(void)
	{
		if (m_bitmap != nil)
			return false;

		MCRectangle t_actual_area;
		t_actual_area = MCRegionGetBoundingBox(m_region);
		if (MCU_empty_rect(t_actual_area))
			return false;

		bool t_success = true;

		void *t_bits = nil;

		if (t_success)
			t_success = MCRegionCreate(m_redraw_region);

		if (t_success)
			t_success = create_temporary_dib(m_dc, t_actual_area . width, t_actual_area . height, m_bitmap, t_bits);

		if (t_success)
		{
			m_raster . format = kMCGRasterFormat_ARGB;
			m_raster . width = t_actual_area . width;
			m_raster . height = t_actual_area . height;
			m_raster . stride = t_actual_area . width * sizeof(uint32_t);
			m_raster . pixels = t_bits;

			m_area = t_actual_area;

			return true;
		}

		MCRegionDestroy(m_redraw_region);
		m_redraw_region = nil;

		if (m_bitmap != nil)
			DeleteObject(m_bitmap);
		m_bitmap = nil;

		return false;
	}
예제 #6
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);
}