Management setting arbitrary and high-definition support

Hey there,

I use the AE/body development of custom filter SDK and I am facing the following problems:

I created a user interface customized with highly customized slider settings, "Self-drawn", using parameters of arbitrary data to store their values. It's all works well - but seems to be incredibly heavy lifting for my machine. Handle the event drag in the UI custom, I check if the trail appears on the cursor, set the value of an arbParam and brand:

params [ECW_UI_COLOR]-> uu.change_flags. = PF_ChangeFlag_CHANGED_VALUE;

-> leading to a redefinition of the interface. Which seems to be really heavy tho seems to be the update of the arbitrary parameters, that I do not really understand.

I also checked the implementation of example of a ColorGrid and observed a similar behavior, although not as bad because it doesn't have my crazy events drag. ;-)

My first question is now:

Y at - there no alternative for me to store and update data from temporary/session-like (as the real value of my custom cursor) otherwise than directly in arbParams? (then I could store only the last value of cursor on Mouse_Exit in arb for example..)

---

I'm also using the DrawImage function in the SurfaceSuite and do not understand how the HIDPI AND RETINA DISPLAY SUPPORT should work.

I use NewImageFromBuffer and DrawImage to load and position a png image on the surface - which works well - but don't understand the transformation function documentation reduce my image on the screens high resolution. My questions are:

-What is const DRAWBOT_MatrixF32 * in_matrixP supposed to be / how it might be used and what are the value within the matrix for?

-Documentation says that supporting HiDPI and Retina, screens you can use images off screen that are twice the size and then use the transformation function to scale the image down into the half before shooting it. How you would use the function of processing on the image when the transformation Gets the surface_ref?

In my view, only a very simple example would save my life since I tried almost everything I could imagine...

Help would be much appreciated and please excuse my probably bad explanation, I'm pretty new in this world after effects SDK. ;-)

Thanks in advance and greetings in Hamburg, Germany!

Marcel

If someone else is facing problems in the future, at the point where I was able to solve both:

performance on a custom user interface:

Rather than use values of arbitrary parameters that I simply hi-jacked by default settings (= sliders) and hide them in the configuration of the filter - which seems to push highly performance and works like a charm.

made image high definition:

I finally understood how the transformation matrix must be applied:

char matrix_double [3] [3] = {{2.0F, 0, 0}, {2.0F, 0, 0}, {0,0, 2.0f}};
char matrix_half [3] [3] = {{0.5f, 0, 0}, {0.5f, 0, 0}, {0,0, 0.5f}};
ERR (drawbot_suites.surface_suiteP-> Transform (surface_ref, reinterpret_cast(matrix_half)));
ERR (drawbot_suites.surface_suiteP-> DrawImage (surface_ref, image_ref, & image_point, alpha));
ERR (drawbot_suites.surface_suiteP-> Transform (surface_ref, reinterpret_cast(matrix_double)));

Simply, it doubles the size of surface for the drawing of the image and it divides in half later the picture in high resolution on screens of the retina.

Tags: After Effects

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