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README_OVERVIEW.md

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Overview

  1. Optional Defines (.pro file)
  • BSGLSLVER - prepends each shader with "#version " string. By default all shaders are compatible with glsl 1.30. Example: DEFINES += BSGLSLVER=130
  • BSSHADER_DUMP - write file fragshader.txt when compiling shader
  • BSOVERLAYSLIMIT - array of overlays has fixed static length (by default 32), which can be redefined with DEFINES += BSOVERLAYSLIMIT=100 or any other number
  1. Class hierarchy
  • Base class, containing most operation methods: DrawCore
  • Next level, Qt implementation of shaders: DrawQWidget
  • Next level, 4 main realizations, 3 additional: DrawGraph, DrawRecorder, DrawIntencity, DrawDomain; DrawEmpty, DrawHint, DrawSDPicture
  • Next level, additional realizations following mains: DrawIntensePoints, DrawGraphMove, DrawGraphMoveEx, DrawGraphDyport
  1. Concept

Most useful methods are provided by base class DrawCore. Some implementation settings are passed into constructors. When draw is created a lot of parameters are not accessible from his object. The reason is recompilation of shader.

  1. Methods

  • banAutoUpdate exclude autoredraw in the event that you use timer (use method provided by QOpenGLWidget) or you dont want refresh draw after settings changed.

  • autoUpdateBanned true/false for selected redraw

  • countPortions returns the amount of information displayed on draw at the same time

  • setBounds,

  • setBoundLow,

  • setBoundHigh lower and higher float bounds will eq low and high colors of palette. (0.0, 1.0) by default.

  • bounds returns current bounds

  • setContrast coeff in formula k*x + b, same for palette. (0.0, 1.0) by default.

  • contrast returns current contrast

  • setScalingLimitsH sets horizontal expansion limits when layout resizes your draw

  • setScalingLimitsV sets vertical expansion limits

  • setScalingLimitsSynced same but draw will be resized simultaneously hors + vert

  • scalingLimitsH returns horizontal limits

  • scalingLimitsV returns vertical limits

  • setDataPalette some useful palettes you can find in bspalettes_std.h, bspalettes_adv.h, bspalettes_rgb.h

  • setDataPaletteDiscretion sets simple smooth option for palette

  • setData float data array of size countPortionssamples[lines]. Size is not passed into method because size is constant for draw.

  • clearData all data is set to lower bound

  • directions 1D or 2D data used

  • setOrientation mirroring horizontal and vertical

  • orientation returns current orientation

  • ovlPushBack add overlay and choose if will be overlay destroyed by draw when other references to overlay will be disconnected. Optional: root overlay is a source of coordinates

  • ovlReplace sets new overlay and returns old

  • ovlGet returns overlay by index. ovl numeration starts from 1

  • ovlPopBack remove and returns last overlay. If draw is owner and no more references found it will destroy overlay and returns nullptr

  • ovlClearAll remove all overlays. Destroy behavior is like in ovlPopBack

  • setOverpattern sets effects applyed over data drawed. Cells/lines etc

  • overpattern returns current effects

  • setImpulse sets effects on border of scaled cells

  • impulse returns current effects

  • setClearColor sets color used by fill free area around draw

  • setClearByPalette clearcolor is lowest palette color