1 简介
Matlab将图片背景修改为深色
2 完整代码
function darkBackground(varargin)
%{
Give a figure a dark background and appropriately change other aspects.
More comprehensive version of Elsa Birch's darkBackground()
** Majority of code (and credit) is from Elsa Birch's darkBackground()
function. It can be found at: https://www.mathworks.com/matlabcentral/fileexchange/30222-quick-dark-or-custom-plot-background
INPUTS:
varargin:
hFigure: figure handle
backColor: rgb vector for desired background, default = black
foreColor: rgb vector for desired foreground, default = white
invert: invert color of object if same as desired back, default = true
%}
% parse inputs
p = inputParser();
rgbValid = @(x) isvector(x) & length(x) == 3 & sum(x >= 0 & x <= 1) == 3;
addParameter(p, 'hFigure', gcf(), @(x) strcmpi(class(x), 'matlab.ui.Figure'));
addParameter(p, 'backColor', [0,0,0], rgbValid);
addParameter(p, 'foreColor', [1,1,1], rgbValid);
addParameter(p, 'invert', true, @islogical);
addParameter(p, 'patchasBack', false, @islogical);
parse(p, varargin{:});
% run function that recolors all relevent children in hierarchy of hFigure
recolorChildren(p.Results.hFigure,p.Results.backColor,p.Results.foreColor, ...
p.Results.invert, p.Results.patchasBack)
end
% Sub functions
% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
% recolorChildren (Contains main functionality of darkBackground.m)
function [] = recolorChildren(hObject,backColor,foreColor, invert, patchasBack)
% find all handles, including those that are hiddn of all children in the
% hierarchy under hObject
hChild = findall(hObject);
for iChild = 1:length(hChild)
% get child type
typeChild = get(hChild(iChild),'Type');
% types of objects, and how to treat them
switch typeChild
case 'figure'
% set figure background color
set(hChild(iChild),'color',backColor)
case 'axes'
% Test axes tag since legends are also axes type, but require
% differnt recoloring steps
tagAxes = get(hChild(iChild),'Tag');
if isempty(tagAxes) || strcmpi(tagAxes, 'plotmatrixscatterax')
% Color: Color of the axes back planes. ({none} | ColorSpec)
set(hChild(iChild),'Color','none')
% XColor, YColor, ZColor: Color of axis lines, ticks, tick labels
set(hChild(iChild),'XColor',foreColor)
set(hChild(iChild),'YColor',foreColor)
if strcmpi(get(hChild(iChild), 'yaxislocation'), 'right') % if on right axis
yyaxis left
set(hChild(iChild),'YColor',foreColor) % color left
yyaxis right % back to right side
end
set(hChild(iChild),'ZColor',foreColor)
% ? Visible: Axes/ticks visible ({on} | off)
% Children:
% image, light, line, patch, rectangle, surface, and text.
% hidden(x-, y-, and z-axes and the title)
elseif strcmp(tagAxes,'Legend')
% Color: Color of the axes back planes. ({none} | ColorSpec)
% Make backColor in case of Legend, so that it is opaque if
% it overlays plot elements
set(hChild(iChild),'Color',backColor)
% Although this seems like it should be taken care of by
% text type, for a few legends it is not (no idea why)
set(hChild(iChild),'TextColor',foreColor)
% Set Edgecolor to foreColor
set(hChild(iChild),'EdgeColor',foreColor)
else
end
% grid lines
if strcmpi(hChild(iChild).XGrid, 'on') || ...
strcmpi(hChild(iChild).YGrid, 'on') || ...
strcmpi(hChild(iChild).ZGrid, 'on')
set(hChild(iChild), 'GridColor', foreColor);
set(hChild(iChild), 'MinorGridColor', foreColor);
end
case 'legend'
% Color: Color of the axes back planes. ({none} | ColorSpec)
% Make backColor in case of Legend, so that it is opaque if
% it overlays plot elements
set(hChild(iChild),'Color',backColor)
% Although this seems like it should be taken care of by
% text type, for a few legends it is not (no idea why)
set(hChild(iChild),'TextColor',foreColor)
% Set Edgecolor to foreColor
set(hChild(iChild),'EdgeColor',foreColor)
case 'surface'
if ischar(get(hChild(iChild),'Facecolor'))
% assume this means surface is a surf type plot, and leave
% it alone
else
% assume in this case that surface is a mesh, and adjust
% the facecolor to match background
set(hChild(iChild),'FaceColor',backColor)
% alpha adjustment here is a personal prefernce of mine
set(hChild(iChild),'FaceAlpha',0.7)
end
case 'text'
set(hChild(iChild),'Color',foreColor)
case 'colorbar'
set(hChild(iChild), 'color', foreColor)
case 'heatmap'
set(hChild(iChild), 'fontcolor', foreColor)
case 'line'
if invert
if sum(get(hChild(iChild), 'color') == backColor) == 3
set(hChild(iChild), 'color', foreColor)
end
end
case 'patch'
if invert
if isnumeric(get(hChild(iChild), 'facecolor'))
if sum(get(hChild(iChild), 'facecolor') == backColor) == 3
set(hChild(iChild), 'facecolor', foreColor)
end
end
end
if patchasBack
if isnumeric(get(hChild(iChild), 'facecolor'))
if sum(get(hChild(iChild), 'facecolor') == foreColor) == 3
set(hChild(iChild), 'facecolor', backColor)
end
end
end
case 'errorbar'
if invert
if sum(get(hChild(iChild), 'color') == backColor) == 3
set(hChild(iChild), 'color', foreColor)
end
end
case 'stackedplot'
% object doesn't have pertinent color properties (2020b)
case 'scatterhistogram'
% hChild(iChild).Color = foreColor;
% object doesn't have pertinent color properties (2020b)
case 'parallelplot'
% hChild(iChild).Color = foreColor;
% object doesn't have pertinent color properties (2020b)
case 'geoaxes'
hChild(iChild).AxisColor = foreColor;
case 'geobubble'
% bubblecolorlist: color of bubbles
% colordata: categorical (??)
case 'polaraxes'
hChild(iChild).Color = backColor;
% grid lines
if strcmpi(hChild(iChild).RGrid, 'on') || ...
strcmpi(hChild(iChild).ThetaGrid, 'on')
set(hChild(iChild), 'GridColor', foreColor);
set(hChild(iChild), 'MinorGridColor', foreColor);
end
hChild(iChild).RColor = foreColor;
hChild(iChild).ThetaColor = foreColor;
case 'boxchart'
hChild(iChild).WhiskerLineColor = foreColor;
end % switch typeChild
end % for
end % recolorChildren3 仿真结果
4 参考文献
博主简介：擅长智能优化算法、神经网络预测、信号处理、元胞自动机、图像处理、路径规划、无人机等多种领域的Matlab仿真，相关matlab代码问题可私信交流。
部分理论引用网络文献，若有侵权联系博主删除。
