Source: Dimming Equipment terminology: dimming curveCore tip: Dimming curve is one of the important parameters of dimming equipment, it directly affects theThe effect of light output is the embodiment of the performance of digital dimming equipment.
The above sentence
Brand Name: Ayvat QQ 2892715427Iwatt (Ayvat) iw3689/iw3688 isolated/non-isolated off-line SCR dimmingCharacteristicsIsolated/non-isolated offline 120vac/230vac led drives up to 20W output power wide line frequency range (from 45Hz to 66hz) in accordance with iec61000-3-2 harmonic current requirements pf > with total harmonic distortion less than 20% 0.92 excellent dimmer compatibility wide dimming range 1% to 100% resonant control to achieve high effi
??Android video player The left edge of the screen with your finger swipe up and down brightness adjust dimming principle implementation (2): Subsequent improvementsAppendix 1 Although it is possible to adjust the brightness of the left half of the screen with the swipe/slide of the finger, there is an imperfect place: when the finger is left and right in the left side of the screen, the same is true for the dimmi
Recently tried to use Popupwindow to achieve the background dimming effect, self-optimization, and encapsulated into a method that can be called, the default implementation of the pop-up window appears under the incoming view, the following code has a detailed comment, there are questions can leave a messageThe results are shown below:/** * I encapsulated this popupwindow method, * The first parameter is which control he wants to display under * The s
. Public void setalpha (int Alpha)Sets the transparency of the image, and the method is replaced by Setimagealpha (int) in the version of API 16Well, seeing is real, let's see the effect separately:Iv.setalpha (0.5f) is:Setimagealpha (100), the effect is: ╮(╯▽╰)╭ gave me an abnormal exit.07-08 21:17:12.012:e/androidruntime (29310): Java.lang.NoSuchMethodError:android.widget.ImageView.setImageAlphaThe test machine for android4.0.3, the corresponding API for 15.eclipse has set the corresponding 16
Runnable () {
@Override public
void Run () {while
alpha>0.5f) {
try {
// 4 is computed Thread.Sleep (4) based on pop-up animation time and reduced transparency
;
} catch (Interruptedexception e) {
e.printstacktrace ();
}
Message msg =mhandler.obtainmessage ();
Msg.what = 1;
0.01 reduction each time, the higher the precision, the more smooth the effect of dimming
alpha-=0.01f;
Msg.obj =alpha;
Mh
power to the full amplitude is either 5V (on) or 0V (OFF). A voltage or current source is a repeating pulse sequence with a pass (on) or off (off) that is added to the analog load. When the DC power supply is added to the load, when the power supply is broken. Any analog value can be encoded using PWM as long as the bandwidth is sufficient. The output voltage value is calculated by the time of the pass and break. Output voltage = (on time/pulse time) * Maximum voltage value.PWM is used in many
When using a Windows 10 system computer, the notebook screen will automatically darken for a while, how to cancel the dimming? Automatic screen dimming is due to power management defaults to "energy-saving" mode caused by the following small series to bring you Win10 screen automatically darkened solution, take a look at it.
Steps:
1, on the Start menu right-click, select "Control Panel";
2, in the Con
below, the PWM value is set using a variable calledbrightness. Each time through the loop, it increases by the value of the VariablefadeAmount.
IfbrightnessIs at either extreme of its value (either 0/255), thenfadeAmountIs changed to its negative. In other words, iffadeAmountIs 5, then it is set to-5. If it's 55, then it's set to 5. The next time through the loop, this change causesbrightnessTo change direction as well.
analogWrite()Can change the PWM value very fast, so the delay at the end
(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED); Pwmypopwindow.setwidth (Lvpopuplist.getmeasuredwidth ()); Pwmypopwindow.setheight ((Lvpopuplist.getmeasuredheight () +) * num_of_visible_list_rows);*/ //control Popupwindow Click on the screen other places disappearPwmypopwindow.setbackgrounddrawable ( This. Getresources (). getdrawable (R.mipmap.ic_launcher));//set the background picture, cannot be set in the layout, to be set by codePwmypopwindow.setoutsidetouchable (
number smaller than 1, there will be a darkening effect! #ifdef gl_esprecision mediump float; #endifvarying vec4 v_fragmentcolor;varying vec2 v_texcoord;void Main (void) {VEC4 c = t Exture2d (CC_TEXTURE0, V_texcoord); float Greynum = 0.75;vec4 final = C;FINAL.R = C.R * GREYNUM;FINAL.G = C.G * GreyNum;fina l.b = c.b * Greynum;gl_fragcolor = final;}What I'm setting up here is 0.75.Eventually:It's very close to the 3rd target map we need. So you can save half the picture. I wonder if the rendering
Black is. That is, as long as the color of each pixel is multiplied by a number smaller than 1, there will be a darkening effect!
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#ifdefGL_ESprecisionmediumpfloat;#endifvaryingvec4v_fragmentColor;varyingvec2v_texCoord;voidmain(void){vec4c=texture2D(CC_Texture0,v_texCoord);floatgreyNum=0.75;vec4final=c;final.r=c.r*greyNum;final.g=c.g*greyNum;final.b=c.b*greyNum;gl_FragColor=final;}
I set the 0.75 here.Eventually:It's very close to the 3rd targ
order to maintain the level and detail, the amplitude of the adjustment curve here is small), as shown in Figure 04.
5, repeat the previous operation, select characters, feather, highlight, but to note that the selection is less than the previous selection, as shown in Figure 05, 06.
6, hold down the CTRL key while clicking on the newly added curve adjustment layer of the Mask section, bring up the previous use of the feather after the selection, and then the selection to perform the re
Javascript + CSS implements the method of dimming the background in the Div pop-up window, cssdiv
This article describes how to darken the background while implementing the Div pop-up window in JS + CSS. Share it with you for your reference. The specific implementation method is as follows:
Copy codeThe Code is as follows: Z-index: 2; left: 0px; display: none; ">Background-color: # fff; display: none; ">Border-collapse: collapse; ">Font-weight: bold;
again.Shows the effect of the navigation bar darkening (note that this is just hiding the status bar, not darkening it). Note that the navigation bar (to the right of the image) is a light white dot here:The same image is displayed, but the system bar is completely displayed:Lighten the status navigation barIf you want to clear this flag, you can do this:View decorView = getActivity().getWindow().getDecorView();// Calling setSystemUiVisibility() with a value of 0 clears// all flags.decorView.se
The example of this article describes the JS implementation of the Imitation NetEase click Pop-up prompts the background dimming effect. Share to everyone for your reference. Specifically as follows:
Here imitation NetEase Click Pop-up prompts, background darkened hint layer effect, rounded corners, beautiful concise, code a bit too much.
The effect is as shown in the following illustration:
The online demo address is as follows:
http://demo.jb5
Photoshop to give you the use of software here to the detailed next to the forest characters to increase the aesthetic effect of the dark dimming of the production of the tutorial.
Tutorial Sharing:
1, open the original material large image, create an optional color adjustment layer, yellow, green adjustment, parameters and effects of the following figure. This step is mainly to dim the yellow-green in the picture.
To give you Photoshop software users to share a detailed blue-yellow dimming effect of the production of the tutorial.
Tutorial Sharing:
1, open the original material large map, create an optional color adjustment layer, red, yellow, green, white to adjust, parameter settings such as Figure 1-4, the effect is shown in Figure 5. This step mainly turns the yellow-green in the picture to orange-yellow, the high light area increases the light blue.
jquery implementation of the Imitation Mall picture dimming effect, the mouse hover picture after the picture becomes brighter, other pictures darken. Remove all the pictures of the mouse to brighten, compatible with mainstream browsers, applicable browsers: IE8, 360, FireFox, Chrome, Safari, Opera, Proud tour, Sogou, the window of the world, the need for small partners can refer to.
Here is the complete source code:
?
This article is mainly to click on the pop-up Layer Effect pop-up window after the background dimming effect of the implementation code is introduced, need friends can come to the reference, I hope to help you. nbsp; Code as follows: ;
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