大约有 340 项符合查询结果（耗时：0.0504秒） [XML]
Why doesn't C have unsigned floats?
...s isn't useful, you may want to clamp values to a given range, for example RGB calculations.
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
... draw more complex and fancier stuff:
Bitmap.Config conf = Bitmap.Config.ARGB_8888;
Bitmap bmp = Bitmap.createBitmap(80, 80, conf);
Canvas canvas1 = new Canvas(bmp);
// paint defines the text color, stroke width and size
Paint color = new Paint();
color.setTextSize(35);
color.setColor(Color.BLACK)...
How does JavaFX compare to WPF? [closed]
...hat can be defined and used elsewhere E.G.
.button {
my-custom-color: RGB(234, 44, 78);
}
.my-control {
-fx-background-color: my-custom-color
}
It also provides a couple of functions that allow you to derive colours from other previously defined colours which is useful for creating thing...
How can I create a UIColor from a hex string?
...our header and it's available throughout your project.
#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
uicolor macro with he...
Java - get pixel array from image
...s. I currently know of two ways for doing this:
Using BufferedImage's getRGB() method as described in @tskuzzy's answer.
By accessing the pixels array directly using:
byte[] pixels = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
If you are working with large images an...
Chrome developer tools: View Console and Sources views in separate views/vertically tiled?
...t;
height: auto !important;
z-index: 1;
border-left: 1px solid rgb(64%, 64%, 64%);
}
#-webkit-web-inspector.show-toolbar-icons #drawer[style*="height"]:not([style*="height: 0"]) {
top: 56px !important;
}
The result looks like this:
...
How to save a BufferedImage as a File
...img = new BufferedImage(
500, 500, BufferedImage.TYPE_INT_RGB );
File f = new File("MyFile.png");
int r = 5;
int g = 25;
int b = 255;
int col = (r << 16) | (g << 8) | b;
for(int x = 0; x < 500; x...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...r low powered devices;
Try to use JPEG encoding for color images/photos inRGB colorspacewhen possible;
Avoid using expensive compositions/effects such as transitions/masking --flatten transparency;
Avoid using PDF generators (or don't create content) that produce ineffective PDF output (e.g. Libr...
How to make a HTML Page in A4 paper size page(s)?
...position is still with respect to browser area.
body {
background: rgb(204,204,204);
}
page {
background: white;
display: block;
margin: 0 auto;
margin-bottom: 0.5cm;
box-shadow: 0 0 0.5cm rgba(0,0,0,0.5);
}
page[size="A4"] {
width: 21cm;
height: 29.7cm;
}
page...
Get Image size WITHOUT loading image into memory
...m_file('teste.png')
>>> t
'PNG image data, 782 x 602, 8-bit/color RGBA, non-interlaced'
>>> re.search('(\d+) x (\d+)', t).groups()
('782', '602')
This is a wrapper around libmagic which read as few bytes as possible in order to identify a file type signature.
Relevant version of...