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Count Black Pixels of Image

I 开发者_开发百科am trying to count only the black pixels of a PNG image using PHP.Have not found anything close on the web. Thanks in advance!You can achieve that using gd. Just open the image with i[详细]

2023-03-26 23:02 分类：问答
QPixmap image loading problem

Basically I am trying to load the image as a texture using QPixmap: texture[T_WALL] = bindTexture(QPixmap(\":/images/wall.png\"), GL_TEXTURE_2D);[详细]

2023-03-26 13:59 分类：问答
python: convert base64 encoded png image to jpg

I want to convert some base64 encoded png images to jpg using python. I know how to decode from base64 back to raw:[详细]

2023-03-26 13:22 分类：问答
FPDF Image from Dynamic Source. php/png/pdf. Can't get image to work

http://babymoments.co/preview/highres%20preview/5_357/ According to the FPDF documentation here: http://www.fpdf.org/en/doc/image.htm[详细]

2023-03-26 12:05 分类：问答
iOS - pngcrush discrepancy

I seem to be having issues replicating the iOS png optimizations that xcode ma开发者_开发问答kes. Our app allows users to update content via an asset server by comparing the checksums of the files sto[详细]

2023-03-26 09:45 分类：问答
Black border Around Transparent PNG in IE8

I\'m experiencing some problemes with a black small border around transparent PNG files..in a jquery slider in IE8.. It works fine in all browsers (including IE6 & 7) but not in IE8.[详细]

2023-03-26 03:01 分类：问答
How do I get PNG image data as a decoded byte array using GWT?

Using GWT I would like to read a开发者_Go百科 PNG image and have the data accessible to me as a decoded byte array.[详细]

2023-03-25 22:49 分类：问答
Best practice/tool for AJAX loading indicator as animated PNG sprite?

Obviously GIFs do not support an alpha channel. If I waned an alpha-channel开发者_开发百科 capable “throbber,” “spinner,” or Ajax loading indicator, it seems the only (post-IE6) cross-browser opti[详细]

2023-03-25 22:47 分类：问答
PNG Compression in .net

I want to compress bitmaps to PNG wi开发者_JS百科th different compression levels as these levels are available in JPEG compression in C#. I have 20 to 30 images of different sizes to process in 1 sec.[详细]

2023-03-25 17:24 分类：问答
How do I save base64 string as png image in Qt?

I want to write function which saves input base64 string as a png image to local. How can I开发者_JAVA百科 do it in Qt?This is a simple program I wrote sometime ago for testing png and base64.[详细]

2023-03-25 13:06 分类：问答