![]() Get the format of the colors in the palette.ĭefinition at line 83 of file SimpleImage.h. new SimpleImage(fileInputElement), creates a SimpleImage to represent the image selected by the user using the fileInputElement given from the web page, var. PixelFormat COR_CALL corona::SimpleImage::getPaletteFormat Get the number of entries in the palette.ĭefinition at line 79 of file SimpleImage.h. Int COR_CALL corona::SimpleImage::getPaletteSize ![]() Pixels are packed in the format defined by getPaletteFormat().ĭefinition at line 75 of file SimpleImage.h. Void* COR_CALL corona::SimpleImage::getPalette Returns: pointer to first element in pixel bufferĭefinition at line 71 of file SimpleImage.h. If you don't like the question, you are free to vote to close or comment on the question. The pixels are packed in the format defined by the image's pixel format. Answers are for answers, comments are for comments. Void* COR_CALL corona::SimpleImage::getPixels References COR_CALL, and corona::PixelFormat. PixelFormat COR_CALL corona::SimpleImage::getFormatĭefinition at line 67 of file SimpleImage.h. Int COR_CALL corona::SimpleImage::getHeightĭefinition at line 63 of file SimpleImage.h. Int COR_CALL corona::SimpleImage::getWidthĭefinition at line 59 of file SimpleImage.h. it should be width*height*sizeof(pixel) bytes.ĭefinition at line 34 of file SimpleImage.h.ĭestroys the image, freeing the owned pixel buffer and palette.ĭefinition at line 54 of file SimpleImage.h. Pixel buffer that the SimpleImage takes ownership of. The larger sample, the larger the square size. let pixelArr ctx.getImageData(0, 0, w, h).data Then we’ll set the sample size to define how much pixelated effect would be. The constructor takes a pixel buffer (and optionally a palette) which it then owns and delete's when the image is destroyed.ĭefinition at line 18 of file SimpleImage.h.Ĭreates a new image, setting all properties. First we’ll get the pixels array using getImageData from canvas 2D context. Has a width, a height, a pixel format, and a 2D array of pixels (one-byte packing). SimpleImage (int width, int height, PixelFormat format, byte *pixels, byte *palette=0, int palette_size=0, PixelFormat palette_format=PF_DONTCARE)īasic, flat, simple image. Inheritance diagram for corona::SimpleImage:Ĭollaboration diagram for corona::SimpleImage: Write a program to draw a square 200 pixels by 200 pixels that looks like this square with colors red (red value 255), green (green value 255), blue (blue value 255) and magenta (red value 255 and blue value 255). When this script gets executed, the image starts loading. To do this, you can use the convenient Image () constructor: const img new Image() // Create new img element img.src 'myImage.png' // Set source path. Corona::SimpleImage class Reference Main Page Namespace List Class Hierarchy Alphabetical List Compound List File List Namespace Members Compound Members File Members Related PagesĬorona::SimpleImage Class Reference #include Another option is to create new HTMLImageElement objects in our script.
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