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rothomp3/objc-buffer-example.m

Created June 6, 2014 14:07
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Objective-C way of writing to a memory buffer
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objc-buffer-example.m
uint8_t* bitmapBuffer = calloc(width * height * 4, sizeof(uint8_t));
int pixelNumber = (x * 4) + (y * width * 4);
bitmapBuffer[pixelNumber + 3] = 255; // alpha
bitmapBuffer[pixelNumber + 2] = redValue;
bitmapBuffer[pixelNumber + 1] = greenValue;
bitmapBuffer[pixelNumber + 0] = blueValue;
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