Filter types

qpx_BlurFilter "blur" Blur
qpx_SharpenFilter "shrp" Sharpen
qpx_EdgeDetectFilter "edge" Edge Detect
qpx_EmbossFilter "embs" Emboss
qpx_ConvolveFilter "genk" General Convolution
qpx_AlphaGainFilter "gain" Alpha Gain
qpx_RGBColorBalanceFilter "rgbb" RGB Color Balance
qpx_HSLColorBalanceFilter "hslb" HSL Color Balance
qpx_ColorSyncFilter "sync" ColorSync
qpx_FilmNoiseFilter "fmns" Film Noise
qpx_SolarizeFilter "solr" Solarize
qpx_ColorTintFilter "tint" Color Tint
qpx_LensFlareFilter "lens" Lens Flare
qpx_BrightnessContrastFilter "brco" Brightness and Contrast
qpx_EscBrightnessContrastFilter "BrCn" Brightness and Contrast (Escape)