Correct atop → over in the README too.

[movit] / README

diff --git a/README b/README
index 485fd341b1bcb2fc00a23d8d94dbe438094ecead..9e127a6b5e45da38c917182f1ae7331848dc395b 100644 (file)
--- a/README
+++ b/README
@@ -41,7 +41,7 @@ Still TL;DR, please give me the list of filters
 ===============================================
 
 Blur, diffusion, glow, lift/gamma/gain (color correction), mirror,
-mix (add two inputs), overlay (the Porter-Duff “atop” operation),
+mix (add two inputs), overlay (the Porter-Duff “over” operation),
 scale (bilinear and Lanczos), sharpen (both by unsharp mask and by
 Wiener filters), saturation (or desaturation), vignette, and white balance.
 
@@ -62,7 +62,7 @@ Assuming you have an OpenGL context already set up:
   ImageFormat inout_format;
   inout_format.color_space = COLORSPACE_sRGB;
   inout_format.gamma_curve = GAMMA_sRGB;
-  FlatInput *input = knew FlatInput(inout_format, FORMAT_BGRA, GL_UNSIGNED_BYTE, 1280, 720));
+  FlatInput *input = knew FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, 1280, 720));
   chain.add_input(input);
 
   Effect *saturation_effect = chain.add_effect(new SaturationEffect());
@@ -72,7 +72,7 @@ Assuming you have an OpenGL context already set up:
   const float gain[] = { 0.8f, 1.0f, 1.0f };
   lift_gamma_gain_effect->set_vec3("gain", &gain);
 
-  chain.add_output(inout_format);
+  chain.add_output(inout_format, OUTPUT_POSTMULTIPLIED_ALPHA);
   chain.finalize();
 
   for ( ;; ) {