Make animation curve creation more generic

[libs/gl.git] / source / colorcurve.cpp

diff --git a/source/colorcurve.cpp b/source/colorcurve.cpp
index f1c090308458b4edbf9360d5018a80d817389471..54fbc767bb77a75ce19356d446a7c38d13526b52 100644 (file)
--- a/source/colorcurve.cpp
+++ b/source/colorcurve.cpp
@@ -18,7 +18,7 @@ ColorCurve::ColorCurve():
        shdata.uniform("source", 0);
        shdata.uniform("curve", 1);
 
-       curve.storage(LUMINANCE, 256);
+       curve.storage(LUMINANCE, 256, 1);
        curve.set_min_filter(LINEAR);
        curve.set_wrap(CLAMP_TO_EDGE);
        texturing.attach(1, curve);
@@ -88,5 +88,46 @@ void ColorCurve::render(Renderer &renderer, const Texture2D &color_buf, const Te
        quad.draw(renderer);
 }
 
+
+ColorCurve::Template::Template():
+       exposure_adjust(0.0f),
+       brightness_response(0.4f),
+       gamma(1.0f),
+       srgb(false)
+{ }
+
+ColorCurve *ColorCurve::Template::create(unsigned, unsigned) const
+{
+       RefPtr<ColorCurve> colorcurve = new ColorCurve;
+       colorcurve->set_exposure_adjust(exposure_adjust);
+       colorcurve->set_brightness_response(brightness_response);
+       if(srgb)
+               colorcurve->set_srgb();
+       else
+               colorcurve->set_gamma(gamma);
+       return colorcurve.release();
+}
+
+
+ColorCurve::Template::Loader::Loader(Template &t):
+       DataFile::DerivedObjectLoader<Template, PostProcessor::Template::Loader>(t)
+{
+       add("brightness_response", &Template::brightness_response);
+       add("exposure_adjust", &Template::exposure_adjust);
+       add("gamma", &Loader::gamma);
+       add("srgb", &Loader::srgb);
+}
+
+void ColorCurve::Template::Loader::gamma(float g)
+{
+       obj.gamma = g;
+       obj.srgb = false;
+}
+
+void ColorCurve::Template::Loader::srgb()
+{
+       obj.srgb = true;
+}
+
 } // namespace GL
 } // namespace Msp