#include "program.h"
#include "programdata.h"
#include "texture1d.h"
+#include "texturing.h"
namespace Msp {
namespace GL {
/**
Processes oversaturated colors to preserve hues. When one color component
-exceeds 1.0, the others are scaled towards white. A transition curve is also
-applied near 1.0 to prevent the abrupt change in the gradient.
+exceeds 1.0, the overflow is distributed to the other components, scaling the
+color towards white.
Gamma or sRGB correction can also be applied to the output. It can be used to
improve color reproduction by performing lighting calculations in linear color
Program shprog;
ProgramData shdata;
Texture1D curve;
+ Texturing texturing;
const Mesh &quad;
public:
ColorCurve();
- /// Sets the size of the peak zone. Must be between 0 and 1, inclusive.
- void set_peak(float);
+ /** Set exposure adjustment in EV units. Positive values brighten the
+ image, negative values darken it. Zero is neutral. */
+ void set_exposure_adjust(float);
+
+ /** Sets the exponent of the */
+ void set_brightness_response(float);
- /** Sets brightness for oversaturated colors. Must be >= 1. Suggested
- values are between 1.5 and 2.0; a value of 1.0 will clamp colors to the
- saturated value. */
+ // Deprecated functions
+ void set_peak(float);
void set_brightness(float);
/** Sets the gamma value used for mapping output colors. Allowed range is
/// Sets output mapping to linear. This is equivalent to set_gamma(1).
void set_linear();
- virtual void render(const Texture2D &, const Texture2D &);
+ virtual void render(Renderer &, const Texture2D &, const Texture2D &);
};
} // namespace GL