Yet more moving of stuff around.
authorSteinar H. Gunderson <sgunderson@bigfoot.com>
Mon, 1 Oct 2012 15:26:13 +0000 (17:26 +0200)
committerSteinar H. Gunderson <sgunderson@bigfoot.com>
Mon, 1 Oct 2012 15:26:13 +0000 (17:26 +0200)
12 files changed:
Makefile
colorspace_conversion_effect.cpp [new file with mode: 0644]
colorspace_conversion_effect.h [new file with mode: 0644]
effect.h
effect_chain.cpp [new file with mode: 0644]
effect_chain.h [new file with mode: 0644]
effect_id.h [new file with mode: 0644]
gamma_expansion_effect.cpp [new file with mode: 0644]
gamma_expansion_effect.h [new file with mode: 0644]
lift_gamma_gain_effect.cpp [new file with mode: 0644]
lift_gamma_gain_effect.h [new file with mode: 0644]
main.cpp

index 5453fbd..2beee8b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,8 @@ CC=gcc
 CXX=g++
 CXXFLAGS=-Wall
 LDFLAGS=-lSDL -lSDL_image -lGL
-OBJS=main.o util.o widgets.o effect.o
+OBJS=main.o util.o widgets.o effect.o effect_chain.o
+OBJS += lift_gamma_gain_effect.o gamma_expansion_effect.o colorspace_conversion_effect.o
 
 test: $(OBJS)
        $(CXX) -o test $(OBJS) $(LDFLAGS)
diff --git a/colorspace_conversion_effect.cpp b/colorspace_conversion_effect.cpp
new file mode 100644 (file)
index 0000000..fe8119a
--- /dev/null
@@ -0,0 +1,9 @@
+#include "colorspace_conversion_effect.h"
+
+ColorSpaceConversionEffect::ColorSpaceConversionEffect()
+       : source_space(COLORSPACE_sRGB),
+         destination_space(COLORSPACE_sRGB)
+{
+       register_int("source_space", (int *)&source_space);
+       register_int("destination_space", (int *)&destination_space);
+}
diff --git a/colorspace_conversion_effect.h b/colorspace_conversion_effect.h
new file mode 100644 (file)
index 0000000..bf3583b
--- /dev/null
@@ -0,0 +1,15 @@
+#ifndef _COLORSPACE_CONVERSION_EFFECT_H
+#define _COLORSPACE_CONVERSION_EFFECT_H 1
+
+#include "effect.h"
+#include "effect_chain.h"
+
+class ColorSpaceConversionEffect : public Effect {
+public:
+       ColorSpaceConversionEffect();
+
+private:
+       ColorSpace source_space, destination_space;
+};
+
+#endif // !defined(_COLORSPACE_CONVERSION_EFFECT_H)
index deeaae4..a7b0e4b 100644 (file)
--- a/effect.h
+++ b/effect.h
@@ -4,6 +4,14 @@
 #include <map>
 #include <string>
 
+// Can alias on a float[3].
+struct RGBTriplet {
+       RGBTriplet(float r, float g, float b)
+               : r(r), g(g), b(b) {}
+
+       float r, g, b;
+};
+
 class Effect {
 public: 
        virtual bool needs_linear_light() { return true; }
diff --git a/effect_chain.cpp b/effect_chain.cpp
new file mode 100644 (file)
index 0000000..05adfd8
--- /dev/null
@@ -0,0 +1,59 @@
+#include <assert.h>
+
+#include "effect_chain.h"
+#include "gamma_expansion_effect.h"
+#include "lift_gamma_gain_effect.h"
+#include "colorspace_conversion_effect.h"
+
+EffectChain::EffectChain(unsigned width, unsigned height)
+       : width(width), height(height) {}
+
+void EffectChain::add_input(const ImageFormat &format)
+{
+       input_format = format;
+       current_color_space = format.color_space;
+       current_gamma_curve = format.gamma_curve;
+}
+
+void EffectChain::add_output(const ImageFormat &format)
+{
+       output_format = format;
+}
+       
+Effect *instantiate_effect(EffectId effect)
+{
+       switch (effect) {
+       case GAMMA_CONVERSION:
+               return new GammaExpansionEffect();
+       case RGB_PRIMARIES_CONVERSION:
+               return new GammaExpansionEffect();
+       case LIFT_GAMMA_GAIN:
+               return new LiftGammaGainEffect();
+       }
+       assert(false);
+}
+
+Effect *EffectChain::add_effect(EffectId effect_id)
+{
+       Effect *effect = instantiate_effect(effect_id);
+
+       if (effect->needs_linear_light() && current_gamma_curve != GAMMA_LINEAR) {
+               GammaExpansionEffect *gamma_conversion = new GammaExpansionEffect();
+               gamma_conversion->set_int("source_curve", current_gamma_curve);
+               effects.push_back(gamma_conversion);
+               current_gamma_curve = GAMMA_LINEAR;
+       }
+
+       if (effect->needs_srgb_primaries() && current_color_space != COLORSPACE_sRGB) {
+               assert(current_gamma_curve == GAMMA_LINEAR);
+               ColorSpaceConversionEffect *colorspace_conversion = new ColorSpaceConversionEffect();
+               colorspace_conversion->set_int("source_space", current_color_space);
+               colorspace_conversion->set_int("destination_space", COLORSPACE_sRGB);
+               effects.push_back(colorspace_conversion);
+               current_color_space = COLORSPACE_sRGB;
+       }
+
+       effects.push_back(effect);
+       return effect;
+}
+
diff --git a/effect_chain.h b/effect_chain.h
new file mode 100644 (file)
index 0000000..c8fe11e
--- /dev/null
@@ -0,0 +1,53 @@
+#ifndef _EFFECT_CHAIN_H
+#define _EFFECT_CHAIN_H 1
+
+#include <vector>
+
+#include "effect.h"
+#include "effect_id.h"
+
+enum PixelFormat { FORMAT_RGB, FORMAT_RGBA };
+
+enum ColorSpace {
+       COLORSPACE_sRGB = 0,
+       COLORSPACE_REC_709 = 0,  // Same as sRGB.
+       COLORSPACE_REC_601_525 = 1,
+       COLORSPACE_REC_601_625 = 2,
+};
+
+enum GammaCurve {
+       GAMMA_LINEAR = 0,
+       GAMMA_sRGB = 1,
+       GAMMA_REC_601 = 2,
+       GAMMA_REC_709 = 2,  // Same as Rec. 601.
+};
+
+struct ImageFormat {
+       PixelFormat pixel_format;
+       ColorSpace color_space;
+       GammaCurve gamma_curve;
+};
+
+class EffectChain {
+public:
+       EffectChain(unsigned width, unsigned height);
+       void add_input(const ImageFormat &format);
+
+       // The pointer is owned by EffectChain.
+       Effect *add_effect(EffectId effect);
+
+       void add_output(const ImageFormat &format);
+
+       void render(unsigned char *src, unsigned char *dst);
+
+private:
+       unsigned width, height;
+       ImageFormat input_format, output_format;
+       std::vector<Effect *> effects;
+
+       ColorSpace current_color_space;
+       GammaCurve current_gamma_curve; 
+};
+
+
+#endif // !defined(_EFFECT_CHAIN_H)
diff --git a/effect_id.h b/effect_id.h
new file mode 100644 (file)
index 0000000..af92ac0
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _EFFECT_ID_H
+#define _EFFECT_ID_H 1
+
+enum EffectId {
+       // Mostly for internal use.
+       GAMMA_CONVERSION = 0,
+       RGB_PRIMARIES_CONVERSION,
+
+       // Color.
+       LIFT_GAMMA_GAIN,
+};
+
+#endif // !defined(_EFFECT_ID_H)
diff --git a/gamma_expansion_effect.cpp b/gamma_expansion_effect.cpp
new file mode 100644 (file)
index 0000000..dcd0cde
--- /dev/null
@@ -0,0 +1,7 @@
+#include "gamma_expansion_effect.h"j
+
+GammaExpansionEffect::GammaExpansionEffect()
+       : source_curve(GAMMA_LINEAR)
+{
+       register_int("source_curve", (int *)&source_curve);
+}
diff --git a/gamma_expansion_effect.h b/gamma_expansion_effect.h
new file mode 100644 (file)
index 0000000..497a38c
--- /dev/null
@@ -0,0 +1,15 @@
+#ifndef _GAMMA_EXPANSION_EFFECT_H 
+#define _GAMMA_EXPANSION_EFFECT_H 1
+
+#include "effect.h"
+#include "effect_chain.h"
+
+class GammaExpansionEffect : public Effect {
+public:
+       GammaExpansionEffect();
+
+private:
+       GammaCurve source_curve;
+};
+
+#endif // !defined(_GAMMA_EXPANSION_EFFECT_H)
diff --git a/lift_gamma_gain_effect.cpp b/lift_gamma_gain_effect.cpp
new file mode 100644 (file)
index 0000000..5c83854
--- /dev/null
@@ -0,0 +1,13 @@
+#include "lift_gamma_gain_effect.h"
+
+LiftGammaGainEffect::LiftGammaGainEffect()
+       : lift(0.0f, 0.0f, 0.0f),
+         gamma(1.0f, 1.0f, 1.0f),
+         gain(1.0f, 1.0f, 1.0f),
+         saturation(1.0f)
+{
+       register_vec3("lift", (float *)&lift);
+       register_vec3("gamma", (float *)&gamma);
+       register_vec3("gain", (float *)&gain);
+       register_float("saturation", &saturation);
+}
diff --git a/lift_gamma_gain_effect.h b/lift_gamma_gain_effect.h
new file mode 100644 (file)
index 0000000..ae71448
--- /dev/null
@@ -0,0 +1,15 @@
+#ifndef _LIFT_GAMMA_GAIN_EFFECT_H
+#define _LIFT_GAMMA_GAIN_EFFECT_H 1
+
+#include "effect.h"
+
+class LiftGammaGainEffect : public Effect {
+public:
+       LiftGammaGainEffect();
+
+private:
+       RGBTriplet lift, gamma, gain;
+       float saturation;
+};
+
+#endif // !defined(_LIFT_GAMMA_GAIN_EFFECT_H)
index 8483739..3b2bcad 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -22,6 +22,7 @@
 #include <GL/glext.h>
 
 #include "effect.h"
+#include "effect_chain.h"
 #include "util.h"
 #include "widgets.h"
 #include "texture_enum.h"
@@ -37,165 +38,6 @@ float lift_r = 0.0f, lift_g = 0.0f, lift_b = 0.0f;
 float gamma_r = 1.0f, gamma_g = 1.0f, gamma_b = 1.0f;
 float gain_r = 1.0f, gain_g = 1.0f, gain_b = 1.0f;
 
-enum PixelFormat { FORMAT_RGB, FORMAT_RGBA };
-
-enum ColorSpace {
-       COLORSPACE_sRGB = 0,
-       COLORSPACE_REC_709 = 0,  // Same as sRGB.
-       COLORSPACE_REC_601_525 = 1,
-       COLORSPACE_REC_601_625 = 2,
-};
-
-enum GammaCurve {
-       GAMMA_LINEAR = 0,
-       GAMMA_sRGB = 1,
-       GAMMA_REC_601 = 2,
-       GAMMA_REC_709 = 2,  // Same as Rec. 601.
-};
-
-struct ImageFormat {
-       PixelFormat pixel_format;
-       ColorSpace color_space;
-       GammaCurve gamma_curve;
-};
-
-enum EffectId {
-       // Mostly for internal use.
-       GAMMA_CONVERSION = 0,
-       RGB_PRIMARIES_CONVERSION,
-
-       // Color.
-       LIFT_GAMMA_GAIN,
-};
-
-// Can alias on a float[3].
-struct RGBTriplet {
-       RGBTriplet(float r, float g, float b)
-               : r(r), g(g), b(b) {}
-
-       float r, g, b;
-};
-
-class GammaExpansionEffect : public Effect {
-public:
-       GammaExpansionEffect()
-               : source_curve(GAMMA_LINEAR)
-       {
-               register_int("source_curve", (int *)&source_curve);
-       }
-
-private:
-       GammaCurve source_curve;
-};
-
-class ColorSpaceConversionEffect : public Effect {
-public:
-       ColorSpaceConversionEffect()
-               : source_space(COLORSPACE_sRGB),
-                 destination_space(COLORSPACE_sRGB)
-       {
-               register_int("source_space", (int *)&source_space);
-               register_int("destination_space", (int *)&destination_space);
-       }
-
-private:
-       ColorSpace source_space, destination_space;
-};
-
-class ColorSpaceConversionEffect;
-
-class LiftGammaGainEffect : public Effect {
-public:
-       LiftGammaGainEffect()
-               : lift(0.0f, 0.0f, 0.0f),
-                 gamma(1.0f, 1.0f, 1.0f),
-                 gain(1.0f, 1.0f, 1.0f),
-                 saturation(1.0f)
-       {
-               register_vec3("lift", (float *)&lift);
-               register_vec3("gamma", (float *)&gamma);
-               register_vec3("gain", (float *)&gain);
-               register_float("saturation", &saturation);
-       }
-
-private:
-       RGBTriplet lift, gamma, gain;
-       float saturation;
-};
-
-class EffectChain {
-public:
-       EffectChain(unsigned width, unsigned height);
-       void add_input(const ImageFormat &format);
-
-       // The pointer is owned by EffectChain.
-       Effect *add_effect(EffectId effect);
-
-       void add_output(const ImageFormat &format);
-
-       void render(unsigned char *src, unsigned char *dst);
-
-private:
-       unsigned width, height;
-       ImageFormat input_format, output_format;
-       std::vector<Effect *> effects;
-
-       ColorSpace current_color_space;
-       GammaCurve current_gamma_curve; 
-};
-
-EffectChain::EffectChain(unsigned width, unsigned height)
-       : width(width), height(height) {}
-
-void EffectChain::add_input(const ImageFormat &format)
-{
-       input_format = format;
-       current_color_space = format.color_space;
-       current_gamma_curve = format.gamma_curve;
-}
-
-void EffectChain::add_output(const ImageFormat &format)
-{
-       output_format = format;
-}
-       
-Effect *instantiate_effect(EffectId effect)
-{
-       switch (effect) {
-       case GAMMA_CONVERSION:
-               return new GammaExpansionEffect();
-       case RGB_PRIMARIES_CONVERSION:
-               return new GammaExpansionEffect();
-       case LIFT_GAMMA_GAIN:
-               return new LiftGammaGainEffect();
-       }
-       assert(false);
-}
-
-Effect *EffectChain::add_effect(EffectId effect_id)
-{
-       Effect *effect = instantiate_effect(effect_id);
-
-       if (effect->needs_linear_light() && current_gamma_curve != GAMMA_LINEAR) {
-               GammaExpansionEffect *gamma_conversion = new GammaExpansionEffect();
-               gamma_conversion->set_int("source_curve", current_gamma_curve);
-               effects.push_back(gamma_conversion);
-               current_gamma_curve = GAMMA_LINEAR;
-       }
-
-       if (effect->needs_srgb_primaries() && current_color_space != COLORSPACE_sRGB) {
-               assert(current_gamma_curve == GAMMA_LINEAR);
-               ColorSpaceConversionEffect *colorspace_conversion = new ColorSpaceConversionEffect();
-               colorspace_conversion->set_int("source_space", current_color_space);
-               colorspace_conversion->set_int("destination_space", COLORSPACE_sRGB);
-               effects.push_back(colorspace_conversion);
-               current_color_space = COLORSPACE_sRGB;
-       }
-
-       effects.push_back(effect);
-       return effect;
-}
-
 GLhandleARB read_shader(const char* filename, GLenum type)
 {
        static char buf[131072];