X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=glow_effect.cpp;fp=glow_effect.cpp;h=e4c9a421eef06cbec6a3d125e4b9cb5d92fbaa5e;hp=0000000000000000000000000000000000000000;hb=ef7665d0d3854b3464800d8d7fef9a90f14d9a9f;hpb=1e2d23133575fc1cfeb14652e4b383883bf24512

diff --git a/glow_effect.cpp b/glow_effect.cpp
new file mode 100644
index 0000000..e4c9a42
--- /dev/null
+++ b/glow_effect.cpp
@@ -0,0 +1,33 @@
+#include <math.h>
+#include <assert.h>
+
+#include "glow_effect.h"
+#include "blur_effect.h"
+#include "mix_effect.h"
+#include "effect_chain.h"
+#include "util.h"
+
+GlowEffect::GlowEffect()
+	: blur(new BlurEffect),
+	  mix(new MixEffect)
+{
+	mix->set_float("strength_first", 1.0f);
+	mix->set_float("strength_second", 0.3f);
+}
+
+void GlowEffect::add_self_to_effect_chain(EffectChain *chain, const std::vector<Effect *> &inputs) {
+	assert(inputs.size() == 1);
+	blur->add_self_to_effect_chain(chain, inputs);
+
+	std::vector<Effect *> mix_inputs;
+	mix_inputs.push_back(inputs[0]);
+	mix_inputs.push_back(chain->last_added_effect());  // FIXME
+	mix->add_self_to_effect_chain(chain, mix_inputs);
+}
+
+bool GlowEffect::set_float(const std::string &key, float value) {
+	if (key == "blurred_mix_amount") {
+		return mix->set_float("strength_second", value);
+	}
+	return blur->set_float(key, value);
+}