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added overlay (#54)

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This commit is contained in:
itsmattkc
2018-06-24 23:38:56 -07:00
parent bcd590cb5d
commit 72ea276ae7
4 changed files with 40 additions and 50 deletions
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effects/transformeffect.cpp
+5
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@@ -18,6 +18,7 @@
#define BLEND_MODE_NORMAL 0
#define BLEND_MODE_SCREEN 1
#define BLEND_MODE_MULTIPLY 2
#define BLEND_MODE_OVERLAY 3
TransformEffect::TransformEffect(Clip* c) : Effect(c) {
setup_effect(EFFECT_TYPE_VIDEO, VIDEO_TRANSFORM_EFFECT);
@@ -64,6 +65,7 @@ TransformEffect::TransformEffect(Clip* c) : Effect(c) {
ui_layout->addWidget(new QLabel("Blend Mode:"), 6, 0);
blend_mode_box = new QComboBox();
blend_mode_box->addItem("Normal", BLEND_MODE_NORMAL);
blend_mode_box->addItem("Overlay", BLEND_MODE_OVERLAY);
blend_mode_box->addItem("Screen", BLEND_MODE_SCREEN);
blend_mode_box->addItem("Multiply", BLEND_MODE_MULTIPLY);
ui_layout->addWidget(blend_mode_box, 6, 1);
@@ -189,6 +191,9 @@ void TransformEffect::process_gl(int* anchor_x, int* anchor_y) {
case BLEND_MODE_NORMAL:
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
break;
case BLEND_MODE_OVERLAY:
glBlendFunc(GL_DST_COLOR, GL_SRC_ALPHA);
break;
case BLEND_MODE_SCREEN:
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
break;