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Merge pull request #151 from alcomposer/new_checkerboard

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Checkerboard Solid Generator / Effect
This commit is contained in:
itsmattkc
2018-11-20 08:58:14 +11:00
committed by GitHub
parent 11710aea6f db8230075c
commit 5150cabd38
2 changed files with 40 additions and 2 deletions
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effects/internal/solideffect.cpp
+39 -2
View File
@@ -11,6 +11,7 @@
#define SOLID_TYPE_COLOR 0
#define SOLID_TYPE_BARS 1
#define SOLID_TYPE_CHECKERBOARD 2
#define SMPTE_BARS 7
#define SMPTE_STRIP_COUNT 3
@@ -22,6 +23,7 @@ SolidEffect::SolidEffect(Clip* c, const EffectMeta* em) : Effect(c, em) {
solid_type = add_row("Type:")->add_field(EFFECT_FIELD_COMBO);
solid_type->add_combo_item("Solid Color", SOLID_TYPE_COLOR);
solid_type->add_combo_item("SMPTE Bars", SOLID_TYPE_BARS);
solid_type->add_combo_item("Checkerboard", SOLID_TYPE_CHECKERBOARD);
solid_type->id = "type";
solid_color_field = add_row("Color:")->add_field(EFFECT_FIELD_COLOR);
@@ -34,9 +36,16 @@ SolidEffect::SolidEffect(Clip* c, const EffectMeta* em) : Effect(c, em) {
opacity_field->set_double_default_value(100);
opacity_field->id = "opacity";
solid_width_field = add_row("Width:")->add_field(EFFECT_FIELD_DOUBLE);
solid_width_field->set_double_minimum_value(1);
solid_width_field->set_double_maximum_value(c->getWidth());
solid_width_field->set_double_default_value(c->getWidth() / 10);
solid_width_field->id = "width";
connect(solid_type, SIGNAL(changed()), this, SLOT(field_changed()));
connect(solid_color_field, SIGNAL(changed()), this, SLOT(field_changed()));
connect(opacity_field, SIGNAL(changed()), this, SLOT(field_changed()));
connect(solid_width_field, SIGNAL(changed()), this, SLOT(field_changed()));
vertPath = ":/shaders/common.vert";
fragPath = ":/shaders/solideffect.frag";
@@ -143,8 +152,36 @@ void SolidEffect::redraw(double timecode) {
third_color.setAlpha(alpha);
p.fillRect(QRect(bar_x, third_bar_y, third_bar_width, third_bar_height), third_color);
}
}
break;
}
break;
case SOLID_TYPE_CHECKERBOARD:
{
// draw checkboard
QPainter p(&img);
p.setRenderHint(QPainter::Antialiasing);
img.fill(Qt::transparent);
int checker_width = qCeil(solid_width_field->get_double_value(timecode));
int checker_x, checker_y, count = 0;
int checkerboard_size_w = qCeil(double(w)/checker_width);
int checkerboard_size_h = qCeil(double(h)/checker_width);
QColor checker_odd(QColor(0,0,0,alpha));
QColor checker_even(solid_color_field->get_color_value(timecode));
checker_even.setAlpha(alpha);
QVector<QColor> checker_color{checker_odd, checker_even};
for(int i = 0; i < checkerboard_size_w; i++){
checker_x = checker_width*i;
if (checkerboard_size_h % 2 == 0 && count > 0) count++;
for(int j = 0; j < checkerboard_size_h; j++){
checker_y = checker_width*j;
p.fillRect(QRect(checker_x, checker_y, checker_width, checker_width), checker_color[count%2]);
count++;
}
}
}
break;
}
}
effects/internal/solideffect.h
+1
View File
@@ -13,6 +13,7 @@ public:
EffectField* solid_type;
EffectField* solid_color_field;
EffectField* opacity_field;
EffectField* solid_width_field;
void redraw(double timecode);
};