37 Bars::Bars() : color(
"#000000"), left(0.0), top(0.1), right(0.0), bottom(0.1) {
39 init_effect_details();
44 color(color), left(left), top(top), right(right), bottom(bottom)
47 init_effect_details();
51 void Bars::init_effect_details()
66 std::shared_ptr<openshot::Frame>
Bars::GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number)
69 std::shared_ptr<QImage> frame_image = frame->GetImage();
72 auto tempColor = std::make_shared<QImage>(
73 frame_image->width(), 1, QImage::Format_RGBA8888_Premultiplied);
74 tempColor->fill(QColor(QString::fromStdString(
color.
GetColorHex(frame_number))));
83 unsigned char *pixels = (
unsigned char *) frame_image->bits();
84 unsigned char *color_pixels = (
unsigned char *) tempColor->bits();
87 int top_bar_height = top_value * frame_image->height();
88 int bottom_bar_height = bottom_value * frame_image->height();
89 int left_bar_width = left_value * frame_image->width();
90 int right_bar_width = right_value * frame_image->width();
93 for (
int row = 0; row < frame_image->height(); row++) {
96 if ((top_bar_height > 0.0 && row <= top_bar_height) || (bottom_bar_height > 0.0 && row >= frame_image->height() - bottom_bar_height)) {
97 memcpy(&pixels[row * frame_image->width() * 4], color_pixels,
sizeof(char) * frame_image->width() * 4);
100 if (left_bar_width > 0.0) {
101 memcpy(&pixels[row * frame_image->width() * 4], color_pixels,
sizeof(char) * left_bar_width * 4);
105 if (right_bar_width > 0.0) {
106 memcpy(&pixels[((row * frame_image->width()) + (frame_image->width() - right_bar_width)) * 4], color_pixels,
sizeof(char) * right_bar_width * 4);
151 catch (
const std::exception& e)
154 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)");
165 if (!root[
"color"].isNull())
167 if (!root[
"left"].isNull())
169 if (!root[
"top"].isNull())
171 if (!root[
"right"].isNull())
173 if (!root[
"bottom"].isNull())
182 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
183 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 1000 * 60 * 30,
false, requested_frame);
185 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 1000 * 60 * 30,
false, requested_frame);
186 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 1000 * 60 * 30,
false, requested_frame);
187 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 1000 * 60 * 30,
true, requested_frame);
203 return root.toStyledString();
void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
Keyframe right
Size of right bar.
std::string Id() const
Get the Id of this clip object.
Color color
Color of bars.
void SetJson(const std::string value) override
Load JSON string into this object.
float Start() const
Get start position (in seconds) of clip (trim start of video)
virtual void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
std::shared_ptr< openshot::Frame > GetFrame(int64_t frame_number) override
This method is required for all derived classes of ClipBase, and returns a new openshot::Frame object...
std::string PropertiesJSON(int64_t requested_frame) const override
const Json::Value stringToJson(const std::string value)
virtual Json::Value JsonValue() const
Generate Json::Value for this object.
openshot::Keyframe blue
Curve representing the red value (0 - 255)
bool has_audio
Determines if this effect manipulates the audio of a frame.
Header file for all Exception classes.
Keyframe top
Size of top bar.
openshot::Keyframe green
Curve representing the green value (0 - 255)
std::string GetColorHex(int64_t frame_number)
Get the HEX value of a color at a specific frame.
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
std::string class_name
The class name of the effect.
std::string name
The name of the effect.
This class represents a color (used on the timeline and clips)
float Duration() const
Get the length of this clip (in seconds)
void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
This namespace is the default namespace for all code in the openshot library.
Keyframe left
Size of left bar.
Json::Value JsonValue() const
Generate Json::Value for this object.
std::string description
The description of this effect and what it does.
std::string Json() const override
Generate JSON string of this object.
bool has_video
Determines if this effect manipulates the image of a frame.
Exception for invalid JSON.
double GetValue(int64_t index) const
Get the value at a specific index.
openshot::Keyframe red
Curve representing the red value (0 - 255)
std::string parent_effect_id
Id of the parent effect (if there is one)
Keyframe bottom
Size of bottom bar.
float Position() const
Get position on timeline (in seconds)
float End() const
Get end position (in seconds) of clip (trim end of video)
Header file for Bars effect class.
A Keyframe is a collection of Point instances, which is used to vary a number or property over time...
Json::Value add_property_json(std::string name, float value, std::string type, std::string memo, const Keyframe *keyframe, float min_value, float max_value, bool readonly, int64_t requested_frame) const
Generate JSON for a property.
int Layer() const
Get layer of clip on timeline (lower number is covered by higher numbers)
EffectInfoStruct info
Information about the current effect.
Json::Value JsonValue() const
Generate Json::Value for this object.
Json::Value JsonValue() const override
Generate Json::Value for this object.
Bars()
Blank constructor, useful when using Json to load the effect properties.