28 #include "../../include/effects/Crop.h"
30 using namespace openshot;
33 Crop::Crop() : left(0.1), top(0.1), right(0.1), bottom(0.1) {
35 init_effect_details();
40 left(left), top(top), right(right), bottom(bottom)
43 init_effect_details();
47 void Crop::init_effect_details()
62 std::shared_ptr<Frame>
Crop::GetFrame(std::shared_ptr<Frame> frame, int64_t frame_number)
65 std::shared_ptr<QImage> frame_image = frame->GetImage();
68 std::shared_ptr<QImage> tempColor = std::shared_ptr<QImage>(
new QImage(frame_image->width(), 1, QImage::Format_RGBA8888));
69 tempColor->fill(QColor(QString::fromStdString(
"transparent")));
78 unsigned char *pixels = (
unsigned char *) frame_image->bits();
79 unsigned char *color_pixels = (
unsigned char *) tempColor->bits();
82 int top_bar_height = top_value * frame_image->height();
83 int bottom_bar_height = bottom_value * frame_image->height();
84 int left_bar_width = left_value * frame_image->width();
85 int right_bar_width = right_value * frame_image->width();
88 for (
int row = 0; row < frame_image->height(); row++) {
91 if ((top_bar_height > 0.0 && row <= top_bar_height) || (bottom_bar_height > 0.0 && row >= frame_image->height() - bottom_bar_height)) {
92 memcpy(&pixels[row * frame_image->width() * 4], color_pixels,
sizeof(char) * frame_image->width() * 4);
95 if (left_bar_width > 0.0) {
96 memcpy(&pixels[row * frame_image->width() * 4], color_pixels,
sizeof(char) * left_bar_width * 4);
100 if (right_bar_width > 0.0) {
101 memcpy(&pixels[((row * frame_image->width()) + (frame_image->width() - right_bar_width)) * 4], color_pixels,
sizeof(char) * right_bar_width * 4);
141 bool success = reader.parse( value, root );
144 throw InvalidJSON(
"JSON could not be parsed (or is invalid)",
"");
154 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)",
"");
165 if (!root[
"left"].isNull())
167 if (!root[
"top"].isNull())
169 if (!root[
"right"].isNull())
171 if (!root[
"bottom"].isNull())
180 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
181 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 1000 * 60 * 30,
false, requested_frame);
183 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 1000 * 60 * 30,
false, requested_frame);
184 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 1000 * 60 * 30,
false, requested_frame);
185 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 1000 * 60 * 30,
true, requested_frame);
194 return root.toStyledString();
Keyframe top
Size of top bar.
string PropertiesJSON(int64_t requested_frame)
Keyframe right
Size of right bar.
Json::Value JsonValue()
Generate Json::JsonValue for this object.
Keyframe left
Size of left bar.
float End()
Get end position (in seconds) of clip (trim end of video)
void SetJson(string value)
Load JSON string into this object.
Json::Value add_property_json(string name, float value, string type, string memo, Keyframe *keyframe, float min_value, float max_value, bool readonly, int64_t requested_frame)
Generate JSON for a property.
int Layer()
Get layer of clip on timeline (lower number is covered by higher numbers)
string class_name
The class name of the effect.
virtual Json::Value JsonValue()=0
Generate Json::JsonValue for this object.
void SetJsonValue(Json::Value root)
Load Json::JsonValue into this object.
bool has_audio
Determines if this effect manipulates the audio of a frame.
void SetJsonValue(Json::Value root)
Load Json::JsonValue into this object.
string Json()
Get and Set JSON methods.
string Id()
Get basic properties.
Keyframe bottom
Size of bottom bar.
float Position()
Get position on timeline (in seconds)
string name
The name of the effect.
std::shared_ptr< Frame > GetFrame(std::shared_ptr< Frame > frame, int64_t frame_number)
This method is required for all derived classes of EffectBase, and returns a modified openshot::Frame...
string description
The description of this effect and what it does.
virtual void SetJsonValue(Json::Value root)=0
Load Json::JsonValue into this object.
double GetValue(int64_t index)
Get the value at a specific index.
Crop()
Blank constructor, useful when using Json to load the effect properties.
Json::Value JsonValue()
Generate Json::JsonValue for this object.
bool has_video
Determines if this effect manipulates the image of a frame.
Exception for invalid JSON.
A Keyframe is a collection of Point instances, which is used to vary a number or property over time...
float Duration()
Get the length of this clip (in seconds)
float Start()
Get start position (in seconds) of clip (trim start of video)
EffectInfoStruct info
Information about the current effect.