33 #include "../include/QtHtmlReader.h"
36 #include <QTextDocument>
37 #include <QGuiApplication>
38 #include <QAbstractTextDocumentLayout>
51 : width(width), height(height), x_offset(x_offset), y_offset(y_offset), gravity(gravity), html(html), css(css), background_color(background_color), is_open(false)
65 image = std::shared_ptr<QImage>(
new QImage(width, height, QImage::Format_RGBA8888));
66 image->fill(QColor(background_color.c_str()));
70 if (!painter.begin(image.get())) {
75 painter.setBackground(QBrush(background_color.c_str()));
78 QTextDocument text_document;
81 text_document.setUndoRedoEnabled(
false);
84 text_document.setTextWidth(width);
85 text_document.setDefaultStyleSheet(css.c_str());
86 text_document.setHtml(html.c_str());
88 int td_height = text_document.documentLayout()->documentSize().height();
91 painter.translate(x_offset, y_offset);
93 painter.translate(x_offset, (height - td_height) / 2 + y_offset);
95 painter.translate(x_offset, height - td_height + y_offset);
99 text_document.setDefaultTextOption(QTextOption(Qt::AlignLeft));
101 text_document.setDefaultTextOption(QTextOption(Qt::AlignHCenter));
103 text_document.setDefaultTextOption(QTextOption(Qt::AlignRight));
107 text_document.drawContents(&painter);
165 std::shared_ptr<Frame> image_frame(
new Frame(requested_frame, image->size().width(), image->size().height(), background_color, 0, 2));
168 image_frame->AddImage(image);
174 std::shared_ptr<Frame> image_frame(
new Frame(1, 640, 480, background_color, 0, 2));
194 root[
"type"] =
"QtHtmlReader";
195 root[
"width"] = width;
196 root[
"height"] = height;
197 root[
"x_offset"] = x_offset;
198 root[
"y_offset"] = y_offset;
201 root[
"background_color"] = background_color;
202 root[
"gravity"] = gravity;
218 catch (
const std::exception& e)
221 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)");
232 if (!root[
"width"].isNull())
233 width = root[
"width"].asInt();
234 if (!root[
"height"].isNull())
235 height = root[
"height"].asInt();
236 if (!root[
"x_offset"].isNull())
237 x_offset = root[
"x_offset"].asInt();
238 if (!root[
"y_offset"].isNull())
239 y_offset = root[
"y_offset"].asInt();
240 if (!root[
"html"].isNull())
241 html = root[
"html"].asString();
242 if (!root[
"css"].isNull())
243 css = root[
"css"].asString();
244 if (!root[
"background_color"].isNull())
245 background_color = root[
"background_color"].asString();
246 if (!root[
"gravity"].isNull())
This class represents a fraction.
int num
Numerator for the fraction.
double ToDouble()
Return this fraction as a double (i.e. 1/2 = 0.5)
void Reduce()
Reduce this fraction (i.e. 640/480 = 4/3)
int den
Denominator for the fraction.
This class represents a single frame of video (i.e. image & audio data)
Exception for invalid JSON.
void Open()
Open Reader - which is called by the constructor automatically.
Json::Value JsonValue() const override
Generate Json::Value for this object.
std::string Json() const override
Get and Set JSON methods.
void SetJson(const std::string value)
Load JSON string into this object.
QtHtmlReader()
Default constructor (blank text)
void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
std::shared_ptr< openshot::Frame > GetFrame(int64_t requested_frame)
void Close()
Close Reader.
openshot::ReaderInfo info
Information about the current media file.
virtual void SetJsonValue(const Json::Value root)=0
Load Json::Value into this object.
virtual Json::Value JsonValue() const =0
Generate Json::Value for this object.
This namespace is the default namespace for all code in the openshot library.
GravityType
This enumeration determines how clips are aligned to their parent container.
@ GRAVITY_TOP_LEFT
Align clip to the top left of its parent.
@ GRAVITY_LEFT
Align clip to the left of its parent (middle aligned)
@ GRAVITY_TOP_RIGHT
Align clip to the top right of its parent.
@ GRAVITY_RIGHT
Align clip to the right of its parent (middle aligned)
@ GRAVITY_BOTTOM_LEFT
Align clip to the bottom left of its parent.
@ GRAVITY_BOTTOM
Align clip to the bottom center of its parent.
@ GRAVITY_TOP
Align clip to the top center of its parent.
@ GRAVITY_BOTTOM_RIGHT
Align clip to the bottom right of its parent.
@ GRAVITY_CENTER
Align clip to the center of its parent (middle aligned)
const Json::Value stringToJson(const std::string value)
float duration
Length of time (in seconds)
int width
The width of the video (in pixesl)
openshot::Fraction fps
Frames per second, as a fraction (i.e. 24/1 = 24 fps)
openshot::Fraction display_ratio
The ratio of width to height of the video stream (i.e. 640x480 has a ratio of 4/3)
int height
The height of the video (in pixels)
int64_t video_length
The number of frames in the video stream.
std::string acodec
The name of the audio codec used to encode / decode the video stream.
std::string vcodec
The name of the video codec used to encode / decode the video stream.
openshot::Fraction pixel_ratio
The pixel ratio of the video stream as a fraction (i.e. some pixels are not square)
bool has_video
Determines if this file has a video stream.
bool has_audio
Determines if this file has an audio stream.
openshot::Fraction video_timebase
The video timebase determines how long each frame stays on the screen.
int64_t file_size
Size of file (in bytes)