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Adding metadata from format, audio stream, and video streams to ReaderBase.info, which in some cases includes the 'rotate' metadata added by certain cameras, and audio metadata like title, album, artist, copyright, dates, etc... Auto-Rotates any Clip with Reader metadata 'rotate' attribute.

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Jonathan Thomas
2018-02-03 01:57:18 -06:00
parent 7b13001bf7
commit f2b0f3a0f4
9 changed files with 101 additions and 13 deletions
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18
src/Frame.cpp
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@@ -578,18 +578,16 @@ void Frame::Save(string path, float scale, string format, int quality)
// Thumbnail the frame image to the specified path. The image format is determined from the extension (i.e. image.PNG, image.JPEG)
void Frame::Thumbnail(string path, int new_width, int new_height, string mask_path, string overlay_path,
string background_color, bool ignore_aspect, string format, int quality) {
string background_color, bool ignore_aspect, string format, int quality, float rotate) {
// Create blank thumbnail image & fill background color
std::shared_ptr<QImage> thumbnail = std::shared_ptr<QImage>(new QImage(new_width, new_height, QImage::Format_RGBA8888));
thumbnail->fill(QColor(QString::fromStdString(background_color)));
// Create transform and painter
QTransform transform;
// Create painter
QPainter painter(thumbnail.get());
painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::TextAntialiasing, true);
// Get preview image
std::shared_ptr<QImage> previewImage = GetImage();
@@ -616,6 +614,18 @@ void Frame::Thumbnail(string path, int new_width, int new_height, string mask_pa
int x = (new_width - previewImage->size().width()) / 2.0; // center
int y = (new_height - previewImage->size().height()) / 2.0; // center
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
// Create transform and rotate (if needed)
QTransform transform;
float origin_x = previewImage->width() / 2.0;
float origin_y = previewImage->height() / 2.0;
transform.translate(origin_x, origin_y);
transform.rotate(rotate);
transform.translate(-origin_x,-origin_y);
painter.setTransform(transform);
// Draw image onto QImage
painter.drawImage(x, y, *previewImage);