Open reader
| 48 | |
| 49 | // Open reader |
| 50 | void QtTextReader::Open() |
| 51 | { |
| 52 | // Open reader if not already open |
| 53 | if (!is_open) |
| 54 | { |
| 55 | // create image |
| 56 | image = std::make_shared<QImage>(width, height, QImage::Format_RGBA8888_Premultiplied); |
| 57 | image->fill(QColor(background_color.c_str())); |
| 58 | |
| 59 | QPainter painter; |
| 60 | if (!painter.begin(image.get())) { |
| 61 | return; |
| 62 | } |
| 63 | |
| 64 | // set background |
| 65 | if (!text_background_color.empty()) { |
| 66 | painter.setBackgroundMode(Qt::OpaqueMode); |
| 67 | painter.setBackground(QBrush(text_background_color.c_str())); |
| 68 | } |
| 69 | |
| 70 | // set font color |
| 71 | painter.setPen(QPen(text_color.c_str())); |
| 72 | |
| 73 | // set font |
| 74 | painter.setFont(font); |
| 75 | |
| 76 | // Set gravity (map between OpenShot and Qt) |
| 77 | int align_flag = 0; |
| 78 | switch (gravity) |
| 79 | { |
| 80 | case GRAVITY_TOP_LEFT: |
| 81 | align_flag = Qt::AlignLeft | Qt::AlignTop; |
| 82 | break; |
| 83 | case GRAVITY_TOP: |
| 84 | align_flag = Qt::AlignHCenter | Qt::AlignTop; |
| 85 | break; |
| 86 | case GRAVITY_TOP_RIGHT: |
| 87 | align_flag = Qt::AlignRight | Qt::AlignTop; |
| 88 | break; |
| 89 | case GRAVITY_LEFT: |
| 90 | align_flag = Qt::AlignVCenter | Qt::AlignLeft; |
| 91 | break; |
| 92 | case GRAVITY_CENTER: |
| 93 | align_flag = Qt::AlignCenter; |
| 94 | break; |
| 95 | case GRAVITY_RIGHT: |
| 96 | align_flag = Qt::AlignVCenter | Qt::AlignRight; |
| 97 | break; |
| 98 | case GRAVITY_BOTTOM_LEFT: |
| 99 | align_flag = Qt::AlignLeft | Qt::AlignBottom; |
| 100 | break; |
| 101 | case GRAVITY_BOTTOM: |
| 102 | align_flag = Qt::AlignHCenter | Qt::AlignBottom; |
| 103 | break; |
| 104 | case GRAVITY_BOTTOM_RIGHT: |
| 105 | align_flag = Qt::AlignRight | Qt::AlignBottom; |
| 106 | break; |
| 107 | } |