Open reader
| 48 | |
| 49 | // Open reader |
| 50 | void TextReader::Open() |
| 51 | { |
| 52 | // Open reader if not already open |
| 53 | if (!is_open) |
| 54 | { |
| 55 | // create image |
| 56 | image = std::make_shared<Magick::Image>( |
| 57 | Magick::Geometry(width,height), Magick::Color(background_color)); |
| 58 | |
| 59 | // Give image a transparent background color |
| 60 | image->backgroundColor(Magick::Color("none")); |
| 61 | |
| 62 | // Set gravity (map between OpenShot and ImageMagick) |
| 63 | switch (gravity) |
| 64 | { |
| 65 | case GRAVITY_TOP_LEFT: |
| 66 | lines.push_back(Magick::DrawableGravity(Magick::NorthWestGravity)); |
| 67 | break; |
| 68 | case GRAVITY_TOP: |
| 69 | lines.push_back(Magick::DrawableGravity(Magick::NorthGravity)); |
| 70 | break; |
| 71 | case GRAVITY_TOP_RIGHT: |
| 72 | lines.push_back(Magick::DrawableGravity(Magick::NorthEastGravity)); |
| 73 | break; |
| 74 | case GRAVITY_LEFT: |
| 75 | lines.push_back(Magick::DrawableGravity(Magick::WestGravity)); |
| 76 | break; |
| 77 | case GRAVITY_CENTER: |
| 78 | lines.push_back(Magick::DrawableGravity(Magick::CenterGravity)); |
| 79 | break; |
| 80 | case GRAVITY_RIGHT: |
| 81 | lines.push_back(Magick::DrawableGravity(Magick::EastGravity)); |
| 82 | break; |
| 83 | case GRAVITY_BOTTOM_LEFT: |
| 84 | lines.push_back(Magick::DrawableGravity(Magick::SouthWestGravity)); |
| 85 | break; |
| 86 | case GRAVITY_BOTTOM: |
| 87 | lines.push_back(Magick::DrawableGravity(Magick::SouthGravity)); |
| 88 | break; |
| 89 | case GRAVITY_BOTTOM_RIGHT: |
| 90 | lines.push_back(Magick::DrawableGravity(Magick::SouthEastGravity)); |
| 91 | break; |
| 92 | } |
| 93 | |
| 94 | // Set stroke properties |
| 95 | lines.push_back(Magick::DrawableStrokeColor(Magick::Color("none"))); |
| 96 | lines.push_back(Magick::DrawableStrokeWidth(0.0)); |
| 97 | lines.push_back(Magick::DrawableFillColor(text_color)); |
| 98 | lines.push_back(Magick::DrawableFont(font)); |
| 99 | lines.push_back(Magick::DrawablePointSize(size)); |
| 100 | lines.push_back(Magick::DrawableText(x_offset, y_offset, text)); |
| 101 | |
| 102 | if (!text_background_color.empty()) { |
| 103 | lines.push_back(Magick::DrawableTextUnderColor(Magick::Color(text_background_color))); |
| 104 | } |
| 105 | |
| 106 | // Draw image |
| 107 | image->draw(lines); |