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Added gravity to the TextReader, so text can be easily anchored to the corners.

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This commit is contained in:
Jonathan Thomas
2013-03-06 23:36:28 -06:00
parent 55aa8225eb
commit 5ce6add42f
3 changed files with 44 additions and 10 deletions
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36
src/TextReader.cpp
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@@ -2,8 +2,8 @@
using namespace openshot;
TextReader::TextReader(int width, int height, int x_offset, int y_offset, string text, string font, double size, string text_color, string background_color)
: width(width), height(height), x_offset(x_offset), y_offset(y_offset), text(text), font(font), size(size), text_color(text_color), background_color(background_color), is_open(false)
TextReader::TextReader(int width, int height, int x_offset, int y_offset, GravityType gravity, string text, string font, double size, string text_color, string background_color)
: width(width), height(height), x_offset(x_offset), y_offset(y_offset), text(text), font(font), size(size), text_color(text_color), background_color(background_color), is_open(false), gravity(gravity)
{
// Init FileInfo struct (clear all values)
InitFileInfo();
@@ -25,6 +25,38 @@ void TextReader::Open()
// Give image a transparent background color
image->backgroundColor(Magick::Color("none"));
// Set gravity (map between OpenShot and ImageMagick)
switch (gravity)
{
case GRAVITY_TOP_LEFT:
lines.push_back(Magick::DrawableGravity(Magick::NorthWestGravity));
break;
case GRAVITY_TOP:
lines.push_back(Magick::DrawableGravity(Magick::NorthGravity));
break;
case GRAVITY_TOP_RIGHT:
lines.push_back(Magick::DrawableGravity(Magick::NorthEastGravity));
break;
case GRAVITY_LEFT:
lines.push_back(Magick::DrawableGravity(Magick::WestGravity));
break;
case GRAVITY_CENTER:
lines.push_back(Magick::DrawableGravity(Magick::CenterGravity));
break;
case GRAVITY_RIGHT:
lines.push_back(Magick::DrawableGravity(Magick::EastGravity));
break;
case GRAVITY_BOTTOM_LEFT:
lines.push_back(Magick::DrawableGravity(Magick::SouthWestGravity));
break;
case GRAVITY_BOTTOM:
lines.push_back(Magick::DrawableGravity(Magick::SouthGravity));
break;
case GRAVITY_BOTTOM_RIGHT:
lines.push_back(Magick::DrawableGravity(Magick::SouthEastGravity));
break;
}
// Set stroke properties
lines.push_back(Magick::DrawableStrokeColor(Magick::Color("none")));
lines.push_back(Magick::DrawableStrokeWidth(0.0));