Support trimmed images in BootAnimation

Each frame directory may optionally contain a `trim.txt` to specify
how the image was trimmed relative to the animation's full size.
See FORMAT.md for more details.

Bug: 29055299
Change-Id: I7a291e9a52b4bbe50a29c519f6a4d0e2cc0389d7

1 files changed, 5 insertions, 0 deletions

diff --git a/cmds/bootanimation/BootAnimation.h b/cmds/bootanimation/BootAnimation.h
index 1c3d53a59bb8..a093c9b87e75 100644
--- a/cmds/bootanimation/BootAnimation.h
+++ b/cmds/bootanimation/BootAnimation.h
@@ -79,6 +79,10 @@ private:
         struct Frame {
             String8 name;
             FileMap* map;
+            int trimX;
+            int trimY;
+            int trimWidth;
+            int trimHeight;
             mutable GLuint tid;
             bool operator < (const Frame& rhs) const {
                 return name < rhs.name;
@@ -90,6 +94,7 @@ private:
             int clockPosY;  // The y position of the clock, in pixels, from the bottom of the
                             // display (the clock is centred horizontally). -1 to disable the clock
             String8 path;
+            String8 trimData;
             SortedVector<Frame> frames;
             bool playUntilComplete;
             float backgroundColor[3];