diff options
| -rw-r--r-- | AUTHORS | 1 | ||||
| -rw-r--r-- | src/library_sdl.js | 3 |
2 files changed, 4 insertions, 0 deletions
@@ -98,4 +98,5 @@ a license to everyone to use it as detailed in LICENSE.) * Ranger Harke <ranger.harke@autodesk.com> (copyright owned by Autodesk, Inc.) * Tobias Vrinssen <tobias@vrinssen.de> * Patrick R. Martin <patrick.martin.r@gmail.com> +* Richard Quirk <richard.quirk@gmail.com> diff --git a/src/library_sdl.js b/src/library_sdl.js index d6473df0..63e8b2b1 100644 --- a/src/library_sdl.js +++ b/src/library_sdl.js @@ -1131,7 +1131,10 @@ var LibrarySDL = { } else { dr = { x: 0, y: 0, w: -1, h: -1 }; } + var oldAlpha = dstData.ctx.globalAlpha; + dstData.ctx.globalAlpha = srcData.alpha/255; dstData.ctx.drawImage(srcData.canvas, sr.x, sr.y, sr.w, sr.h, dr.x, dr.y, sr.w, sr.h); + dstData.ctx.globalAlpha = oldAlpha; if (dst != SDL.screen) { // XXX As in IMG_Load, for compatibility we write out |pixels| console.log('WARNING: copying canvas data to memory for compatibility'); |