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| author | Björn Steinbrink <B.Steinbrink@gmx.de> | 2006-03-16 15:50:00 +0000 |
|---|---|---|
| committer | Björn Steinbrink <B.Steinbrink@gmx.de> | 2006-03-16 15:50:00 +0000 |
| commit | 32badd4b6f843cb74fdc3238fe92119518c8c0ab (patch) | |
| tree | ade2ace7f5ef62ae9fd14c6409d9c2df43a2348b /src/resources/image.cpp | |
| parent | 65ccfccfc1e35a2e65638aea61c46e4e51bd874e (diff) | |
| download | mana-32badd4b6f843cb74fdc3238fe92119518c8c0ab.tar.gz mana-32badd4b6f843cb74fdc3238fe92119518c8c0ab.tar.bz2 mana-32badd4b6f843cb74fdc3238fe92119518c8c0ab.tar.xz mana-32badd4b6f843cb74fdc3238fe92119518c8c0ab.zip | |
A bunch of cosmetic changes.
Diffstat (limited to 'src/resources/image.cpp')
| -rw-r--r-- | src/resources/image.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/resources/image.cpp b/src/resources/image.cpp index ee2736d4..51899d3f 100644 --- a/src/resources/image.cpp +++ b/src/resources/image.cpp @@ -282,14 +282,16 @@ Image *Image::getSubImage(int x, int y, int width, int height) void Image::setAlpha(float a) { - mAlpha = a; - - if (!mImage) { + if (mAlpha == a) { return; } - // Set the alpha value this image is drawn at - SDL_SetAlpha(mImage, SDL_SRCALPHA | SDL_RLEACCEL, (int)(255 * mAlpha)); + mAlpha = a; + + if (mImage) { + // Set the alpha value this image is drawn at + SDL_SetAlpha(mImage, SDL_SRCALPHA | SDL_RLEACCEL, (int)(255 * mAlpha)); + } } float Image::getAlpha() |