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authorAndrei Karas <akaras@inbox.ru>2012-12-27 22:12:10 +0300
committerAndrei Karas <akaras@inbox.ru>2012-12-27 23:15:06 +0300
commit8714a174353529061c8c8d088d7246c4bd81000d (patch)
tree800067371dc1e4e425980afb9b54cf56f034ffa8 /src/resources/openglimagehelper.cpp
parentdee02b54a28994e78bd7e738ac0b49df9f59d67f (diff)
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Change outline function to better quality but slower.
Also add function to create 32 bit surfaces.
Diffstat (limited to 'src/resources/openglimagehelper.cpp')
-rw-r--r--src/resources/openglimagehelper.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/resources/openglimagehelper.cpp b/src/resources/openglimagehelper.cpp
index 7e5c77c7f..badaf0223 100644
--- a/src/resources/openglimagehelper.cpp
+++ b/src/resources/openglimagehelper.cpp
@@ -318,4 +318,26 @@ void OpenGLImageHelper::initTextureSampler(GLint id)
mglSamplerParameteri(id, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
}
}
+
+SDL_Surface *OpenGLImageHelper::create32BitSurface(int width, int height)
+{
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const int rmask = 0xff000000;
+ const int gmask = 0x00ff0000;
+ const int bmask = 0x0000ff00;
+ const int amask = 0x000000ff;
+#else
+ const int rmask = 0x000000ff;
+ const int gmask = 0x0000ff00;
+ const int bmask = 0x00ff0000;
+ const int amask = 0xff000000;
+#endif
+
+ width = powerOfTwo(width);
+ height = powerOfTwo(height);
+
+ return SDL_CreateRGBSurface(SDL_SWSURFACE,
+ width, height, 32, rmask, gmask, bmask, amask);
+}
+
#endif