summaryrefslogtreecommitdiff
path: root/external/SDL2/include/SDL_blendmode.h
diff options
context:
space:
mode:
Diffstat (limited to 'external/SDL2/include/SDL_blendmode.h')
-rw-r--r--external/SDL2/include/SDL_blendmode.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/external/SDL2/include/SDL_blendmode.h b/external/SDL2/include/SDL_blendmode.h
new file mode 100644
index 0000000..56d8ad6
--- /dev/null
+++ b/external/SDL2/include/SDL_blendmode.h
@@ -0,0 +1,63 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ * \file SDL_blendmode.h
+ *
+ * Header file declaring the SDL_BlendMode enumeration
+ */
+
+#ifndef _SDL_blendmode_h
+#define _SDL_blendmode_h
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief The blend mode used in SDL_RenderCopy() and drawing operations.
+ */
+typedef enum
+{
+ SDL_BLENDMODE_NONE = 0x00000000, /**< no blending
+ dstRGBA = srcRGBA */
+ SDL_BLENDMODE_BLEND = 0x00000001, /**< alpha blending
+ dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA))
+ dstA = srcA + (dstA * (1-srcA)) */
+ SDL_BLENDMODE_ADD = 0x00000002, /**< additive blending
+ dstRGB = (srcRGB * srcA) + dstRGB
+ dstA = dstA */
+ SDL_BLENDMODE_MOD = 0x00000004 /**< color modulate
+ dstRGB = srcRGB * dstRGB
+ dstA = dstA */
+} SDL_BlendMode;
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_blendmode_h */
+
+/* vi: set ts=4 sw=4 expandtab: */