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Add glfwGetWindowOpacity and glfwSetWindowOpacity

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This adds support for setting the opacity of the whole window, including
any decorations.

Fixes #1089.
This commit is contained in:
Camilla Löwy
2017-09-25 23:14:45 +02:00
parent aef4edadd0
commit 11e47f08b1
16 changed files with 354 additions and 12 deletions
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docs/news.dox
+8 -3
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@@ -94,12 +94,17 @@ be disabled with the @ref GLFW_JOYSTICK_HAT_BUTTONS init hint.
@see @ref joystick_hat
@subsection news_33_transparent Support for transparent window framebuffer
@subsection news_33_transparent Support for transparent windows and framebuffers
GLFW now supports the creation of windows with transparent framebuffers on
systems with desktop compositing enabled with the @ref
GLFW_TRANSPARENT_FRAMEBUFFER window hint and attribute. Any window decorations
will still be opaque.
GLFW_TRANSPARENT_FRAMEBUFFER window hint and attribute. This hint must be set
before window creation and leaves any window decorations opaque.
GLFW now also supports whole window transparency with @ref glfwGetWindowOpacity
and @ref glfwSetWindowOpacity. This value controls the opacity of the whole
window including decorations and unlike framebuffer transparency can be changed
at any time after window creation.
@subsection news_33_centercursor Cursor centering window hint