Add glfwGetWindowOpacity and glfwSetWindowOpacity

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
+28
View File
@@ -648,6 +648,34 @@ GLFWAPI void glfwGetWindowContentScale(GLFWwindow* handle,
_glfwPlatformGetWindowContentScale(window, xscale, yscale);
}
GLFWAPI float glfwGetWindowOpacity(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(1.f);
return _glfwPlatformGetWindowOpacity(window);
}
GLFWAPI void glfwSetWindowOpacity(GLFWwindow* handle, float opacity)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
assert(opacity == opacity);
assert(opacity >= 0.f);
assert(opacity <= 1.f);
_GLFW_REQUIRE_INIT();
if (opacity != opacity || opacity < 0.f || opacity > 1.f)
{
_glfwInputError(GLFW_INVALID_VALUE, "Invalid window opacity %f", opacity);
return;
}
_glfwPlatformSetWindowOpacity(window, opacity);
}
GLFWAPI void glfwIconifyWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;