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Add content scale queries

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This adds glfwGetWindowContentScale and glfwGetMonitorContentScale for
querying the recommended drawing scale factor for DPI-aware rendering.

Parts of this patch are based on code by @ferreiradaselva.

Fixes #235.
Fixes #439.
Fixes #677.
Fixes #845.
Fixes #898.
This commit is contained in:
Camilla Löwy
2017-08-29 19:19:00 +02:00
parent 1be81a1540
commit 16bf872117
26 changed files with 387 additions and 28 deletions
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src/window.c
+15
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@@ -632,6 +632,21 @@ GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* handle,
_glfwPlatformGetWindowFrameSize(window, left, top, right, bottom);
}
GLFWAPI void glfwGetWindowContentScale(GLFWwindow* handle,
float* xscale, float* yscale)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
assert(window != NULL);
if (xscale)
*xscale = 0.f;
if (yscale)
*yscale = 0.f;
_GLFW_REQUIRE_INIT();
_glfwPlatformGetWindowContentScale(window, xscale, yscale);
}
GLFWAPI void glfwIconifyWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;