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Document image data being non-premultiplied

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Fixes #426.
This commit is contained in:
Camilla Berglund 2015-08-17 21:04:19 +02:00
parent 352a4f2757
commit 85a01bfd9b
2 changed files with 6 additions and 5 deletions
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5
docs/input.dox
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@ -296,8 +296,9 @@ GLFWcursor* cursor = glfwCreateCursor(&image, 0, 0);
If cursor creation fails, `NULL` will be returned, so it is necessary to check If cursor creation fails, `NULL` will be returned, so it is necessary to check
the return value. the return value.
The image data is 32-bit RGBA, i.e. eight bits per channel. The pixels are The image data is 32-bit, little-endian, non-premultiplied RGBA, i.e. eight bits
arranged canonically as sequential rows, starting from the top-left corner. per channel. The pixels are arranged canonically as sequential rows, starting
from the top-left corner.
@subsubsection cursor_standard Standard cursor creation @subsubsection cursor_standard Standard cursor creation

6
include/GLFW/glfw3.h
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@ -2601,9 +2601,9 @@ GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos);
* glfwSetCursor. The cursor can be destroyed with @ref glfwDestroyCursor. * glfwSetCursor. The cursor can be destroyed with @ref glfwDestroyCursor.
* Any remaining cursors are destroyed by @ref glfwTerminate. * Any remaining cursors are destroyed by @ref glfwTerminate.
* *
* The pixels are 32-bit little-endian RGBA, i.e. eight bits per channel. They * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight
* are arranged canonically as packed sequential rows, starting from the * bits per channel. They are arranged canonically as packed sequential rows,
* top-left corner. * starting from the top-left corner.
* *
* The cursor hotspot is specified in pixels, relative to the upper-left corner * The cursor hotspot is specified in pixels, relative to the upper-left corner
* of the cursor image. Like all other coordinate systems in GLFW, the X-axis * of the cursor image. Like all other coordinate systems in GLFW, the X-axis