checks if the colortype is valid and the bitdepth bd is allowed for this colortype. Return value is a LodePNG error code.*/

* Close directory stream. */

color is not allowed to already exist. Index should be >= 0 (it's signed to be compatible with using -1 for "doesn't exist")*/

Convert multi-byte string to wide character string */

Convert wide-character string to multi-byte string */

checks that both png suite images have the exact same pixel content, e.g. to check that it decodes an interlaced and non-interlaced corresponding png

* @return Axis aligned bounding box which wraps the complete scene. */

* @return Destination point. */

* @brief */

Get RGBA8 color of pixel with index i (y * width + x) from the raw image with given color type.*/

* @brief Returns a vertex index. */

* @return Coefficients of a plane equation in intercept form. */

Inverts 3x3 matrix in place */

* @return */

Load the file if not already loaded

Load header info (plus a few more nearby light chunks) if not already loaded, and the file if needed

Load the pixels if not already loaded, and the file if needed

Safely check if adding two integers will overflow (no undefined behavior, compiler removing the code, etc...) and output result. */

buffer must have at least 4 allocated bytes available*/

matrix dimension

@brief Send keyboard callback when a key has been pressed or released **/

second diag (used in LU decomposition), saved in m_lower

move cursor to last character of selection

you can both convert from vector to buffer&size and vica versa. If you use init_buffer to take over a buffer and size, it is not needed to use cleanup

We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.

TODO: Thickness anti-aliased lines cap are missing their AA fringe. We avoid using the ImVec2 math operators here to reduce cost to a minimum for debu

Layer is locked for the root window, however child windows may use a different viewport (e.g. extruding menu)

OBSOLETED in 1.77 (from June 2020)

Helper to snap on edges when aiming at an item very close to the edge, So the difference between WindowPadding and ItemSpacing will be in the visible

Calculates the size of vertical text

If you get an error please report on github. You may try different GL context version or GLSL version. See GL<>GLSL version table at the top of this f