Paeth predicter, used by PNG filter type 4 The parameters are of type short, but should come from unsigned chars, the shorts are only needed to make t

free a parameter list, without disturbing errno. */

free a Potrace state, without disturbing errno. */

out must be buffer big enough to contain uncompressed IDAT chunk data, and in must contain the full image. return value is error**/

free the members of the given curve structure. Leave errno unchanged. */

initialize the members of the given curve structure to size m. * Return 0 on success, 1 on error with errno set. */

start a subrange of the given progress object. The range is * narrowed to [a..b], relative to 0.0-1.0 coordinates. If new range * is below granula

* Function saveLayers() * Saves layers used by the item. * * @param aLayers is an array containing layer numbers to be saved. * @p

search the index in the array, that has the largest value smaller than or equal to the given value, given array must be sorted (if no value is smaller

* Function SetOffset() * Sets data offset in the container. * @param aOffset is the offset expressed as a number of vertices. */

returns 1 if success, 0 if failure ==> nothing done*/

calculate the point t in [0..1] on the (convex) bezier curve * (p0,p1,p2,p3) which is tangent to q1-q0. Return -1.0 if there is no * solution in [

returns 1 if success, 0 if failure ==> nothing done*/

wpos = pos & (windowsize - 1)*/

write the lz77-encoded data, which has lit, len and dist codes, to compressed stream using huffman trees. tree_ll: the tree for lit and len codes. tre

xor the given pixmap with the interior of the given path. Note: the * path must be within the dimensions of the pixmap. */

> Returns more specific information about the type of an event.

in: Adam7 interlaced image, with no padding bits between scanlines, but between reduced images so that each reduced image starts at a byte. out: the

in: non-interlaced image with size w*h out: the same pixels, but re-ordered according to PNG's Adam7 interlacing, with no padding bits between scanli

add the zoom list menu the the MasterMenu. * used in OnRightClick(wxMouseEvent& event) */

* @brief Changes the current depth to deeper, so it is possible to draw objects right beneath * other. */

render a Bezier curve. */

Build the list of human readable grid list. * The list shows the grid size both in mils or mm. * aMmFirst = true to have mm first and mils after *

> Returns the category (eg. mouse/keyboard/action) of an event..

* Function ClearActiveLayers * Clears the list of active layers. */

* Function Clone() * * Returns a dynamically allocated copy of the shape * @retval copy of the shape */

* Closes the current contour, by storing the index of the last corner * of the current polygon in m_polyIndexEnd. */

* Function Collinear() * * Checks if segment aSeg lies on the same line as (this). * @param aSeg the segment to chech colinearity with

Checked cast. Use only when necessary (usually I/O)

* Function Command * returns the MAIL_T associated with this mail. */

delete corner and adjust arrays

* Function Dest * returns the destination player id of the message. */

copy the current page or block to the clipboard , * to export drawings to other applications (word processing ...) * This is not suitable for copy c

Function FindSegmentIntersections * find intersections between line segment (xi,yi) to (xf,yf) * and line segment (xi2,yi2) to (xf2,yf2) * returns