139 lines
4.9 KiB
Plaintext
139 lines
4.9 KiB
Plaintext
//
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// This file was auto-generated using the following command:
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//
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// jai generate.jai - -compile
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//
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STB_RECT_PACK_VERSION :: 1;
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STBRP__MAXVAL :: 0x7fffffff;
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stbrp_coord :: s32;
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// Mostly for internal use, but this is the maximum supported coordinate value.
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stbrp_pack_rects :: (_context: *stbrp_context, rects: *stbrp_rect, num_rects: s32) -> s32 #foreign stb_rect_pack;
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// Assign packed locations to rectangles. The rectangles are of type
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// 'stbrp_rect' defined below, stored in the array 'rects', and there
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// are 'num_rects' many of them.
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//
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// Rectangles which are successfully packed have the 'was_packed' flag
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// set to a non-zero value and 'x' and 'y' store the minimum location
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// on each axis (i.e. bottom-left in cartesian coordinates, top-left
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// if you imagine y increasing downwards). Rectangles which do not fit
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// have the 'was_packed' flag set to 0.
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//
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// You should not try to access the 'rects' array from another thread
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// while this function is running, as the function temporarily reorders
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// the array while it executes.
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//
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// To pack into another rectangle, you need to call stbrp_init_target
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// again. To continue packing into the same rectangle, you can call
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// this function again. Calling this multiple times with multiple rect
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// arrays will probably produce worse packing results than calling it
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// a single time with the full rectangle array, but the option is
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// available.
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//
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// The function returns 1 if all of the rectangles were successfully
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// packed and 0 otherwise.
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stbrp_rect :: struct {
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// reserved for your use:
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id: s32;
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// input:
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w: stbrp_coord;
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// input:
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h: stbrp_coord;
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// output:
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x: stbrp_coord;
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// output:
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y: stbrp_coord;
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was_packed: s32; // non-zero if valid packing
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}
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stbrp_init_target :: (_context: *stbrp_context, width: s32, height: s32, nodes: *stbrp_node, num_nodes: s32) -> void #foreign stb_rect_pack;
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// Initialize a rectangle packer to:
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// pack a rectangle that is 'width' by 'height' in dimensions
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// using temporary storage provided by the array 'nodes', which is 'num_nodes' long
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//
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// You must call this function every time you start packing into a new target.
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//
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// There is no "shutdown" function. The 'nodes' memory must stay valid for
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// the following stbrp_pack_rects() call (or calls), but can be freed after
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// the call (or calls) finish.
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//
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// Note: to guarantee best results, either:
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// 1. make sure 'num_nodes' >= 'width'
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// or 2. call stbrp_allow_out_of_mem() defined below with 'allow_out_of_mem = 1'
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//
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// If you don't do either of the above things, widths will be quantized to multiples
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// of small integers to guarantee the algorithm doesn't run out of temporary storage.
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//
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// If you do #2, then the non-quantized algorithm will be used, but the algorithm
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// may run out of temporary storage and be unable to pack some rectangles.
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stbrp_setup_allow_out_of_mem :: (_context: *stbrp_context, allow_out_of_mem: s32) -> void #foreign stb_rect_pack;
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// Optionally call this function after init but before doing any packing to
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// change the handling of the out-of-temp-memory scenario, described above.
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// If you call init again, this will be reset to the default (false).
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stbrp_setup_heuristic :: (_context: *stbrp_context, heuristic: s32) -> void #foreign stb_rect_pack;
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// Optionally select which packing heuristic the library should use. Different
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// heuristics will produce better/worse results for different data sets.
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// If you call init again, this will be reset to the default.
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STBRP_HEURISTIC_Skyline :: enum s32 {
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default :: 0;
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BL_sortHeight :: 0;
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BF_sortHeight :: 1;
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STBRP_HEURISTIC_Skyline_default :: default;
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STBRP_HEURISTIC_Skyline_BL_sortHeight :: BL_sortHeight;
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STBRP_HEURISTIC_Skyline_BF_sortHeight :: BF_sortHeight;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// the details of the following structures don't matter to you, but they must
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// be visible so you can handle the memory allocations for them
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stbrp_node :: struct {
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x: stbrp_coord;
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y: stbrp_coord;
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next: *stbrp_node;
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}
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stbrp_context :: struct {
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width: s32;
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height: s32;
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align: s32;
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init_mode: s32;
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heuristic: s32;
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num_nodes: s32;
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active_head: *stbrp_node;
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free_head: *stbrp_node;
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extra: [2] stbrp_node; // we allocate two extra nodes so optimal user-node-count is 'width' not 'width+2'
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}
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#scope_file
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#if OS == .WINDOWS {
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stb_rect_pack :: #library,no_dll "windows/stb_rect_pack";
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} else #if OS == .LINUX {
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stb_rect_pack :: #library "linux/stb_rect_pack";
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} else #if OS == .MACOS {
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stb_rect_pack :: #library "macos/stb_rect_pack";
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} else #if OS == .ANDROID {
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#if CPU == .X64 {
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stb_rect_pack :: #library "android/x64/stb_rect_pack";
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} else #if CPU == .ARM64 {
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stb_rect_pack :: #library "android/arm64/stb_rect_pack";
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}
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} else {
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#assert false;
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}
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