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体验新版 GitCode,发现更多精彩内容 >>
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a9e1f967
编写于
11月 24, 2014
作者:
S
Sean Barrett
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差异文件
rename 'stbrp_init_packer' to 'stbrp_init_target' since it must be called for every target;
clean up docs
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8d3ef72e
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1 changed file
with
31 addition
and
3 deletion
+31
-3
stb_rect_pack.h
stb_rect_pack.h
+31
-3
未找到文件。
stb_rect_pack.h
浏览文件 @
a9e1f967
...
...
@@ -20,6 +20,12 @@
// implement them to the same API, but with a different init
// function.
//////////////////////////////////////////////////////////////////////////////
//
// INCLUDE SECTION
//
#ifndef STB_INCLUDE_STB_RECT_PACK_H
#define STB_INCLUDE_STB_RECT_PACK_H
...
...
@@ -57,6 +63,13 @@ STBRP_DEF void stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int
// You should not try to access the 'rects' array from another thread
// while this function is running, as the function temporarily reorders
// the array while it executes.
//
// To pack into another rectangle, you need to call stbrp_init_target
// again. To continue packing into the same rectangle, you can call
// this function again. Calling this multiple times with multiple rect
// arrays will probably produce worse packing results than calling it
// a single time with the full rectangle array, but the option is
// available.
struct
stbrp_rect
{
...
...
@@ -73,11 +86,17 @@ struct stbrp_rect
};
// 16 bytes, nominally
STBRP_DEF
void
stbrp_init_
packer
(
stbrp_context
*
context
,
int
width
,
int
height
,
stbrp_node
*
nodes
,
int
num_nodes
);
STBRP_DEF
void
stbrp_init_
target
(
stbrp_context
*
context
,
int
width
,
int
height
,
stbrp_node
*
nodes
,
int
num_nodes
);
// Initialize a rectangle packer to:
// pack a rectangle that is 'width' by 'height' in dimensions
// using temporary storage provided by the array 'nodes', which is 'num_nodes' long
//
// You must call this function every time you start packing into a new target.
//
// There is no "shutdown" function. The 'nodes' memory must stay valid for
// the following stbrp_pack_rects() call (or calls), but can be freed after
// the call (or calls) finish.
//
// Note: to guarantee best results, either:
// 1. make sure 'num_nodes' >= 'width'
// or 2. call stbrp_allow_out_of_mem() defined below with 'allow_out_of_mem = 1'
...
...
@@ -91,11 +110,14 @@ STBRP_DEF void stbrp_init_packer (stbrp_context *context, int width, int height,
STBRP_DEF
void
stbrp_setup_allow_out_of_mem
(
stbrp_context
*
context
,
int
allow_out_of_mem
);
// Optionally call this function after init but before doing any packing to
// change the handling of the out-of-temp-memory scenario, described above.
// If you call init again, this will be reset.
STBRP_DEF
void
stbrp_setup_heuristic
(
stbrp_context
*
context
,
int
heuristic
);
// Optionally select which packing heuristic the library should use. Different
// heuristics will produce better/worse results for different data sets.
// If you call init again, this will be reset.
enum
{
STBRP_HEURISTIC_Skyline_default
=
0
,
...
...
@@ -104,8 +126,11 @@ enum
};
//////////////////////////////////////////////////////////////////////////////
//
// the details of the following structures don't matter to you, but they must
// be visible so you can handle the memory allocations for them
struct
stbrp_node
{
stbrp_coord
x
,
y
;
...
...
@@ -131,7 +156,10 @@ struct stbrp_context
#endif
//////////////////////////////////////////////////////////////////////////////
//
// IMPLEMENTATION SECTION
//
#ifdef STB_RECT_PACK_IMPLEMENTATION
#include <stdlib.h>
...
...
@@ -173,7 +201,7 @@ STBRP_DEF void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_ou
}
}
STBRP_DEF
void
stbrp_init_
packer
(
stbrp_context
*
context
,
int
width
,
int
height
,
stbrp_node
*
nodes
,
int
num_nodes
)
STBRP_DEF
void
stbrp_init_
target
(
stbrp_context
*
context
,
int
width
,
int
height
,
stbrp_node
*
nodes
,
int
num_nodes
)
{
int
i
;
#ifndef STBRP_LARGE_RECTS
...
...
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