Atlas.h
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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated May 1, 2019. Replaces all prior versions.
*
* Copyright (c) 2013-2019, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software
* or otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
* INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef Spine_Atlas_h
#define Spine_Atlas_h
#include <spine/Vector.h>
#include <spine/Extension.h>
#include <spine/SpineObject.h>
#include <spine/SpineString.h>
#include <spine/HasRendererObject.h>
namespace spine {
enum Format {
Format_Alpha,
Format_Intensity,
Format_LuminanceAlpha,
Format_RGB565,
Format_RGBA4444,
Format_RGB888,
Format_RGBA8888
};
enum TextureFilter {
TextureFilter_Unknown,
TextureFilter_Nearest,
TextureFilter_Linear,
TextureFilter_MipMap,
TextureFilter_MipMapNearestNearest,
TextureFilter_MipMapLinearNearest,
TextureFilter_MipMapNearestLinear,
TextureFilter_MipMapLinearLinear
};
enum TextureWrap {
TextureWrap_MirroredRepeat,
TextureWrap_ClampToEdge,
TextureWrap_Repeat
};
class SP_API AtlasPage : public SpineObject, public HasRendererObject {
public:
String name;
String texturePath;
Format format;
TextureFilter minFilter;
TextureFilter magFilter;
TextureWrap uWrap;
TextureWrap vWrap;
int width, height;
explicit AtlasPage(const String &inName) : name(inName), format(Format_RGBA8888), minFilter(TextureFilter_Nearest),
magFilter(TextureFilter_Nearest), uWrap(TextureWrap_ClampToEdge),
vWrap(TextureWrap_ClampToEdge), width(0), height(0) {
}
};
class SP_API AtlasRegion : public SpineObject {
public:
AtlasPage *page;
String name;
int x, y, width, height;
float u, v, u2, v2;
float offsetX, offsetY;
int originalWidth, originalHeight;
int index;
bool rotate;
int degrees;
Vector<int> splits;
Vector<int> pads;
};
class TextureLoader;
class SP_API Atlas : public SpineObject {
public:
Atlas(const String &path, TextureLoader *textureLoader, bool createTexture = true);
Atlas(const char *data, int length, const char *dir, TextureLoader *textureLoader, bool createTexture = true);
~Atlas();
void flipV();
/// Returns the first region found with the specified name. This method uses String comparison to find the region, so the result
/// should be cached rather than calling this method multiple times.
/// @return The region, or NULL.
AtlasRegion *findRegion(const String &name);
Vector<AtlasPage*> &getPages();
private:
Vector<AtlasPage *> _pages;
Vector<AtlasRegion *> _regions;
TextureLoader *_textureLoader;
void load(const char *begin, int length, const char *dir, bool createTexture);
class Str {
public:
const char *begin;
const char *end;
};
static void trim(Str *str);
/// Tokenize string without modification. Returns 0 on failure
static int readLine(const char **begin, const char *end, Str *str);
/// Moves str->begin past the first occurence of c. Returns 0 on failure
static int beginPast(Str *str, char c);
/// Returns 0 on failure
static int readValue(const char **begin, const char *end, Str *str);
/// Returns the number of tuple values read (1, 2, 4, or 0 for failure)
static int readTuple(const char **begin, const char *end, Str tuple[]);
static char *mallocString(Str *str);
static int indexOf(const char **array, int count, Str *str);
static int equals(Str *str, const char *other);
static int toInt(Str *str);
static Atlas *abortAtlas(Atlas *atlas);
};
}
#endif /* Spine_Atlas_h */