22d83bc9f6
-Most 2D drawing is implemented -Missing shaders -Missing all 3D -Editor needs to be set on update always to be used, otherwise it does not refresh -Large parts of editor not working
290 lines
8.9 KiB
C++
290 lines
8.9 KiB
C++
/*************************************************************************/
|
|
/* image.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#ifndef IMAGE_H
|
|
#define IMAGE_H
|
|
|
|
#include "dvector.h"
|
|
#include "color.h"
|
|
#include "math_2d.h"
|
|
/**
|
|
* @author Juan Linietsky <reduzio@gmail.com>
|
|
*
|
|
* Image storage class. This is used to store an image in user memory, as well as
|
|
* providing some basic methods for image manipulation.
|
|
* Images can be loaded from a file, or registered into the Render object as textures.
|
|
*/
|
|
|
|
class Image;
|
|
|
|
typedef Error (*SavePNGFunc)(const String &p_path, Image& p_img);
|
|
|
|
class Image {
|
|
|
|
enum {
|
|
MAX_WIDTH=16384, // force a limit somehow
|
|
MAX_HEIGHT=16384// force a limit somehow
|
|
};
|
|
public:
|
|
|
|
static SavePNGFunc save_png_func;
|
|
|
|
enum Format {
|
|
|
|
FORMAT_L8, //luminance
|
|
FORMAT_LA8, //luminance-alpha
|
|
FORMAT_R8,
|
|
FORMAT_RG8,
|
|
FORMAT_RGB8,
|
|
FORMAT_RGBA8,
|
|
FORMAT_RGB565, //16 bit
|
|
FORMAT_RGBA4444,
|
|
FORMAT_RGBA5551,
|
|
FORMAT_RF, //float
|
|
FORMAT_RGF,
|
|
FORMAT_RGBF,
|
|
FORMAT_RGBAF,
|
|
FORMAT_RH, //half float
|
|
FORMAT_RGH,
|
|
FORMAT_RGBH,
|
|
FORMAT_RGBAH,
|
|
FORMAT_DXT1, //s3tc bc1
|
|
FORMAT_DXT3, //bc2
|
|
FORMAT_DXT5, //bc3
|
|
FORMAT_ATI1, //bc4
|
|
FORMAT_ATI2, //bc5
|
|
FORMAT_BPTC_RGBA, //btpc bc6h
|
|
FORMAT_BPTC_RGBF, //float /
|
|
FORMAT_BPTC_RGBFU, //unsigned float
|
|
FORMAT_PVRTC2, //pvrtc
|
|
FORMAT_PVRTC2A,
|
|
FORMAT_PVRTC4,
|
|
FORMAT_PVRTC4A,
|
|
FORMAT_ETC, //etc1
|
|
FORMAT_ETC2_R11, //etc2
|
|
FORMAT_ETC2_R11S, //signed, NOT srgb.
|
|
FORMAT_ETC2_RG11,
|
|
FORMAT_ETC2_RG11S,
|
|
FORMAT_ETC2_RGB8,
|
|
FORMAT_ETC2_RGBA8,
|
|
FORMAT_ETC2_RGB8A1,
|
|
FORMAT_MAX
|
|
};
|
|
|
|
static const char* format_names[FORMAT_MAX];
|
|
enum Interpolation {
|
|
|
|
INTERPOLATE_NEAREST,
|
|
INTERPOLATE_BILINEAR,
|
|
INTERPOLATE_CUBIC,
|
|
/* INTERPOLATE GAUSS */
|
|
};
|
|
|
|
//some functions provided by something else
|
|
|
|
static Image (*_png_mem_loader_func)(const uint8_t* p_png,int p_size);
|
|
static Image (*_jpg_mem_loader_func)(const uint8_t* p_png,int p_size);
|
|
|
|
static void (*_image_compress_bc_func)(Image *);
|
|
static void (*_image_compress_pvrtc2_func)(Image *);
|
|
static void (*_image_compress_pvrtc4_func)(Image *);
|
|
static void (*_image_compress_etc_func)(Image *);
|
|
static void (*_image_compress_etc2_func)(Image *);
|
|
|
|
static void (*_image_decompress_pvrtc)(Image *);
|
|
static void (*_image_decompress_bc)(Image *);
|
|
static void (*_image_decompress_etc)(Image *);
|
|
static void (*_image_decompress_etc2)(Image *);
|
|
|
|
Error _decompress_bc();
|
|
|
|
static DVector<uint8_t> (*lossy_packer)(const Image& p_image,float p_quality);
|
|
static Image (*lossy_unpacker)(const DVector<uint8_t>& p_buffer);
|
|
static DVector<uint8_t> (*lossless_packer)(const Image& p_image);
|
|
static Image (*lossless_unpacker)(const DVector<uint8_t>& p_buffer);
|
|
private:
|
|
|
|
Format format;
|
|
DVector<uint8_t> data;
|
|
int width,height;
|
|
bool mipmaps;
|
|
|
|
_FORCE_INLINE_ void _get_mipmap_offset_and_size(int p_mipmap,int &r_offset, int &r_width, int &r_height) const; //get where the mipmap begins in data
|
|
|
|
static int _get_dst_image_size(int p_width, int p_height, Format p_format,int &r_mipmaps,int p_mipmaps=-1);
|
|
bool _can_modify(Format p_format) const;
|
|
|
|
|
|
_FORCE_INLINE_ void _put_pixelb(int p_x,int p_y, uint32_t p_pixelsize,uint8_t *p_dst,const uint8_t *p_src);
|
|
_FORCE_INLINE_ void _get_pixelb(int p_x,int p_y, uint32_t p_pixelsize,const uint8_t *p_src,uint8_t *p_dst);
|
|
|
|
public:
|
|
|
|
|
|
|
|
int get_width() const; ///< Get image width
|
|
int get_height() const; ///< Get image height
|
|
bool has_mipmaps() const;
|
|
int get_mipmap_count() const;
|
|
|
|
/**
|
|
* Convert the image to another format, conversion only to raw byte format
|
|
*/
|
|
void convert( Format p_new_format );
|
|
|
|
Image converted(int p_new_format) {
|
|
ERR_FAIL_INDEX_V(p_new_format, FORMAT_MAX, Image());
|
|
|
|
Image ret = *this;
|
|
ret.convert((Format)p_new_format);
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* Get the current image format.
|
|
*/
|
|
Format get_format() const;
|
|
|
|
int get_mipmap_offset(int p_mipmap) const; //get where the mipmap begins in data
|
|
void get_mipmap_offset_and_size(int p_mipmap,int &r_ofs, int &r_size) const; //get where the mipmap begins in data
|
|
void get_mipmap_offset_size_and_dimensions(int p_mipmap,int &r_ofs, int &r_size,int &w, int& h) const; //get where the mipmap begins in data
|
|
|
|
/**
|
|
* Resize the image, using the prefered interpolation method.
|
|
* Indexed-Color images always use INTERPOLATE_NEAREST.
|
|
*/
|
|
|
|
void resize_to_po2(bool p_square=false);
|
|
void resize( int p_width, int p_height, Interpolation p_interpolation=INTERPOLATE_BILINEAR );
|
|
Image resized( int p_width, int p_height, int p_interpolation=INTERPOLATE_BILINEAR );
|
|
void shrink_x2();
|
|
void expand_x2_hq2x();
|
|
/**
|
|
* Crop the image to a specific size, if larger, then the image is filled by black
|
|
*/
|
|
void crop( int p_width, int p_height );
|
|
|
|
|
|
void flip_x();
|
|
void flip_y();
|
|
|
|
/**
|
|
* Generate a mipmap to an image (creates an image 1/4 the size, with averaging of 4->1)
|
|
*/
|
|
Error generate_mipmaps(bool p_keep_existing=false);
|
|
|
|
void clear_mipmaps();
|
|
|
|
|
|
|
|
/**
|
|
* Create a new image of a given size and format. Current image will be lost
|
|
*/
|
|
void create(int p_width, int p_height, bool p_use_mipmaps, Format p_format);
|
|
void create(int p_width, int p_height, bool p_use_mipmaps, Format p_format, const DVector<uint8_t>& p_data);
|
|
|
|
void create( const char ** p_xpm );
|
|
/**
|
|
* returns true when the image is empty (0,0) in size
|
|
*/
|
|
bool empty() const;
|
|
|
|
DVector<uint8_t> get_data() const;
|
|
|
|
Error load(const String& p_path);
|
|
Error save_png(const String& p_path);
|
|
|
|
/**
|
|
* create an empty image
|
|
*/
|
|
Image();
|
|
/**
|
|
* create an empty image of a specific size and format
|
|
*/
|
|
Image(int p_width, int p_height, bool p_use_mipmaps, Format p_format);
|
|
/**
|
|
* import an image of a specific size and format from a pointer
|
|
*/
|
|
Image(int p_width, int p_height, bool p_mipmaps, Format p_format, const DVector<uint8_t>& p_data);
|
|
|
|
enum AlphaMode {
|
|
ALPHA_NONE,
|
|
ALPHA_BIT,
|
|
ALPHA_BLEND
|
|
};
|
|
|
|
AlphaMode detect_alpha() const;
|
|
bool is_invisible() const;
|
|
|
|
|
|
static int get_format_pixel_size(Format p_format);
|
|
static int get_format_pixel_rshift(Format p_format);
|
|
static void get_format_min_pixel_size(Format p_format,int &r_w, int &r_h);
|
|
|
|
static int get_image_data_size(int p_width, int p_height, Format p_format,int p_mipmaps=0);
|
|
static int get_image_required_mipmaps(int p_width, int p_height, Format p_format);
|
|
|
|
|
|
bool operator==(const Image& p_image) const;
|
|
|
|
enum CompressMode {
|
|
COMPRESS_16BIT,
|
|
COMPRESS_S3TC,
|
|
COMPRESS_PVRTC2,
|
|
COMPRESS_PVRTC4,
|
|
COMPRESS_ETC,
|
|
COMPRESS_ETC2
|
|
};
|
|
|
|
Error compress(CompressMode p_mode=COMPRESS_S3TC);
|
|
Image compressed(int p_mode); /* from the Image::CompressMode enum */
|
|
Error decompress();
|
|
Image decompressed() const;
|
|
bool is_compressed() const;
|
|
|
|
void fix_alpha_edges();
|
|
void premultiply_alpha();
|
|
void srgb_to_linear();
|
|
void normalmap_to_xy();
|
|
|
|
void blit_rect(const Image& p_src, const Rect2& p_src_rect,const Point2& p_dest);
|
|
|
|
Rect2 get_used_rect() const;
|
|
Image get_rect(const Rect2& p_area) const;
|
|
|
|
static void set_compress_bc_func(void (*p_compress_func)(Image *));
|
|
static String get_format_name(Format p_format);
|
|
|
|
Image(const uint8_t* p_mem_png_jpg, int p_len=-1);
|
|
Image(const char **p_xpm);
|
|
~Image();
|
|
|
|
};
|
|
|
|
|
|
#endif
|