mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-14 12:04:29 +00:00
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2020 - 2025 the ThorVG project. All rights reserved.
|
|
|
|
* 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 _TVG_LOAD_MODULE_H_
|
|
#define _TVG_LOAD_MODULE_H_
|
|
|
|
#include "tvgRender.h"
|
|
#include "tvgInlist.h"
|
|
|
|
|
|
struct LoadModule
|
|
{
|
|
INLIST_ITEM(LoadModule);
|
|
|
|
//Use either hashkey(data) or hashpath(path)
|
|
union {
|
|
uintptr_t hashkey;
|
|
char* hashpath = nullptr;
|
|
};
|
|
|
|
FileType type; //current loader file type
|
|
uint16_t sharing = 0; //reference count
|
|
bool readied = false; //read done already.
|
|
bool pathcache = false; //cached by path
|
|
|
|
LoadModule(FileType type) : type(type) {}
|
|
virtual ~LoadModule()
|
|
{
|
|
if (pathcache) free(hashpath);
|
|
}
|
|
|
|
virtual bool open(const char* path) { return false; }
|
|
virtual bool open(const char* data, uint32_t size, const char* rpath, bool copy) { return false; }
|
|
virtual bool resize(Paint* paint, float w, float h) { return false; }
|
|
virtual void sync() {}; //finish immediately if any async update jobs.
|
|
|
|
virtual bool read()
|
|
{
|
|
if (readied) return false;
|
|
readied = true;
|
|
return true;
|
|
}
|
|
|
|
bool cached()
|
|
{
|
|
if (hashkey) return true;
|
|
return false;
|
|
}
|
|
|
|
virtual bool close()
|
|
{
|
|
if (sharing == 0) return true;
|
|
--sharing;
|
|
return false;
|
|
}
|
|
};
|
|
|
|
|
|
struct ImageLoader : LoadModule
|
|
{
|
|
static ColorSpace cs; //desired value
|
|
|
|
float w = 0, h = 0; //default image size
|
|
RenderSurface surface;
|
|
|
|
ImageLoader(FileType type) : LoadModule(type) {}
|
|
|
|
virtual bool animatable() { return false; } //true if this loader supports animation.
|
|
virtual Paint* paint() { return nullptr; }
|
|
|
|
virtual RenderSurface* bitmap()
|
|
{
|
|
if (surface.data) return &surface;
|
|
return nullptr;
|
|
}
|
|
};
|
|
|
|
|
|
struct FontLoader : LoadModule
|
|
{
|
|
float scale = 1.0f;
|
|
|
|
FontLoader(FileType type) : LoadModule(type) {}
|
|
|
|
virtual bool request(Shape* shape, char* text) = 0;
|
|
virtual bool transform(Paint* paint, float fontSize, bool italic) = 0;
|
|
};
|
|
|
|
#endif //_TVG_LOAD_MODULE_H_
|