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/*
* Copyright (c) 2020 - 2022 Samsung Electronics Co., Ltd. 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.
*/
#include <fstream>
#include <string.h>
#include "tvgLoader.h"
#include "tvgRawLoader.h"
/************************************************************************/
/* Internal Class Implementation */
/************************************************************************/
static inline uint32_t CHANGE_COLORSPACE(uint32_t c)
{
return (c & 0xff000000) + ((c & 0x00ff0000)>>16) + (c & 0x0000ff00) + ((c & 0x000000ff)<<16);
}
static void _changeColorSpace(uint32_t* data, uint32_t w, uint32_t h)
{
auto buffer = data;
for (uint32_t y = 0; y < h; ++y, buffer += w) {
auto src = buffer;
for (uint32_t x = 0; x < w; ++x, ++src) {
*src = CHANGE_COLORSPACE(*src);
}
}
}
/************************************************************************/
/* External Class Implementation */
/************************************************************************/
RawLoader::~RawLoader()
{
if (copy && content) {
free((void*)content);
content = nullptr;
}
}
bool RawLoader::open(const uint32_t* data, uint32_t w, uint32_t h, bool copy)
{
if (!data || w == 0 || h == 0) return false;
this->w = (float)w;
this->h = (float)h;
this->copy = copy;
if (copy) {
content = (uint32_t*)malloc(sizeof(uint32_t) * w * h);
if (!content) return false;
memcpy((void*)content, data, sizeof(uint32_t) * w * h);
}
else content = const_cast<uint32_t*>(data);
return true;
}
bool RawLoader::read()
{
return true;
}
bool RawLoader::close()
{
return true;
}
unique_ptr<Surface> RawLoader::bitmap(uint32_t colorSpace)
{
if (!content) return nullptr;
if (this->colorSpace != colorSpace) {
this->colorSpace = colorSpace;
_changeColorSpace(content, w, h);
}
auto surface = static_cast<Surface*>(malloc(sizeof(Surface)));
surface->buffer = content;
surface->stride = static_cast<uint32_t>(w);
surface->w = static_cast<uint32_t>(w);
surface->h = static_cast<uint32_t>(h);
surface->cs = colorSpace;
return unique_ptr<Surface>(surface);
}
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