397 lines
8.0 KiB
C++
397 lines
8.0 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
|
||
//
|
||
// 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 "Image.h"
|
||
#include "render.h"
|
||
#include "../utils/File.h"
|
||
|
||
namespace easy2d
|
||
{
|
||
namespace
|
||
{
|
||
std::map<size_t, ID2D1Bitmap*> bitmap_cache_;
|
||
}
|
||
|
||
Image::Image()
|
||
: bitmap_(nullptr)
|
||
, crop_rect_()
|
||
{
|
||
}
|
||
|
||
Image::Image(Resource& res)
|
||
: bitmap_(nullptr)
|
||
, crop_rect_()
|
||
{
|
||
this->Load(res);
|
||
}
|
||
|
||
Image::Image(Resource& res, const Rect& crop_rect)
|
||
: bitmap_(nullptr)
|
||
, crop_rect_()
|
||
{
|
||
this->Load(res);
|
||
this->Crop(crop_rect);
|
||
}
|
||
|
||
Image::Image(const String & file_name)
|
||
: bitmap_(nullptr)
|
||
, crop_rect_()
|
||
{
|
||
this->Load(file_name);
|
||
}
|
||
|
||
Image::Image(const String & file_name, const Rect & crop_rect)
|
||
: bitmap_(nullptr)
|
||
, crop_rect_()
|
||
{
|
||
this->Load(file_name);
|
||
this->Crop(crop_rect);
|
||
}
|
||
|
||
Image::~Image()
|
||
{
|
||
SafeRelease(bitmap_);
|
||
}
|
||
|
||
bool Image::Load(Resource& res)
|
||
{
|
||
if (!Image::CacheBitmap(res))
|
||
{
|
||
E2D_WARNING("Load Image from file failed!");
|
||
return false;
|
||
}
|
||
|
||
this->SetBitmap(bitmap_cache_.at(res.GetHashCode()));
|
||
return true;
|
||
}
|
||
|
||
bool Image::Load(const String & file_name)
|
||
{
|
||
E2D_WARNING_IF(file_name.empty(), "Image Load failed! Invalid file name.");
|
||
|
||
if (file_name.empty())
|
||
return false;
|
||
|
||
if (!Image::CacheBitmap(file_name))
|
||
{
|
||
E2D_WARNING("Load Image from file failed!");
|
||
return false;
|
||
}
|
||
|
||
this->SetBitmap(bitmap_cache_.at(std::hash<String>{}(file_name)));
|
||
return true;
|
||
}
|
||
|
||
void Image::Crop(const Rect& crop_rect)
|
||
{
|
||
if (bitmap_)
|
||
{
|
||
auto bitmap_size = bitmap_->GetSize();
|
||
crop_rect_.origin.x = std::min(std::max(crop_rect.origin.x, 0.f), bitmap_size.width);
|
||
crop_rect_.origin.y = std::min(std::max(crop_rect.origin.y, 0.f), bitmap_size.height);
|
||
crop_rect_.size.width = std::min(std::max(crop_rect.size.width, 0.f), bitmap_size.width - crop_rect.origin.x);
|
||
crop_rect_.size.height = std::min(std::max(crop_rect.size.height, 0.f), bitmap_size.height - crop_rect.origin.y);
|
||
}
|
||
}
|
||
|
||
float Image::GetWidth() const
|
||
{
|
||
return crop_rect_.size.width;
|
||
}
|
||
|
||
float Image::GetHeight() const
|
||
{
|
||
return crop_rect_.size.height;
|
||
}
|
||
|
||
Size Image::GetSize() const
|
||
{
|
||
return crop_rect_.size;
|
||
}
|
||
|
||
float Image::GetSourceWidth() const
|
||
{
|
||
if (bitmap_)
|
||
{
|
||
return bitmap_->GetSize().width;
|
||
}
|
||
else
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
float Image::GetSourceHeight() const
|
||
{
|
||
if (bitmap_)
|
||
{
|
||
return bitmap_->GetSize().height;
|
||
}
|
||
else
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
Size Image::GetSourceSize() const
|
||
{
|
||
if (bitmap_)
|
||
{
|
||
auto bitmap_size = bitmap_->GetSize();
|
||
return Size{ bitmap_size.width, bitmap_size.height };
|
||
}
|
||
return Size{};
|
||
}
|
||
|
||
float Image::GetCropX() const
|
||
{
|
||
return crop_rect_.origin.x;
|
||
}
|
||
|
||
float Image::GetCropY() const
|
||
{
|
||
return crop_rect_.origin.y;
|
||
}
|
||
|
||
Point Image::GetCropPos() const
|
||
{
|
||
return crop_rect_.origin;
|
||
}
|
||
|
||
const Rect & Image::GetCropRect() const
|
||
{
|
||
return crop_rect_;
|
||
}
|
||
|
||
ID2D1Bitmap * Image::GetBitmap() const
|
||
{
|
||
return bitmap_;
|
||
}
|
||
|
||
bool Image::CacheBitmap(Resource& res)
|
||
{
|
||
size_t hash_code = res.GetHashCode();
|
||
if (bitmap_cache_.find(hash_code) != bitmap_cache_.end())
|
||
{
|
||
return true;
|
||
}
|
||
|
||
HRESULT hr;
|
||
|
||
HINSTANCE hinstance = GetModuleHandle(nullptr);
|
||
IWICImagingFactory* imaging_factory = render::D2D.WICImagingFactory;
|
||
ID2D1HwndRenderTarget* render_target = render::D2D.HwndRenderTarget;
|
||
IWICBitmapDecoder* decoder = nullptr;
|
||
IWICBitmapFrameDecode* source = nullptr;
|
||
IWICStream* stream = nullptr;
|
||
IWICFormatConverter* converter = nullptr;
|
||
ID2D1Bitmap* bitmap = nullptr;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
|
||
hr = res.Load() ? S_OK : E_FAIL;
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><><EFBFBD><EFBFBD> WIC <20><>
|
||
hr = imaging_factory->CreateStream(&stream);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
|
||
hr = stream->InitializeFromMemory(
|
||
static_cast<WICInProcPointer>(res.GetData()),
|
||
res.GetDataSize()
|
||
);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD>
|
||
hr = imaging_factory->CreateDecoderFromStream(
|
||
stream,
|
||
nullptr,
|
||
WICDecodeMetadataCacheOnLoad,
|
||
&decoder
|
||
);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
hr = decoder->GetFrame(0, &source);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD>
|
||
hr = imaging_factory->CreateFormatConverter(&converter);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD> 32bppPBGRA
|
||
hr = converter->Initialize(
|
||
source,
|
||
GUID_WICPixelFormat32bppPBGRA,
|
||
WICBitmapDitherTypeNone,
|
||
nullptr,
|
||
0.f,
|
||
WICBitmapPaletteTypeMedianCut
|
||
);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><> WIC λͼ<CEBB><CDBC><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> Direct2D λͼ
|
||
hr = render_target->CreateBitmapFromWicBitmap(
|
||
converter,
|
||
nullptr,
|
||
&bitmap
|
||
);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
bitmap_cache_.insert(std::make_pair(hash_code, bitmap));
|
||
}
|
||
|
||
// <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
|
||
SafeRelease(decoder);
|
||
SafeRelease(source);
|
||
SafeRelease(stream);
|
||
SafeRelease(converter);
|
||
|
||
return SUCCEEDED(hr);
|
||
}
|
||
|
||
bool Image::CacheBitmap(const String & file_name)
|
||
{
|
||
size_t hash_code = std::hash<String>{}(file_name);
|
||
if (bitmap_cache_.find(hash_code) != bitmap_cache_.end())
|
||
return true;
|
||
|
||
File image_file;
|
||
if (!image_file.Open(file_name))
|
||
return false;
|
||
|
||
// <20>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8> File::AddSearchPath <20><><EFBFBD><EFBFBD>
|
||
// Ĭ<><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫͨ<D2AA><CDA8> File::GetPath <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>·<EFBFBD><C2B7>
|
||
String image_file_path = image_file.GetPath();
|
||
|
||
IWICImagingFactory* imaging_factory = render::D2D.WICImagingFactory;
|
||
ID2D1HwndRenderTarget* render_target = render::D2D.HwndRenderTarget;
|
||
IWICBitmapDecoder* decoder = nullptr;
|
||
IWICBitmapFrameDecode* source = nullptr;
|
||
IWICStream* stream = nullptr;
|
||
IWICFormatConverter* converter = nullptr;
|
||
ID2D1Bitmap* bitmap = nullptr;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
HRESULT hr = imaging_factory->CreateDecoderFromFilename(
|
||
image_file_path.c_str(),
|
||
nullptr,
|
||
GENERIC_READ,
|
||
WICDecodeMetadataCacheOnLoad,
|
||
&decoder
|
||
);
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
hr = decoder->GetFrame(0, &source);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD>
|
||
hr = imaging_factory->CreateFormatConverter(&converter);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD> 32bppPBGRA
|
||
hr = converter->Initialize(
|
||
source,
|
||
GUID_WICPixelFormat32bppPBGRA,
|
||
WICBitmapDitherTypeNone,
|
||
nullptr,
|
||
0.f,
|
||
WICBitmapPaletteTypeMedianCut
|
||
);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
// <20><> WIC λͼ<CEBB><CDBC><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> Direct2D λͼ
|
||
hr = render_target->CreateBitmapFromWicBitmap(
|
||
converter,
|
||
nullptr,
|
||
&bitmap
|
||
);
|
||
}
|
||
|
||
if (SUCCEEDED(hr))
|
||
{
|
||
bitmap_cache_.insert(std::make_pair(hash_code, bitmap));
|
||
}
|
||
|
||
// <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
|
||
SafeRelease(decoder);
|
||
SafeRelease(source);
|
||
SafeRelease(stream);
|
||
SafeRelease(converter);
|
||
|
||
return SUCCEEDED(hr);
|
||
}
|
||
|
||
void Image::ClearCache()
|
||
{
|
||
if (bitmap_cache_.empty())
|
||
return;
|
||
|
||
for (const auto& bitmap : bitmap_cache_)
|
||
{
|
||
bitmap.second->Release();
|
||
}
|
||
bitmap_cache_.clear();
|
||
}
|
||
|
||
void Image::SetBitmap(ID2D1Bitmap * bitmap)
|
||
{
|
||
if (bitmap_ == bitmap)
|
||
return;
|
||
|
||
if (bitmap_)
|
||
{
|
||
bitmap_->Release();
|
||
}
|
||
|
||
if (bitmap)
|
||
{
|
||
bitmap->AddRef();
|
||
|
||
bitmap_ = bitmap;
|
||
crop_rect_.origin.x = crop_rect_.origin.y = 0;
|
||
crop_rect_.size.width = bitmap_->GetSize().width;
|
||
crop_rect_.size.height = bitmap_->GetSize().height;
|
||
}
|
||
}
|
||
} |