Magic_Game/core/objects/Image.cpp

395 lines
8.1 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// 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 "..\e2dobject.h"
#include "..\e2dmodule.h"
#include "..\e2dtool.h"
std::map<size_t, ID2D1Bitmap*> easy2d::Image::bitmap_cache_;
easy2d::Image::Image()
: bitmap_(nullptr)
, crop_rect_()
{
}
easy2d::Image::Image(Resource& res)
: bitmap_(nullptr)
, crop_rect_()
{
this->Load(res);
}
easy2d::Image::Image(Resource& res, const Rect& crop_rect)
: bitmap_(nullptr)
, crop_rect_()
{
this->Load(res);
this->Crop(crop_rect);
}
easy2d::Image::Image(const std::wstring & file_name)
: bitmap_(nullptr)
, crop_rect_()
{
this->Load(file_name);
}
easy2d::Image::Image(const std::wstring & file_name, const Rect & crop_rect)
: bitmap_(nullptr)
, crop_rect_()
{
this->Load(file_name);
this->Crop(crop_rect);
}
easy2d::Image::~Image()
{
SafeRelease(bitmap_);
}
bool easy2d::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 easy2d::Image::Load(const std::wstring & 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<std::wstring>{}(file_name)));
return true;
}
void easy2d::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 easy2d::Image::GetWidth() const
{
return crop_rect_.size.width;
}
float easy2d::Image::GetHeight() const
{
return crop_rect_.size.height;
}
easy2d::Size easy2d::Image::GetSize() const
{
return crop_rect_.size;
}
float easy2d::Image::GetSourceWidth() const
{
if (bitmap_)
{
return bitmap_->GetSize().width;
}
else
{
return 0;
}
}
float easy2d::Image::GetSourceHeight() const
{
if (bitmap_)
{
return bitmap_->GetSize().height;
}
else
{
return 0;
}
}
easy2d::Size easy2d::Image::GetSourceSize() const
{
Size source_size;
if (bitmap_)
{
auto bitmap_size = bitmap_->GetSize();
source_size.width = bitmap_size.width;
source_size.height = bitmap_size.height;
}
return std::move(source_size);
}
float easy2d::Image::GetCropX() const
{
return crop_rect_.origin.x;
}
float easy2d::Image::GetCropY() const
{
return crop_rect_.origin.y;
}
easy2d::Point easy2d::Image::GetCropPos() const
{
return crop_rect_.origin;
}
const easy2d::Rect & easy2d::Image::GetCropRect() const
{
return crop_rect_;
}
ID2D1Bitmap * easy2d::Image::GetBitmap() const
{
return bitmap_;
}
bool easy2d::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 = Device::GetGraphics()->GetImagingFactory();
ID2D1HwndRenderTarget* render_target = Device::GetGraphics()->GetRenderTarget();
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 easy2d::Image::CacheBitmap(const std::wstring & file_name)
{
size_t hash_code = std::hash<std::wstring>{}(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>
std::wstring image_file_path = image_file.GetPath();
Graphics* graphics_device = Device::GetGraphics();
IWICImagingFactory* imaging_factory = graphics_device->GetImagingFactory();
ID2D1HwndRenderTarget* render_target = graphics_device->GetRenderTarget();
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 easy2d::Image::ClearCache()
{
if (bitmap_cache_.empty())
return;
for (const auto& bitmap : bitmap_cache_)
{
bitmap.second->Release();
}
bitmap_cache_.clear();
}
void easy2d::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;
}
}