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#pragma once
#include <windows.graphics.printing.h>
#include <printpreview.h>
#include <documentsource.h>
#include "MainPage.xaml.h"
using namespace Microsoft::WRL;
using namespace mupdf_cpp;
/* This is the interface to the print thread calls */
class PrintPages : public Microsoft::WRL::RuntimeClass<Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::WinRtClassicComMix>,
ABI::Windows::Graphics::Printing::IPrintDocumentSource,
IPrintDocumentPageSource,
IPrintPreviewPageCollection>
{
private:
InspectableClass(L"Windows.Graphics.Printing.IPrintDocumentSource", BaseTrust);
public:
HRESULT RuntimeClassInitialize(IUnknown* pageRenderer)
{
HRESULT hr = (pageRenderer != nullptr) ? S_OK : E_INVALIDARG;
if (SUCCEEDED(hr))
{
m_paginate_called = false;
m_totalpages = 1;
m_height = 0.f;
m_width = 0.f;
m_renderer = reinterpret_cast<MainPage^>(pageRenderer);
}
return hr;
}
IFACEMETHODIMP GetPreviewPageCollection(IPrintDocumentPackageTarget* doc_target,
IPrintPreviewPageCollection** doc_collection);
IFACEMETHODIMP MakeDocument(IInspectable* doc_options,
IPrintDocumentPackageTarget* doc_target);
IFACEMETHODIMP Paginate(uint32 current_jobpage, IInspectable* doc_options);
IFACEMETHODIMP MakePage(uint32 desired_jobpage, float width, float height);
void ResetPreview();
private:
float TransformedPageSize(float desired_width, float desired_height,
Windows::Foundation::Size* preview_size);
uint32 m_totalpages;
bool m_paginate_called;
float m_height;
float m_width;
D2D1_RECT_F m_imageable_rect;
MainPage^ m_renderer;
Microsoft::WRL::ComPtr<IPrintPreviewDxgiPackageTarget> m_dxgi_previewtarget;
void DrawPreviewSurface(float width, float height, float scale_in,
D2D1_RECT_F contentBox, uint32 page_num,
IPrintPreviewDxgiPackageTarget* previewTarget);
};
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