347 lines
10 KiB
C
347 lines
10 KiB
C
/*
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* GDI Interop
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*
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* Copyright 2012 Nikolay Sivov for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "dwrite_1.h"
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#include "dwrite_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
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struct gdiinterop {
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IDWriteGdiInterop IDWriteGdiInterop_iface;
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LONG ref;
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};
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struct rendertarget {
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IDWriteBitmapRenderTarget IDWriteBitmapRenderTarget_iface;
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LONG ref;
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DWRITE_MATRIX m;
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SIZE size;
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HDC hdc;
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};
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static HRESULT create_target_dibsection(HDC hdc, UINT32 width, UINT32 height)
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{
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char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
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BITMAPINFO *bmi = (BITMAPINFO*)bmibuf;
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HBITMAP hbm;
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memset(bmi, 0, sizeof(bmibuf));
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bmi->bmiHeader.biSize = sizeof(bmi->bmiHeader);
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bmi->bmiHeader.biHeight = height;
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bmi->bmiHeader.biWidth = width;
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bmi->bmiHeader.biBitCount = 32;
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bmi->bmiHeader.biPlanes = 1;
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bmi->bmiHeader.biCompression = BI_RGB;
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hbm = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, NULL, NULL, 0);
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if (!hbm)
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hbm = CreateBitmap(1, 1, 1, 1, NULL);
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DeleteObject(SelectObject(hdc, hbm));
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return S_OK;
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}
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static inline struct rendertarget *impl_from_IDWriteBitmapRenderTarget(IDWriteBitmapRenderTarget *iface)
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{
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return CONTAINING_RECORD(iface, struct rendertarget, IDWriteBitmapRenderTarget_iface);
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}
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static inline struct gdiinterop *impl_from_IDWriteGdiInterop(IDWriteGdiInterop *iface)
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{
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return CONTAINING_RECORD(iface, struct gdiinterop, IDWriteGdiInterop_iface);
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}
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static HRESULT WINAPI rendertarget_QueryInterface(IDWriteBitmapRenderTarget *iface, REFIID riid, void **obj)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteBitmapRenderTarget))
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{
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*obj = iface;
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IDWriteBitmapRenderTarget_AddRef(iface);
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return S_OK;
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}
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*obj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI rendertarget_AddRef(IDWriteBitmapRenderTarget *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI rendertarget_Release(IDWriteBitmapRenderTarget *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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if (!ref)
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{
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DeleteDC(This->hdc);
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heap_free(This);
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}
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return ref;
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}
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static HRESULT WINAPI rendertarget_DrawGlyphRun(IDWriteBitmapRenderTarget *iface,
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FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_MEASURING_MODE measuring_mode,
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DWRITE_GLYPH_RUN const* glyph_run, IDWriteRenderingParams* params, COLORREF textColor,
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RECT *blackbox_rect)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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FIXME("(%p)->(%f %f %d %p %p 0x%08x %p): stub\n", This, baselineOriginX, baselineOriginY,
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measuring_mode, glyph_run, params, textColor, blackbox_rect);
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return E_NOTIMPL;
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}
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static HDC WINAPI rendertarget_GetMemoryDC(IDWriteBitmapRenderTarget *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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TRACE("(%p)\n", This);
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return This->hdc;
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}
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static FLOAT WINAPI rendertarget_GetPixelsPerDip(IDWriteBitmapRenderTarget *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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FIXME("(%p): stub\n", This);
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return 1.0;
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}
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static HRESULT WINAPI rendertarget_SetPixelsPerDip(IDWriteBitmapRenderTarget *iface, FLOAT pixels_per_dip)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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FIXME("(%p)->(%f): stub\n", This, pixels_per_dip);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI rendertarget_GetCurrentTransform(IDWriteBitmapRenderTarget *iface, DWRITE_MATRIX *transform)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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TRACE("(%p)->(%p)\n", This, transform);
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*transform = This->m;
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return S_OK;
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}
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static HRESULT WINAPI rendertarget_SetCurrentTransform(IDWriteBitmapRenderTarget *iface, DWRITE_MATRIX const *transform)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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FIXME("(%p)->(%p): stub\n", This, transform);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI rendertarget_GetSize(IDWriteBitmapRenderTarget *iface, SIZE *size)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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TRACE("(%p)->(%p)\n", This, size);
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*size = This->size;
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return S_OK;
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}
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static HRESULT WINAPI rendertarget_Resize(IDWriteBitmapRenderTarget *iface, UINT32 width, UINT32 height)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget(iface);
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TRACE("(%p)->(%u %u)\n", This, width, height);
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if (This->size.cx == width && This->size.cy == height)
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return S_OK;
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return create_target_dibsection(This->hdc, width, height);
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}
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static const IDWriteBitmapRenderTargetVtbl rendertargetvtbl = {
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rendertarget_QueryInterface,
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rendertarget_AddRef,
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rendertarget_Release,
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rendertarget_DrawGlyphRun,
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rendertarget_GetMemoryDC,
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rendertarget_GetPixelsPerDip,
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rendertarget_SetPixelsPerDip,
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rendertarget_GetCurrentTransform,
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rendertarget_SetCurrentTransform,
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rendertarget_GetSize,
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rendertarget_Resize
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};
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static HRESULT create_rendertarget(HDC hdc, UINT32 width, UINT32 height, IDWriteBitmapRenderTarget **ret)
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{
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struct rendertarget *target;
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HRESULT hr;
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*ret = NULL;
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target = heap_alloc(sizeof(struct rendertarget));
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if (!target) return E_OUTOFMEMORY;
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target->IDWriteBitmapRenderTarget_iface.lpVtbl = &rendertargetvtbl;
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target->ref = 1;
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target->size.cx = width;
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target->size.cy = height;
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target->hdc = CreateCompatibleDC(hdc);
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hr = create_target_dibsection(target->hdc, width, height);
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if (FAILED(hr)) {
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IDWriteBitmapRenderTarget_Release(&target->IDWriteBitmapRenderTarget_iface);
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return hr;
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}
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target->m.m11 = target->m.m22 = 1.0;
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target->m.m12 = target->m.m21 = 0.0;
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target->m.dx = target->m.dy = 0.0;
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*ret = &target->IDWriteBitmapRenderTarget_iface;
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return S_OK;
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}
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static HRESULT WINAPI gdiinterop_QueryInterface(IDWriteGdiInterop *iface, REFIID riid, void **obj)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteGdiInterop))
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{
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*obj = iface;
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IDWriteGdiInterop_AddRef(iface);
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return S_OK;
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}
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*obj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI gdiinterop_AddRef(IDWriteGdiInterop *iface)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI gdiinterop_Release(IDWriteGdiInterop *iface)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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if (!ref)
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{
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heap_free(This);
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}
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return ref;
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}
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static HRESULT WINAPI gdiinterop_CreateFontFromLOGFONT(IDWriteGdiInterop *iface,
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LOGFONTW const *logfont, IDWriteFont **font)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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TRACE("(%p)->(%p %p)\n", This, logfont, font);
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if (!logfont) return E_INVALIDARG;
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return create_font_from_logfont(logfont, font);
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}
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static HRESULT WINAPI gdiinterop_ConvertFontToLOGFONT(IDWriteGdiInterop *iface,
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IDWriteFont *font, LOGFONTW *logfont, BOOL *is_systemfont)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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FIXME("(%p)->(%p %p %p): stub\n", This, font, logfont, is_systemfont);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI gdiinterop_ConvertFontFaceToLOGFONT(IDWriteGdiInterop *iface,
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IDWriteFontFace *fontface, LOGFONTW *logfont)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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TRACE("(%p)->(%p %p)\n", This, fontface, logfont);
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return convert_fontface_to_logfont(fontface, logfont);
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}
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static HRESULT WINAPI gdiinterop_CreateFontFaceFromHdc(IDWriteGdiInterop *iface,
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HDC hdc, IDWriteFontFace **fontface)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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FIXME("(%p)->(%p %p): stub\n", This, hdc, fontface);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI gdiinterop_CreateBitmapRenderTarget(IDWriteGdiInterop *iface,
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HDC hdc, UINT32 width, UINT32 height, IDWriteBitmapRenderTarget **target)
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{
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struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
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TRACE("(%p)->(%p %u %u %p)\n", This, hdc, width, height, target);
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return create_rendertarget(hdc, width, height, target);
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}
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static const struct IDWriteGdiInteropVtbl gdiinteropvtbl = {
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gdiinterop_QueryInterface,
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gdiinterop_AddRef,
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gdiinterop_Release,
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gdiinterop_CreateFontFromLOGFONT,
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gdiinterop_ConvertFontToLOGFONT,
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gdiinterop_ConvertFontFaceToLOGFONT,
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gdiinterop_CreateFontFaceFromHdc,
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gdiinterop_CreateBitmapRenderTarget
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};
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HRESULT get_gdiinterop(IDWriteGdiInterop **ret)
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{
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struct gdiinterop *This;
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*ret = NULL;
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This = heap_alloc(sizeof(struct gdiinterop));
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if (!This) return E_OUTOFMEMORY;
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This->IDWriteGdiInterop_iface.lpVtbl = &gdiinteropvtbl;
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This->ref = 1;
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*ret= &This->IDWriteGdiInterop_iface;
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return S_OK;
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}
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