902 lines
27 KiB
C
902 lines
27 KiB
C
/*
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* GDI Interop
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*
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* Copyright 2011 Huw Davies
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* Copyright 2012, 2014 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_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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IDWriteFactory2 *factory;
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};
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struct dib_data {
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DWORD *ptr;
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int stride;
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int width;
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};
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struct rendertarget {
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IDWriteBitmapRenderTarget1 IDWriteBitmapRenderTarget1_iface;
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ID2D1SimplifiedGeometrySink ID2D1SimplifiedGeometrySink_iface;
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LONG ref;
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IDWriteFactory *factory;
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DWRITE_TEXT_ANTIALIAS_MODE antialiasmode;
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FLOAT ppdip;
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DWRITE_MATRIX m;
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SIZE size;
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HDC hdc;
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struct dib_data dib;
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};
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static inline int get_dib_stride(int width, int bpp)
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{
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return ((width * bpp + 31) >> 3) & ~3;
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}
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static HRESULT create_target_dibsection(struct rendertarget *target, 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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target->size.cx = width;
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target->size.cy = height;
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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(target->hdc, bmi, DIB_RGB_COLORS, (void**)&target->dib.ptr, NULL, 0);
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if (!hbm) {
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hbm = CreateBitmap(1, 1, 1, 1, NULL);
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target->dib.ptr = NULL;
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target->dib.stride = 0;
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target->dib.width = 0;
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}
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else {
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target->dib.stride = get_dib_stride(width, 32);
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target->dib.width = width;
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}
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DeleteObject(SelectObject(target->hdc, hbm));
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return S_OK;
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}
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static inline struct rendertarget *impl_from_IDWriteBitmapRenderTarget1(IDWriteBitmapRenderTarget1 *iface)
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{
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return CONTAINING_RECORD(iface, struct rendertarget, IDWriteBitmapRenderTarget1_iface);
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}
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static inline struct rendertarget *impl_from_ID2D1SimplifiedGeometrySink(ID2D1SimplifiedGeometrySink *iface)
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{
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return CONTAINING_RECORD(iface, struct rendertarget, ID2D1SimplifiedGeometrySink_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_sink_QueryInterface(ID2D1SimplifiedGeometrySink *iface, REFIID riid, void **obj)
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{
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if (IsEqualIID(riid, &IID_ID2D1SimplifiedGeometrySink) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*obj = iface;
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ID2D1SimplifiedGeometrySink_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_sink_AddRef(ID2D1SimplifiedGeometrySink *iface)
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{
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struct rendertarget *This = impl_from_ID2D1SimplifiedGeometrySink(iface);
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return IDWriteBitmapRenderTarget1_AddRef(&This->IDWriteBitmapRenderTarget1_iface);
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}
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static ULONG WINAPI rendertarget_sink_Release(ID2D1SimplifiedGeometrySink *iface)
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{
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struct rendertarget *This = impl_from_ID2D1SimplifiedGeometrySink(iface);
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return IDWriteBitmapRenderTarget1_Release(&This->IDWriteBitmapRenderTarget1_iface);
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}
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static void WINAPI rendertarget_sink_SetFillMode(ID2D1SimplifiedGeometrySink *iface, D2D1_FILL_MODE mode)
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{
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struct rendertarget *This = impl_from_ID2D1SimplifiedGeometrySink(iface);
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SetPolyFillMode(This->hdc, mode == D2D1_FILL_MODE_ALTERNATE ? ALTERNATE : WINDING);
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}
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static void WINAPI rendertarget_sink_SetSegmentFlags(ID2D1SimplifiedGeometrySink *iface, D2D1_PATH_SEGMENT vertexFlags)
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{
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}
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static void WINAPI rendertarget_sink_BeginFigure(ID2D1SimplifiedGeometrySink *iface, D2D1_POINT_2F startPoint, D2D1_FIGURE_BEGIN figureBegin)
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{
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struct rendertarget *This = impl_from_ID2D1SimplifiedGeometrySink(iface);
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MoveToEx(This->hdc, startPoint.x, startPoint.y, NULL);
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}
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static void WINAPI rendertarget_sink_AddLines(ID2D1SimplifiedGeometrySink *iface, const D2D1_POINT_2F *points, UINT32 count)
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{
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struct rendertarget *This = impl_from_ID2D1SimplifiedGeometrySink(iface);
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while (count--) {
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LineTo(This->hdc, points->x, points->y);
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points++;
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}
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}
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static void WINAPI rendertarget_sink_AddBeziers(ID2D1SimplifiedGeometrySink *iface, const D2D1_BEZIER_SEGMENT *beziers, UINT32 count)
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{
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struct rendertarget *This = impl_from_ID2D1SimplifiedGeometrySink(iface);
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POINT points[3];
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while (count--) {
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points[0].x = beziers->point1.x;
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points[0].y = beziers->point1.y;
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points[1].x = beziers->point2.x;
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points[1].y = beziers->point2.y;
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points[2].x = beziers->point3.x;
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points[2].y = beziers->point3.y;
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PolyBezierTo(This->hdc, points, 3);
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beziers++;
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}
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}
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static void WINAPI rendertarget_sink_EndFigure(ID2D1SimplifiedGeometrySink *iface, D2D1_FIGURE_END figureEnd)
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{
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struct rendertarget *This = impl_from_ID2D1SimplifiedGeometrySink(iface);
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CloseFigure(This->hdc);
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}
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static HRESULT WINAPI rendertarget_sink_Close(ID2D1SimplifiedGeometrySink *iface)
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{
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return S_OK;
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}
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static const ID2D1SimplifiedGeometrySinkVtbl rendertargetsinkvtbl = {
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rendertarget_sink_QueryInterface,
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rendertarget_sink_AddRef,
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rendertarget_sink_Release,
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rendertarget_sink_SetFillMode,
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rendertarget_sink_SetSegmentFlags,
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rendertarget_sink_BeginFigure,
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rendertarget_sink_AddLines,
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rendertarget_sink_AddBeziers,
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rendertarget_sink_EndFigure,
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rendertarget_sink_Close
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};
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static HRESULT WINAPI rendertarget_QueryInterface(IDWriteBitmapRenderTarget1 *iface, REFIID riid, void **obj)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IDWriteBitmapRenderTarget1) ||
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IsEqualIID(riid, &IID_IDWriteBitmapRenderTarget) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*obj = iface;
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IDWriteBitmapRenderTarget1_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(IDWriteBitmapRenderTarget1 *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(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(IDWriteBitmapRenderTarget1 *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(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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IDWriteFactory_Release(This->factory);
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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 inline DWORD *get_pixel_ptr_32(struct dib_data *dib, int x, int y)
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{
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return (DWORD *)((BYTE*)dib->ptr + y * dib->stride + x * 4);
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}
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static void blit_8(struct dib_data *dib, const BYTE *src, const RECT *rect, DWORD text_pixel)
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{
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DWORD *dst_ptr = get_pixel_ptr_32(dib, rect->left, rect->top);
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int x, y, src_width = rect->right - rect->left;
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for (y = rect->top; y < rect->bottom; y++) {
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for (x = 0; x < src_width; x++) {
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if (src[x] < DWRITE_ALPHA_MAX) continue;
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dst_ptr[x] = text_pixel;
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}
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src += src_width;
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dst_ptr += dib->stride / 4;
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}
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}
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static inline BYTE blend_color(BYTE dst, BYTE src, BYTE alpha)
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{
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return (src * alpha + dst * (255 - alpha) + 127) / 255;
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}
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static inline DWORD blend_subpixel(BYTE r, BYTE g, BYTE b, DWORD text, const BYTE *alpha)
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{
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return blend_color(r, text >> 16, alpha[0]) << 16 |
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blend_color(g, text >> 8, alpha[1]) << 8 |
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blend_color(b, text, alpha[2]);
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}
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static void blit_subpixel_888(struct dib_data *dib, int dib_width, const BYTE *src,
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const RECT *rect, DWORD text_pixel)
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{
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DWORD *dst_ptr = get_pixel_ptr_32(dib, rect->left, rect->top);
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int x, y, src_width = rect->right - rect->left;
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for (y = rect->top; y < rect->bottom; y++) {
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for (x = 0; x < src_width; x++) {
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if (src[3*x] == 0 && src[3*x+1] == 0 && src[3*x+2] == 0) continue;
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dst_ptr[x] = blend_subpixel(dst_ptr[x] >> 16, dst_ptr[x] >> 8, dst_ptr[x], text_pixel, &src[3*x]);
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}
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dst_ptr += dib->stride / 4;
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src += src_width * 3;
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}
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}
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static inline DWORD colorref_to_pixel_888(COLORREF color)
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{
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return (((color >> 16) & 0xff) | (color & 0xff00) | ((color << 16) & 0xff0000));
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}
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static HRESULT WINAPI rendertarget_DrawGlyphRun(IDWriteBitmapRenderTarget1 *iface,
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FLOAT originX, FLOAT originY, DWRITE_MEASURING_MODE measuring_mode,
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DWRITE_GLYPH_RUN const *run, IDWriteRenderingParams *params, COLORREF color,
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RECT *bbox_ret)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
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IDWriteGlyphRunAnalysis *analysis;
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DWRITE_RENDERING_MODE rendermode;
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DWRITE_TEXTURE_TYPE texturetype;
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IDWriteFontFace1 *fontface1;
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RECT target, bounds;
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HRESULT hr;
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TRACE("(%p)->(%.2f %.2f %d %p %p 0x%08x %p)\n", This, originX, originY,
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measuring_mode, run, params, color, bbox_ret);
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SetRectEmpty(bbox_ret);
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if (!This->dib.ptr)
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return S_OK;
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hr = IDWriteFontFace_QueryInterface(run->fontFace, &IID_IDWriteFontFace1, (void**)&fontface1);
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if (hr == S_OK) {
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hr = IDWriteFontFace1_GetRecommendedRenderingMode(fontface1, run->fontEmSize, This->ppdip * 96.0f,
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This->ppdip * 96.0f, NULL, run->isSideways, DWRITE_OUTLINE_THRESHOLD_ALIASED, measuring_mode,
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&rendermode);
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IDWriteFontFace1_Release(fontface1);
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}
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else
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hr = IDWriteFontFace_GetRecommendedRenderingMode(run->fontFace, run->fontEmSize,
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This->ppdip, measuring_mode, params, &rendermode);
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if (FAILED(hr))
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return hr;
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target.left = target.top = 0;
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target.right = This->size.cx;
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target.bottom = This->size.cy;
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if (rendermode == DWRITE_RENDERING_MODE_OUTLINE) {
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static const XFORM identity = { 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f };
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const DWRITE_MATRIX *m = &This->m;
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XFORM xform;
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/* target allows any transform to be set, filter it here */
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if (m->m11 * m->m22 == m->m12 * m->m21) {
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xform.eM11 = 1.0f;
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xform.eM12 = 0.0f;
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xform.eM21 = 0.0f;
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xform.eM22 = 1.0f;
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xform.eDx = originX;
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xform.eDy = originY;
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} else {
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xform.eM11 = m->m11;
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xform.eM12 = m->m12;
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xform.eM21 = m->m21;
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xform.eM22 = m->m22;
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xform.eDx = m->m11 * originX + m->m21 * originY + m->dx;
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xform.eDy = m->m12 * originX + m->m22 * originY + m->dy;
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}
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SetWorldTransform(This->hdc, &xform);
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BeginPath(This->hdc);
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hr = IDWriteFontFace_GetGlyphRunOutline(run->fontFace, run->fontEmSize * This->ppdip,
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run->glyphIndices, run->glyphAdvances, run->glyphOffsets, run->glyphCount,
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run->isSideways, run->bidiLevel & 1, &This->ID2D1SimplifiedGeometrySink_iface);
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EndPath(This->hdc);
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if (hr == S_OK) {
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HBRUSH brush = CreateSolidBrush(color);
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SelectObject(This->hdc, brush);
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FillPath(This->hdc);
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/* FIXME: one way to get affected rectangle bounds is to use region fill */
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if (bbox_ret)
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*bbox_ret = target;
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DeleteObject(brush);
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}
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SetWorldTransform(This->hdc, &identity);
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return hr;
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}
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hr = IDWriteFactory_CreateGlyphRunAnalysis(This->factory,
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run, This->ppdip, &This->m, rendermode, measuring_mode,
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originX, originY, &analysis);
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if (FAILED(hr)) {
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WARN("failed to create analysis instance, 0x%08x\n", hr);
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return hr;
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}
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SetRectEmpty(&bounds);
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texturetype = DWRITE_TEXTURE_ALIASED_1x1;
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hr = IDWriteGlyphRunAnalysis_GetAlphaTextureBounds(analysis, DWRITE_TEXTURE_ALIASED_1x1, &bounds);
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if (FAILED(hr) || IsRectEmpty(&bounds)) {
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hr = IDWriteGlyphRunAnalysis_GetAlphaTextureBounds(analysis, DWRITE_TEXTURE_CLEARTYPE_3x1, &bounds);
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if (FAILED(hr)) {
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WARN("GetAlphaTextureBounds() failed, 0x%08x\n", hr);
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return hr;
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}
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texturetype = DWRITE_TEXTURE_CLEARTYPE_3x1;
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}
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if (IntersectRect(&target, &target, &bounds)) {
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UINT32 size = (target.right - target.left) * (target.bottom - target.top);
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BYTE *bitmap;
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color = colorref_to_pixel_888(color);
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if (texturetype == DWRITE_TEXTURE_CLEARTYPE_3x1)
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size *= 3;
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bitmap = heap_alloc_zero(size);
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hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, texturetype, &target, bitmap, size);
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if (hr == S_OK) {
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/* blit to target dib */
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if (texturetype == DWRITE_TEXTURE_ALIASED_1x1)
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blit_8(&This->dib, bitmap, &target, color);
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else
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blit_subpixel_888(&This->dib, This->size.cx, bitmap, &target, color);
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if (bbox_ret) *bbox_ret = target;
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}
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heap_free(bitmap);
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}
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IDWriteGlyphRunAnalysis_Release(analysis);
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return S_OK;
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}
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static HDC WINAPI rendertarget_GetMemoryDC(IDWriteBitmapRenderTarget1 *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(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(IDWriteBitmapRenderTarget1 *iface)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
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TRACE("(%p)\n", This);
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return This->ppdip;
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}
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static HRESULT WINAPI rendertarget_SetPixelsPerDip(IDWriteBitmapRenderTarget1 *iface, FLOAT ppdip)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
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TRACE("(%p)->(%.2f)\n", This, ppdip);
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if (ppdip <= 0.0)
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return E_INVALIDARG;
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This->ppdip = ppdip;
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return S_OK;
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}
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static HRESULT WINAPI rendertarget_GetCurrentTransform(IDWriteBitmapRenderTarget1 *iface, DWRITE_MATRIX *transform)
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{
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struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
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|
|
TRACE("(%p)->(%p)\n", This, transform);
|
|
|
|
*transform = This->m;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI rendertarget_SetCurrentTransform(IDWriteBitmapRenderTarget1 *iface, DWRITE_MATRIX const *transform)
|
|
{
|
|
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, transform);
|
|
|
|
This->m = transform ? *transform : identity;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI rendertarget_GetSize(IDWriteBitmapRenderTarget1 *iface, SIZE *size)
|
|
{
|
|
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, size);
|
|
*size = This->size;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI rendertarget_Resize(IDWriteBitmapRenderTarget1 *iface, UINT32 width, UINT32 height)
|
|
{
|
|
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
|
|
|
|
TRACE("(%p)->(%u %u)\n", This, width, height);
|
|
|
|
if (This->size.cx == width && This->size.cy == height)
|
|
return S_OK;
|
|
|
|
return create_target_dibsection(This, width, height);
|
|
}
|
|
|
|
static DWRITE_TEXT_ANTIALIAS_MODE WINAPI rendertarget_GetTextAntialiasMode(IDWriteBitmapRenderTarget1 *iface)
|
|
{
|
|
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
|
|
TRACE("(%p)\n", This);
|
|
return This->antialiasmode;
|
|
}
|
|
|
|
static HRESULT WINAPI rendertarget_SetTextAntialiasMode(IDWriteBitmapRenderTarget1 *iface, DWRITE_TEXT_ANTIALIAS_MODE mode)
|
|
{
|
|
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
|
|
|
|
TRACE("(%p)->(%d)\n", This, mode);
|
|
|
|
if ((DWORD)mode > DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE)
|
|
return E_INVALIDARG;
|
|
|
|
This->antialiasmode = mode;
|
|
return S_OK;
|
|
}
|
|
|
|
static const IDWriteBitmapRenderTarget1Vtbl rendertargetvtbl = {
|
|
rendertarget_QueryInterface,
|
|
rendertarget_AddRef,
|
|
rendertarget_Release,
|
|
rendertarget_DrawGlyphRun,
|
|
rendertarget_GetMemoryDC,
|
|
rendertarget_GetPixelsPerDip,
|
|
rendertarget_SetPixelsPerDip,
|
|
rendertarget_GetCurrentTransform,
|
|
rendertarget_SetCurrentTransform,
|
|
rendertarget_GetSize,
|
|
rendertarget_Resize,
|
|
rendertarget_GetTextAntialiasMode,
|
|
rendertarget_SetTextAntialiasMode
|
|
};
|
|
|
|
static HRESULT create_rendertarget(IDWriteFactory *factory, HDC hdc, UINT32 width, UINT32 height, IDWriteBitmapRenderTarget **ret)
|
|
{
|
|
struct rendertarget *target;
|
|
HRESULT hr;
|
|
|
|
*ret = NULL;
|
|
|
|
target = heap_alloc(sizeof(struct rendertarget));
|
|
if (!target) return E_OUTOFMEMORY;
|
|
|
|
target->IDWriteBitmapRenderTarget1_iface.lpVtbl = &rendertargetvtbl;
|
|
target->ID2D1SimplifiedGeometrySink_iface.lpVtbl = &rendertargetsinkvtbl;
|
|
target->ref = 1;
|
|
|
|
target->hdc = CreateCompatibleDC(hdc);
|
|
SetGraphicsMode(target->hdc, GM_ADVANCED);
|
|
hr = create_target_dibsection(target, width, height);
|
|
if (FAILED(hr)) {
|
|
IDWriteBitmapRenderTarget1_Release(&target->IDWriteBitmapRenderTarget1_iface);
|
|
return hr;
|
|
}
|
|
|
|
target->m = identity;
|
|
target->ppdip = 1.0;
|
|
target->antialiasmode = DWRITE_TEXT_ANTIALIAS_MODE_CLEARTYPE;
|
|
target->factory = factory;
|
|
IDWriteFactory_AddRef(factory);
|
|
|
|
*ret = (IDWriteBitmapRenderTarget*)&target->IDWriteBitmapRenderTarget1_iface;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI gdiinterop_QueryInterface(IDWriteGdiInterop *iface, REFIID riid, void **obj)
|
|
{
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
|
|
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
|
|
|
|
if (IsEqualIID(riid, &IID_IDWriteGdiInterop) ||
|
|
IsEqualIID(riid, &IID_IUnknown))
|
|
{
|
|
*obj = iface;
|
|
IDWriteGdiInterop_AddRef(iface);
|
|
return S_OK;
|
|
}
|
|
|
|
*obj = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
static ULONG WINAPI gdiinterop_AddRef(IDWriteGdiInterop *iface)
|
|
{
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
TRACE("(%p)\n", This);
|
|
return IDWriteFactory2_AddRef(This->factory);
|
|
}
|
|
|
|
static ULONG WINAPI gdiinterop_Release(IDWriteGdiInterop *iface)
|
|
{
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
TRACE("(%p)\n", This);
|
|
return IDWriteFactory2_Release(This->factory);
|
|
}
|
|
|
|
static HRESULT WINAPI gdiinterop_CreateFontFromLOGFONT(IDWriteGdiInterop *iface,
|
|
LOGFONTW const *logfont, IDWriteFont **font)
|
|
{
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
IDWriteFontCollection *collection;
|
|
IDWriteFontFamily *family;
|
|
DWRITE_FONT_STYLE style;
|
|
BOOL exists = FALSE;
|
|
UINT32 index;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p %p)\n", This, logfont, font);
|
|
|
|
*font = NULL;
|
|
|
|
if (!logfont) return E_INVALIDARG;
|
|
|
|
hr = IDWriteFactory2_GetSystemFontCollection(This->factory, &collection, FALSE);
|
|
if (FAILED(hr)) {
|
|
ERR("failed to get system font collection: 0x%08x.\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
hr = IDWriteFontCollection_FindFamilyName(collection, logfont->lfFaceName, &index, &exists);
|
|
if (FAILED(hr)) {
|
|
IDWriteFontCollection_Release(collection);
|
|
goto done;
|
|
}
|
|
|
|
if (!exists) {
|
|
hr = DWRITE_E_NOFONT;
|
|
goto done;
|
|
}
|
|
|
|
hr = IDWriteFontCollection_GetFontFamily(collection, index, &family);
|
|
if (FAILED(hr))
|
|
goto done;
|
|
|
|
style = logfont->lfItalic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL;
|
|
hr = IDWriteFontFamily_GetFirstMatchingFont(family, logfont->lfWeight, DWRITE_FONT_STRETCH_NORMAL, style, font);
|
|
IDWriteFontFamily_Release(family);
|
|
|
|
done:
|
|
IDWriteFontCollection_Release(collection);
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI gdiinterop_ConvertFontToLOGFONT(IDWriteGdiInterop *iface,
|
|
IDWriteFont *font, LOGFONTW *logfont, BOOL *is_systemfont)
|
|
{
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
static const WCHAR enusW[] = {'e','n','-','u','s',0};
|
|
DWRITE_FONT_SIMULATIONS simulations;
|
|
IDWriteFontCollection *collection;
|
|
IDWriteLocalizedStrings *name;
|
|
IDWriteFontFamily *family;
|
|
DWRITE_FONT_STYLE style;
|
|
UINT32 index;
|
|
BOOL exists;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p %p %p)\n", This, font, logfont, is_systemfont);
|
|
|
|
*is_systemfont = FALSE;
|
|
|
|
memset(logfont, 0, sizeof(*logfont));
|
|
|
|
if (!font)
|
|
return E_INVALIDARG;
|
|
|
|
hr = IDWriteFont_GetFontFamily(font, &family);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = IDWriteFontFamily_GetFontCollection(family, &collection);
|
|
IDWriteFontFamily_Release(family);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
*is_systemfont = is_system_collection(collection);
|
|
IDWriteFontCollection_Release(collection);
|
|
|
|
simulations = IDWriteFont_GetSimulations(font);
|
|
style = IDWriteFont_GetStyle(font);
|
|
|
|
logfont->lfCharSet = DEFAULT_CHARSET;
|
|
logfont->lfWeight = IDWriteFont_GetWeight(font);
|
|
logfont->lfItalic = style == DWRITE_FONT_STYLE_ITALIC || (simulations & DWRITE_FONT_SIMULATIONS_OBLIQUE);
|
|
logfont->lfOutPrecision = OUT_OUTLINE_PRECIS;
|
|
logfont->lfFaceName[0] = 0;
|
|
|
|
exists = FALSE;
|
|
hr = IDWriteFont_GetInformationalStrings(font, DWRITE_INFORMATIONAL_STRING_WIN32_FAMILY_NAMES, &name, &exists);
|
|
if (FAILED(hr) || !exists)
|
|
return hr;
|
|
|
|
IDWriteLocalizedStrings_FindLocaleName(name, enusW, &index, &exists);
|
|
IDWriteLocalizedStrings_GetString(name, index, logfont->lfFaceName, sizeof(logfont->lfFaceName)/sizeof(WCHAR));
|
|
IDWriteLocalizedStrings_Release(name);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI gdiinterop_ConvertFontFaceToLOGFONT(IDWriteGdiInterop *iface,
|
|
IDWriteFontFace *fontface, LOGFONTW *logfont)
|
|
{
|
|
static const WCHAR enusW[] = {'e','n','-','u','s',0};
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
IDWriteLocalizedStrings *familynames;
|
|
DWRITE_FONT_SIMULATIONS simulations;
|
|
DWRITE_FONT_FACE_TYPE face_type;
|
|
struct dwrite_font_props props;
|
|
IDWriteFontFileStream *stream;
|
|
IDWriteFontFile *file = NULL;
|
|
UINT32 index;
|
|
BOOL exists;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p %p)\n", This, fontface, logfont);
|
|
|
|
memset(logfont, 0, sizeof(*logfont));
|
|
|
|
index = 1;
|
|
hr = IDWriteFontFace_GetFiles(fontface, &index, &file);
|
|
if (FAILED(hr) || !file)
|
|
return hr;
|
|
|
|
hr = get_filestream_from_file(file, &stream);
|
|
if (FAILED(hr)) {
|
|
IDWriteFontFile_Release(file);
|
|
return hr;
|
|
}
|
|
|
|
index = IDWriteFontFace_GetIndex(fontface);
|
|
face_type = IDWriteFontFace_GetType(fontface);
|
|
opentype_get_font_properties(stream, face_type, index, &props);
|
|
hr = opentype_get_font_familyname(stream, index, face_type, &familynames);
|
|
IDWriteFontFile_Release(file);
|
|
IDWriteFontFileStream_Release(stream);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
simulations = IDWriteFontFace_GetSimulations(fontface);
|
|
|
|
logfont->lfCharSet = DEFAULT_CHARSET;
|
|
logfont->lfWeight = props.weight;
|
|
logfont->lfItalic = props.style == DWRITE_FONT_STYLE_ITALIC || (simulations & DWRITE_FONT_SIMULATIONS_OBLIQUE);
|
|
logfont->lfOutPrecision = OUT_OUTLINE_PRECIS;
|
|
logfont->lfFaceName[0] = 0;
|
|
|
|
exists = FALSE;
|
|
hr = IDWriteLocalizedStrings_FindLocaleName(familynames, enusW, &index, &exists);
|
|
if (FAILED(hr) || !exists) {
|
|
/* fallback to 0 index */
|
|
if (IDWriteLocalizedStrings_GetCount(familynames) > 0)
|
|
index = 0;
|
|
else {
|
|
IDWriteLocalizedStrings_Release(familynames);
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
|
|
hr = IDWriteLocalizedStrings_GetString(familynames, index, logfont->lfFaceName, sizeof(logfont->lfFaceName)/sizeof(WCHAR));
|
|
IDWriteLocalizedStrings_Release(familynames);
|
|
|
|
return hr;
|
|
}
|
|
|
|
struct font_realization_info {
|
|
DWORD size;
|
|
DWORD flags;
|
|
DWORD cache_num;
|
|
DWORD instance_id;
|
|
DWORD unk;
|
|
DWORD face_index;
|
|
};
|
|
|
|
struct font_fileinfo {
|
|
FILETIME writetime;
|
|
LARGE_INTEGER size;
|
|
WCHAR path[1];
|
|
};
|
|
|
|
/* Undocumented gdi32 exports, used to access actually selected font information */
|
|
extern BOOL WINAPI GetFontRealizationInfo(HDC hdc, struct font_realization_info *info);
|
|
extern BOOL WINAPI GetFontFileInfo(DWORD instance_id, DWORD unknown, struct font_fileinfo *info, DWORD size, DWORD *needed);
|
|
|
|
static HRESULT WINAPI gdiinterop_CreateFontFaceFromHdc(IDWriteGdiInterop *iface,
|
|
HDC hdc, IDWriteFontFace **fontface)
|
|
{
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
struct font_realization_info info;
|
|
struct font_fileinfo *fileinfo;
|
|
DWRITE_FONT_FILE_TYPE filetype;
|
|
DWRITE_FONT_FACE_TYPE facetype;
|
|
IDWriteFontFile *file;
|
|
BOOL is_supported;
|
|
UINT32 facenum;
|
|
DWORD needed;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p %p)\n", This, hdc, fontface);
|
|
|
|
*fontface = NULL;
|
|
|
|
if (!hdc)
|
|
return E_INVALIDARG;
|
|
|
|
/* get selected font id */
|
|
info.size = sizeof(info);
|
|
if (!GetFontRealizationInfo(hdc, &info)) {
|
|
WARN("failed to get selected font id\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
needed = 0;
|
|
GetFontFileInfo(info.instance_id, 0, NULL, 0, &needed);
|
|
if (needed == 0) {
|
|
WARN("failed to get font file info size\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
fileinfo = heap_alloc(needed);
|
|
if (!fileinfo)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if (!GetFontFileInfo(info.instance_id, 0, fileinfo, needed, &needed)) {
|
|
heap_free(fileinfo);
|
|
return E_FAIL;
|
|
}
|
|
|
|
hr = IDWriteFactory2_CreateFontFileReference(This->factory, fileinfo->path, &fileinfo->writetime,
|
|
&file);
|
|
heap_free(fileinfo);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
is_supported = FALSE;
|
|
hr = IDWriteFontFile_Analyze(file, &is_supported, &filetype, &facetype, &facenum);
|
|
if (FAILED(hr) || !is_supported) {
|
|
IDWriteFontFile_Release(file);
|
|
return hr;
|
|
}
|
|
|
|
hr = IDWriteFactory2_CreateFontFace(This->factory, facetype, 1, &file, info.face_index, DWRITE_FONT_SIMULATIONS_NONE,
|
|
fontface);
|
|
IDWriteFontFile_Release(file);
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI gdiinterop_CreateBitmapRenderTarget(IDWriteGdiInterop *iface,
|
|
HDC hdc, UINT32 width, UINT32 height, IDWriteBitmapRenderTarget **target)
|
|
{
|
|
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
|
|
TRACE("(%p)->(%p %u %u %p)\n", This, hdc, width, height, target);
|
|
return create_rendertarget((IDWriteFactory*)This->factory, hdc, width, height, target);
|
|
}
|
|
|
|
static const struct IDWriteGdiInteropVtbl gdiinteropvtbl = {
|
|
gdiinterop_QueryInterface,
|
|
gdiinterop_AddRef,
|
|
gdiinterop_Release,
|
|
gdiinterop_CreateFontFromLOGFONT,
|
|
gdiinterop_ConvertFontToLOGFONT,
|
|
gdiinterop_ConvertFontFaceToLOGFONT,
|
|
gdiinterop_CreateFontFaceFromHdc,
|
|
gdiinterop_CreateBitmapRenderTarget
|
|
};
|
|
|
|
HRESULT create_gdiinterop(IDWriteFactory2 *factory, IDWriteGdiInterop **ret)
|
|
{
|
|
struct gdiinterop *This;
|
|
|
|
*ret = NULL;
|
|
|
|
This = heap_alloc(sizeof(struct gdiinterop));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->IDWriteGdiInterop_iface.lpVtbl = &gdiinteropvtbl;
|
|
This->factory = factory;
|
|
|
|
*ret= &This->IDWriteGdiInterop_iface;
|
|
return S_OK;
|
|
}
|
|
|
|
void release_gdiinterop(IDWriteGdiInterop *iface)
|
|
{
|
|
struct gdiinterop *interop = impl_from_IDWriteGdiInterop(iface);
|
|
heap_free(interop);
|
|
}
|