Sweden-Number/dlls/dwrite/gdiinterop.c

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/*
* GDI Interop
*
* Copyright 2012, 2014 Nikolay Sivov for CodeWeavers
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*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
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#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
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#include "dwrite_private.h"
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#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
static const DWRITE_MATRIX identity =
{
1.0f, 0.0f,
0.0f, 1.0f,
0.0f, 0.0f
};
struct gdiinterop {
IDWriteGdiInterop IDWriteGdiInterop_iface;
IDWriteFactory *factory;
};
struct rendertarget {
IDWriteBitmapRenderTarget1 IDWriteBitmapRenderTarget1_iface;
LONG ref;
DWRITE_TEXT_ANTIALIAS_MODE antialiasmode;
FLOAT pixels_per_dip;
DWRITE_MATRIX m;
SIZE size;
HDC hdc;
};
static HRESULT create_target_dibsection(HDC hdc, UINT32 width, UINT32 height)
{
char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *bmi = (BITMAPINFO*)bmibuf;
HBITMAP hbm;
memset(bmi, 0, sizeof(bmibuf));
bmi->bmiHeader.biSize = sizeof(bmi->bmiHeader);
bmi->bmiHeader.biHeight = height;
bmi->bmiHeader.biWidth = width;
bmi->bmiHeader.biBitCount = 32;
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biCompression = BI_RGB;
hbm = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, NULL, NULL, 0);
if (!hbm)
hbm = CreateBitmap(1, 1, 1, 1, NULL);
DeleteObject(SelectObject(hdc, hbm));
return S_OK;
}
static inline struct rendertarget *impl_from_IDWriteBitmapRenderTarget1(IDWriteBitmapRenderTarget1 *iface)
{
return CONTAINING_RECORD(iface, struct rendertarget, IDWriteBitmapRenderTarget1_iface);
}
static inline struct gdiinterop *impl_from_IDWriteGdiInterop(IDWriteGdiInterop *iface)
{
return CONTAINING_RECORD(iface, struct gdiinterop, IDWriteGdiInterop_iface);
}
static HRESULT WINAPI rendertarget_QueryInterface(IDWriteBitmapRenderTarget1 *iface, REFIID riid, void **obj)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IDWriteBitmapRenderTarget1) ||
IsEqualIID(riid, &IID_IDWriteBitmapRenderTarget) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IDWriteBitmapRenderTarget1_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI rendertarget_AddRef(IDWriteBitmapRenderTarget1 *iface)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI rendertarget_Release(IDWriteBitmapRenderTarget1 *iface)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
DeleteDC(This->hdc);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI rendertarget_DrawGlyphRun(IDWriteBitmapRenderTarget1 *iface,
FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_MEASURING_MODE measuring_mode,
DWRITE_GLYPH_RUN const* glyph_run, IDWriteRenderingParams* params, COLORREF textColor,
RECT *blackbox_rect)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
FIXME("(%p)->(%f %f %d %p %p 0x%08x %p): stub\n", This, baselineOriginX, baselineOriginY,
measuring_mode, glyph_run, params, textColor, blackbox_rect);
return E_NOTIMPL;
}
static HDC WINAPI rendertarget_GetMemoryDC(IDWriteBitmapRenderTarget1 *iface)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
TRACE("(%p)\n", This);
return This->hdc;
}
static FLOAT WINAPI rendertarget_GetPixelsPerDip(IDWriteBitmapRenderTarget1 *iface)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
TRACE("(%p)\n", This);
return This->pixels_per_dip;
}
static HRESULT WINAPI rendertarget_SetPixelsPerDip(IDWriteBitmapRenderTarget1 *iface, FLOAT pixels_per_dip)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
TRACE("(%p)->(%.2f)\n", This, pixels_per_dip);
if (pixels_per_dip <= 0.0)
return E_INVALIDARG;
This->pixels_per_dip = pixels_per_dip;
return S_OK;
}
static HRESULT WINAPI rendertarget_GetCurrentTransform(IDWriteBitmapRenderTarget1 *iface, DWRITE_MATRIX *transform)
{
struct rendertarget *This = impl_from_IDWriteBitmapRenderTarget1(iface);
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->hdc, 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(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->ref = 1;
target->size.cx = width;
target->size.cy = height;
target->hdc = CreateCompatibleDC(hdc);
hr = create_target_dibsection(target->hdc, width, height);
if (FAILED(hr)) {
IDWriteBitmapRenderTarget1_Release(&target->IDWriteBitmapRenderTarget1_iface);
return hr;
}
target->m = identity;
target->pixels_per_dip = 1.0;
target->antialiasmode = DWRITE_TEXT_ANTIALIAS_MODE_CLEARTYPE;
*ret = (IDWriteBitmapRenderTarget*)&target->IDWriteBitmapRenderTarget1_iface;
return S_OK;
}
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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);
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if (IsEqualIID(riid, &IID_IDWriteGdiInterop) ||
IsEqualIID(riid, &IID_IUnknown))
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{
*obj = iface;
IDWriteGdiInterop_AddRef(iface);
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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 IDWriteFactory_AddRef(This->factory);
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}
static ULONG WINAPI gdiinterop_Release(IDWriteGdiInterop *iface)
{
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
TRACE("(%p)\n", This);
return IDWriteFactory_Release(This->factory);
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}
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 = IDWriteFactory_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;
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}
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;
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;
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}
static HRESULT WINAPI gdiinterop_ConvertFontFaceToLOGFONT(IDWriteGdiInterop *iface,
IDWriteFontFace *fontface, LOGFONTW *logfont)
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{
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
TRACE("(%p)->(%p %p)\n", This, fontface, logfont);
return convert_fontface_to_logfont(fontface, logfont);
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}
static HRESULT WINAPI gdiinterop_CreateFontFaceFromHdc(IDWriteGdiInterop *iface,
HDC hdc, IDWriteFontFace **fontface)
{
struct gdiinterop *This = impl_from_IDWriteGdiInterop(iface);
IDWriteFont *font;
LOGFONTW logfont;
HFONT hfont;
HRESULT hr;
TRACE("(%p)->(%p %p)\n", This, hdc, fontface);
*fontface = NULL;
hfont = GetCurrentObject(hdc, OBJ_FONT);
if (!hfont)
return E_INVALIDARG;
GetObjectW(hfont, sizeof(logfont), &logfont);
hr = IDWriteGdiInterop_CreateFontFromLOGFONT(iface, &logfont, &font);
if (FAILED(hr))
return hr;
hr = IDWriteFont_CreateFontFace(font, fontface);
IDWriteFont_Release(font);
return hr;
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}
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(hdc, width, height, target);
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}
static const struct IDWriteGdiInteropVtbl gdiinteropvtbl = {
gdiinterop_QueryInterface,
gdiinterop_AddRef,
gdiinterop_Release,
gdiinterop_CreateFontFromLOGFONT,
gdiinterop_ConvertFontToLOGFONT,
gdiinterop_ConvertFontFaceToLOGFONT,
gdiinterop_CreateFontFaceFromHdc,
gdiinterop_CreateBitmapRenderTarget
};
HRESULT create_gdiinterop(IDWriteFactory *factory, IDWriteGdiInterop **ret)
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{
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;
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return S_OK;
}
void release_gdiinterop(IDWriteGdiInterop *iface)
{
struct gdiinterop *interop = impl_from_IDWriteGdiInterop(iface);
heap_free(interop);
}