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Sweden-Number/dlls/d3dx9_36/font.c

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/*
* Copyright (C) 2008 Tony Wasserka
*
* 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
*
*/
#include "d3dx9_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
struct d3dx_glyph
{
unsigned int id;
RECT black_box;
POINT cell_inc;
IDirect3DTexture9 *texture;
struct wine_rb_entry entry;
};
struct d3dx_font
{
ID3DXFont ID3DXFont_iface;
LONG ref;
IDirect3DDevice9 *device;
D3DXFONT_DESCW desc;
TEXTMETRICW metrics;
HDC hdc;
HFONT hfont;
struct wine_rb_tree glyph_tree;
IDirect3DTexture9 **textures;
unsigned int texture_count, texture_pos;
unsigned int texture_size, glyph_size, glyphs_per_texture;
};
static int glyph_rb_compare(const void *key, const struct wine_rb_entry *entry)
{
struct d3dx_glyph *glyph = WINE_RB_ENTRY_VALUE(entry, struct d3dx_glyph, entry);
unsigned int id = (UINT_PTR)key;
return id - glyph->id;
}
static void glyph_rb_free(struct wine_rb_entry *entry, void *context)
{
struct d3dx_glyph *glyph = WINE_RB_ENTRY_VALUE(entry, struct d3dx_glyph, entry);
heap_free(glyph);
}
static inline struct d3dx_font *impl_from_ID3DXFont(ID3DXFont *iface)
{
return CONTAINING_RECORD(iface, struct d3dx_font, ID3DXFont_iface);
}
static HRESULT WINAPI ID3DXFontImpl_QueryInterface(ID3DXFont *iface, REFIID riid, void **out)
{
TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
if (IsEqualGUID(riid, &IID_ID3DXFont)
|| IsEqualGUID(riid, &IID_IUnknown))
{
IUnknown_AddRef(iface);
*out = iface;
return S_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI ID3DXFontImpl_AddRef(ID3DXFont *iface)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
ULONG ref = InterlockedIncrement(&font->ref);
TRACE("%p increasing refcount to %u\n", iface, ref);
return ref;
}
static ULONG WINAPI ID3DXFontImpl_Release(ID3DXFont *iface)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
ULONG ref = InterlockedDecrement(&font->ref);
unsigned int i;
TRACE("%p decreasing refcount to %u\n", iface, ref);
if (!ref)
{
for (i = 0; i < font->texture_count; ++i)
IDirect3DTexture9_Release(font->textures[i]);
heap_free(font->textures);
wine_rb_destroy(&font->glyph_tree, glyph_rb_free, NULL);
DeleteObject(font->hfont);
DeleteDC(font->hdc);
IDirect3DDevice9_Release(font->device);
heap_free(font);
}
return ref;
}
static HRESULT WINAPI ID3DXFontImpl_GetDevice(ID3DXFont *iface, IDirect3DDevice9 **device)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
TRACE("iface %p, device %p\n", iface, device);
if( !device ) return D3DERR_INVALIDCALL;
*device = font->device;
IDirect3DDevice9_AddRef(font->device);
return D3D_OK;
}
static HRESULT WINAPI ID3DXFontImpl_GetDescA(ID3DXFont *iface, D3DXFONT_DESCA *desc)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
TRACE("iface %p, desc %p\n", iface, desc);
if( !desc ) return D3DERR_INVALIDCALL;
memcpy(desc, &font->desc, FIELD_OFFSET(D3DXFONT_DESCA, FaceName));
WideCharToMultiByte(CP_ACP, 0, font->desc.FaceName, -1, desc->FaceName, ARRAY_SIZE(desc->FaceName), NULL, NULL);
return D3D_OK;
}
static HRESULT WINAPI ID3DXFontImpl_GetDescW(ID3DXFont *iface, D3DXFONT_DESCW *desc)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
TRACE("iface %p, desc %p\n", iface, desc);
if( !desc ) return D3DERR_INVALIDCALL;
*desc = font->desc;
return D3D_OK;
}
static BOOL WINAPI ID3DXFontImpl_GetTextMetricsA(ID3DXFont *iface, TEXTMETRICA *metrics)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
TRACE("iface %p, metrics %p\n", iface, metrics);
return GetTextMetricsA(font->hdc, metrics);
}
static BOOL WINAPI ID3DXFontImpl_GetTextMetricsW(ID3DXFont *iface, TEXTMETRICW *metrics)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
TRACE("iface %p, metrics %p\n", iface, metrics);
return GetTextMetricsW(font->hdc, metrics);
}
static HDC WINAPI ID3DXFontImpl_GetDC(ID3DXFont *iface)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
TRACE("iface %p\n", iface);
return font->hdc;
}
static HRESULT WINAPI ID3DXFontImpl_GetGlyphData(ID3DXFont *iface, UINT glyph,
IDirect3DTexture9 **texture, RECT *black_box, POINT *cell_inc)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
struct wine_rb_entry *entry;
HRESULT hr;
TRACE("iface %p, glyph %#x, texture %p, black_box %p, cell_inc %p.\n",
iface, glyph, texture, black_box, cell_inc);
hr = ID3DXFont_PreloadGlyphs(iface, glyph, glyph);
if (FAILED(hr))
return hr;
entry = wine_rb_get(&font->glyph_tree, ULongToPtr(glyph));
if (entry)
{
struct d3dx_glyph *current_glyph = WINE_RB_ENTRY_VALUE(entry, struct d3dx_glyph, entry);
if (cell_inc)
*cell_inc = current_glyph->cell_inc;
if (black_box)
*black_box = current_glyph->black_box;
if (texture)
{
*texture = current_glyph->texture;
if (*texture)
IDirect3DTexture9_AddRef(current_glyph->texture);
}
return D3D_OK;
}
return D3DXERR_INVALIDDATA;
}
static HRESULT WINAPI ID3DXFontImpl_PreloadCharacters(ID3DXFont *iface, UINT first, UINT last)
{
struct d3dx_font *font = impl_from_ID3DXFont(iface);
unsigned int i, count, start, end;
WORD *indices;
WCHAR *chars;
TRACE("iface %p, first %u, last %u.\n", iface, first, last);
if (last < first)
return D3D_OK;
count = last - first + 1;
indices = heap_alloc(count * sizeof(*indices));
if (!indices)
return E_OUTOFMEMORY;
chars = heap_alloc(count * sizeof(*chars));
if (!chars)
{
heap_free(indices);
return E_OUTOFMEMORY;
}
for (i = 0; i < count; ++i)
chars[i] = first + i;
GetGlyphIndicesW(font->hdc, chars, count, indices, 0);
start = end = indices[0];
for (i = 1; i < count; ++i)
{
if (indices[i] == end + 1)
{
end = indices[i];
continue;
}
ID3DXFont_PreloadGlyphs(iface, start, end);
start = end = indices[i];
}
ID3DXFont_PreloadGlyphs(iface, start, end);
heap_free(chars);
heap_free(indices);
return D3D_OK;
}
static uint32_t morton_decode(uint32_t x)
{
x &= 0x55555555;
x = (x ^ (x >> 1)) & 0x33333333;
x = (x ^ (x >> 2)) & 0x0f0f0f0f;
x = (x ^ (x >> 4)) & 0x00ff00ff;
x = (x ^ (x >> 8)) & 0x0000ffff;
return x;
}
/* The glyphs are stored in a grid. Cell sizes vary between different font
* sizes.
*
* The grid is filled in Morton order:
* 1 2 5 6 17 18 21 22
* 3 4 7 8 19 20 23 24
* 9 10 13 14 25 26 29 30
* 11 12 15 16 27 28 31 32
* 33 34 ...
* ...
*
* i.e. we try to fill one small square, then three equal-sized squares so
* that we get one big square, etc.
*
* The glyphs are positioned around their baseline, which is located at y
* position glyph_size * i + tmAscent. Concerning the x position, the glyphs
* are centered around glyph_size * (i + 0.5). */
static HRESULT WINAPI ID3DXFontImpl_PreloadGlyphs(ID3DXFont *iface, UINT first, UINT last)
{
static const MAT2 mat = { {0,1}, {0,0}, {0,0}, {0,1} };
struct d3dx_font *font = impl_from_ID3DXFont(iface);
IDirect3DTexture9 *current_texture = NULL;
unsigned int size, stride, glyph, x, y;
struct d3dx_glyph *current_glyph;
D3DLOCKED_RECT lockrect;
GLYPHMETRICS metrics;
BOOL mapped = FALSE;
DWORD *pixel_data;
BYTE *buffer;
HRESULT hr;
TRACE("iface %p, first %u, last %u.\n", iface, first, last);
if (last < first)
return D3D_OK;
if (font->texture_count)
current_texture = font->textures[font->texture_count - 1];
for (glyph = first; glyph <= last; ++glyph)
{
if (wine_rb_get(&font->glyph_tree, ULongToPtr(glyph)))
continue;
current_glyph = heap_alloc(sizeof(*current_glyph));
if (!current_glyph)
{
if (mapped)
IDirect3DTexture9_UnlockRect(current_texture, 0);
return E_OUTOFMEMORY;
}
current_glyph->id = glyph;
current_glyph->texture = NULL;
wine_rb_put(&font->glyph_tree, ULongToPtr(current_glyph->id), &current_glyph->entry);
size = GetGlyphOutlineW(font->hdc, glyph, GGO_GLYPH_INDEX | GGO_GRAY8_BITMAP, &metrics, 0, NULL, &mat);
if (size == GDI_ERROR)
{
WARN("GetGlyphOutlineW failed.\n");
continue;
}
if (!size)
continue;
buffer = heap_alloc(size);
if (!buffer)
{
if (mapped)
IDirect3DTexture9_UnlockRect(current_texture, 0);
return E_OUTOFMEMORY;
}
GetGlyphOutlineW(font->hdc, glyph, GGO_GLYPH_INDEX | GGO_GRAY8_BITMAP, &metrics, size, buffer, &mat);
if (font->texture_pos == font->glyphs_per_texture)
{
unsigned int new_texture_count = font->texture_count + 1;
IDirect3DTexture9 **new_textures;
if (mapped)
IDirect3DTexture9_UnlockRect(current_texture, 0);
mapped = FALSE;
new_textures = heap_realloc(font->textures, new_texture_count * sizeof(*new_textures));
if (!new_textures)
{
heap_free(buffer);
return E_OUTOFMEMORY;
}
font->textures = new_textures;
if (FAILED(hr = IDirect3DDevice9_CreateTexture(font->device, font->texture_size,
font->texture_size, 0, 0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED,
&font->textures[font->texture_count], NULL)))
{
heap_free(buffer);
return hr;
}
current_texture = font->textures[font->texture_count++];
font->texture_pos = 0;
}
if (!mapped)
{
if (FAILED(hr = IDirect3DTexture9_LockRect(current_texture, 0, &lockrect, NULL, 0)))
{
heap_free(buffer);
return hr;
}
mapped = TRUE;
}
x = morton_decode(font->texture_pos) * font->glyph_size;
y = morton_decode(font->texture_pos >> 1) * font->glyph_size;
current_glyph->black_box.left = x - metrics.gmptGlyphOrigin.x + font->glyph_size / 2
- metrics.gmBlackBoxX / 2;
current_glyph->black_box.top = y - metrics.gmptGlyphOrigin.y + font->metrics.tmAscent + 1;
current_glyph->black_box.right = current_glyph->black_box.left + metrics.gmBlackBoxX;
current_glyph->black_box.bottom = current_glyph->black_box.top + metrics.gmBlackBoxY;
current_glyph->cell_inc.x = metrics.gmptGlyphOrigin.x - 1;
current_glyph->cell_inc.y = font->metrics.tmAscent - metrics.gmptGlyphOrigin.y - 1;
current_glyph->texture = current_texture;
pixel_data = lockrect.pBits;
stride = (metrics.gmBlackBoxX + 3) & ~3;
for (y = 0; y < metrics.gmBlackBoxY; ++y)
for (x = 0; x < metrics.gmBlackBoxX; ++x)
pixel_data[(current_glyph->black_box.top + y) * lockrect.Pitch / 4
+ current_glyph->black_box.left + x] =
(buffer[y * stride + x] * 255 / 64 << 24) | 0x00ffffffu;
heap_free(buffer);
++font->texture_pos;
}
if (mapped)
IDirect3DTexture9_UnlockRect(current_texture, 0);
return D3D_OK;
}
static HRESULT WINAPI ID3DXFontImpl_PreloadTextA(ID3DXFont *iface, const char *string, INT count)
{
FIXME("iface %p, string %s, count %d stub!\n", iface, debugstr_a(string), count);
return E_NOTIMPL;
}
static HRESULT WINAPI ID3DXFontImpl_PreloadTextW(ID3DXFont *iface, const WCHAR *string, INT count)
{
FIXME("iface %p, string %s, count %d stub!\n", iface, debugstr_w(string), count);
return E_NOTIMPL;
}
static INT WINAPI ID3DXFontImpl_DrawTextA(ID3DXFont *iface, ID3DXSprite *sprite,
const char *string, INT count, RECT *rect, DWORD format, D3DCOLOR color)
{
FIXME("iface %p, sprite %p, string %s, count %d, rect %s, format %#x, color 0x%08x stub!\n",
iface, sprite, debugstr_a(string), count, wine_dbgstr_rect(rect), format, color);
return 1;
}
static INT WINAPI ID3DXFontImpl_DrawTextW(ID3DXFont *iface, ID3DXSprite *sprite,
const WCHAR *string, INT count, RECT *rect, DWORD format, D3DCOLOR color)
{
FIXME("iface %p, sprite %p, string %s, count %d, rect %s, format %#x, color 0x%08x stub!\n",
iface, sprite, debugstr_w(string), count, wine_dbgstr_rect(rect), format, color);
return 1;
}
static HRESULT WINAPI ID3DXFontImpl_OnLostDevice(ID3DXFont *iface)
{
FIXME("iface %p stub!\n", iface);
return D3D_OK;
}
static HRESULT WINAPI ID3DXFontImpl_OnResetDevice(ID3DXFont *iface)
{
FIXME("iface %p stub\n", iface);
return D3D_OK;
}
static const ID3DXFontVtbl D3DXFont_Vtbl =
{
/*** IUnknown methods ***/
ID3DXFontImpl_QueryInterface,
ID3DXFontImpl_AddRef,
ID3DXFontImpl_Release,
/*** ID3DXFont methods ***/
ID3DXFontImpl_GetDevice,
ID3DXFontImpl_GetDescA,
ID3DXFontImpl_GetDescW,
ID3DXFontImpl_GetTextMetricsA,
ID3DXFontImpl_GetTextMetricsW,
ID3DXFontImpl_GetDC,
ID3DXFontImpl_GetGlyphData,
ID3DXFontImpl_PreloadCharacters,
ID3DXFontImpl_PreloadGlyphs,
ID3DXFontImpl_PreloadTextA,
ID3DXFontImpl_PreloadTextW,
ID3DXFontImpl_DrawTextA,
ID3DXFontImpl_DrawTextW,
ID3DXFontImpl_OnLostDevice,
ID3DXFontImpl_OnResetDevice
};
HRESULT WINAPI D3DXCreateFontA(struct IDirect3DDevice9 *device, INT height, UINT width,
UINT weight, UINT miplevels, BOOL italic, DWORD charset, DWORD precision, DWORD quality,
DWORD pitchandfamily, const char *facename, struct ID3DXFont **font)
{
D3DXFONT_DESCA desc;
if( !device || !font ) return D3DERR_INVALIDCALL;
desc.Height=height;
desc.Width=width;
desc.Weight=weight;
desc.MipLevels=miplevels;
desc.Italic=italic;
desc.CharSet=charset;
desc.OutputPrecision=precision;
desc.Quality=quality;
desc.PitchAndFamily=pitchandfamily;
if(facename != NULL) lstrcpyA(desc.FaceName, facename);
else desc.FaceName[0] = '\0';
return D3DXCreateFontIndirectA(device, &desc, font);
}
HRESULT WINAPI D3DXCreateFontW(IDirect3DDevice9 *device, INT height, UINT width, UINT weight, UINT miplevels, BOOL italic, DWORD charset,
DWORD precision, DWORD quality, DWORD pitchandfamily, const WCHAR *facename, ID3DXFont **font)
{
D3DXFONT_DESCW desc;
if( !device || !font ) return D3DERR_INVALIDCALL;
desc.Height=height;
desc.Width=width;
desc.Weight=weight;
desc.MipLevels=miplevels;
desc.Italic=italic;
desc.CharSet=charset;
desc.OutputPrecision=precision;
desc.Quality=quality;
desc.PitchAndFamily=pitchandfamily;
if(facename != NULL) lstrcpyW(desc.FaceName, facename);
else desc.FaceName[0] = '\0';
return D3DXCreateFontIndirectW(device, &desc, font);
}
/***********************************************************************
* D3DXCreateFontIndirectA (D3DX9_36.@)
*/
HRESULT WINAPI D3DXCreateFontIndirectA(IDirect3DDevice9 *device, const D3DXFONT_DESCA *desc, ID3DXFont **font)
{
D3DXFONT_DESCW widedesc;
if( !device || !desc || !font ) return D3DERR_INVALIDCALL;
/* Copy everything but the last structure member. This requires the
two D3DXFONT_DESC structures to be equal until the FaceName member */
memcpy(&widedesc, desc, FIELD_OFFSET(D3DXFONT_DESCA, FaceName));
MultiByteToWideChar(CP_ACP, 0, desc->FaceName, -1, widedesc.FaceName, ARRAY_SIZE(widedesc.FaceName));
return D3DXCreateFontIndirectW(device, &widedesc, font);
}
/***********************************************************************
* D3DXCreateFontIndirectW (D3DX9_36.@)
*/
HRESULT WINAPI D3DXCreateFontIndirectW(IDirect3DDevice9 *device, const D3DXFONT_DESCW *desc, ID3DXFont **font)
{
D3DDEVICE_CREATION_PARAMETERS cpars;
struct d3dx_font *object;
D3DDISPLAYMODE mode;
IDirect3D9 *d3d;
HRESULT hr;
TRACE("(%p, %p, %p)\n", device, desc, font);
if( !device || !desc || !font ) return D3DERR_INVALIDCALL;
/* the device MUST support D3DFMT_A8R8G8B8 */
IDirect3DDevice9_GetDirect3D(device, &d3d);
IDirect3DDevice9_GetCreationParameters(device, &cpars);
IDirect3DDevice9_GetDisplayMode(device, 0, &mode);
hr = IDirect3D9_CheckDeviceFormat(d3d, cpars.AdapterOrdinal, cpars.DeviceType, mode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_A8R8G8B8);
if (FAILED(hr))
{
IDirect3D9_Release(d3d);
return D3DXERR_INVALIDDATA;
}
IDirect3D9_Release(d3d);
object = heap_alloc_zero(sizeof(*object));
if (!object)
{
*font = NULL;
return E_OUTOFMEMORY;
}
object->ID3DXFont_iface.lpVtbl = &D3DXFont_Vtbl;
object->ref = 1;
object->device = device;
object->desc = *desc;
object->hdc = CreateCompatibleDC(NULL);
if (!object->hdc)
{
heap_free(object);
return D3DXERR_INVALIDDATA;
}
object->hfont = CreateFontW(desc->Height, desc->Width, 0, 0, desc->Weight, desc->Italic, FALSE, FALSE, desc->CharSet,
desc->OutputPrecision, CLIP_DEFAULT_PRECIS, desc->Quality, desc->PitchAndFamily, desc->FaceName);
if (!object->hfont)
{
DeleteDC(object->hdc);
heap_free(object);
return D3DXERR_INVALIDDATA;
}
SelectObject(object->hdc, object->hfont);
wine_rb_init(&object->glyph_tree, glyph_rb_compare);
if (!GetTextMetricsW(object->hdc, &object->metrics))
{
DeleteObject(object->hfont);
DeleteDC(object->hdc);
heap_free(object);
return D3DXERR_INVALIDDATA;
}
object->glyph_size = make_pow2(object->metrics.tmHeight);
object->texture_size = object->glyph_size;
if (object->glyph_size < 256)
object->texture_size = min(256, object->texture_size * 16);
object->glyphs_per_texture = object->texture_size * object->texture_size
/ (object->glyph_size * object->glyph_size);
object->texture_pos = object->glyphs_per_texture;
IDirect3DDevice9_AddRef(device);
*font = &object->ID3DXFont_iface;
return D3D_OK;
}
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