/* Copyright 2006-2008, Google Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License"); 
** you may not use this file except in compliance with the License. 
** You may obtain a copy of the License at 
**
**     http://www.apache.org/licenses/LICENSE-2.0 
**
** Unless required by applicable law or agreed to in writing, software 
** distributed under the License is distributed on an "AS IS" BASIS, 
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
** See the License for the specific language governing permissions and 
** limitations under the License.
*/

#include "SkFontHost.h"

SkTypeface* SkFontHost::FindTypeface(const SkTypeface* familyFace,
                                     const char famillyName[],
                                     SkTypeface::Style style)
{
    SkASSERT(!"SkFontHost::FindTypeface unimplemented");
    return NULL;
}

SkTypeface* SkFontHost::ResolveTypeface(uint32_t uniqueID)
{
    SkASSERT(!"SkFontHost::ResolveTypeface unimplemented");
    return NULL;
}

SkStream* SkFontHost::OpenStream(uint32_t uniqueID)
{
    SkASSERT(!"SkFontHost::OpenStream unimplemented");
    return NULL;
}

void SkFontHost::CloseStream(uint32_t uniqueID, SkStream*)
{
    SkASSERT(!"SkFontHost::CloseStream unimplemented");
}

SkTypeface* SkFontHost::CreateTypeface(SkStream*)
{
    SkASSERT(!"SkFontHost::CreateTypeface unimplemented");
    return NULL;
}

///////////////////////////////////////////////////////////////////////////////

SkScalerContext* SkFontHost::CreateScalerContext(const SkDescriptor* desc)
{
    SkASSERT(!"SkFontHost::CreateScalarContext unimplemented");
    return NULL;
}

SkScalerContext* SkFontHost::CreateFallbackScalerContext(const SkScalerContext::Rec&)
{
    SkASSERT(!"SkFontHost::CreateFallbackScalerContext unimplemented");
    return NULL;
}

///////////////////////////////////////////////////////////////////////////////

size_t SkFontHost::ShouldPurgeFontCache(size_t sizeAllocatedSoFar)
{
    return 0;   // nothing to do (change me if you want to limit the font cache)
}

int SkFontHost::ComputeGammaFlag(const SkPaint& paint)
{
    return 0;
}

void SkFontHost::GetGammaTables(const uint8_t* tables[2])
{
    tables[0] = NULL;   // black gamma (e.g. exp=1.4)
    tables[1] = NULL;   // white gamma (e.g. exp= 1/1.4)
}

///////////////////////////////////////////////////////////////////////////////

SkTypeface* SkFontHost::Deserialize(SkStream* stream) {
    SkASSERT(!"SkFontHost::Deserialize unimplemented");
    return NULL;
}

void SkFontHost::Serialize(const SkTypeface*, SkWStream*) {
    SkASSERT(!"SkFontHost::Serialize unimplemented");
}