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Add synthetic bold hack to better support Geneva CY

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This commit is contained in:
elasota
2021-04-16 00:25:30 -04:00
parent 141f840888
commit 3d3f839801
5 changed files with 221 additions and 13 deletions
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19
GpFontHandler_FreeType2/GpFontHandler_FreeType2.cpp
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@@ -40,8 +40,9 @@ class GpFont_FreeType2 final : public IGpFont
{
public:
void Destroy() override;
IGpFontRenderedGlyph *Render(uint32_t unicodeCodePoint, unsigned int size, bool aa) override;
IGpFontRenderedGlyph *Render(uint32_t unicodeCodePoint, unsigned int size, unsigned int xScale, unsigned int yScale, bool aa) override;
bool GetLineSpacing(unsigned int size, int32_t &outSpacing) override;
bool SupportScaling() const override;
static GpFont_FreeType2 *Create(const FT_StreamRec_ &streamRec, GpIOStream *stream);
@@ -107,7 +108,7 @@ void GpFont_FreeType2::Destroy()
free(this);
}
IGpFontRenderedGlyph *GpFont_FreeType2::Render(uint32_t unicodeCodePoint, unsigned int size, bool aa)
IGpFontRenderedGlyph *GpFont_FreeType2::Render(uint32_t unicodeCodePoint, unsigned int size, unsigned int xScale, unsigned int yScale, bool aa)
{
if (m_currentSize != size)
{
@@ -117,6 +118,14 @@ IGpFontRenderedGlyph *GpFont_FreeType2::Render(uint32_t unicodeCodePoint, unsign
m_currentSize = size;
}
FT_Matrix transform;
transform.xx = xScale << 16;
transform.xy = 0;
transform.yx = 0;
transform.yy = yScale << 16;
FT_Set_Transform(m_face, &transform, nullptr);
FT_UInt glyphIndex = FT_Get_Char_Index(m_face, unicodeCodePoint);
if (!glyphIndex)
return nullptr;
@@ -247,6 +256,10 @@ bool GpFont_FreeType2::GetLineSpacing(unsigned int size, int32_t &outSpacing)
return true;
}
bool GpFont_FreeType2::SupportScaling() const
{
return true;
}
GpFont_FreeType2 *GpFont_FreeType2::Create(const FT_StreamRec_ &streamRec, GpIOStream *stream)
{
@@ -268,6 +281,8 @@ bool GpFont_FreeType2::FTLoad(const FT_Library &library, int typeFaceIndex)
if (errorCode != 0)
return false;
FT_Matrix transform;
return true;
}