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-rw-r--r--core/src/fxge/ge/fx_ge_text.cpp41
1 files changed, 37 insertions, 4 deletions
diff --git a/core/src/fxge/ge/fx_ge_text.cpp b/core/src/fxge/ge/fx_ge_text.cpp
index 1cdf5b2ef3..88eeb47218 100644
--- a/core/src/fxge/ge/fx_ge_text.cpp
+++ b/core/src/fxge/ge/fx_ge_text.cpp
@@ -12,6 +12,37 @@
#undef FX_GAMMA_INVERSE
#define FX_GAMMA(value) (value)
#define FX_GAMMA_INVERSE(value) (value)
+
+namespace {
+
+void ResetTransform(FT_Face face) {
+ FXFT_Matrix matrix;
+ matrix.xx = 0x10000L;
+ matrix.xy = 0;
+ matrix.yx = 0;
+ matrix.yy = 0x10000L;
+ FXFT_Set_Transform(face, &matrix, 0);
+}
+
+// Sets the given transform on the font, and resets it to the identity when it
+// goes out of scope.
+class ScopedFontTransform
+{
+public:
+ ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix) : m_Face(face) {
+ FXFT_Set_Transform(m_Face, matrix, 0);
+ }
+
+ ~ScopedFontTransform() {
+ ResetTransform(m_Face);
+ }
+
+private:
+ FT_Face m_Face;
+};
+
+}
+
FX_RECT FXGE_GetGlyphsBBox(FXTEXT_GLYPHPOS* pGlyphAndPos, int nChars, int anti_alias, FX_FLOAT retinaScaleX, FX_FLOAT retinaScaleY)
{
FX_RECT rect(0, 0, 0, 0);
@@ -1312,7 +1343,7 @@ CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont, FX_DWORD glyph_inde
pFont->AdjustMMParams(glyph_index, dest_width, pFont->GetSubstFont()->m_Weight);
}
}
- FXFT_Set_Transform(m_Face, &ft_matrix, 0);
+ ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT) ? FXFT_LOAD_NO_BITMAP : (FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING);
int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
if (error) {
@@ -1456,6 +1487,8 @@ FX_BOOL OutputText(void* dib, int x, int y, CFX_Font* pFont, double font_size,
glyph_index, argb);
x_pos += (FX_FLOAT)w / em;
}
+ if (pText_matrix)
+ ResetTransform(face);
return TRUE;
}
FX_BOOL OutputGlyph(void* dib, int x, int y, CFX_Font* pFont, double font_size,
@@ -1472,7 +1505,7 @@ FX_BOOL OutputGlyph(void* dib, int x, int y, CFX_Font* pFont, double font_size,
ft_matrix.xy = ft_matrix.yx = 0;
ft_matrix.yy = (signed long)(font_size / 64 * 65536);
}
- FXFT_Set_Transform(pFont->m_Face, &ft_matrix, 0);
+ ScopedFontTransform scoped_transform(pFont->m_Face, &ft_matrix);
FX_BOOL ret = _OutputGlyph(dib, x, y, pFont,
glyph_index, argb);
return ret;
@@ -1621,8 +1654,8 @@ CFX_PathData* CFX_Font::LoadGlyphPath(FX_DWORD glyph_index, int dest_width)
AdjustMMParams(glyph_index, dest_width, m_pSubstFont->m_Weight);
}
}
- FXFT_Set_Transform(m_Face, &ft_matrix, 0);
- int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT) ? FXFT_LOAD_NO_BITMAP : FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING;
+ ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
+ int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT) ? FXFT_LOAD_NO_BITMAP : FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING;
int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
if (error) {
return NULL;