Signed-off-by: Byeongsik Jeon bsjeon@hanmail.net --- dlls/gdi32/freetype.c | 252 ++++++++++++++++++++++++------------------ 1 file changed, 145 insertions(+), 107 deletions(-)
diff --git a/dlls/gdi32/freetype.c b/dlls/gdi32/freetype.c index f4cb5d5c27..0c3c2fe9e7 100644 --- a/dlls/gdi32/freetype.c +++ b/dlls/gdi32/freetype.c @@ -6859,6 +6859,135 @@ static FT_Vector get_advance_metric(GdiFont *incoming_font, GdiFont *font, return adv; }
+static FT_BBox get_transformed_bbox( const FT_Glyph_Metrics *metrics, + BOOL needs_transform, const FT_Matrix metrices[3] ) +{ + FT_BBox bbox = { 0, 0, 0, 0 }; + + if (!needs_transform) + { + bbox.xMin = (metrics->horiBearingX) & -64; + bbox.xMax = (metrics->horiBearingX + metrics->width + 63) & -64; + bbox.yMax = (metrics->horiBearingY + 63) & -64; + bbox.yMin = (metrics->horiBearingY - metrics->height) & -64; + } + else + { + FT_Vector vec; + INT xc, yc; + + for (xc = 0; xc < 2; xc++) + { + for (yc = 0; yc < 2; yc++) + { + vec.x = metrics->horiBearingX + xc * metrics->width; + vec.y = metrics->horiBearingY - yc * metrics->height; + TRACE( "Vec %ld,i %ld\n", vec.x, vec.y ); + pFT_Vector_Transform( &vec, &metrices[matrix_vert] ); + if (xc == 0 && yc == 0) + { + bbox.xMin = bbox.xMax = vec.x; + bbox.yMin = bbox.yMax = vec.y; + } + else + { + if (vec.x < bbox.xMin) bbox.xMin = vec.x; + else if (vec.x > bbox.xMax) bbox.xMax = vec.x; + if (vec.y < bbox.yMin) bbox.yMin = vec.y; + else if (vec.y > bbox.yMax) bbox.yMax = vec.y; + } + } + } + bbox.xMin = bbox.xMin & -64; + bbox.xMax = (bbox.xMax + 63) & -64; + bbox.yMin = bbox.yMin & -64; + bbox.yMax = (bbox.yMax + 63) & -64; + TRACE( "transformed box: (%ld, %ld - %ld, %ld)\n", bbox.xMin, bbox.yMax, bbox.xMax, bbox.yMin ); + } + + return bbox; +} + +static void compute_metrics( GdiFont *incoming_font, GdiFont *font, + FT_BBox bbox, const FT_Glyph_Metrics *metrics, + BOOL vertical, BOOL vertical_metrics, + BOOL needs_transform, const FT_Matrix matrices[3], + GLYPHMETRICS *gm, ABC *abc ) +{ + FT_Vector adv, vec, origin; + + if (!needs_transform) + { + adv = get_advance_metric( incoming_font, font, metrics, NULL, vertical_metrics ); + gm->gmCellIncX = adv.x >> 6; + gm->gmCellIncY = 0; + origin.x = bbox.xMin; + origin.y = bbox.yMax; + abc->abcA = origin.x >> 6; + abc->abcB = (metrics->width + 63) >> 6; + } + else + { + FT_Pos lsb; + + if (vertical && (font->potm || get_outline_text_metrics( font ))) + { + if (vertical_metrics) + lsb = metrics->horiBearingY + metrics->vertBearingY; + else + lsb = metrics->vertAdvance + (font->potm->otmDescent << 6); + vec.x = lsb; + vec.y = font->potm->otmDescent << 6; + TRACE( "Vec %ld,%ld\n", vec.x>>6, vec.y>>6 ); + pFT_Vector_Transform( &vec, &matrices[matrix_hori] ); + origin.x = (vec.x + bbox.xMin) & -64; + origin.y = (vec.y + bbox.yMax + 63) & -64; + lsb -= metrics->horiBearingY; + } + else + { + origin.x = bbox.xMin; + origin.y = bbox.yMax; + lsb = metrics->horiBearingX; + } + + adv = get_advance_metric( incoming_font, font, metrics, &matrices[matrix_hori], + vertical_metrics ); + gm->gmCellIncX = adv.x >> 6; + gm->gmCellIncY = adv.y >> 6; + + adv = get_advance_metric( incoming_font, font, metrics, &matrices[matrix_unrotated], + vertical_metrics ); + adv.x = pFT_Vector_Length( &adv ); + adv.y = 0; + + vec.x = lsb; + vec.y = 0; + pFT_Vector_Transform( &vec, &matrices[matrix_unrotated] ); + if (lsb > 0) abc->abcA = pFT_Vector_Length( &vec ) >> 6; + else abc->abcA = -((pFT_Vector_Length( &vec ) + 63) >> 6); + + /* We use lsb again to avoid rounding errors */ + vec.x = lsb + (vertical ? metrics->height : metrics->width); + vec.y = 0; + pFT_Vector_Transform( &vec, &matrices[matrix_unrotated] ); + abc->abcB = ((pFT_Vector_Length( &vec ) + 63) >> 6) - abc->abcA; + } + if (!abc->abcB) abc->abcB = 1; + abc->abcC = (adv.x >> 6) - abc->abcA - abc->abcB; + + gm->gmptGlyphOrigin.x = origin.x >> 6; + gm->gmptGlyphOrigin.y = origin.y >> 6; + gm->gmBlackBoxX = (bbox.xMax - bbox.xMin) >> 6; + gm->gmBlackBoxY = (bbox.yMax - bbox.yMin) >> 6; + if (!gm->gmBlackBoxX) gm->gmBlackBoxX = 1; + if (!gm->gmBlackBoxY) gm->gmBlackBoxY = 1; + + TRACE( "gm: %u, %u, %s, %d, %d abc %d, %u, %d\n", + gm->gmBlackBoxX, gm->gmBlackBoxY, wine_dbgstr_point(&gm->gmptGlyphOrigin), + gm->gmCellIncX, gm->gmCellIncY, abc->abcA, abc->abcB, abc->abcC ); +} + static unsigned int get_native_glyph_outline(FT_Outline *outline, unsigned int buflen, char *buf) { TTPOLYGONHEADER *pph; @@ -7101,9 +7230,7 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, DWORD width, height, pitch, needed = 0; FT_Bitmap ft_bitmap; FT_Error err; - INT left, right, top = 0, bottom = 0; - FT_Vector adv; - INT origin_x = 0, origin_y = 0; + FT_BBox bbox; FT_Int load_flags = get_load_flags(format); FT_Matrix matrices[3]; BOOL needsTransform = FALSE; @@ -7173,8 +7300,8 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, if(incoming_font->potm || get_outline_text_metrics(incoming_font) || get_bitmap_text_metrics(incoming_font)) { TEXTMETRICW *ptm = &incoming_font->potm->otmTextMetrics; - top = min( metrics.horiBearingY, ptm->tmAscent << 6 ); - bottom = max( metrics.horiBearingY - metrics.height, -(ptm->tmDescent << 6) ); + INT top = min( metrics.horiBearingY, ptm->tmAscent << 6 ); + INT bottom = max( metrics.horiBearingY - metrics.height, -(ptm->tmDescent << 6) ); metrics.horiBearingY = top; metrics.height = top - bottom;
@@ -7182,102 +7309,10 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, /* metrics.width = min( metrics.width, ptm->tmMaxCharWidth << 6 ); */ }
- if(!needsTransform) { - left = (INT)(metrics.horiBearingX) & -64; - right = (INT)((metrics.horiBearingX + metrics.width) + 63) & -64; - top = (metrics.horiBearingY + 63) & -64; - bottom = (metrics.horiBearingY - metrics.height) & -64; - adv = get_advance_metric(incoming_font, font, &metrics, NULL, vertical_metrics); - gm.gmCellIncX = adv.x >> 6; - gm.gmCellIncY = 0; - origin_x = left; - origin_y = top; - abc->abcA = origin_x >> 6; - abc->abcB = (metrics.width + 63) >> 6; - } else { - INT xc, yc; - FT_Vector vec; - FT_Pos lsb; - - left = right = 0; - - for(xc = 0; xc < 2; xc++) { - for(yc = 0; yc < 2; yc++) { - vec.x = metrics.horiBearingX + xc * metrics.width; - vec.y = metrics.horiBearingY - yc * metrics.height; - TRACE("Vec %ld,%ld\n", vec.x, vec.y); - pFT_Vector_Transform( &vec, &matrices[matrix_vert] ); - if(xc == 0 && yc == 0) { - left = right = vec.x; - top = bottom = vec.y; - } else { - if(vec.x < left) left = vec.x; - else if(vec.x > right) right = vec.x; - if(vec.y < bottom) bottom = vec.y; - else if(vec.y > top) top = vec.y; - } - } - } - left = left & -64; - right = (right + 63) & -64; - bottom = bottom & -64; - top = (top + 63) & -64; - - if (tategaki && (font->potm || get_outline_text_metrics(font))) - { - if (vertical_metrics) - lsb = metrics.horiBearingY + metrics.vertBearingY; - else - lsb = metrics.vertAdvance + (font->potm->otmDescent << 6); - vec.x = lsb; - vec.y = font->potm->otmDescent << 6; - TRACE ("Vec %ld,%ld\n", vec.x>>6, vec.y>>6); - pFT_Vector_Transform( &vec, &matrices[matrix_hori] ); - origin_x = (vec.x + left) & -64; - origin_y = (vec.y + top + 63) & -64; - lsb -= metrics.horiBearingY; - } - else - { - origin_x = left; - origin_y = top; - lsb = metrics.horiBearingX; - } - - TRACE("transformed box: (%d,%d - %d,%d)\n", left, top, right, bottom); - adv = get_advance_metric(incoming_font, font, &metrics, &matrices[matrix_hori], vertical_metrics); - gm.gmCellIncX = adv.x >> 6; - gm.gmCellIncY = adv.y >> 6; - - adv = get_advance_metric(incoming_font, font, &metrics, &matrices[matrix_unrotated], vertical_metrics); - adv.x = pFT_Vector_Length(&adv); - adv.y = 0; - - vec.x = lsb; - vec.y = 0; - pFT_Vector_Transform( &vec, &matrices[matrix_unrotated] ); - if(lsb > 0) abc->abcA = pFT_Vector_Length(&vec) >> 6; - else abc->abcA = -((pFT_Vector_Length(&vec) + 63) >> 6); - - /* We use lsb again to avoid rounding errors */ - vec.x = lsb + (tategaki ? metrics.height : metrics.width); - vec.y = 0; - pFT_Vector_Transform( &vec, &matrices[matrix_unrotated] ); - abc->abcB = ((pFT_Vector_Length(&vec) + 63) >> 6) - abc->abcA; - } - - width = (right - left) >> 6; - height = (top - bottom) >> 6; - gm.gmBlackBoxX = width ? width : 1; - gm.gmBlackBoxY = height ? height : 1; - gm.gmptGlyphOrigin.x = origin_x >> 6; - gm.gmptGlyphOrigin.y = origin_y >> 6; - if (!abc->abcB) abc->abcB = 1; - abc->abcC = (adv.x >> 6) - abc->abcA - abc->abcB; - - TRACE("%u,%u,%s,%d,%d\n", gm.gmBlackBoxX, gm.gmBlackBoxY, - wine_dbgstr_point(&gm.gmptGlyphOrigin), - gm.gmCellIncX, gm.gmCellIncY); + bbox = get_transformed_bbox( &metrics, needsTransform, matrices ); + compute_metrics( incoming_font, font, bbox, &metrics, + tategaki, vertical_metrics, needsTransform, matrices, + &gm, abc );
if ((format == GGO_METRICS || format == GGO_BITMAP || format == WINE_GGO_GRAY16_BITMAP) && is_identity_MAT2(lpmat)) /* don't cache custom transforms */ @@ -7296,6 +7331,9 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, return GDI_ERROR; }
+ width = (bbox.xMax - bbox.xMin ) >> 6; + height = (bbox.yMax - bbox.yMin ) >> 6; + switch(format) { case GGO_BITMAP: pitch = ((width + 31) >> 5) << 2; @@ -7340,7 +7378,7 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, if(needsTransform) pFT_Outline_Transform( &ft_face->glyph->outline, &matrices[matrix_vert] );
- pFT_Outline_Translate(&ft_face->glyph->outline, -left, -bottom ); + pFT_Outline_Translate(&ft_face->glyph->outline, -bbox.xMin, -bbox.yMin );
/* Note: FreeType will only set 'black' bits for us. */ memset(buf, 0, needed); @@ -7401,7 +7439,7 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, if(needsTransform) pFT_Outline_Transform( &ft_face->glyph->outline, &matrices[matrix_vert] );
- pFT_Outline_Translate(&ft_face->glyph->outline, -left, -bottom ); + pFT_Outline_Translate(&ft_face->glyph->outline, -bbox.xMin, -bbox.yMin );
memset(ft_bitmap.buffer, 0, buflen);
@@ -7492,13 +7530,13 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, { gm.gmBlackBoxX += 2; gm.gmptGlyphOrigin.x -= 1; - left -= (1 << 6); + bbox.xMin -= (1 << 6); } else { gm.gmBlackBoxY += 2; gm.gmptGlyphOrigin.y += 1; - top += (1 << 6); + bbox.yMax += (1 << 6); }
width = gm.gmBlackBoxX; @@ -7540,7 +7578,7 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, vmul = 3; }
- x_shift = ft_face->glyph->bitmap_left - (left >> 6); + x_shift = ft_face->glyph->bitmap_left - (bbox.xMin >> 6); if ( x_shift < 0 ) { src += hmul * -x_shift; @@ -7552,7 +7590,7 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format, width -= x_shift; }
- y_shift = (top >> 6) - ft_face->glyph->bitmap_top; + y_shift = (bbox.yMax >> 6) - ft_face->glyph->bitmap_top; if ( y_shift < 0 ) { src += src_pitch * vmul * -y_shift;