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dwrite: Apply run reading direction to advances and offsets on analysis creation. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2015-11-03 20:32:22 +03:00 committed by Alexandre Julliard
parent a410990f7c
commit b6f1e74ced
1 changed files with 21 additions and 53 deletions
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74
dlls/dwrite/font.c
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@ -4097,31 +4097,16 @@ static void glyphrunanalysis_get_texturebounds(struct dwrite_glyphrunanalysis *a
freetype_get_glyph_bbox(&glyph_bitmap);
if (is_rtl)
OffsetRect(bbox, origin.x - advance->x, origin.y - advance->y);
OffsetRect(bbox, origin.x + advance->x, origin.y + advance->y);
else
OffsetRect(bbox, origin.x, origin.y);
if (advanceoffset) {
FLOAT offset_x = advanceoffset->x + ascenderoffset->x;
FLOAT offset_y = advanceoffset->y + ascenderoffset->y;
if (is_rtl) {
offset_x *= -1.0f;
offset_y *= -1.0f;
}
OffsetRect(bbox, offset_x, offset_y);
}
if (advanceoffset)
OffsetRect(bbox, advanceoffset->x + ascenderoffset->x, advanceoffset->y + ascenderoffset->y);
UnionRect(&analysis->bounds, &analysis->bounds, bbox);
if (is_rtl) {
origin.x -= advance->x;
origin.y -= advance->y;
}
else {
origin.x += advance->x;
origin.y += advance->y;
}
origin.x += advance->x;
origin.y += advance->y;
}
IDWriteFontFace2_Release(fontface2);
@ -4218,14 +4203,8 @@ static void glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis, DW
freetype_get_glyph_bbox(&glyph_bitmap);
if (IsRectEmpty(bbox)) {
if (is_rtl) {
origin.x -= advance->x;
origin.y -= advance->y;
}
else {
origin.x += advance->x;
origin.y += advance->y;
}
origin.x += advance->x;
origin.y += advance->y;
continue;
}
@ -4241,21 +4220,12 @@ static void glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis, DW
is_1bpp = freetype_get_glyph_bitmap(&glyph_bitmap);
if (is_rtl)
OffsetRect(bbox, origin.x - advance->x, origin.y - advance->y);
OffsetRect(bbox, origin.x + advance->x, origin.y + advance->y);
else
OffsetRect(bbox, origin.x, origin.y);
if (advanceoffset) {
FLOAT offset_x = advanceoffset->x + ascenderoffset->x;
FLOAT offset_y = advanceoffset->y + ascenderoffset->y;
if (is_rtl) {
offset_x *= -1.0f;
offset_y *= -1.0f;
}
OffsetRect(bbox, offset_x, offset_y);
}
if (advanceoffset)
OffsetRect(bbox, advanceoffset->x + ascenderoffset->x, advanceoffset->y + ascenderoffset->y);
OffsetRect(bbox, analysis->origin.x, analysis->origin.y);
if (analysis->flags & RUNANALYSIS_USE_TRANSFORM)
@ -4297,14 +4267,8 @@ static void glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis, DW
heap_free(glyph_bitmap.buf);
if (is_rtl) {
origin.x -= advance->x;
origin.y -= advance->y;
}
else {
origin.x += advance->x;
origin.y += advance->y;
}
origin.x += advance->x;
origin.y += advance->y;
}
IDWriteFontFace2_Release(fontface2);
@ -4460,6 +4424,7 @@ HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE rendering_mode, DWRITE_MEA
FLOAT originX, FLOAT originY, IDWriteGlyphRunAnalysis **ret)
{
struct dwrite_glyphrunanalysis *analysis;
FLOAT rtl_factor;
UINT32 i;
*ret = NULL;
@ -4521,6 +4486,8 @@ HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE rendering_mode, DWRITE_MEA
analysis->run.glyphAdvances = NULL;
analysis->run.glyphOffsets = NULL;
rtl_factor = run->bidiLevel & 1 ? -1.0f : 1.0f;
if (analysis->flags & RUNANALYSIS_USE_TRANSFORM)
transform_2d_vec(&analysis->origin, &analysis->m);
@ -4528,7 +4495,7 @@ HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE rendering_mode, DWRITE_MEA
if (run->glyphAdvances) {
for (i = 0; i < run->glyphCount; i++) {
init_2d_vec(analysis->advances + i, run->glyphAdvances[i] * ppdip, run->isSideways);
init_2d_vec(analysis->advances + i, rtl_factor * run->glyphAdvances[i] * ppdip, run->isSideways);
if (analysis->flags & RUNANALYSIS_USE_TRANSFORM)
transform_2d_vec(analysis->advances + i, &analysis->m);
}
@ -4550,7 +4517,7 @@ HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE rendering_mode, DWRITE_MEA
hr = IDWriteFontFace1_GetDesignGlyphAdvances(fontface1, 1, run->glyphIndices + i, &a, run->isSideways);
if (FAILED(hr))
a = 0;
init_2d_vec(analysis->advances + i, get_scaled_advance_width(a, run->fontEmSize, &metrics) * ppdip,
init_2d_vec(analysis->advances + i, rtl_factor * get_scaled_advance_width(a, run->fontEmSize, &metrics) * ppdip,
run->isSideways);
break;
case DWRITE_MEASURING_MODE_GDI_CLASSIC:
@ -4560,7 +4527,7 @@ HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE rendering_mode, DWRITE_MEA
if (FAILED(hr))
init_2d_vec(analysis->advances + i, 0.0f, FALSE);
else
init_2d_vec(analysis->advances + i, floorf(a * run->fontEmSize * ppdip / metrics.designUnitsPerEm + 0.5f),
init_2d_vec(analysis->advances + i, rtl_factor * floorf(a * run->fontEmSize * ppdip / metrics.designUnitsPerEm + 0.5f),
run->isSideways);
break;
default:
@ -4576,8 +4543,9 @@ HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE rendering_mode, DWRITE_MEA
if (run->glyphOffsets) {
for (i = 0; i < run->glyphCount; i++) {
init_2d_vec(analysis->advanceoffsets + i, run->glyphOffsets[i].advanceOffset * ppdip, run->isSideways);
init_2d_vec(analysis->ascenderoffsets + i, run->glyphOffsets[i].ascenderOffset * ppdip, !run->isSideways);
init_2d_vec(analysis->advanceoffsets + i, rtl_factor * run->glyphOffsets[i].advanceOffset * ppdip, run->isSideways);
/* Positive ascender offset moves glyph up. Keep it orthogonal to advance direction. */
init_2d_vec(analysis->ascenderoffsets + i, -run->glyphOffsets[i].ascenderOffset * ppdip, !run->isSideways);
if (analysis->flags & RUNANALYSIS_USE_TRANSFORM) {
transform_2d_vec(analysis->advanceoffsets + i, &analysis->m);
transform_2d_vec(analysis->ascenderoffsets + i, &analysis->m);