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dwrite/layout: Use same logic for mapping both non-visual and visual runs.
Both non-visual and visual runs go through fallback mapping process, and could end up with hard coded default at the end if fallback was insufficient. Visual runs are using custom fallback and then the system one, non-visual ones are using only system fallback. Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
This commit is contained in:
Nikolay Sivov
Alexandre Julliard
parent
4f90e88d0b
commit
a10ae49292
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@ -641,142 +641,176 @@ static HRESULT layout_itemize(struct dwrite_textlayout *layout)
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return hr;
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}
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static HRESULT layout_map_run_characters(struct dwrite_textlayout *layout, struct layout_run *r,
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IDWriteFontCollection *system_collection, IDWriteFontFallback *fallback, struct layout_run **remaining)
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{
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struct regular_layout_run *run = &r->u.regular;
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IDWriteFontCollection *collection;
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struct layout_range *range;
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unsigned int length;
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HRESULT hr = S_OK;
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*remaining = NULL;
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range = get_layout_range_by_pos(layout, run->descr.textPosition);
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collection = range->collection ? range->collection : system_collection;
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length = run->descr.stringLength;
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while (length)
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{
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unsigned int mapped_length = 0;
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IDWriteFont *font = NULL;
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float scale = 0.0f;
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run = &r->u.regular;
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hr = IDWriteFontFallback_MapCharacters(fallback, (IDWriteTextAnalysisSource *)&layout->IDWriteTextAnalysisSource1_iface,
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run->descr.textPosition, run->descr.stringLength, collection, range->fontfamily, range->weight,
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range->style, range->stretch, &mapped_length, &font, &scale);
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if (FAILED(hr))
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{
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WARN("%s: failed to map family %s, collection %p, hr %#lx.\n", debugstr_rundescr(&run->descr),
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debugstr_w(range->fontfamily), collection, hr);
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return hr;
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}
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if (!font)
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{
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*remaining = r;
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return S_OK;
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}
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hr = IDWriteFont_CreateFontFace(font, &run->run.fontFace);
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IDWriteFont_Release(font);
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if (FAILED(hr))
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{
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WARN("Failed to create a font face, hr %#lx.\n", hr);
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return hr;
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}
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run->run.fontEmSize = range->fontsize * scale;
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if (mapped_length < length)
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{
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struct regular_layout_run *nextrun;
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struct layout_run *nextr;
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/* Keep mapped part for current run, add another run for the rest. */
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if (FAILED(hr = alloc_layout_run(LAYOUT_RUN_REGULAR, 0, &nextr)))
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return hr;
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*nextr = *r;
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nextr->start_position = run->descr.textPosition + mapped_length;
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nextrun = &nextr->u.regular;
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nextrun->run.fontFace = NULL;
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nextrun->descr.textPosition = nextr->start_position;
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nextrun->descr.stringLength = run->descr.stringLength - mapped_length;
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nextrun->descr.string = &layout->str[nextrun->descr.textPosition];
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run->descr.stringLength = mapped_length;
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list_add_after(&r->entry, &nextr->entry);
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r = nextr;
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}
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length -= min(length, mapped_length);
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}
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return hr;
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}
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static HRESULT layout_run_set_last_resort_font(struct dwrite_textlayout *layout, struct layout_run *r,
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IDWriteFontCollection *system_collection)
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{
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struct regular_layout_run *run = &r->u.regular;
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struct layout_range *range;
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IDWriteFont *font;
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HRESULT hr;
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range = get_layout_range_by_pos(layout, run->descr.textPosition);
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if (FAILED(create_matching_font(range->collection, range->fontfamily, range->weight, range->style,
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range->stretch, &IID_IDWriteFont3, (void **)&font)))
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{
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if (FAILED(hr = create_matching_font(system_collection, L"Tahoma", range->weight, range->style,
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range->stretch, &IID_IDWriteFont3, (void **)&font)))
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{
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WARN("Failed to create last resort font, hr %#lx.\n", hr);
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return hr;
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}
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}
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hr = IDWriteFont_CreateFontFace(font, &run->run.fontFace);
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IDWriteFont_Release(font);
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if (FAILED(hr))
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{
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WARN("Failed to create last resort font face, hr %#lx.\n", hr);
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return hr;
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}
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run->run.fontEmSize = range->fontsize;
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return hr;
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}
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static HRESULT layout_resolve_fonts(struct dwrite_textlayout *layout)
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{
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IDWriteFontCollection *sys_collection, *collection;
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IDWriteFontFallback *fallback = NULL;
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struct layout_range *range;
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struct layout_run *r;
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IDWriteFontCollection *system_collection;
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IDWriteFontFallback *system_fallback;
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struct layout_run *r, *remaining;
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HRESULT hr;
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if (FAILED(hr = IDWriteFactory5_GetSystemFontCollection((IDWriteFactory5 *)layout->factory, FALSE,
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(IDWriteFontCollection1 **)&sys_collection, FALSE))) {
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(IDWriteFontCollection1 **)&system_collection, FALSE)))
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{
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WARN("Failed to get system collection, hr %#lx.\n", hr);
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return hr;
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}
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if (layout->format.fallback) {
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fallback = layout->format.fallback;
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IDWriteFontFallback_AddRef(fallback);
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}
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else {
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if (FAILED(hr = IDWriteFactory7_GetSystemFontFallback(layout->factory, &fallback))) {
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WARN("Failed to get system fallback, hr %#lx.\n", hr);
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goto fatal;
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}
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if (FAILED(hr = IDWriteFactory7_GetSystemFontFallback(layout->factory, &system_fallback)))
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{
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WARN("Failed to get system fallback, hr %#lx.\n", hr);
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IDWriteFontCollection_Release(system_collection);
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return hr;
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}
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LIST_FOR_EACH_ENTRY(r, &layout->runs, struct layout_run, entry) {
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LIST_FOR_EACH_ENTRY(r, &layout->runs, struct layout_run, entry)
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{
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struct regular_layout_run *run = &r->u.regular;
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IDWriteFont *font;
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UINT32 length;
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if (r->kind == LAYOUT_RUN_INLINE)
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continue;
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range = get_layout_range_by_pos(layout, run->descr.textPosition);
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collection = range->collection ? range->collection : sys_collection;
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/* For textual runs use both custom and system fallback. For non-visual ones only use the system fallback,
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and no hard-coded names in assumption that support for missing control characters could be easily
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added to bundled fonts. */
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if (run->sa.shapes == DWRITE_SCRIPT_SHAPES_NO_VISUAL)
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{
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if (FAILED(hr = create_matching_font(collection, range->fontfamily, range->weight, range->style,
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range->stretch, &IID_IDWriteFont, (void **)&font)))
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if (FAILED(hr = layout_map_run_characters(layout, r, system_collection, system_fallback, &remaining)))
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{
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WARN("%s: failed to create matching font for non visual run, family %s, collection %p\n",
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debugstr_rundescr(&run->descr), debugstr_w(range->fontfamily), range->collection);
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WARN("Failed to map fonts for non-visual run, hr %#lx.\n", hr);
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break;
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}
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hr = IDWriteFont_CreateFontFace(font, &run->run.fontFace);
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IDWriteFont_Release(font);
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if (FAILED(hr)) {
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WARN("Failed to create font face, hr %#lx.\n", hr);
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break;
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}
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run->run.fontEmSize = range->fontsize;
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continue;
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}
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length = run->descr.stringLength;
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while (length)
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else
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{
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UINT32 mapped_length = 0;
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FLOAT scale;
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if (layout->format.fallback)
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hr = layout_map_run_characters(layout, r, system_collection, layout->format.fallback, &remaining);
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else
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remaining = r;
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run = &r->u.regular;
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hr = IDWriteFontFallback_MapCharacters(fallback,
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(IDWriteTextAnalysisSource *)&layout->IDWriteTextAnalysisSource1_iface,
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run->descr.textPosition,
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run->descr.stringLength,
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range->collection,
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range->fontfamily,
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range->weight,
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range->style,
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range->stretch,
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&mapped_length,
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&font,
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&scale);
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if (FAILED(hr)) {
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WARN("%s: failed to map family %s, collection %p, hr %#lx.\n", debugstr_rundescr(&run->descr),
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debugstr_w(range->fontfamily), range->collection, hr);
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goto fatal;
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}
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if (!font)
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{
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if (FAILED(create_matching_font(range->collection, range->fontfamily, range->weight, range->style,
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range->stretch, &IID_IDWriteFont3, (void **)&font)))
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{
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if (FAILED(hr = create_matching_font(sys_collection, L"Tahoma", range->weight, range->style,
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range->stretch, &IID_IDWriteFont3, (void **)&font)))
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{
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WARN("Failed to create last resort font, hr %#lx.\n", hr);
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goto fatal;
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}
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}
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mapped_length = run->descr.stringLength;
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}
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hr = IDWriteFont_CreateFontFace(font, &run->run.fontFace);
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IDWriteFont_Release(font);
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if (FAILED(hr)) {
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WARN("Failed to create font face, hr %#lx.\n", hr);
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goto fatal;
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}
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run->run.fontEmSize = range->fontsize * scale;
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if (mapped_length < length)
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{
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struct regular_layout_run *nextrun;
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struct layout_run *nextr;
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/* keep mapped part for current run, add another run for the rest */
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if (FAILED(hr = alloc_layout_run(LAYOUT_RUN_REGULAR, 0, &nextr)))
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goto fatal;
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*nextr = *r;
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nextr->start_position = run->descr.textPosition + mapped_length;
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nextrun = &nextr->u.regular;
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nextrun->descr.textPosition = nextr->start_position;
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nextrun->descr.stringLength = run->descr.stringLength - mapped_length;
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nextrun->descr.string = &layout->str[nextrun->descr.textPosition];
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run->descr.stringLength = mapped_length;
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list_add_after(&r->entry, &nextr->entry);
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r = nextr;
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}
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length -= mapped_length;
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if (remaining)
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hr = layout_map_run_characters(layout, remaining, system_collection, system_fallback, &remaining);
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}
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if (remaining)
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hr = layout_run_set_last_resort_font(layout, remaining, system_collection);
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if (FAILED(hr)) break;
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}
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fatal:
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IDWriteFontCollection_Release(sys_collection);
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if (fallback)
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IDWriteFontFallback_Release(fallback);
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IDWriteFontCollection_Release(system_collection);
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IDWriteFontFallback_Release(system_fallback);
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return hr;
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}
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