Signed-off-by: Nikolay Sivov nsivov@codeweavers.com --- dlls/dwrite/layout.c | 116 +++++++++++++++++++------------------------ 1 file changed, 51 insertions(+), 65 deletions(-)
diff --git a/dlls/dwrite/layout.c b/dlls/dwrite/layout.c index 4e9ce14f61..5140decbfa 100644 --- a/dlls/dwrite/layout.c +++ b/dlls/dwrite/layout.c @@ -227,9 +227,11 @@ struct layout_cluster { UINT32 position; /* relative to run, first cluster has 0 position */ };
-struct layout_line { - FLOAT height; /* height based on content */ - FLOAT baseline; /* baseline based on content */ +struct layout_line +{ + float height; /* height based on content */ + float baseline; /* baseline based on content */ + DWRITE_LINE_METRICS1 metrics; };
enum layout_recompute_mask { @@ -276,8 +278,7 @@ struct dwrite_textlayout { FLOAT minwidth;
struct layout_line *lines; - DWRITE_LINE_METRICS1 *linemetrics; - UINT32 line_alloc; + size_t lines_size;
DWRITE_TEXT_METRICS1 metrics; DWRITE_OVERHANG_METRICS overhangs; @@ -1364,16 +1365,16 @@ static void layout_apply_line_spacing(struct dwrite_textlayout *layout, UINT32 l switch (layout->format.spacing.method) { case DWRITE_LINE_SPACING_METHOD_DEFAULT: - layout->linemetrics[line].height = layout->lines[line].height; - layout->linemetrics[line].baseline = layout->lines[line].baseline; + layout->lines[line].metrics.height = layout->lines[line].height; + layout->lines[line].metrics.baseline = layout->lines[line].baseline; break; case DWRITE_LINE_SPACING_METHOD_UNIFORM: - layout->linemetrics[line].height = layout->format.spacing.height; - layout->linemetrics[line].baseline = layout->format.spacing.baseline; + layout->lines[line].metrics.height = layout->format.spacing.height; + layout->lines[line].metrics.baseline = layout->format.spacing.baseline; break; case DWRITE_LINE_SPACING_METHOD_PROPORTIONAL: - layout->linemetrics[line].height = layout->lines[line].height * layout->format.spacing.height; - layout->linemetrics[line].baseline = layout->lines[line].baseline * layout->format.spacing.baseline; + layout->lines[line].metrics.height = layout->lines[line].height * layout->format.spacing.height; + layout->lines[line].metrics.baseline = layout->lines[line].baseline * layout->format.spacing.baseline; break; default: ERR("Unknown spacing method %u\n", layout->format.spacing.method); @@ -1382,37 +1383,15 @@ static void layout_apply_line_spacing(struct dwrite_textlayout *layout, UINT32 l
static HRESULT layout_set_line_metrics(struct dwrite_textlayout *layout, DWRITE_LINE_METRICS1 *metrics) { - UINT32 i = layout->metrics.lineCount; - - if (!layout->line_alloc) { - layout->line_alloc = 5; - layout->linemetrics = heap_calloc(layout->line_alloc, sizeof(*layout->linemetrics)); - layout->lines = heap_calloc(layout->line_alloc, sizeof(*layout->lines)); - if (!layout->linemetrics || !layout->lines) { - heap_free(layout->linemetrics); - heap_free(layout->lines); - layout->linemetrics = NULL; - layout->lines = NULL; - return E_OUTOFMEMORY; - } - } - - if (layout->metrics.lineCount == layout->line_alloc) { - DWRITE_LINE_METRICS1 *metrics; - struct layout_line *lines; - - if ((metrics = heap_realloc(layout->linemetrics, layout->line_alloc * 2 * sizeof(*layout->linemetrics)))) - layout->linemetrics = metrics; - if ((lines = heap_realloc(layout->lines, layout->line_alloc * 2 * sizeof(*layout->lines)))) - layout->lines = lines; + size_t i = layout->metrics.lineCount;
- if (!metrics || !lines) - return E_OUTOFMEMORY; - - layout->line_alloc *= 2; + if (!dwrite_array_reserve((void **)&layout->lines, &layout->lines_size, layout->metrics.lineCount + 1, + sizeof(*layout->lines))) + { + return E_OUTOFMEMORY; }
- layout->linemetrics[i] = *metrics; + layout->lines[i].metrics = *metrics; layout->lines[i].height = metrics->height; layout->lines[i].baseline = metrics->baseline;
@@ -1674,8 +1653,9 @@ static void layout_apply_par_alignment(struct dwrite_textlayout *layout)
erun = layout_get_next_erun(layout, NULL); inrun = layout_get_next_inline_run(layout, NULL); - for (line = 0; line < layout->metrics.lineCount; line++) { - FLOAT pos_y = origin_y + layout->linemetrics[line].baseline; + for (line = 0; line < layout->metrics.lineCount; line++) + { + float pos_y = origin_y + layout->lines[line].metrics.baseline;
while (erun && erun->line == line) { erun->origin.y = pos_y; @@ -1687,7 +1667,7 @@ static void layout_apply_par_alignment(struct dwrite_textlayout *layout) inrun = layout_get_next_inline_run(layout, inrun); }
- origin_y += layout->linemetrics[line].height; + origin_y += layout->lines[line].metrics.height; } }
@@ -1992,8 +1972,9 @@ static void layout_set_line_positions(struct dwrite_textlayout *layout) erun = layout_get_next_erun(layout, NULL); inrun = layout_get_next_inline_run(layout, NULL);
- for (line = 0, origin_y = 0.0f; line < layout->metrics.lineCount; line++) { - FLOAT pos_y = origin_y + layout->linemetrics[line].baseline; + for (line = 0, origin_y = 0.0f; line < layout->metrics.lineCount; line++) + { + float pos_y = origin_y + layout->lines[line].metrics.baseline;
/* For all runs on this line */ while (erun && erun->line == line) { @@ -2007,7 +1988,7 @@ static void layout_set_line_positions(struct dwrite_textlayout *layout) inrun = layout_get_next_inline_run(layout, inrun); }
- origin_y += layout->linemetrics[line].height; + origin_y += layout->lines[line].metrics.height; }
layout->metrics.height = origin_y; @@ -2862,7 +2843,6 @@ static ULONG WINAPI dwritetextlayout_Release(IDWriteTextLayout3 *iface) heap_free(This->actual_breakpoints); heap_free(This->clustermetrics); heap_free(This->clusters); - heap_free(This->linemetrics); heap_free(This->lines); heap_free(This->str); heap_free(This); @@ -3574,23 +3554,25 @@ static HRESULT WINAPI dwritetextlayout_Draw(IDWriteTextLayout3 *iface, static HRESULT WINAPI dwritetextlayout_GetLineMetrics(IDWriteTextLayout3 *iface, DWRITE_LINE_METRICS *metrics, UINT32 max_count, UINT32 *count) { - struct dwrite_textlayout *This = impl_from_IDWriteTextLayout3(iface); + struct dwrite_textlayout *layout = impl_from_IDWriteTextLayout3(iface); + unsigned int line_count; HRESULT hr; + size_t i;
- TRACE("(%p)->(%p %u %p)\n", This, metrics, max_count, count); + TRACE("%p, %p, %u, %p.\n", iface, metrics, max_count, count);
- hr = layout_compute_effective_runs(This); - if (FAILED(hr)) + if (FAILED(hr = layout_compute_effective_runs(layout))) return hr;
- if (metrics) { - UINT32 i, c = min(max_count, This->metrics.lineCount); - for (i = 0; i < c; i++) - memcpy(metrics + i, This->linemetrics + i, sizeof(*metrics)); + if (metrics) + { + line_count = min(max_count, layout->metrics.lineCount); + for (i = 0; i < line_count; ++i) + memcpy(&metrics[i], &layout->lines[i].metrics, sizeof(*metrics)); }
- *count = This->metrics.lineCount; - return max_count >= This->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER; + *count = layout->metrics.lineCount; + return max_count >= layout->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER; }
static HRESULT layout_update_metrics(struct dwrite_textlayout *layout) @@ -4061,20 +4043,25 @@ static HRESULT WINAPI dwritetextlayout3_GetLineSpacing(IDWriteTextLayout3 *iface static HRESULT WINAPI dwritetextlayout3_GetLineMetrics(IDWriteTextLayout3 *iface, DWRITE_LINE_METRICS1 *metrics, UINT32 max_count, UINT32 *count) { - struct dwrite_textlayout *This = impl_from_IDWriteTextLayout3(iface); + struct dwrite_textlayout *layout = impl_from_IDWriteTextLayout3(iface); + unsigned int line_count; HRESULT hr; + size_t i;
- TRACE("(%p)->(%p %u %p)\n", This, metrics, max_count, count); + TRACE("%p, %p, %u, %p.\n", iface, metrics, max_count, count);
- hr = layout_compute_effective_runs(This); - if (FAILED(hr)) + if (FAILED(hr = layout_compute_effective_runs(layout))) return hr;
if (metrics) - memcpy(metrics, This->linemetrics, sizeof(*metrics) * min(max_count, This->metrics.lineCount)); + { + line_count = min(max_count, layout->metrics.lineCount); + for (i = 0; i < line_count; ++i) + metrics[i] = layout->lines[i].metrics; + }
- *count = This->metrics.lineCount; - return max_count >= This->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER; + *count = layout->metrics.lineCount; + return max_count >= layout->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER; }
static const IDWriteTextLayout3Vtbl dwritetextlayoutvtbl = { @@ -4978,9 +4965,8 @@ static HRESULT init_textlayout(const struct textlayout_desc *desc, struct dwrite layout->cluster_count = 0; layout->clustermetrics = NULL; layout->clusters = NULL; - layout->linemetrics = NULL; layout->lines = NULL; - layout->line_alloc = 0; + layout->lines_size = 0; layout->minwidth = 0.0f; list_init(&layout->eruns); list_init(&layout->inlineobjects);