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dwrite/layout: Use array allocation helper for line metrics. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2019-05-14 13:27:28 +03:00 committed by Alexandre Julliard
parent 0a3aef62d8
commit 1315098aef
1 changed files with 51 additions and 65 deletions
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116
dlls/dwrite/layout.c
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@ -227,9 +227,11 @@ struct layout_cluster {
UINT32 position; /* relative to run, first cluster has 0 position */ UINT32 position; /* relative to run, first cluster has 0 position */
}; };
struct layout_line { struct layout_line
FLOAT height; /* height based on content */ {
FLOAT baseline; /* baseline based on content */ float height; /* height based on content */
float baseline; /* baseline based on content */
DWRITE_LINE_METRICS1 metrics;
}; };
enum layout_recompute_mask { enum layout_recompute_mask {
@ -276,8 +278,7 @@ struct dwrite_textlayout {
FLOAT minwidth; FLOAT minwidth;
struct layout_line *lines; struct layout_line *lines;
DWRITE_LINE_METRICS1 *linemetrics; size_t lines_size;
UINT32 line_alloc;
DWRITE_TEXT_METRICS1 metrics; DWRITE_TEXT_METRICS1 metrics;
DWRITE_OVERHANG_METRICS overhangs; 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) switch (layout->format.spacing.method)
{ {
case DWRITE_LINE_SPACING_METHOD_DEFAULT: case DWRITE_LINE_SPACING_METHOD_DEFAULT:
layout->linemetrics[line].height = layout->lines[line].height; layout->lines[line].metrics.height = layout->lines[line].height;
layout->linemetrics[line].baseline = layout->lines[line].baseline; layout->lines[line].metrics.baseline = layout->lines[line].baseline;
break; break;
case DWRITE_LINE_SPACING_METHOD_UNIFORM: case DWRITE_LINE_SPACING_METHOD_UNIFORM:
layout->linemetrics[line].height = layout->format.spacing.height; layout->lines[line].metrics.height = layout->format.spacing.height;
layout->linemetrics[line].baseline = layout->format.spacing.baseline; layout->lines[line].metrics.baseline = layout->format.spacing.baseline;
break; break;
case DWRITE_LINE_SPACING_METHOD_PROPORTIONAL: case DWRITE_LINE_SPACING_METHOD_PROPORTIONAL:
layout->linemetrics[line].height = layout->lines[line].height * layout->format.spacing.height; layout->lines[line].metrics.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.baseline = layout->lines[line].baseline * layout->format.spacing.baseline;
break; break;
default: default:
ERR("Unknown spacing method %u\n", layout->format.spacing.method); 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) static HRESULT layout_set_line_metrics(struct dwrite_textlayout *layout, DWRITE_LINE_METRICS1 *metrics)
{ {
UINT32 i = layout->metrics.lineCount; size_t i = layout->metrics.lineCount;
if (!layout->line_alloc) { if (!dwrite_array_reserve((void **)&layout->lines, &layout->lines_size, layout->metrics.lineCount + 1,
layout->line_alloc = 5; sizeof(*layout->lines)))
layout->linemetrics = heap_calloc(layout->line_alloc, sizeof(*layout->linemetrics)); {
layout->lines = heap_calloc(layout->line_alloc, sizeof(*layout->lines)); return E_OUTOFMEMORY;
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) { layout->lines[i].metrics = *metrics;
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;
if (!metrics || !lines)
return E_OUTOFMEMORY;
layout->line_alloc *= 2;
}
layout->linemetrics[i] = *metrics;
layout->lines[i].height = metrics->height; layout->lines[i].height = metrics->height;
layout->lines[i].baseline = metrics->baseline; 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); erun = layout_get_next_erun(layout, NULL);
inrun = layout_get_next_inline_run(layout, NULL); inrun = layout_get_next_inline_run(layout, NULL);
for (line = 0; line < layout->metrics.lineCount; line++) { for (line = 0; line < layout->metrics.lineCount; line++)
FLOAT pos_y = origin_y + layout->linemetrics[line].baseline; {
float pos_y = origin_y + layout->lines[line].metrics.baseline;
while (erun && erun->line == line) { while (erun && erun->line == line) {
erun->origin.y = pos_y; 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); 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); erun = layout_get_next_erun(layout, NULL);
inrun = layout_get_next_inline_run(layout, NULL); inrun = layout_get_next_inline_run(layout, NULL);
for (line = 0, origin_y = 0.0f; line < layout->metrics.lineCount; line++) { for (line = 0, origin_y = 0.0f; line < layout->metrics.lineCount; line++)
FLOAT pos_y = origin_y + layout->linemetrics[line].baseline; {
float pos_y = origin_y + layout->lines[line].metrics.baseline;
/* For all runs on this line */ /* For all runs on this line */
while (erun && erun->line == 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); 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; layout->metrics.height = origin_y;
@ -2862,7 +2843,6 @@ static ULONG WINAPI dwritetextlayout_Release(IDWriteTextLayout3 *iface)
heap_free(This->actual_breakpoints); heap_free(This->actual_breakpoints);
heap_free(This->clustermetrics); heap_free(This->clustermetrics);
heap_free(This->clusters); heap_free(This->clusters);
heap_free(This->linemetrics);
heap_free(This->lines); heap_free(This->lines);
heap_free(This->str); heap_free(This->str);
heap_free(This); heap_free(This);
@ -3574,23 +3554,25 @@ static HRESULT WINAPI dwritetextlayout_Draw(IDWriteTextLayout3 *iface,
static HRESULT WINAPI dwritetextlayout_GetLineMetrics(IDWriteTextLayout3 *iface, static HRESULT WINAPI dwritetextlayout_GetLineMetrics(IDWriteTextLayout3 *iface,
DWRITE_LINE_METRICS *metrics, UINT32 max_count, UINT32 *count) 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; 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 = layout_compute_effective_runs(layout)))
if (FAILED(hr))
return hr; return hr;
if (metrics) { if (metrics)
UINT32 i, c = min(max_count, This->metrics.lineCount); {
for (i = 0; i < c; i++) line_count = min(max_count, layout->metrics.lineCount);
memcpy(metrics + i, This->linemetrics + i, sizeof(*metrics)); for (i = 0; i < line_count; ++i)
memcpy(&metrics[i], &layout->lines[i].metrics, sizeof(*metrics));
} }
*count = This->metrics.lineCount; *count = layout->metrics.lineCount;
return max_count >= This->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER; return max_count >= layout->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER;
} }
static HRESULT layout_update_metrics(struct dwrite_textlayout *layout) 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, static HRESULT WINAPI dwritetextlayout3_GetLineMetrics(IDWriteTextLayout3 *iface, DWRITE_LINE_METRICS1 *metrics,
UINT32 max_count, UINT32 *count) 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; 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 = layout_compute_effective_runs(layout)))
if (FAILED(hr))
return hr; return hr;
if (metrics) 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; *count = layout->metrics.lineCount;
return max_count >= This->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER; return max_count >= layout->metrics.lineCount ? S_OK : E_NOT_SUFFICIENT_BUFFER;
} }
static const IDWriteTextLayout3Vtbl dwritetextlayoutvtbl = { static const IDWriteTextLayout3Vtbl dwritetextlayoutvtbl = {
@ -4978,9 +4965,8 @@ static HRESULT init_textlayout(const struct textlayout_desc *desc, struct dwrite
layout->cluster_count = 0; layout->cluster_count = 0;
layout->clustermetrics = NULL; layout->clustermetrics = NULL;
layout->clusters = NULL; layout->clusters = NULL;
layout->linemetrics = NULL;
layout->lines = NULL; layout->lines = NULL;
layout->line_alloc = 0; layout->lines_size = 0;
layout->minwidth = 0.0f; layout->minwidth = 0.0f;
list_init(&layout->eruns); list_init(&layout->eruns);
list_init(&layout->inlineobjects); list_init(&layout->inlineobjects);