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ector: add bounding box info in RLE data for software backend. 

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
This commit is contained in:
Subhransu Mohanty 2015-08-17 13:45:42 +09:00 committed by Cedric BAIL
parent 146f3c52b5
commit f1a4f461c2
2 changed files with 21 additions and 0 deletions
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1
src/lib/ector/software/ector_software_private.h
View File

@ -56,6 +56,7 @@ typedef struct _Raster_Buffer
typedef struct _Shape_Rle_Data
{
Eina_Rectangle bbox;
unsigned short alloc;
unsigned short size;
SW_FT_Span *spans;// array of Scanlines.

20
src/lib/ector/software/ector_software_rasterizer.c
View File

@ -388,8 +388,11 @@ _rle_generation_cb( int count, const SW_FT_Span* spans,void *user)
Shape_Rle_Data *
ector_software_rasterizer_generate_rle_data(Software_Rasterizer *rasterizer, SW_FT_Outline *outline)
{
int i, rle_size;
int l = 0, t = 0, r = 0, b = 0;
Shape_Rle_Data *rle_data = (Shape_Rle_Data *) calloc(1, sizeof(Shape_Rle_Data));
SW_FT_Raster_Params params;
SW_FT_Span* span;
params.flags = SW_FT_RASTER_FLAG_DIRECT | SW_FT_RASTER_FLAG_AA ;
params.gray_spans = &_rle_generation_cb;
@ -398,6 +401,23 @@ ector_software_rasterizer_generate_rle_data(Software_Rasterizer *rasterizer, SW_
sw_ft_grays_raster.raster_render(rasterizer->raster, &params);
// update RLE bounding box.
span = rle_data->spans;
rle_size = rle_data->size;
if (rle_size)
{
t = span[0].y;
b = span[rle_size-1].y;
for (i = 0; i < rle_size; i++)
{
if (span[i].x < l) l = span[i].x;
if (span[i].x + span[i].len > r) r = span[i].x + span[i].len;
}
rle_data->bbox.x = l;
rle_data->bbox.y = t;
rle_data->bbox.w = r - l;
rle_data->bbox.h = b - t + 1;
}
return rle_data;
}