ector: add bounding box info in RLE data for software backend.
Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
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@ -56,6 +56,7 @@ typedef struct _Raster_Buffer
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typedef struct _Shape_Rle_Data
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{
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Eina_Rectangle bbox;
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unsigned short alloc;
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unsigned short size;
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SW_FT_Span *spans;// array of Scanlines.
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@ -388,8 +388,11 @@ _rle_generation_cb( int count, const SW_FT_Span* spans,void *user)
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Shape_Rle_Data *
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ector_software_rasterizer_generate_rle_data(Software_Rasterizer *rasterizer, SW_FT_Outline *outline)
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{
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int i, rle_size;
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int l = 0, t = 0, r = 0, b = 0;
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Shape_Rle_Data *rle_data = (Shape_Rle_Data *) calloc(1, sizeof(Shape_Rle_Data));
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SW_FT_Raster_Params params;
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SW_FT_Span* span;
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params.flags = SW_FT_RASTER_FLAG_DIRECT | SW_FT_RASTER_FLAG_AA ;
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params.gray_spans = &_rle_generation_cb;
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@ -398,6 +401,23 @@ ector_software_rasterizer_generate_rle_data(Software_Rasterizer *rasterizer, SW_
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sw_ft_grays_raster.raster_render(rasterizer->raster, ¶ms);
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// update RLE bounding box.
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span = rle_data->spans;
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rle_size = rle_data->size;
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if (rle_size)
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{
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t = span[0].y;
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b = span[rle_size-1].y;
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for (i = 0; i < rle_size; i++)
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{
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if (span[i].x < l) l = span[i].x;
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if (span[i].x + span[i].len > r) r = span[i].x + span[i].len;
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}
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rle_data->bbox.x = l;
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rle_data->bbox.y = t;
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rle_data->bbox.w = r - l;
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rle_data->bbox.h = b - t + 1;
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}
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return rle_data;
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}
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