forked from enlightenment/efl
122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
#include "evas_common_soft16.h"
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#include "evas_soft16_scanline_fill.c"
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static inline int
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_is_empty_rectangle(const Eina_Rectangle *r)
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{
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return (r->w < 1) || (r->h < 1);
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}
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static inline void
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_soft16_rectangle_draw_solid_solid(Soft16_Image *dst, int offset, int w, int h,
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DATA16 rgb565)
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{
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DATA16 *dst_itr;
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int i;
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dst_itr = dst->pixels + offset;
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for (i = 0; i < h; i++, dst_itr += dst->stride)
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_soft16_scanline_fill_solid_solid(dst_itr, w, rgb565);
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}
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static inline void
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_soft16_rectangle_draw_transp_solid(Soft16_Image *dst, int offset, int w, int h,
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DATA16 rgb565, DATA8 alpha)
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{
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DATA16 *dst_itr;
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DATA32 rgb565_unpack;
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int i;
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dst_itr = dst->pixels + offset;
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rgb565_unpack = RGB_565_UNPACK(rgb565);
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alpha++;
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for (i = 0; i < h; i++, dst_itr += dst->stride)
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_soft16_scanline_fill_transp_solid(dst_itr, w, rgb565_unpack, alpha);
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}
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static void
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_soft16_rectangle_draw_int(Soft16_Image *dst, RGBA_Draw_Context *dc,
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Eina_Rectangle dr)
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{
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int dst_offset;
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if (_is_empty_rectangle(&dr)) return;
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RECTS_CLIP_TO_RECT(dr.x, dr.y, dr.w, dr.h, 0, 0, dst->cache_entry.w, dst->cache_entry.h);
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if (_is_empty_rectangle(&dr)) return;
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if (dc->clip.use)
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RECTS_CLIP_TO_RECT(dr.x, dr.y, dr.w, dr.h, dc->clip.x,
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dc->clip.y, dc->clip.w, dc->clip.h);
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if (_is_empty_rectangle(&dr)) return;
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if (A_VAL(&dc->col.col) == 0) return;
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dst_offset = dr.x + (dr.y * dst->cache_entry.w);
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if (!dst->cache_entry.flags.alpha)
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{
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DATA16 rgb565;
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DATA8 alpha;
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alpha = A_VAL(&dc->col.col) >> 3;
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rgb565 = RGB_565_FROM_COMPONENTS(R_VAL(&dc->col.col),
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G_VAL(&dc->col.col),
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B_VAL(&dc->col.col));
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if (alpha == 31)
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_soft16_rectangle_draw_solid_solid
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(dst, dst_offset, dr.w, dr.h, rgb565);
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else if (alpha > 0)
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_soft16_rectangle_draw_transp_solid
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(dst, dst_offset, dr.w, dr.h, rgb565, alpha);
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}
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else
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ERR("Unsupported feature: drawing rectangle to non-opaque destination.");
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}
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void
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evas_common_soft16_rectangle_draw(Soft16_Image *dst, RGBA_Draw_Context *dc,
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int x, int y, int w, int h)
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{
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Eina_Rectangle dr;
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Cutout_Rects *rects;
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Cutout_Rect *r;
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struct RGBA_Draw_Context_clip c_bkp;
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int i;
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/* handle cutouts here! */
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EINA_RECTANGLE_SET(&dr, x, y, w, h);
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if (_is_empty_rectangle(&dr)) return;
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if (!(RECTS_INTERSECT(dr.x, dr.y, dr.w, dr.h, 0, 0, dst->cache_entry.w, dst->cache_entry.h)))
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return;
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/* no cutouts - cut right to the chase */
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if (!dc->cutout.rects)
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{
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_soft16_rectangle_draw_int(dst, dc, dr);
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return;
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}
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c_bkp = dc->clip;
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evas_common_draw_context_clip_clip(dc, 0, 0, dst->cache_entry.w, dst->cache_entry.h);
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evas_common_draw_context_clip_clip(dc, x, y, w, h);
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/* our clip is 0 size.. abort */
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if ((dc->clip.w <= 0) || (dc->clip.h <= 0))
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{
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dc->clip = c_bkp;
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return;
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}
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rects = evas_common_draw_context_apply_cutouts(dc);
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for (i = 0; i < rects->active; ++i)
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{
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r = rects->rects + i;
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evas_common_draw_context_set_clip(dc, r->x, r->y, r->w, r->h);
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_soft16_rectangle_draw_int(dst, dc, dr);
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}
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evas_common_draw_context_apply_clear_cutouts(rects);
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dc->clip = c_bkp;
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}
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