125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
#include "evas_common_soft8.h"
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#include "evas_soft8_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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_soft8_rectangle_draw_solid_solid(Soft8_Image * dst, int offset, int w, int h,
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DATA8 gry8)
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{
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DATA8 *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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_soft8_scanline_fill_solid_solid(dst_itr, w, gry8);
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}
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static inline void
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_soft8_rectangle_draw_transp_solid(Soft8_Image * dst, int offset, int w, int h,
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DATA8 gry8, DATA8 alpha)
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{
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DATA8 *dst_itr;
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int i;
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dst_itr = dst->pixels + offset;
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alpha++;
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for (i = 0; i < h; i++, dst_itr += dst->stride)
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_soft8_scanline_fill_transp_solid(dst_itr, w, gry8, alpha);
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}
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static void
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_soft8_rectangle_draw_int(Soft8_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))
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return;
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RECTS_CLIP_TO_RECT(dr.x, dr.y, dr.w, dr.h, 0, 0, dst->cache_entry.w,
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dst->cache_entry.h);
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if (_is_empty_rectangle(&dr))
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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))
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return;
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if (A_VAL(&dc->col.col) == 0)
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return;
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dst_offset = dr.x + (dr.y * dst->stride);
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if (!dst->cache_entry.flags.alpha)
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{
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DATA8 gry8;
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DATA8 alpha;
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alpha = A_VAL(&dc->col.col);
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gry8 = GRY_8_FROM_RGB(&dc->col.col);
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if (alpha == 0xff)
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_soft8_rectangle_draw_solid_solid(dst, dst_offset, dr.w, dr.h, gry8);
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else if (alpha > 0)
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_soft8_rectangle_draw_transp_solid
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(dst, dst_offset, dr.w, dr.h, gry8, 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_soft8_rectangle_draw(Soft8_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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static Cutout_Rects *rects = NULL;
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Eina_Rectangle dr;
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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))
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return;
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if (!
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(RECTS_INTERSECT
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(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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_soft8_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,
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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, rects);
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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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_soft8_rectangle_draw_int(dst, dc, dr);
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}
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dc->clip = c_bkp;
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}
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