375 lines
7.5 KiB
C
375 lines
7.5 KiB
C
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/*
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This file is #included by draw-paint.c multiple times to
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produce optimised plotters.
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*/
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#ifdef ALPHA
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#define NAME alpha
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#else
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#define NAME solid
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#endif
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#ifdef DA
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#define NAME2 _da
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#else
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#define NAME2
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#endif
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#ifdef EOP
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#define NAME3 _op
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#else
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#define NAME3
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#endif
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#define FUNCTION_NAMER(NAME,N,NAME2,NAME3) fz_paint_glyph_##NAME##_##N##NAME2##NAME3
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#define FUNCTION_NAME(NAME,N,NAME2,NAME3) FUNCTION_NAMER(NAME,N,NAME2,NAME3)
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#ifdef EOP
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#define IF_OVERPRINT_COMPONENT(k) if (fz_overprint_component(eop, k))
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#else
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#define IF_OVERPRINT_COMPONENT(k) if (1)
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#endif
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static inline void
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FUNCTION_NAME(NAME,N,NAME2,NAME3)(const unsigned char * FZ_RESTRICT colorbv,
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#ifndef N
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const int n1,
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#endif
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int span, unsigned char * FZ_RESTRICT dp, const fz_glyph *glyph, int w, int h, int skip_x, int skip_y
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#ifdef EOP
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, const fz_overprint *eop
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#endif
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)
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{
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#ifdef N
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const int n1 = N;
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#endif
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#ifdef DA
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const int n = n1 + 1;
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#else
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const int n = n1;
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#endif
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#ifdef ALPHA
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int sa = FZ_EXPAND(colorbv[n1]);
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#else
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#if defined(N) && N == 1 && defined(DA)
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const uint16_t color = *(const uint16_t *)colorbv;
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#elif defined(N) && N == 3 && defined(DA)
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const uint32_t color = *(const uint32_t *)colorbv;
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#elif defined(N) && N == 4 && !defined(DA)
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const uint32_t color = *(const uint32_t *)colorbv;
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#endif
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#endif
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TRACK_FN();
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while (h--)
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{
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int skip_xx, ww, len, extend;
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const unsigned char *runp;
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unsigned char *ddp = dp;
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int offset = ((int *)(glyph->data))[skip_y++];
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if (offset >= 0)
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{
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int eol = 0;
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runp = &glyph->data[offset];
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extend = 0;
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ww = w;
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skip_xx = skip_x;
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while (skip_xx)
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{
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int v = *runp++;
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switch (v & 3)
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{
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case 0: /* Extend */
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extend = v>>2;
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len = 0;
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break;
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case 1: /* Transparent */
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len = (v>>2) + 1 + (extend<<6);
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extend = 0;
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if (len > skip_xx)
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{
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len -= skip_xx;
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goto transparent_run;
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}
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break;
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case 2: /* Solid */
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eol = v & 4;
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len = (v>>3) + 1 + (extend<<5);
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extend = 0;
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if (len > skip_xx)
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{
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len -= skip_xx;
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goto solid_run;
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}
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break;
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default: /* Intermediate */
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eol = v & 4;
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len = (v>>3) + 1 + (extend<<5);
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extend = 0;
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if (len > skip_xx)
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{
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runp += skip_xx;
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len -= skip_xx;
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goto intermediate_run;
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}
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runp += len;
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break;
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}
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if (eol)
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{
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ww = 0;
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break;
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}
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skip_xx -= len;
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}
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while (ww > 0)
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{
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int v = *runp++;
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switch(v & 3)
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{
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case 0: /* Extend */
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extend = v>>2;
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break;
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case 1: /* Transparent */
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len = (v>>2) + 1 + (extend<<6);
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extend = 0;
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transparent_run:
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if (len > ww)
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len = ww;
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ww -= len;
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ddp += len * n;
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break;
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case 2: /* Solid */
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eol = v & 4;
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len = (v>>3) + 1 + (extend<<5);
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extend = 0;
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solid_run:
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if (len > ww)
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len = ww;
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ww -= len;
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do
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{
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#ifdef ALPHA
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#if defined(N) && N == 1
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = FZ_BLEND(colorbv[0], ddp[0], sa);
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#ifdef DA
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ddp[1] = FZ_BLEND(0xFF, ddp[1], sa);
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ddp += 2;
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#else
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ddp++;
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#endif
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#elif defined(N) && N == 3
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = FZ_BLEND(colorbv[0], ddp[0], sa);
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = FZ_BLEND(colorbv[1], ddp[1], sa);
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = FZ_BLEND(colorbv[2], ddp[2], sa);
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#ifdef DA
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ddp[3] = FZ_BLEND(0xFF, ddp[3], sa);
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ddp += 4;
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#else
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ddp += 3;
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#endif
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#elif defined(N) && N == 4
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = FZ_BLEND(colorbv[0], ddp[0], sa);
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = FZ_BLEND(colorbv[1], ddp[1], sa);
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = FZ_BLEND(colorbv[2], ddp[2], sa);
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IF_OVERPRINT_COMPONENT(3)
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ddp[3] = FZ_BLEND(colorbv[3], ddp[3], sa);
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#ifdef DA
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ddp[4] = FZ_BLEND(0xFF, ddp[4], sa);
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ddp += 5;
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#else
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ddp += 4;
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#endif
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#else
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int k = 0;
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do
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{
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IF_OVERPRINT_COMPONENT(k)
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*ddp = FZ_BLEND(colorbv[k], *ddp, sa);
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k++;
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ddp++;
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}
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while (k != n1);
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#ifdef DA
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*ddp = FZ_BLEND(0xFF, *ddp, sa);
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ddp++;
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#endif
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#endif
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#else
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#if defined(N) && N == 1
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#ifdef DA
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#ifdef EOP
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = colorbv[0];
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IF_OVERPRINT_COMPONENT(1)
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*ddp[1] = colorbv[1];
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#else
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*(uint16_t *)ddp = color;
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#endif
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ddp += 2;
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#else
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*ddp++ = colorbv[0];
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#endif
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#elif defined(N) && N == 3
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#ifdef DA
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#ifdef EOP
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = colorbv[0];
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = colorbv[1];
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = colorbv[2];
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IF_OVERPRINT_COMPONENT(3)
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#else
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*(uint32_t *)ddp = color;
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#endif
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ddp += 4;
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#else
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = colorbv[0];
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = colorbv[1];
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = colorbv[2];
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ddp += 3;
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#endif
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#elif defined(N) && N == 4
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#ifdef DA
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = colorbv[0];
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = colorbv[1];
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = colorbv[2];
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IF_OVERPRINT_COMPONENT(3)
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ddp[3] = colorbv[3];
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ddp[4] = colorbv[4];
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ddp += 5;
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#else
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#ifdef EOP
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = colorbv[0];
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = colorbv[1];
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = colorbv[2];
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ddp[3] = colorbv[3];
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#else
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*(uint32_t *)ddp = color;
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#endif
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ddp += 4;
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#endif
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#else
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int k = 0;
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do
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{
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IF_OVERPRINT_COMPONENT(k)
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*ddp = colorbv[k];
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k++;
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ddp++;
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}
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while (k != n);
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#endif
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#endif
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}
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while (--len);
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break;
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default: /* Intermediate */
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eol = v & 4;
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len = (v>>3) + 1 + (extend<<5);
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extend = 0;
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intermediate_run:
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if (len > ww)
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len = ww;
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ww -= len;
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do
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{
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int k = 0;
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int a = *runp++;
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#ifdef ALPHA
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a = FZ_COMBINE(sa, FZ_EXPAND(a));
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#else
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a = FZ_EXPAND(a);
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#endif
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(void)k;
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#if defined(N) && N == 1
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = FZ_BLEND(colorbv[0], ddp[0], a);
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#ifdef DA
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ddp[1] = FZ_BLEND(0xFF, ddp[1], a);
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ddp += 2;
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#else
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ddp++;
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#endif
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#elif defined(N) && N == 3
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = FZ_BLEND(colorbv[0], ddp[0], a);
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = FZ_BLEND(colorbv[1], ddp[1], a);
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = FZ_BLEND(colorbv[2], ddp[2], a);
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#ifdef DA
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ddp[3] = FZ_BLEND(0xFF, ddp[3], a);
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ddp += 4;
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#else
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ddp += 3;
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#endif
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#elif defined(N) && N == 4
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IF_OVERPRINT_COMPONENT(0)
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ddp[0] = FZ_BLEND(colorbv[0], ddp[0], a);
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IF_OVERPRINT_COMPONENT(1)
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ddp[1] = FZ_BLEND(colorbv[1], ddp[1], a);
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IF_OVERPRINT_COMPONENT(2)
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ddp[2] = FZ_BLEND(colorbv[2], ddp[2], a);
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IF_OVERPRINT_COMPONENT(3)
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ddp[3] = FZ_BLEND(colorbv[3], ddp[3], a);
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#ifdef DA
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ddp[4] = FZ_BLEND(0xFF, ddp[4], a);
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ddp += 5;
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#else
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ddp += 4;
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#endif
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#else
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do
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{
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IF_OVERPRINT_COMPONENT(k)
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*ddp = FZ_BLEND(colorbv[k], *ddp, a);
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k++;
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ddp++;
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}
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while (k != n1);
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#ifdef DA
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*ddp = FZ_BLEND(0xFF, *ddp, a);
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ddp++;
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#endif
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#endif
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}
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while (--len);
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break;
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}
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if (eol)
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break;
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}
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}
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dp += span;
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}
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}
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#undef NAME
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#undef ALPHA
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#undef NAME2
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#undef NAME3
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#undef EOP
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#undef DA
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#undef N
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#undef FUNCTION_NAMER
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#undef FUNCTION_NAME
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#undef IF_OVERPRINT_COMPONENT
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