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-rw-r--r--render/rastnone.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/render/rastnone.c b/render/rastnone.c
deleted file mode 100644
index 2af45882..00000000
--- a/render/rastnone.c
+++ /dev/null
@@ -1,385 +0,0 @@
-#include <fitz.h>
-
-/* XXX: half of these funcs are totally wrong. fix! */
-
-typedef unsigned char byte;
-
-/*
- * Mask -- blit one span (clipped and adjusted)
- *
- * mask_g
- * mask_i1
- * mask_o1
- * mask_i1o1
- * mask_o4w3
- * mask_i1o4w3
- */
-
-static void mask_g(int n, byte *src, byte *pix)
-{
- memcpy(pix, src, n);
-}
-
-static void mask_i1(int n, byte *src, byte *dst)
-{
- while (n--)
- {
- dst[0] = fz_mul255(src[0], dst[0]);
- src++;
- dst++;
- }
-}
-
-static void mask_o1(int n, byte *src, byte *dst)
-{
- while (n--)
- {
- dst[0] = src[0] + fz_mul255(dst[0], 255 - src[0]);
- src++;
- dst++;
- }
-}
-
-static void mask_i1o1(int n, byte *src, byte *msk, byte *dst)
-{
- while (n--)
- {
- byte sa = fz_mul255(src[0], msk[0]);
- dst[0] = sa + fz_mul255(dst[0], 255 - sa);
- src++;
- msk++;
- dst++;
- }
-}
-
-static void mask_o4w3(int n, byte *src, byte *dst, byte *rgb)
-{
- byte sa, ssa;
- while (n--)
- {
- sa = src[0];
- ssa = 255 - sa;
- dst[0] = sa + fz_mul255(dst[0], ssa);
- dst[1] = rgb[0] + fz_mul255((short)dst[1] - rgb[0], ssa);
- dst[2] = rgb[1] + fz_mul255((short)dst[2] - rgb[1], ssa);
- dst[3] = rgb[2] + fz_mul255((short)dst[3] - rgb[2], ssa);
- src ++;
- dst += 4;
- }
-}
-
-static void mask_i1o4w3(int n, byte *src, byte *msk, byte *dst, byte *rgb)
-{
- byte sa, ssa;
- while (n--)
- {
- sa = fz_mul255(src[0], msk[0]);
- ssa = 255 - sa;
- dst[0] = sa + fz_mul255(dst[0], ssa);
- dst[1] = rgb[0] + fz_mul255((short)dst[1] - rgb[0], ssa);
- dst[2] = rgb[1] + fz_mul255((short)dst[2] - rgb[1], ssa);
- dst[3] = rgb[2] + fz_mul255((short)dst[3] - rgb[2], ssa);
- src ++;
- msk ++;
- dst += 4;
- }
-}
-
-/*
- * Image -- blit entire image
- *
- * img1_g
- * img1_i1
- * img1_o1
- * img1_i1o1
- * img1_o4w3
- * img1_i1o4w3
- *
- * img4_g
- * img4_o4
- * img4_i1o4
- */
-
-#define lerpmsk(a,b,t) (a + (((b - a) * t) >> 16))
-
-static inline byte getmsk(byte *s, int w, int h, int u, int v)
-{
- if (u < 0 || u >= w) return 0;
- if (v < 0 || v >= h) return 0;
- return s[w * v + u];
-}
-
-static inline int samplemsk(byte *s, int w, int h, int u, int v)
-{
- int ui = u >> 16;
- int vi = v >> 16;
- int ud = u & 0xFFFF;
- int vd = v & 0xFFFF;
- int a = getmsk(s, w, h, ui, vi);
- int b = getmsk(s, w, h, ui+1, vi);
- int c = getmsk(s, w, h, ui, vi+1);
- int d = getmsk(s, w, h, ui+1, vi+1);
- int ab = lerpmsk(a, b, ud);
- int cd = lerpmsk(c, d, ud);
- return lerpmsk(ab, cd, vd);
-}
-
-static inline void lerpargb(byte *dst, byte *a, byte *b, int t)
-{
- dst[0] = lerpmsk(a[0], b[0], t);
- dst[1] = lerpmsk(a[1], b[1], t);
- dst[2] = lerpmsk(a[2], b[2], t);
- dst[3] = lerpmsk(a[3], b[3], t);
-}
-
-static inline byte *getargb(byte *s, int w, int h, int u, int v)
-{
- static byte zero[4] = { 0, 0, 0, 0 };
- if (u < 0 || u >= w) return zero;
- if (v < 0 || v >= h) return zero;
- return s + ((w * v + u) << 2);
-}
-
-static inline void sampleargb(byte *s, int w, int h, int u, int v, byte *abcd)
-{
- byte ab[4];
- byte cd[4];
- int ui = u >> 16;
- int vi = v >> 16;
- int ud = u & 0xFFFF;
- int vd = v & 0xFFFF;
- byte *a = getargb(s, w, h, ui, vi);
- byte *b = getargb(s, w, h, ui+1, vi);
- byte *c = getargb(s, w, h, ui, vi+1);
- byte *d = getargb(s, w, h, ui+1, vi+1);
- lerpargb(ab, a, b, ud);
- lerpargb(cd, c, d, ud);
- lerpargb(abcd, ab, cd, vd);
-}
-
-#define PSRC byte *src, int w, int h, int nx0, int ny
-#define PDST byte *dst0, int dstw
-#define PMSK byte *msk0, int mskw
-#define PCTM int u0, int v0, int fa, int fb, int fc, int fd
-
-#if 0
-static void example(PSRC, PDST, PMSK, PCTM)
-{
- while (ny--)
- {
- byte *dst = dst0;
- byte *msk = msk0;
- int u = u0;
- int v = v0;
- int nx = nx0;
- while (nx--)
- {
- // dst[0] = ... msk[0] ... sample(s, w, h, u, v);
- dst ++;
- msk ++;
- u += fa;
- v += fb;
- }
- u0 += fc;
- v0 += fd;
- dst0 += dstw;
- msk0 += mskw;
- }
-}
-#endif
-
-#define BEGLOOP \
- while (ny--) \
- { \
- byte *dst = dst0; \
- int u = u0; \
- int v = v0; \
- int nx = nx0; \
- while (nx--)
-
-#define ENDLOOP \
- u0 += fc; \
- v0 += fd; \
- dst0 += dstw; \
- }
-
-#define BEGLOOPM \
- while (ny--) \
- { \
- byte *dst = dst0; \
- byte *msk = msk0; \
- int u = u0; \
- int v = v0; \
- int nx = nx0; \
- while (nx--)
-
-#define ENDLOOPM \
- u0 += fc; \
- v0 += fd; \
- dst0 += dstw; \
- msk0 += mskw; \
- }
-
-static void img1_g(PSRC, PDST, PCTM)
-{
- BEGLOOP
- {
- dst[0] = samplemsk(src, w, h, u, v);
- dst ++;
- u += fa;
- v += fb;
- }
- ENDLOOP
-}
-
-static void img1_i1(PSRC, PDST, PCTM)
-{
- BEGLOOP
- {
- dst[0] = fz_mul255(dst[0], samplemsk(src, w, h, u, v));
- dst ++;
- u += fa;
- v += fb;
- }
- ENDLOOP
-}
-
-static void img1_o1(PSRC, PDST, PCTM)
-{
- BEGLOOP
- {
- byte sa = samplemsk(src, w, h, u, v);
- dst[0] = sa + fz_mul255(dst[0], 255 - sa);
- dst ++;
- u += fa;
- v += fb;
- }
- ENDLOOP
-}
-
-static void img1_i1o1(PSRC, PDST, PMSK, PCTM)
-{
- BEGLOOPM
- {
- byte sa = fz_mul255(msk[0], samplemsk(src, w, h, u, v));
- dst[0] = sa + fz_mul255(dst[0], 255 - sa);
- dst ++;
- msk ++;
- u += fa;
- v += fb;
- }
- ENDLOOPM
-}
-
-static void img1_o4w3(PSRC, PDST, PCTM, byte *rgb)
-{
- BEGLOOP
- {
- byte sa = samplemsk(src, w, h, u, v);
- byte ssa = 255 - sa;
- dst[0] = sa + fz_mul255(dst[0], ssa);
- dst[1] = rgb[0] + fz_mul255((short)dst[1] - rgb[0], ssa);
- dst[2] = rgb[1] + fz_mul255((short)dst[2] - rgb[1], ssa);
- dst[3] = rgb[2] + fz_mul255((short)dst[3] - rgb[2], ssa);
- dst += 4;
- u += fa;
- v += fb;
- }
- ENDLOOP
-}
-
-static void img1_i1o4w3(PSRC, PDST, PMSK, PCTM, byte *rgb)
-{
- BEGLOOPM
- {
- byte sa = fz_mul255(msk[0], samplemsk(src, w, h, u, v));
- byte ssa = 255 - sa;
- dst[0] = sa + fz_mul255(dst[0], ssa);
- dst[1] = rgb[0] + fz_mul255((short)dst[1] - rgb[0], ssa);
- dst[2] = rgb[1] + fz_mul255((short)dst[2] - rgb[1], ssa);
- dst[3] = rgb[2] + fz_mul255((short)dst[3] - rgb[2], ssa);
- dst += 4;
- msk ++;
- u += fa;
- v += fb;
- }
- ENDLOOPM
-}
-
-static void img4_g(PSRC, PDST, PCTM)
-{
- BEGLOOP
- {
- sampleargb(src, w, h, u, v, dst);
- dst += 4;
- u += fa;
- v += fb;
- }
- ENDLOOP
-}
-
-static void img4_o4(PSRC, PDST, PCTM)
-{
- byte argb[4];
- BEGLOOP
- {
- sampleargb(src, w, h, u, v, argb);
- byte sa = argb[0];
- byte ssa = 255 - sa;
- dst[0] = sa + fz_mul255(dst[0], ssa);
- dst[1] = argb[1] + fz_mul255(dst[1], ssa);
- dst[2] = argb[2] + fz_mul255(dst[2], ssa);
- dst[3] = argb[3] + fz_mul255(dst[3], ssa);
- dst += 4;
- u += fa;
- v += fb;
- }
- ENDLOOP
-}
-
-static void img4_i1o4(PSRC, PDST, PMSK, PCTM)
-{
- byte argb[4];
- BEGLOOPM
- {
- sampleargb(src, w, h, u, v, argb);
- byte sa = fz_mul255(msk[0], argb[0]);
- byte ssa = 255 - sa;
- dst[0] = argb[0] + fz_mul255(dst[0], ssa);
- dst[1] = argb[1] + fz_mul255((short)dst[1] - argb[1], ssa);
- dst[2] = argb[2] + fz_mul255((short)dst[2] - argb[2], ssa);
- dst[3] = argb[3] + fz_mul255((short)dst[3] - argb[3], ssa);
- dst += 4;
- msk ++;
- u += fa;
- v += fb;
- }
- ENDLOOPM
-}
-
-/*
- *
- */
-
-void
-fz_defaultrastfuncs(fz_rastfuncs *tab)
-{
- tab->mask_g = mask_g;
- tab->mask_i1 = mask_i1;
- tab->mask_o1 = mask_o1;
- tab->mask_i1o1 = mask_i1o1;
- tab->mask_o4w3 = mask_o4w3;
- tab->mask_i1o4w3 = mask_i1o4w3;
-
- tab->img1_g = img1_g;
- tab->img1_i1 = img1_i1;
- tab->img1_o1 = img1_o1;
- tab->img1_i1o1 = img1_i1o1;
- tab->img1_o4w3 = img1_o4w3;
- tab->img1_i1o4w3 = img1_i1o4w3;
-
- tab->img4_g = img4_g;
- tab->img4_o4 = img4_o4;
- tab->img4_i1o4 = img4_i1o4;
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-20 13:43:03 +0000