2004-01-29 21:46:57 -08:00
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{
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int Cy, j;
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DATA32 *pix;
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int r, g, b, a, rr, gg, bb, aa;
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int yap;
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int sow;
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int dyy, dxx;
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2005-05-21 19:49:50 -07:00
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2004-01-29 21:46:57 -08:00
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dptr = dst_ptr;
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sow = src->image->w;
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dyy = dst_clip_y - dst_region_y;
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dxx = dst_clip_x - dst_region_x;
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if (src->flags & RGBA_IMAGE_HAS_ALPHA)
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{
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for (y = 0; y < dst_clip_h; y++)
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{
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Cy = YAP >> 16;
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yap = YAP & 0xffff;
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for (x = 0; x < dst_clip_w; x++)
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{
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pix = ypoints[dyy + y] + xpoints[dxx + x] + (src_region_y * sow) + src_region_x;
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r = (R_VAL(pix) * yap) >> 10;
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g = (G_VAL(pix) * yap) >> 10;
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b = (B_VAL(pix) * yap) >> 10;
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a = (A_VAL(pix) * yap) >> 10;
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for (j = (1 << 14) - yap; j > Cy; j -= Cy)
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{
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pix += sow;
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r += (R_VAL(pix) * Cy) >> 10;
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g += (G_VAL(pix) * Cy) >> 10;
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b += (B_VAL(pix) * Cy) >> 10;
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a += (A_VAL(pix) * Cy) >> 10;
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}
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if (j > 0)
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{
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pix += sow;
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r += (R_VAL(pix) * j) >> 10;
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g += (G_VAL(pix) * j) >> 10;
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b += (B_VAL(pix) * j) >> 10;
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a += (A_VAL(pix) * j) >> 10;
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}
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if (XAP > 0)
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{
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pix = ypoints[dyy + y] + xpoints[dxx + x] + 1 + (src_region_y * sow) + src_region_x;
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rr = (R_VAL(pix) * yap) >> 10;
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gg = (G_VAL(pix) * yap) >> 10;
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bb = (B_VAL(pix) * yap) >> 10;
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aa = (A_VAL(pix) * yap) >> 10;
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for (j = (1 << 14) - yap; j > Cy; j -= Cy)
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{
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pix += sow;
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rr += (R_VAL(pix) * Cy) >> 10;
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gg += (G_VAL(pix) * Cy) >> 10;
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bb += (B_VAL(pix) * Cy) >> 10;
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aa += (A_VAL(pix) * Cy) >> 10;
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}
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if (j > 0)
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{
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pix += sow;
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rr += (R_VAL(pix) * j) >> 10;
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gg += (G_VAL(pix) * j) >> 10;
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bb += (B_VAL(pix) * j) >> 10;
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aa += (A_VAL(pix) * j) >> 10;
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}
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r = r * INV_XAP;
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g = g * INV_XAP;
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b = b * INV_XAP;
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a = a * INV_XAP;
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r = (r + ((rr * XAP))) >> 12;
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g = (g + ((gg * XAP))) >> 12;
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b = (b + ((bb * XAP))) >> 12;
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a = (a + ((aa * XAP))) >> 12;
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}
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else
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{
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r >>= 4;
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g >>= 4;
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b >>= 4;
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a >>= 4;
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}
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buf[x] = RGBA_COMPOSE(r, g, b, a);
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}
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if (dc->mod.use)
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func_cmod(buf, dptr, dst_clip_w, dc->mod.r, dc->mod.g, dc->mod.b, dc->mod.a);
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else if (dc->mul.use)
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func_mul(buf, dptr, dst_clip_w, dc->mul.col);
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else
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func(buf, dptr, dst_clip_w);
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dptr += dst_w;
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}
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}
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else
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{
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for (y = 0; y < dst_clip_h; y++)
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{
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Cy = YAP >> 16;
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yap = YAP & 0xffff;
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for (x = 0; x < dst_clip_w; x++)
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{
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pix = ypoints[dyy + y] + xpoints[dxx + x] + (src_region_y * sow) + src_region_x;
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r = (R_VAL(pix) * yap) >> 10;
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g = (G_VAL(pix) * yap) >> 10;
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b = (B_VAL(pix) * yap) >> 10;
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for (j = (1 << 14) - yap; j > Cy; j -= Cy)
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{
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pix += sow;
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r += (R_VAL(pix) * Cy) >> 10;
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g += (G_VAL(pix) * Cy) >> 10;
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b += (B_VAL(pix) * Cy) >> 10;
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}
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if (j > 0)
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{
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pix += sow;
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r += (R_VAL(pix) * j) >> 10;
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g += (G_VAL(pix) * j) >> 10;
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b += (B_VAL(pix) * j) >> 10;
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}
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if (XAP > 0)
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{
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pix = ypoints[dyy + y] + xpoints[dxx + x] + 1 + (src_region_y * sow) + src_region_x;
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rr = (R_VAL(pix) * yap) >> 10;
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gg = (G_VAL(pix) * yap) >> 10;
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bb = (B_VAL(pix) * yap) >> 10;
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for (j = (1 << 14) - yap; j > Cy; j -= Cy)
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{
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pix += sow;
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rr += (R_VAL(pix) * Cy) >> 10;
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gg += (G_VAL(pix) * Cy) >> 10;
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bb += (B_VAL(pix) * Cy) >> 10;
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}
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if (j > 0)
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{
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pix += sow;
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rr += (R_VAL(pix) * j) >> 10;
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gg += (G_VAL(pix) * j) >> 10;
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bb += (B_VAL(pix) * j) >> 10;
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}
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r = r * INV_XAP;
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g = g * INV_XAP;
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b = b * INV_XAP;
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r = (r + ((rr * XAP))) >> 12;
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g = (g + ((gg * XAP))) >> 12;
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b = (b + ((bb * XAP))) >> 12;
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}
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else
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{
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r >>= 4;
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g >>= 4;
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b >>= 4;
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}
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buf[x] = RGBA_COMPOSE(r, g, b, 0xff);
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}
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if (dc->mod.use)
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func_cmod(buf, dptr, dst_clip_w, dc->mod.r, dc->mod.g, dc->mod.b, dc->mod.a);
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else if (dc->mul.use)
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func_mul(buf, dptr, dst_clip_w, dc->mul.col);
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else
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func(buf, dptr, dst_clip_w);
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dptr += dst_w;
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}
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}
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}
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