1999-08-01 15:14:11 -07:00
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#include "common.h"
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1999-09-12 18:56:57 -07:00
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#include <X11/Xlib.h>
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#include "image.h"
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1999-08-01 15:14:11 -07:00
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#include "blend.h"
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1999-09-12 18:56:57 -07:00
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#include "scale.h"
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1999-08-01 15:14:11 -07:00
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1999-09-09 19:33:11 -07:00
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void
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__imlib_BlendRGBAToData(DATA32 *src, int src_w, int src_h, DATA32 *dst,
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int dst_w, int dst_h, int sx, int sy, int dx, int dy,
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1999-09-13 21:21:29 -07:00
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int w, int h, char dalpha, ImlibColorModifier *cm,
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ImlibOp op)
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1999-09-09 19:33:11 -07:00
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{
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if (sx < 0)
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{
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w += sx;
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dx -= sx;
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sx = 0;
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}
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if (sy < 0)
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{
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h += sy;
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dy -= sy;
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sy = 0;
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}
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if (dx < 0)
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{
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w += dx;
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sx -= dx;
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dx = 0;
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}
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if (dy < 0)
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{
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h += dy;
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sy -= dy;
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dy = 0;
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}
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if ((w <= 0) || (h <= 0))
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return;
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if ((sx + w) > src_w)
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w = src_w - sx;
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if ((sy + h) > src_h)
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h = src_h - sy;
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if ((dx + w) > dst_w)
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w = dst_w - dx;
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if ((dy + h) > dst_h)
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h = dst_h - dy;
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if ((w <= 0) || (h <= 0))
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return;
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1999-09-14 18:15:55 -07:00
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switch(op)
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{
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case OP_COPY:
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if (dalpha == 0)
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__imlib_BlendRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 1)
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__imlib_BlendRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 2)
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__imlib_CopyRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 3)
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__imlib_CopyRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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break;
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case OP_ADD:
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if (dalpha == 0)
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__imlib_AddBlendRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 1)
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__imlib_AddBlendRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 2)
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__imlib_AddCopyRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 3)
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__imlib_AddCopyRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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break;
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case OP_SUBTRACT:
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if (dalpha == 0)
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__imlib_SubBlendRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 1)
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__imlib_SubBlendRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 2)
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__imlib_SubCopyRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 3)
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__imlib_SubCopyRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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break;
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case OP_RESHADE:
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if (dalpha == 0)
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__imlib_ReBlendRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 1)
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__imlib_ReBlendRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 2)
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__imlib_ReCopyRGBAToRGB(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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else if (dalpha == 3)
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__imlib_ReCopyRGBAToRGBA(src + (sy * src_w) + sx, src_w - w,
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dst + (dy * dst_w) + dx, dst_w - w, w, h);
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break;
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default:
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break;
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}
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1999-09-09 19:33:11 -07:00
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}
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1999-09-14 18:15:55 -07:00
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/* COPY OPS */
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1999-08-01 15:14:11 -07:00
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void
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1999-09-08 10:27:40 -07:00
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__imlib_BlendRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
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1999-08-04 16:36:07 -07:00
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int w, int h)
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1999-08-01 15:14:11 -07:00
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{
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1999-08-05 19:08:36 -07:00
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int x, y;
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DATA32 *p1, *p2;
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for (y = 0; y < h; y++)
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{
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DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb;
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int tmp;
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p1 = src + (y * (w + src_jump));
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p2 = dst + (y * (w + dst_jump));
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for (x = 0; x < w; x++)
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{
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a = (*p1 >> 24) & 0xff;
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1999-09-18 23:28:54 -07:00
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if (a == 255)
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*p2 = *p1;
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else if (a > 0)
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1999-08-05 19:08:36 -07:00
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{
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1999-09-08 10:27:40 -07:00
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b = (*p1 ) & 0xff;
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1999-08-05 19:08:36 -07:00
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g = (*p1 >> 8 ) & 0xff;
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1999-09-08 10:27:40 -07:00
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r = (*p1 >> 16) & 0xff;
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1999-08-05 19:08:36 -07:00
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1999-09-08 10:27:40 -07:00
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bb = (*p2 ) & 0xff;
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1999-08-05 19:08:36 -07:00
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gg = (*p2 >> 8 ) & 0xff;
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1999-09-08 10:27:40 -07:00
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rr = (*p2 >> 16) & 0xff;
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1999-08-05 19:08:36 -07:00
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tmp = (r - rr) * a;
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nr = rr + ((tmp + (tmp >> 8) + 0x80) >> 8);
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tmp = (g - gg) * a;
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ng = gg + ((tmp + (tmp >> 8) + 0x80) >> 8);
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tmp = (b - bb) * a;
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nb = bb + ((tmp + (tmp >> 8) + 0x80) >> 8);
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1999-09-14 18:15:55 -07:00
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*p2 = (nr << 16) | (ng << 8) | nb;
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1999-08-05 19:08:36 -07:00
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}
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p1++;
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p2++;
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}
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}
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1999-08-01 15:14:11 -07:00
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}
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1999-09-08 10:27:40 -07:00
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void
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__imlib_BlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
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int w, int h)
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{
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int x, y;
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DATA32 *p1, *p2;
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for (y = 0; y < h; y++)
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{
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DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb, aa, na;
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int tmp;
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p1 = src + (y * (w + src_jump));
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p2 = dst + (y * (w + dst_jump));
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for (x = 0; x < w; x++)
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{
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a = (*p1 >> 24) & 0xff;
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1999-09-18 23:28:54 -07:00
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if (a == 255)
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*p2 = *p1;
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else if (a > 0)
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1999-09-08 10:27:40 -07:00
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{
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b = (*p1 ) & 0xff;
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g = (*p1 >> 8 ) & 0xff;
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r = (*p1 >> 16) & 0xff;
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bb = (*p2 ) & 0xff;
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gg = (*p2 >> 8 ) & 0xff;
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rr = (*p2 >> 16) & 0xff;
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aa = (*p2 >> 24) & 0xff;
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tmp = (r - rr) * a;
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nr = rr + ((tmp + (tmp >> 8) + 0x80) >> 8);
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tmp = (g - gg) * a;
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ng = gg + ((tmp + (tmp >> 8) + 0x80) >> 8);
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tmp = (b - bb) * a;
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nb = bb + ((tmp + (tmp >> 8) + 0x80) >> 8);
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tmp = a + aa;
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na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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1999-09-14 18:15:55 -07:00
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*p2 = (na << 24) | (nr << 16) |
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(ng << 8) | nb;
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1999-09-08 10:27:40 -07:00
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}
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p1++;
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p2++;
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}
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}
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}
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1999-09-09 19:33:11 -07:00
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1999-09-12 18:56:57 -07:00
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void
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__imlib_CopyRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
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int w, int h)
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{
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int x, y;
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DATA32 *p1, *p2;
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for (y = 0; y < h; y++)
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{
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p1 = src + (y * (w + src_jump));
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p2 = dst + (y * (w + dst_jump));
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for (x = 0; x < w; x++)
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{
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*p2 = (*p2 & 0xff000000) | (*p1 & 0x00ffffff);
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p2++;
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p1++;
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}
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}
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}
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1999-09-09 19:33:11 -07:00
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void
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__imlib_CopyRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
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int w, int h)
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{
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int x, y;
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DATA32 *p1, *p2;
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for (y = 0; y < h; y++)
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{
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p1 = src + (y * (w + src_jump));
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p2 = dst + (y * (w + dst_jump));
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for (x = 0; x < w; x++)
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*p2++ = *p1++;
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}
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}
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1999-09-12 18:56:57 -07:00
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1999-09-14 18:15:55 -07:00
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/* ADD OPS */
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void
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__imlib_AddBlendRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
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int w, int h)
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{
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int x, y;
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DATA32 *p1, *p2;
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for (y = 0; y < h; y++)
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{
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DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb;
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int tmp;
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p1 = src + (y * (w + src_jump));
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p2 = dst + (y * (w + dst_jump));
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for (x = 0; x < w; x++)
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{
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a = (*p1 >> 24) & 0xff;
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b = (*p1 ) & 0xff;
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g = (*p1 >> 8 ) & 0xff;
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r = (*p1 >> 16) & 0xff;
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bb = (*p2 ) & 0xff;
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gg = (*p2 >> 8 ) & 0xff;
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rr = (*p2 >> 16) & 0xff;
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tmp = rr + ((r * a) >> 8);
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nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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tmp = gg + ((g * a) >> 8);
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ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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tmp = bb + ((b * a) >> 8);
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nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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*p2 = (nr << 16) | (ng << 8) | nb;
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p1++;
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p2++;
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}
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}
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}
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void
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__imlib_AddBlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
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int w, int h)
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{
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int x, y;
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DATA32 *p1, *p2;
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for (y = 0; y < h; y++)
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{
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DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb, aa, na;
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int tmp;
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p1 = src + (y * (w + src_jump));
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p2 = dst + (y * (w + dst_jump));
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for (x = 0; x < w; x++)
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{
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a = (*p1 >> 24) & 0xff;
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b = (*p1 ) & 0xff;
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g = (*p1 >> 8 ) & 0xff;
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r = (*p1 >> 16) & 0xff;
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bb = (*p2 ) & 0xff;
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gg = (*p2 >> 8 ) & 0xff;
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rr = (*p2 >> 16) & 0xff;
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aa = (*p2 >> 24) & 0xff;
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tmp = rr + ((r * a) >> 8);
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nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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tmp = gg + ((g * a) >> 8);
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ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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tmp = bb + ((b * a) >> 8);
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nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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tmp = a + aa;
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na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
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*p2 = (na << 24) | (nr << 16) |
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(ng << 8) | nb;
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p1++;
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p2++;
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}
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}
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}
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void
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|
__imlib_AddCopyRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
1999-09-18 23:28:54 -07:00
|
|
|
DATA8 nr, ng, nb, r, g, b, rr, gg, bb;
|
1999-09-14 18:15:55 -07:00
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr + r;
|
|
|
|
nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
tmp = gg + g;
|
|
|
|
ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
tmp = bb + b;
|
|
|
|
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
*p2 = (*p2 & 0xff000000) | (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_AddCopyRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
1999-09-18 23:28:54 -07:00
|
|
|
DATA8 nr, ng, nb, r, g, b, rr, gg, bb;
|
1999-09-14 18:15:55 -07:00
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr + r;
|
|
|
|
nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
tmp = gg + g;
|
|
|
|
ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
tmp = bb + b;
|
|
|
|
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
*p2 = (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* SUBTRACT OPS */
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_SubBlendRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
|
|
|
DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb;
|
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
a = (*p1 >> 24) & 0xff;
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr - ((r * a) >> 8);
|
|
|
|
nr = tmp & (~(tmp >> 8));
|
|
|
|
tmp = gg - ((g * a) >> 8);
|
|
|
|
ng = tmp & (~(tmp >> 8));
|
|
|
|
tmp = bb - ((b * a) >> 8);
|
|
|
|
nb = tmp & (~(tmp >> 8));
|
|
|
|
*p2 = (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_SubBlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
|
|
|
DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb, aa, na;
|
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
a = (*p1 >> 24) & 0xff;
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
aa = (*p2 >> 24) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr - ((r * a) >> 8);
|
|
|
|
nr = tmp & (~(tmp >> 8));
|
|
|
|
tmp = gg - ((g * a) >> 8);
|
|
|
|
ng = tmp & (~(tmp >> 8));
|
|
|
|
tmp = bb - ((b * a) >> 8);
|
|
|
|
nb = tmp & (~(tmp >> 8));
|
|
|
|
tmp = a + aa;
|
|
|
|
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
*p2 = (na << 24) | (nr << 16) |
|
|
|
|
(ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_SubCopyRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
1999-09-18 23:28:54 -07:00
|
|
|
DATA8 nr, ng, nb, r, g, b, rr, gg, bb;
|
1999-09-14 18:15:55 -07:00
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr - r;
|
|
|
|
nr = tmp & (~(tmp >> 8));
|
|
|
|
tmp = gg - g;
|
|
|
|
ng = tmp & (~(tmp >> 8));
|
|
|
|
tmp = bb - b;
|
|
|
|
nb = tmp & (~(tmp >> 8));
|
|
|
|
*p2 = (*p2 & 0xff000000) | (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_SubCopyRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
1999-09-18 23:28:54 -07:00
|
|
|
DATA8 nr, ng, nb, r, g, b, rr, gg, bb;
|
1999-09-14 18:15:55 -07:00
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr - r;
|
|
|
|
nr = tmp & (~(tmp >> 8));
|
|
|
|
tmp = gg - g;
|
|
|
|
ng = tmp & (~(tmp >> 8));
|
|
|
|
tmp = bb - b;
|
|
|
|
nb = tmp & (~(tmp >> 8));
|
|
|
|
*p2 = (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* RESHADE OPS */
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_ReBlendRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
|
|
|
DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb;
|
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
a = (*p1 >> 24) & 0xff;
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr + (((r - 127) * a) >> 7);
|
|
|
|
nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = gg + (((g - 127) * a) >> 7);
|
|
|
|
ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = bb + (((b - 127) * a) >> 7);
|
|
|
|
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
*p2 = (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_ReBlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
|
|
|
DATA8 a, nr, ng, nb, r, g, b, rr, gg, bb, aa, na;
|
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
a = (*p1 >> 24) & 0xff;
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
aa = (*p2 >> 24) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr + (((r - 127) * a) >> 7);
|
|
|
|
nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = gg + (((g - 127) * a) >> 7);
|
|
|
|
ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = bb + (((b - 127) * a) >> 7);
|
|
|
|
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = a + aa;
|
|
|
|
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
|
|
|
|
*p2 = (na << 24) | (nr << 16) |
|
|
|
|
(ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_ReCopyRGBAToRGB(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
1999-09-18 23:28:54 -07:00
|
|
|
DATA8 nr, ng, nb, r, g, b, rr, gg, bb;
|
1999-09-14 18:15:55 -07:00
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr + ((r - 127) << 1);
|
|
|
|
nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = gg + ((g - 127) << 1);
|
|
|
|
ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = bb + ((b - 127) << 1);
|
|
|
|
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
*p2 = (*p2 & 0xff000000) | (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_ReCopyRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
|
|
|
|
int w, int h)
|
|
|
|
{
|
|
|
|
int x, y;
|
|
|
|
DATA32 *p1, *p2;
|
|
|
|
|
|
|
|
for (y = 0; y < h; y++)
|
|
|
|
{
|
1999-09-18 23:28:54 -07:00
|
|
|
DATA8 nr, ng, nb, r, g, b, rr, gg, bb;
|
1999-09-14 18:15:55 -07:00
|
|
|
int tmp;
|
|
|
|
|
|
|
|
p1 = src + (y * (w + src_jump));
|
|
|
|
p2 = dst + (y * (w + dst_jump));
|
|
|
|
for (x = 0; x < w; x++)
|
|
|
|
{
|
|
|
|
b = (*p1 ) & 0xff;
|
|
|
|
g = (*p1 >> 8 ) & 0xff;
|
|
|
|
r = (*p1 >> 16) & 0xff;
|
|
|
|
|
|
|
|
bb = (*p2 ) & 0xff;
|
|
|
|
gg = (*p2 >> 8 ) & 0xff;
|
|
|
|
rr = (*p2 >> 16) & 0xff;
|
|
|
|
|
|
|
|
tmp = rr + ((r - 127) << 1);
|
|
|
|
nr = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = gg + ((g - 127) << 1);
|
|
|
|
ng = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
tmp = bb + ((b - 127) << 1);
|
|
|
|
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 8));
|
|
|
|
*p2 = (nr << 16) | (ng << 8) | nb;
|
|
|
|
p1++;
|
|
|
|
p2++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1999-09-12 18:56:57 -07:00
|
|
|
#define LINESIZE 16
|
|
|
|
#define CLIP(x, y, w, h, xx, yy, ww, hh) \
|
|
|
|
if (x < xx) {w += x; x = xx;} \
|
1999-09-16 18:31:56 -07:00
|
|
|
if (y < yy) {h += y; y = yy;} \
|
1999-09-12 18:56:57 -07:00
|
|
|
if ((x + w) > ww) {w = ww - x;} \
|
|
|
|
if ((y + h) > hh) {h = hh - y;}
|
|
|
|
|
|
|
|
void
|
|
|
|
__imlib_BlendImageToImage(ImlibImage *im_src, ImlibImage *im_dst,
|
|
|
|
char aa, char blend, char merge_alpha,
|
|
|
|
int ssx, int ssy, int ssw, int ssh,
|
1999-09-13 21:21:29 -07:00
|
|
|
int ddx, int ddy, int ddw, int ddh,
|
|
|
|
ImlibColorModifier *cm, ImlibOp op)
|
1999-09-12 18:56:57 -07:00
|
|
|
{
|
|
|
|
if ((!(im_src->data)) && (im_src->loader))
|
|
|
|
im_src->loader->load(im_src, NULL, 0, 1);
|
|
|
|
if ((!(im_dst->data)) && (im_dst->loader))
|
|
|
|
im_dst->loader->load(im_src, NULL, 0, 1);
|
|
|
|
|
|
|
|
if ((ssw == ddw) &&
|
|
|
|
(ssh == ddh))
|
|
|
|
{
|
|
|
|
if (!IMAGE_HAS_ALPHA(im_src))
|
|
|
|
blend = 0;
|
|
|
|
if (!IMAGE_HAS_ALPHA(im_dst))
|
|
|
|
merge_alpha = 0;
|
|
|
|
/* 0 - blend RGB - leave dst A as-is */
|
|
|
|
/* 1 - blend RGB - add src A to dst A */
|
|
|
|
/* 2 - copy RGB - leave dst A as-is */
|
|
|
|
/* 3 - copy RGB - set dst A to src A */
|
|
|
|
if (merge_alpha)
|
|
|
|
{
|
|
|
|
if (blend)
|
|
|
|
__imlib_BlendRGBAToData(im_src->data, im_src->w, im_src->h,
|
|
|
|
im_dst->data, im_dst->w, im_dst->h,
|
|
|
|
ssx, ssy,
|
|
|
|
ddx, ddy,
|
1999-09-13 21:21:29 -07:00
|
|
|
ssw, ssh, 1, cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
else
|
|
|
|
__imlib_BlendRGBAToData(im_src->data, im_src->w, im_src->h,
|
|
|
|
im_dst->data, im_dst->w, im_dst->h,
|
|
|
|
ssx, ssy,
|
|
|
|
ddx, ddy,
|
1999-09-13 21:21:29 -07:00
|
|
|
ssw, ssh, 3, cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (blend)
|
|
|
|
__imlib_BlendRGBAToData(im_src->data, im_src->w, im_src->h,
|
|
|
|
im_dst->data, im_dst->w, im_dst->h,
|
|
|
|
ssx, ssy,
|
|
|
|
ddx, ddy,
|
1999-09-13 21:21:29 -07:00
|
|
|
ssw, ssh, 0, cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
else
|
|
|
|
__imlib_BlendRGBAToData(im_src->data, im_src->w, im_src->h,
|
|
|
|
im_dst->data, im_dst->w, im_dst->h,
|
|
|
|
ssx, ssy,
|
|
|
|
ddx, ddy,
|
1999-09-13 21:21:29 -07:00
|
|
|
ssw, ssh, 2, cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
DATA32 **ypoints = NULL;
|
|
|
|
int *xpoints = NULL;
|
|
|
|
int *yapoints = NULL;
|
|
|
|
int *xapoints = NULL;
|
|
|
|
DATA32 *buf = NULL;
|
|
|
|
int sx, sy, sw, sh, dx, dy, dw, dh, dxx, dyy, scw, sch, y2, x2;
|
|
|
|
int psx, psy, psw, psh;
|
|
|
|
char xup = 0, yup = 0;
|
|
|
|
int y, h, hh;
|
|
|
|
sx = ssx;
|
|
|
|
sy = ssy;
|
|
|
|
sw = ssw;
|
|
|
|
sh = ssh;
|
|
|
|
dx = ddx;
|
|
|
|
dy = ddy;
|
|
|
|
dw = ddw;
|
|
|
|
dh = ddh;
|
|
|
|
/* dont do anything if we have a 0 widht or height image to render */
|
|
|
|
/* if the input rect size < 0 dont render either */
|
|
|
|
if ((dw <= 0) || (dh <= 0) || (sw <= 0) || (sh <= 0))
|
|
|
|
return;
|
|
|
|
/* clip the source rect to be within the actual image */
|
|
|
|
psx = sx;
|
|
|
|
psy = sy;
|
|
|
|
psw = sw;
|
|
|
|
psh = sh;
|
|
|
|
CLIP(sx, sy, sw, sh, 0, 0, im_src->w, im_src->h);
|
|
|
|
/* clip output coords to clipped input coords */
|
|
|
|
if (psx != sx)
|
|
|
|
dx += ((sx - psx) * ddw) / ssw;
|
|
|
|
if (psy != sy)
|
|
|
|
dy += ((sy - psy) * ddh) / ssh;
|
|
|
|
if (psw != sw)
|
|
|
|
dw = (dw * sw) / psw;
|
|
|
|
if (psh != sh)
|
|
|
|
dh = (dh * sh) / psh;
|
|
|
|
if ((dw <= 0) || (dh <= 0) || (sw <= 0) || (sh <= 0))
|
|
|
|
return;
|
|
|
|
psx = dx;
|
|
|
|
psy = dy;
|
|
|
|
psw = dw;
|
|
|
|
psh = dh;
|
|
|
|
x2 = sx;
|
|
|
|
y2 = sy;
|
|
|
|
CLIP(dx, dy, dw, dh, 0, 0, im_dst->w, im_dst->h);
|
|
|
|
if ((dw <= 0) || (dh <= 0) || (sw <= 0) || (sh <= 0))
|
|
|
|
return;
|
|
|
|
if (psx != dx)
|
|
|
|
sx += ((dx - psx) * ssw) / ddw;
|
|
|
|
if (psy != dy)
|
|
|
|
sy += ((dy - psy) * ssh) / ddh;
|
|
|
|
if (psw != dw)
|
|
|
|
sw = (sw * dw) / psw;
|
|
|
|
if (psh != dh)
|
|
|
|
sh = (sh * dh) / psh;
|
|
|
|
dxx = dx - psx;
|
|
|
|
dyy = dy - psy;
|
|
|
|
dxx += (x2 * ddw) / ssw;
|
|
|
|
dyy += (y2 * ddh) / ssh;
|
|
|
|
|
|
|
|
/* do a second check to see if we now have invalid coords */
|
|
|
|
/* dont do anything if we have a 0 widht or height image to render */
|
|
|
|
/* if the input rect size < 0 dont render either */
|
|
|
|
if ((dw <= 0) || (dh <= 0) || (sw <= 0) || (sh <= 0))
|
|
|
|
return;
|
|
|
|
/* calculate the scaling factors of width and height for a whole image */
|
|
|
|
scw = (ddw * im_src->w) / ssw;
|
|
|
|
sch = (ddh * im_src->h) / ssh;
|
|
|
|
/* if we are scaling the image at all make a scaling buffer */
|
|
|
|
if (!((sw == dw) && (sh == dh)))
|
|
|
|
{
|
|
|
|
/* need to calculate ypoitns and xpoints array */
|
|
|
|
ypoints = __imlib_CalcYPoints(im_src->data, im_src->w, im_src->h,
|
|
|
|
sch, im_src->border.top,
|
|
|
|
im_src->border.bottom);
|
|
|
|
if (!ypoints)
|
|
|
|
return;
|
|
|
|
xpoints = __imlib_CalcXPoints(im_src->w, scw,
|
|
|
|
im_src->border.left,
|
|
|
|
im_src->border.right);
|
|
|
|
if (!xpoints)
|
|
|
|
{
|
|
|
|
free(ypoints);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* calculate aliasing counts */
|
|
|
|
if (aa)
|
|
|
|
{
|
|
|
|
yapoints = __imlib_CalcApoints(im_src->h, sch,
|
|
|
|
im_src->border.top,
|
|
|
|
im_src->border.bottom);
|
|
|
|
if (!yapoints)
|
|
|
|
{
|
|
|
|
free(ypoints);
|
|
|
|
free(xpoints);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
xapoints = __imlib_CalcApoints(im_src->w, scw,
|
|
|
|
im_src->border.left,
|
|
|
|
im_src->border.right);
|
|
|
|
if (!xapoints)
|
|
|
|
{
|
|
|
|
free(yapoints);
|
|
|
|
free(ypoints);
|
|
|
|
free(xpoints);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* if we are scaling the image at all make a scaling buffer */
|
|
|
|
/* allocate a buffer to render scaled RGBA data into */
|
|
|
|
buf = malloc(dw * LINESIZE * sizeof(DATA32));
|
|
|
|
if (!buf)
|
|
|
|
{
|
|
|
|
if (aa)
|
|
|
|
{
|
|
|
|
free(xapoints);
|
|
|
|
free(yapoints);
|
|
|
|
}
|
|
|
|
free(ypoints);
|
|
|
|
free(xpoints);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* setup h */
|
|
|
|
h = dh;
|
|
|
|
/* set our scaling up in x / y dir flags */
|
|
|
|
if (dw > sw)
|
|
|
|
xup = 1;
|
|
|
|
if (dh > sh)
|
|
|
|
yup = 1;
|
|
|
|
if (!IMAGE_HAS_ALPHA(im_src))
|
|
|
|
blend = 0;
|
|
|
|
if (!IMAGE_HAS_ALPHA(im_dst))
|
|
|
|
merge_alpha = 0;
|
|
|
|
/* scale in LINESIZE Y chunks and convert to depth*/
|
|
|
|
for (y = 0; y < dh; y += LINESIZE)
|
|
|
|
{
|
|
|
|
hh = LINESIZE;
|
|
|
|
if (h < LINESIZE)
|
|
|
|
hh = h;
|
|
|
|
/* scale the imagedata for this LINESIZE lines chunk of image */
|
|
|
|
if (aa)
|
|
|
|
{
|
|
|
|
if (IMAGE_HAS_ALPHA(im_src))
|
|
|
|
__imlib_ScaleAARGBA(ypoints, xpoints, buf, xapoints,
|
|
|
|
yapoints, xup, yup, dxx, dyy + y,
|
|
|
|
0, 0, dw, hh, dw, im_src->w);
|
|
|
|
else
|
|
|
|
__imlib_ScaleAARGB(ypoints, xpoints, buf, xapoints,
|
|
|
|
yapoints, xup, yup, dxx, dyy + y,
|
|
|
|
0, 0, dw, hh, dw, im_src->w);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
__imlib_ScaleSampleRGBA(ypoints, xpoints, buf, dxx, dyy + y,
|
|
|
|
0, 0, dw, hh, dw);
|
|
|
|
/* 0 - blend RGB - leave dst A as-is */
|
|
|
|
/* 1 - blend RGB - add src A to dst A */
|
|
|
|
/* 2 - copy RGB - leave dst A as-is */
|
|
|
|
/* 3 - copy RGB - set dst A to src A */
|
|
|
|
if (merge_alpha)
|
|
|
|
{
|
|
|
|
if (blend)
|
|
|
|
__imlib_BlendRGBAToData(buf, dw, hh,
|
|
|
|
im_dst->data, im_dst->w,
|
|
|
|
im_dst->h,
|
1999-09-13 21:21:29 -07:00
|
|
|
0, 0, dx, dy + y, dw, dh, 1,
|
|
|
|
cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
else
|
|
|
|
__imlib_BlendRGBAToData(buf, dw, hh,
|
|
|
|
im_dst->data, im_dst->w,
|
|
|
|
im_dst->h,
|
1999-09-13 21:21:29 -07:00
|
|
|
0, 0, dx, dy + y, dw, dh, 3,
|
|
|
|
cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (blend)
|
|
|
|
__imlib_BlendRGBAToData(buf, dw, hh,
|
|
|
|
im_dst->data, im_dst->w,
|
|
|
|
im_dst->h,
|
1999-09-13 21:21:29 -07:00
|
|
|
0, 0, dx, dy + y, dw, dh, 0,
|
|
|
|
cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
else
|
|
|
|
__imlib_BlendRGBAToData(buf, dw, hh,
|
|
|
|
im_dst->data, im_dst->w,
|
|
|
|
im_dst->h,
|
1999-09-13 21:21:29 -07:00
|
|
|
0, 0, dx, dy + y, dw, dh, 2,
|
|
|
|
cm, op);
|
1999-09-12 18:56:57 -07:00
|
|
|
}
|
|
|
|
h -= LINESIZE;
|
|
|
|
}
|
|
|
|
/* free up our buffers and poit tables */
|
|
|
|
if (buf)
|
|
|
|
{
|
|
|
|
free(buf);
|
|
|
|
free(ypoints);
|
|
|
|
free(xpoints);
|
|
|
|
}
|
|
|
|
if (aa)
|
|
|
|
{
|
|
|
|
free(yapoints);
|
|
|
|
free(xapoints);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|