#include <lib/gdi/gpixmap.h>
+#include <lib/gdi/region.h>
gLookup::gLookup()
:size(0), lookup(0)
contentlock.unlock(1);
}
-void gPixmap::fill(const eRect &area, const gColor &color)
+void gPixmap::fill(const gRegion ®ion, const gColor &color)
{
- if ((area.height()<=0) || (area.width()<=0))
- return;
- if (surface->bpp == 8)
- for (int y=area.top(); y<area.bottom(); y++)
- memset(((__u8*)surface->data)+y*surface->stride+area.left(), color.color, area.width());
- else if (surface->bpp == 32)
- for (int y=area.top(); y<area.bottom(); y++)
+ int i;
+ for (i=0; i<region.rects.size(); ++i)
+ {
+ const eRect &area = region.rects[i];
+ if ((area.height()<=0) || (area.width()<=0))
+ continue;
+ if (surface->bpp == 8)
{
- __u32 *dst=(__u32*)(((__u8*)surface->data)+y*surface->stride+area.left()*surface->bypp);
- int x=area.width();
- __u32 col;
+ for (int y=area.top(); y<area.bottom(); y++)
+ memset(((__u8*)surface->data)+y*surface->stride+area.left(), color.color, area.width());
+ } else if (surface->bpp == 32)
+ for (int y=area.top(); y<area.bottom(); y++)
+ {
+ __u32 *dst=(__u32*)(((__u8*)surface->data)+y*surface->stride+area.left()*surface->bypp);
+ int x=area.width();
+ __u32 col;
- if (surface->clut.data && color < surface->clut.colors)
- col=(surface->clut.data[color].a<<24)|(surface->clut.data[color].r<<16)|(surface->clut.data[color].g<<8)|(surface->clut.data[color].b);
- else
- col=0x10101*color;
- col^=0xFF000000;
- while (x--)
- *dst++=col;
- }
- else
- eWarning("couldn't fill %d bpp", surface->bpp);
+ if (surface->clut.data && color < surface->clut.colors)
+ col=(surface->clut.data[color].a<<24)|(surface->clut.data[color].r<<16)|(surface->clut.data[color].g<<8)|(surface->clut.data[color].b);
+ else
+ col=0x10101*color;
+ col^=0xFF000000;
+ while (x--)
+ *dst++=col;
+ }
+ else
+ eWarning("couldn't fill %d bpp", surface->bpp);
+ }
}
-void gPixmap::blit(const gPixmap &src, ePoint pos, const eRect &clip, int flag)
+void gPixmap::blit(const gPixmap &src, ePoint pos, const gRegion &clip, int flag)
{
- eRect area=eRect(pos, src.getSize());
- area&=clip;
- area&=eRect(ePoint(0, 0), getSize());
- if ((area.width()<0) || (area.height()<0))
- return;
+ for (int i=0; i<clip.rects.size(); ++i)
+ {
+ eRect area=eRect(pos, src.getSize());
+ area&=clip.rects[i];
+ area&=eRect(ePoint(0, 0), getSize());
+ if ((area.width()<0) || (area.height()<0))
+ continue;
- eRect srcarea=area;
- srcarea.moveBy(-pos.x(), -pos.y());
+ eRect srcarea=area;
+ srcarea.moveBy(-pos.x(), -pos.y());
- if ((surface->bpp == 8) && (src.surface->bpp==8))
- {
- __u8 *srcptr=(__u8*)src.surface->data;
- __u8 *dstptr=(__u8*)surface->data;
-
- srcptr+=srcarea.left()*surface->bypp+srcarea.top()*src.surface->stride;
- dstptr+=area.left()*surface->bypp+area.top()*surface->stride;
- for (int y=0; y<area.height(); y++)
+ if ((surface->bpp == 8) && (src.surface->bpp==8))
{
- if (flag & blitAlphaTest)
+ __u8 *srcptr=(__u8*)src.surface->data;
+ __u8 *dstptr=(__u8*)surface->data;
+
+ srcptr+=srcarea.left()*surface->bypp+srcarea.top()*src.surface->stride;
+ dstptr+=area.left()*surface->bypp+area.top()*surface->stride;
+ for (int y=0; y<area.height(); y++)
{
- // no real alphatest yet
- int width=area.width();
- unsigned char *src=(unsigned char*)srcptr;
- unsigned char *dst=(unsigned char*)dstptr;
- // use duff's device here!
- while (width--)
+ if (flag & blitAlphaTest)
{
- if (!*src)
+ // no real alphatest yet
+ int width=area.width();
+ unsigned char *src=(unsigned char*)srcptr;
+ unsigned char *dst=(unsigned char*)dstptr;
+ // use duff's device here!
+ while (width--)
{
- src++;
- dst++;
- } else
- *dst++=*src++;
- }
- } else
- memcpy(dstptr, srcptr, area.width()*surface->bypp);
- srcptr+=src.surface->stride;
- dstptr+=surface->stride;
- }
- } else if ((surface->bpp == 32) && (src.surface->bpp==8))
- {
- __u8 *srcptr=(__u8*)src.surface->data;
- __u8 *dstptr=(__u8*)surface->data; // !!
- __u32 pal[256];
-
- for (int i=0; i<256; ++i)
- {
- if (src.surface->clut.data && (i<src.surface->clut.colors))
- pal[i]=(src.surface->clut.data[i].a<<24)|(src.surface->clut.data[i].r<<16)|(src.surface->clut.data[i].g<<8)|(src.surface->clut.data[i].b);
- else
- pal[i]=0x010101*i;
- pal[i]^=0xFF000000;
- }
+ if (!*src)
+ {
+ src++;
+ dst++;
+ } else
+ *dst++=*src++;
+ }
+ } else
+ memcpy(dstptr, srcptr, area.width()*surface->bypp);
+ srcptr+=src.surface->stride;
+ dstptr+=surface->stride;
+ }
+ } else if ((surface->bpp == 32) && (src.surface->bpp==8))
+ {
+ __u8 *srcptr=(__u8*)src.surface->data;
+ __u8 *dstptr=(__u8*)surface->data; // !!
+ __u32 pal[256];
+
+ for (int i=0; i<256; ++i)
+ {
+ if (src.surface->clut.data && (i<src.surface->clut.colors))
+ pal[i]=(src.surface->clut.data[i].a<<24)|(src.surface->clut.data[i].r<<16)|(src.surface->clut.data[i].g<<8)|(src.surface->clut.data[i].b);
+ else
+ pal[i]=0x010101*i;
+ pal[i]^=0xFF000000;
+ }
- srcptr+=srcarea.left()*surface->bypp+srcarea.top()*src.surface->stride;
- dstptr+=area.left()*surface->bypp+area.top()*surface->stride;
- for (int y=0; y<area.height(); y++)
- {
- if (flag & blitAlphaTest)
+ srcptr+=srcarea.left()*surface->bypp+srcarea.top()*src.surface->stride;
+ dstptr+=area.left()*surface->bypp+area.top()*surface->stride;
+ for (int y=0; y<area.height(); y++)
{
- // no real alphatest yet
- int width=area.width();
- unsigned char *src=(unsigned char*)srcptr;
- __u32 *dst=(__u32*)dstptr;
- // use duff's device here!
- while (width--)
+ if (flag & blitAlphaTest)
{
- if (!*src)
+ // no real alphatest yet
+ int width=area.width();
+ unsigned char *src=(unsigned char*)srcptr;
+ __u32 *dst=(__u32*)dstptr;
+ // use duff's device here!
+ while (width--)
{
- src++;
- dst++;
- } else
+ if (!*src)
+ {
+ src++;
+ dst++;
+ } else
+ *dst++=pal[*src++];
+ }
+ } else
+ {
+ int width=area.width();
+ unsigned char *src=(unsigned char*)srcptr;
+ __u32 *dst=(__u32*)dstptr;
+ while (width--)
*dst++=pal[*src++];
}
- } else
- {
- int width=area.width();
- unsigned char *src=(unsigned char*)srcptr;
- __u32 *dst=(__u32*)dstptr;
- while (width--)
- *dst++=pal[*src++];
+ srcptr+=src.surface->stride;
+ dstptr+=surface->stride;
}
- srcptr+=src.surface->stride;
- dstptr+=surface->stride;
- }
- } else
- eFatal("cannot blit %dbpp from %dbpp", surface->bpp, src.surface->bpp);
+ } else
+ eFatal("cannot blit %dbpp from %dbpp", surface->bpp, src.surface->bpp);
+ }
}
void gPixmap::mergePalette(const gPixmap &target)
delete [] lookup;
}
-void gPixmap::line(ePoint start, ePoint dst, gColor color)
+static inline int sgn(int a)
+{
+ if (a < 0)
+ return -1;
+ else if (!a)
+ return 0;
+ else
+ return 1;
+}
+
+void gPixmap::line(const gRegion &clip, ePoint start, ePoint dst, gColor color)
{
-int Ax=start.x(),
-Ay=start.y(), Bx=dst.x(),
-By=dst.y(); int dX, dY, fbXincr,
-fbYincr, fbXYincr, dPr, dPru, P; __u8
-*AfbAddr = &((__u8*)surface->data)[Ay*surface->stride+Ax*surface->bypp]; __u8
-*BfbAddr = &((__u8*)surface->data)[By*surface->stride+Bx*surface->bypp]; fbXincr=
-surface->bypp; if ( (dX=Bx-Ax) >= 0) goto AFTERNEGX; dX=-dX;
-fbXincr=-1; AFTERNEGX: fbYincr=surface->stride; if ( (dY=By
--Ay) >= 0) goto AFTERNEGY; fbYincr=-surface->stride; dY=-dY;AFTERNEGY:
-fbXYincr = fbXincr+fbYincr; if (dY > dX) goto YisIndependent; dPr = dY+
-dY; P = -dX; dPru = P+P; dY = dX>>1; XLOOP: *AfbAddr=color; *BfbAddr=color; if ((P+=dPr) > 0)
-goto RightAndUp; AfbAddr+=fbXincr; BfbAddr-=fbXincr; if ((dY=dY-1) > 0) goto XLOOP; *AfbAddr=color; if ((dX & 1)
-== 0) return; *BfbAddr=color; return; RightAndUp: AfbAddr+=fbXYincr; BfbAddr-=fbXYincr; P+=dPru; if ((dY=dY-1) >
-0) goto XLOOP; *AfbAddr=color; if ((dX & 1) == 0) return; *BfbAddr=color; return; YisIndependent: dPr = dX+dX; P
-= -dY; dPru = P+P; dX = dY>>1; YLOOP: *AfbAddr=color; *BfbAddr=color; if ((P+=dPr) > 0) goto RightAndUp2; AfbAddr
-+=fbYincr; BfbAddr-=fbYincr; if ((dX=dX-1) > 0) goto YLOOP; *AfbAddr=color; if ((dY & 1) == 0) return; *BfbAddr=
-color;return; RightAndUp2: AfbAddr+=fbXYincr; BfbAddr-=fbXYincr; P+=dPru; if ((dX=dX-1) > 0) goto YLOOP; *AfbAddr
-=color; if((dY & 1) == 0) return; *BfbAddr=color; return;
+ __u8 *srf = (__u8*)surface->data;
+ int stride = surface->stride;
+
+ if (clip.rects.empty())
+ return;
+
+ int xa = start.x(), ya = start.y(), xb = dst.x(), yb = dst.y();
+ int dx, dy, x, y, s1, s2, e, temp, swap, i;
+ dy=abs(yb-ya);
+ dx=abs(xb-xa);
+ s1=sgn(xb-xa);
+ s2=sgn(yb-ya);
+ x=xa;
+ y=ya;
+ if (dy>dx)
+ {
+ temp=dx;
+ dx=dy;
+ dy=temp;
+ swap=1;
+ } else
+ swap=0;
+ e = 2*dy-dx;
+ int lasthit = 0;
+ for(i=1; i<=dx; i++)
+ {
+ /* i don't like this clipping loop, but the only */
+ /* other choice i see is to calculate the intersections */
+ /* before iterating through the pixels. */
+
+ /* one could optimize this because of the ordering */
+ /* of the bands. */
+
+ lasthit = 0;
+ int a = lasthit;
+
+ /* if last pixel was invisble, first check bounding box */
+ if (a == -1)
+ {
+ /* check if we just got into the bbox again */
+ if (clip.extends.contains(x, y))
+ lasthit = a = 0;
+ else
+ goto fail;
+ } else if (!clip.rects[a].contains(x, y))
+ {
+ do
+ {
+ ++a;
+ if (a == clip.rects.size())
+ a = 0;
+ if (a == lasthit)
+ {
+ goto fail;
+ lasthit = -1;
+ }
+ } while (!clip.rects[a].contains(x, y));
+ lasthit = a;
+ }
+ srf[y * stride + x] = color;
+fail:
+ while (e>=0)
+ {
+ if (swap==1) x+=s1;
+ else y+=s2;
+ e-=2*dx;
+ }
+ if (swap==1)
+ y+=s2;
+ else
+ x+=s1;
+ e+=2*dy;
+ }
}
gColor gPalette::findColor(const gRGB &rgb) const
projects / vuplus_dvbapp / blobdiff