The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/skia/trunk/src/core/SkScan.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,109 @@
     1.4 +
     1.5 +/*
     1.6 + * Copyright 2006 The Android Open Source Project
     1.7 + *
     1.8 + * Use of this source code is governed by a BSD-style license that can be
     1.9 + * found in the LICENSE file.
    1.10 + */
    1.11 +
    1.12 +
    1.13 +#include "SkScan.h"
    1.14 +#include "SkBlitter.h"
    1.15 +#include "SkRasterClip.h"
    1.16 +
    1.17 +static inline void blitrect(SkBlitter* blitter, const SkIRect& r) {
    1.18 +    blitter->blitRect(r.fLeft, r.fTop, r.width(), r.height());
    1.19 +}
    1.20 +
    1.21 +void SkScan::FillIRect(const SkIRect& r, const SkRegion* clip,
    1.22 +                       SkBlitter* blitter) {
    1.23 +    if (!r.isEmpty()) {
    1.24 +        if (clip) {
    1.25 +            if (clip->isRect()) {
    1.26 +                const SkIRect& clipBounds = clip->getBounds();
    1.27 +
    1.28 +                if (clipBounds.contains(r)) {
    1.29 +                    blitrect(blitter, r);
    1.30 +                } else {
    1.31 +                    SkIRect rr = r;
    1.32 +                    if (rr.intersect(clipBounds)) {
    1.33 +                        blitrect(blitter, rr);
    1.34 +                    }
    1.35 +                }
    1.36 +            } else {
    1.37 +                SkRegion::Cliperator    cliper(*clip, r);
    1.38 +                const SkIRect&          rr = cliper.rect();
    1.39 +
    1.40 +                while (!cliper.done()) {
    1.41 +                    blitrect(blitter, rr);
    1.42 +                    cliper.next();
    1.43 +                }
    1.44 +            }
    1.45 +        } else {
    1.46 +            blitrect(blitter, r);
    1.47 +        }
    1.48 +    }
    1.49 +}
    1.50 +
    1.51 +void SkScan::FillXRect(const SkXRect& xr, const SkRegion* clip,
    1.52 +                       SkBlitter* blitter) {
    1.53 +    SkIRect r;
    1.54 +
    1.55 +    XRect_round(xr, &r);
    1.56 +    SkScan::FillIRect(r, clip, blitter);
    1.57 +}
    1.58 +
    1.59 +void SkScan::FillRect(const SkRect& r, const SkRegion* clip,
    1.60 +                       SkBlitter* blitter) {
    1.61 +    SkIRect ir;
    1.62 +
    1.63 +    r.round(&ir);
    1.64 +    SkScan::FillIRect(ir, clip, blitter);
    1.65 +}
    1.66 +
    1.67 +///////////////////////////////////////////////////////////////////////////////
    1.68 +
    1.69 +void SkScan::FillIRect(const SkIRect& r, const SkRasterClip& clip,
    1.70 +                       SkBlitter* blitter) {
    1.71 +    if (clip.isEmpty() || r.isEmpty()) {
    1.72 +        return;
    1.73 +    }
    1.74 +
    1.75 +    if (clip.isBW()) {
    1.76 +        FillIRect(r, &clip.bwRgn(), blitter);
    1.77 +        return;
    1.78 +    }
    1.79 +
    1.80 +    SkAAClipBlitterWrapper wrapper(clip, blitter);
    1.81 +    FillIRect(r, &wrapper.getRgn(), wrapper.getBlitter());
    1.82 +}
    1.83 +
    1.84 +void SkScan::FillXRect(const SkXRect& xr, const SkRasterClip& clip,
    1.85 +                       SkBlitter* blitter) {
    1.86 +    if (clip.isEmpty() || xr.isEmpty()) {
    1.87 +        return;
    1.88 +    }
    1.89 +
    1.90 +    if (clip.isBW()) {
    1.91 +        FillXRect(xr, &clip.bwRgn(), blitter);
    1.92 +        return;
    1.93 +    }
    1.94 +
    1.95 +    SkAAClipBlitterWrapper wrapper(clip, blitter);
    1.96 +    FillXRect(xr, &wrapper.getRgn(), wrapper.getBlitter());
    1.97 +}
    1.98 +
    1.99 +void SkScan::FillRect(const SkRect& r, const SkRasterClip& clip,
   1.100 +                      SkBlitter* blitter) {
   1.101 +    if (clip.isEmpty() || r.isEmpty()) {
   1.102 +        return;
   1.103 +    }
   1.104 +
   1.105 +    if (clip.isBW()) {
   1.106 +        FillRect(r, &clip.bwRgn(), blitter);
   1.107 +        return;
   1.108 +    }
   1.109 +
   1.110 +    SkAAClipBlitterWrapper wrapper(clip, blitter);
   1.111 +    FillRect(r, &wrapper.getRgn(), wrapper.getBlitter());
   1.112 +}