1 /* libs/graphics/sgl/SkScan.cpp
2 **
3 ** Copyright 2006, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 #include "SkScan.h"
19 #include "SkBlitter.h"
20 #include "SkRegion.h"
21
blitrect(SkBlitter * blitter,const SkIRect & r)22 static inline void blitrect(SkBlitter* blitter, const SkIRect& r) {
23 blitter->blitRect(r.fLeft, r.fTop, r.width(), r.height());
24 }
25
FillIRect(const SkIRect & r,const SkRegion * clip,SkBlitter * blitter)26 void SkScan::FillIRect(const SkIRect& r, const SkRegion* clip,
27 SkBlitter* blitter) {
28 if (!r.isEmpty()) {
29 if (clip) {
30 if (clip->isRect()) {
31 const SkIRect& clipBounds = clip->getBounds();
32
33 if (clipBounds.contains(r)) {
34 blitrect(blitter, r);
35 } else {
36 SkIRect rr = r;
37 if (rr.intersect(clipBounds)) {
38 blitrect(blitter, rr);
39 }
40 }
41 } else {
42 SkRegion::Cliperator cliper(*clip, r);
43 const SkIRect& rr = cliper.rect();
44
45 while (!cliper.done()) {
46 blitrect(blitter, rr);
47 cliper.next();
48 }
49 }
50 } else {
51 blitrect(blitter, r);
52 }
53 }
54 }
55
FillXRect(const SkXRect & xr,const SkRegion * clip,SkBlitter * blitter)56 void SkScan::FillXRect(const SkXRect& xr, const SkRegion* clip,
57 SkBlitter* blitter) {
58 SkIRect r;
59
60 XRect_round(xr, &r);
61 SkScan::FillIRect(r, clip, blitter);
62 }
63
64 #ifdef SK_SCALAR_IS_FLOAT
65
FillRect(const SkRect & r,const SkRegion * clip,SkBlitter * blitter)66 void SkScan::FillRect(const SkRect& r, const SkRegion* clip,
67 SkBlitter* blitter) {
68 SkIRect ir;
69
70 r.round(&ir);
71 SkScan::FillIRect(ir, clip, blitter);
72 }
73
74 #endif
75
76