1 /*
2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "draw/draw_image.h"
17
18 #include "gfx_utils/color.h"
19 #include "gfx_utils/graphic_log.h"
20 #include "imgdecode/cache_manager.h"
21
22 namespace OHOS {
DrawCommon(BufferInfo & gfxDstBuffer,const Rect & coords,const Rect & mask,const ImageInfo * img,const Style & style,uint8_t opaScale)23 void DrawImage::DrawCommon(BufferInfo& gfxDstBuffer, const Rect& coords, const Rect& mask,
24 const ImageInfo* img, const Style& style, uint8_t opaScale)
25 {
26 if (img == nullptr) {
27 return;
28 }
29 OpacityType opa = DrawUtils::GetMixOpacity(opaScale, style.imageOpa_);
30 uint8_t pxBitSize = DrawUtils::GetPxSizeByColorMode(img->header.colorMode);
31 DrawUtils::GetInstance()->DrawImage(gfxDstBuffer, coords, mask, img->data, opa, pxBitSize,
32 static_cast<ColorMode>(img->header.colorMode));
33 }
34
DrawCommon(BufferInfo & gfxDstBuffer,const Rect & coords,const Rect & mask,const char * path,const Style & style,uint8_t opaScale)35 void DrawImage::DrawCommon(BufferInfo& gfxDstBuffer, const Rect& coords, const Rect& mask,
36 const char* path, const Style& style, uint8_t opaScale)
37 {
38 if (path == nullptr) {
39 return;
40 }
41 OpacityType opa = DrawUtils::GetMixOpacity(opaScale, style.imageOpa_);
42
43 CacheEntry entry;
44 if (CacheManager::GetInstance().Open(path, style, entry) != RetCode::OK) {
45 return;
46 }
47
48 uint8_t pxBitSize = DrawUtils::GetPxSizeByColorMode(entry.GetImageInfo().header.colorMode);
49 if (entry.InCache()) {
50 DrawUtils::GetInstance()->DrawImage(gfxDstBuffer, coords, mask, entry.GetImgData(), opa, pxBitSize,
51 static_cast<ColorMode>(entry.GetImageInfo().header.colorMode));
52 } else {
53 Rect valid = coords;
54 if (!valid.Intersect(valid, mask)) {
55 return;
56 }
57
58 int16_t width = valid.GetWidth();
59 if (width <= 0) {
60 return;
61 }
62 uint8_t* buf = static_cast<uint8_t*>(UIMalloc(static_cast<uint32_t>(width) * ((COLOR_DEPTH >> SHIFT_3) + 1)));
63 if (buf == nullptr) {
64 return;
65 }
66
67 Rect line = valid;
68 line.SetHeight(1);
69 Point start;
70 start.x = valid.GetLeft() - coords.GetLeft();
71 start.y = valid.GetTop() - coords.GetTop();
72 for (int16_t row = valid.GetTop(); row <= valid.GetBottom(); row++) {
73 if (entry.ReadLine(start, width, buf) != RetCode::OK) {
74 CacheManager::GetInstance().Close(path);
75 UIFree(buf);
76 return;
77 }
78 DrawUtils::GetInstance()->DrawImage(gfxDstBuffer, line, mask, buf, opa, pxBitSize,
79 static_cast<ColorMode>(entry.GetImageInfo().header.colorMode));
80 line.SetTop(line.GetTop() + 1);
81 line.SetBottom(line.GetBottom() + 1);
82 start.y++;
83 }
84 UIFree(buf);
85 }
86 }
87 } // namespace OHOS
88