1 /*
2 * Copyright (c) 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 "c/drawing_bitmap.h"
17
18 #include "draw/color.h"
19 #include "image/bitmap.h"
20
21 using namespace OHOS;
22 using namespace Rosen;
23 using namespace Drawing;
24
CastToBitmap(OH_Drawing_Bitmap * cBitmap)25 static Bitmap* CastToBitmap(OH_Drawing_Bitmap* cBitmap)
26 {
27 return reinterpret_cast<Bitmap*>(cBitmap);
28 }
29
CColorFormatCastToColorType(OH_Drawing_ColorFormat cColorFormat)30 static ColorType CColorFormatCastToColorType(OH_Drawing_ColorFormat cColorFormat)
31 {
32 ColorType colorType = COLORTYPE_UNKNOWN;
33 switch (cColorFormat) {
34 case COLOR_FORMAT_UNKNOWN:
35 colorType = COLORTYPE_UNKNOWN;
36 break;
37 case COLOR_FORMAT_ALPHA_8:
38 colorType = COLORTYPE_ALPHA_8;
39 break;
40 case COLOR_FORMAT_RGB_565:
41 colorType = COLORTYPE_RGB_565;
42 break;
43 case COLOR_FORMAT_ARGB_4444:
44 colorType = COLORTYPE_ARGB_4444;
45 break;
46 case COLOR_FORMAT_RGBA_8888:
47 colorType = COLORTYPE_RGBA_8888;
48 break;
49 case COLOR_FORMAT_BGRA_8888:
50 colorType = COLORTYPE_BGRA_8888;
51 break;
52 default:
53 break;
54 }
55 return colorType;
56 }
57
CAlphaFormatCastToAlphaType(OH_Drawing_AlphaFormat cAlphaFormat)58 static AlphaType CAlphaFormatCastToAlphaType(OH_Drawing_AlphaFormat cAlphaFormat)
59 {
60 AlphaType alphaType = ALPHATYPE_UNKNOWN;
61
62 switch (cAlphaFormat) {
63 case ALPHA_FORMAT_UNKNOWN:
64 alphaType = ALPHATYPE_UNKNOWN;
65 break;
66 case ALPHA_FORMAT_OPAQUE:
67 alphaType = ALPHATYPE_OPAQUE;
68 break;
69 case ALPHA_FORMAT_PREMUL:
70 alphaType = ALPHATYPE_PREMUL;
71 break;
72 case ALPHA_FORMAT_UNPREMUL:
73 alphaType = ALPHATYPE_UNPREMUL;
74 break;
75 default:
76 break;
77 }
78 return alphaType;
79 }
80
OH_Drawing_BitmapCreate()81 OH_Drawing_Bitmap* OH_Drawing_BitmapCreate()
82 {
83 return (OH_Drawing_Bitmap*)new Bitmap;
84 }
85
OH_Drawing_BitmapDestroy(OH_Drawing_Bitmap * cBitmap)86 void OH_Drawing_BitmapDestroy(OH_Drawing_Bitmap* cBitmap)
87 {
88 delete CastToBitmap(cBitmap);
89 }
90
OH_Drawing_BitmapBuild(OH_Drawing_Bitmap * cBitmap,const uint32_t width,const uint32_t height,const OH_Drawing_BitmapFormat * cBitmapFormat)91 void OH_Drawing_BitmapBuild(OH_Drawing_Bitmap* cBitmap, const uint32_t width, const uint32_t height,
92 const OH_Drawing_BitmapFormat* cBitmapFormat)
93 {
94 ColorType colorType = CColorFormatCastToColorType(cBitmapFormat->colorFormat);
95 AlphaType alphaType = CAlphaFormatCastToAlphaType(cBitmapFormat->alphaFormat);
96
97 BitmapFormat format { colorType, alphaType };
98 CastToBitmap(cBitmap)->Build(width, height, format);
99 }
100
OH_Drawing_BitmapGetWidth(OH_Drawing_Bitmap * cBitmap)101 uint32_t OH_Drawing_BitmapGetWidth(OH_Drawing_Bitmap* cBitmap)
102 {
103 return CastToBitmap(cBitmap)->GetWidth();
104 }
105
OH_Drawing_BitmapGetHeight(OH_Drawing_Bitmap * cBitmap)106 uint32_t OH_Drawing_BitmapGetHeight(OH_Drawing_Bitmap* cBitmap)
107 {
108 return CastToBitmap(cBitmap)->GetHeight();
109 }
110
OH_Drawing_BitmapGetPixels(OH_Drawing_Bitmap * cBitmap)111 void* OH_Drawing_BitmapGetPixels(OH_Drawing_Bitmap* cBitmap)
112 {
113 return CastToBitmap(cBitmap)->GetPixels();
114 }
115