1 /**************************************************************************
2  *
3  * Copyright 2009 Artur Wyszynski <harakash@gmail.com>
4  * Copyright 2013 Alexander von Gluck IV <kallisti5@unixzen.com>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * The above copyright notice and this permission notice (including the
23  * next paragraph) shall be included in all copies or substantial portions
24  * of the Software.
25  *
26  **************************************************************************/
27 
28 
29 #include <stdio.h>
30 #include <interface/Bitmap.h>
31 #include <storage/File.h>
32 #include <support/String.h>
33 #include <translation/BitmapStream.h>
34 #include <translation/TranslatorRoster.h>
35 
36 #include "bitmap_wrapper.h"
37 
38 
39 extern "C" {
40 static int frameNo = 0;
41 
42 
43 Bitmap*
44 create_bitmap(int32 width, int32 height, color_space colorSpace)
45 {
46 	BBitmap *bb = new BBitmap(BRect(0, 0, width, height), colorSpace);
47 	if (bb)
48 		return (Bitmap*)bb;
49 	return NULL;
50 }
51 
52 
53 void
54 get_bitmap_size(const Bitmap* bitmap, int32* width, int32* height)
55 {
56 	BBitmap *bb = (BBitmap*)bitmap;
57 	if (bb && width && height) {
58 		uint32 w = bb->Bounds().IntegerWidth() + 1;
59 		uint32 h = bb->Bounds().IntegerHeight() + 1;
60 		*width = w;
61 		*height = h;
62 	}
63 }
64 
65 
66 color_space
67 get_bitmap_color_space(const Bitmap* bitmap)
68 {
69 	BBitmap *bb = (BBitmap*)bitmap;
70 	if (bb)
71 		return bb->ColorSpace();
72 	return B_NO_COLOR_SPACE;
73 }
74 
75 
76 void
77 copy_bitmap_bits(const Bitmap* bitmap, void* data, int32 length)
78 {
79 	BBitmap *bb = (BBitmap*)bitmap;
80 
81 	// We assume the data is 1:1 the format of the bitmap
82 	if (bb)
83 		bb->ImportBits(data, length, bb->BytesPerRow(), 0, bb->ColorSpace());
84 }
85 
86 
87 void
88 import_bitmap_bits(const Bitmap* bitmap, void* data, int32 length,
89 	unsigned srcStride, color_space srcColorSpace)
90 {
91 	BBitmap *bb = (BBitmap*)bitmap;
92 
93 	// Import image and adjust image format from source to dest
94 	if (bb)
95 		bb->ImportBits(data, length, srcStride, 0, srcColorSpace);
96 }
97 
98 
99 void
100 delete_bitmap(Bitmap* bitmap)
101 {
102 	BBitmap *bb = (BBitmap*)bitmap;
103 	delete bb;
104 }
105 
106 
107 int32
108 get_bitmap_bytes_per_row(const Bitmap* bitmap)
109 {
110 	BBitmap *bb = (BBitmap*)bitmap;
111 	if (bb)
112 		return bb->BytesPerRow();
113 	return 0;
114 }
115 
116 
117 int32
118 get_bitmap_bits_length(const Bitmap* bitmap)
119 {
120 	BBitmap *bb = (BBitmap*)bitmap;
121 	if (bb)
122 		return bb->BitsLength();
123 	return 0;
124 }
125 
126 
127 void
128 dump_bitmap(const Bitmap* bitmap)
129 {
130 	BBitmap *bb = (BBitmap*)bitmap;
131 	if (!bb)
132 		return;
133 
134 	BString filename("/boot/home/frame_");
135 	filename << (int32)frameNo << ".png";
136 
137 	BTranslatorRoster *roster = BTranslatorRoster::Default();
138 	BBitmapStream stream(bb);
139 	BFile dump(filename, B_CREATE_FILE | B_WRITE_ONLY);
140 
141 	roster->Translate(&stream, NULL, NULL, &dump, 0);
142 
143 	frameNo++;
144 }
145 
146 }
147