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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 Artur Wyszynski <harakash (at) gmail.com>
      4  * Copyright 2013 Alexander von Gluck IV <kallisti5 (at) 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