src/gallium/winsys/sw/hgl/bitmap_wrapper.cpp

   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 }