4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 #include "filepng.inc"
34 class FilePNG : public FileList
37 FilePNG(Asset *asset, File *file);
40 static int check_sig(Asset *asset);
41 static void get_parameters(BC_WindowBase *parent_window,
42 Asset *asset, BC_WindowBase* &format_window,
43 int audio_options, int video_options, EDL *edl);
44 static int get_best_colormodel(Asset *asset, int driver);
45 int colormodel_supported(int colormodel);
46 int read_frame(VFrame *frame, VFrame *data);
47 int write_frame(VFrame *frame, VFrame *data, FrameWriterUnit *unit);
48 int can_copy_from(Asset *asset, int64_t position);
49 FrameWriterUnit* new_writer_unit(FrameWriter *writer);
51 int read_frame_header(char *path);
61 class PNGUnit : public FrameWriterUnit
64 PNGUnit(FilePNG *file, FrameWriter *writer);
71 class PNGConfigVideo : public BC_Window
74 PNGConfigVideo(BC_WindowBase *parent_window, Asset *asset);
77 void create_objects();
79 int update_depth(int depth);
81 BC_WindowBase *parent_window;
83 PNGUseAlpha *use_alpha;
84 PNGCompression *compression;
86 PNGDepth16bit *depth16;
89 class PNGUseAlpha : public BC_CheckBox
92 PNGUseAlpha(PNGConfigVideo *gui, int x, int y);
97 class PNGCompression : public BC_TumbleTextBox
100 PNGCompression(PNGConfigVideo *gui, int x, int y);
105 class PNGDepth8bit : public BC_Radial
108 PNGDepth8bit(PNGConfigVideo *gui, int x, int y);
114 class PNGDepth16bit : public BC_Radial
117 PNGDepth16bit(PNGConfigVideo *gui, int x, int y);