Handle<Value> MerlinImage::CoalesceImages(const Arguments& args) {
HandleScope scope;
MagickWand* wand = MerlinImage::ReadImage( ObjectWrap::Unwrap<MerlinImage>(args.This()) );
const int len = args.Length();
for (int i = 0; i < len; i++) {
MerlinImage *mi = ObjectWrap::Unwrap<MerlinImage>(args[i]->ToObject());
MagickAddImage(wand, MerlinImage::ReadImage(mi));
}
MagickWand* mosaicWand = MagickCoalesceImages(wand);
return scope.Close(MerlinImage::WriteImage(mosaicWand));
}
//---------------------------------------------------------------------
// 出力プラグイン処理本体
//---------------------------------------------------------------------
BOOL func_output( OUTPUT_INFO *oip )
{
const double mabiki = 1; //2にすると2フレーム中1フレームの間引き
//intだと四捨五入の計算ができない
if( oip->n > 500 / mabiki )
if( MessageBox( NULL, (LPCSTR) "大量のフレームが選択されています。\n本当に続行しますか？", (LPCSTR) "アニメーションGIF出力プラグイン", MB_YESNO | MB_ICONQUESTION )
== IDNO )
return TRUE;
const int delay = round( mabiki * 100 * oip->scale / oip->rate ); //間引き×100÷フレームレートを四捨五入
MagickWandGenesis();
MagickWand *dest = NewMagickWand();
for( int i = 0; i < oip->n; i = i + mabiki )
{
if( oip->func_is_abort() )
{
if( MessageBox( NULL, (LPCSTR) "ここまでの出力データをアニメーションGIFに書き込みますか？", (LPCSTR) "アニメーションGIF出力プラグイン", MB_YESNO | MB_ICONQUESTION )
== IDYES )
break;
else
{
DestroyMagickWand( dest );
MagickWandTerminus();
return TRUE;
}
}
oip->func_rest_time_disp( i, oip->n );
int copy = 0; //コピーフレーム数
for( int j = 1; i + j < oip->n; j++ )
{
if( oip->func_get_flag( i + j ) & OUTPUT_INFO_FRAME_FLAG_COPYFRAME )
copy++;
else
break;
}
MagickWand *source = NewMagickWand();
if( !MagickConstituteImage( source, oip->w, oip->h, "BGR", CharPixel, oip->func_get_video_ex( i, 0 ) ) ) //NULLだと警告
MessageBox( NULL, (LPCSTR) "データ取得失敗", (LPCSTR) "アニメーションGIF出力プラグイン", MB_OK|MB_ICONSTOP );
MagickFlipImage( source ); //AviUtlからはボトムアップで渡されるが、MagickConstituteImageはトップダウン固定
MagickSetImageDelay( source, delay * ( copy + 1 ) ); //コピーフレーム数0なら1倍
//MagickSetImageDispose( source, 0 );
MagickAddImage( dest, source );
DestroyMagickWand( source );
i = i + copy; //コピーフレーム数分だけ先送り
oip->func_update_preview();
}
MagickSetFirstIterator( dest );
MagickQuantizeImages( dest, 256, RGBColorspace, 0, FloydSteinbergDitherMethod, MagickFalse );
//MagickSetFirstIterator( dest );
//MagickSetImageIterations( dest, 0 );
if( !MagickSetFormat( dest, "GIF" ) )
MessageBox( NULL, (LPCSTR) "GIFセット失敗", (LPCSTR) "アニメーションGIF出力プラグイン", MB_OK|MB_ICONSTOP );
dest = MagickOptimizeImageLayers( MagickCoalesceImages( dest ) ); //ここでdisposeが1になる
MagickOptimizeImageTransparency( dest ); //6.7.8-7以降が必要
if( !MagickWriteImages( dest, oip->savefile, MagickTrue ) )
MessageBox( NULL, (LPCSTR) "出力失敗", (LPCSTR) "アニメーションGIF出力プラグイン", MB_OK|MB_ICONSTOP );
DestroyMagickWand( dest );
MagickWandTerminus();
return TRUE;
}
unsigned char *get_thumbnail(char *full_filename, char *thumbnail_str,
size_t *thumbnail_size, int is_rotate, int rotate_degree) {
unsigned char *image_data = NULL;
if (full_filename == NULL || thumbnail_str == NULL)
return NULL;
MagickBooleanType status;
MagickWand *tmp_magick_wand = NULL;
MagickWand *magick_wand = NULL;
magick_wand = NewMagickWand();
status = MagickReadImage(magick_wand, full_filename);
if (status == MagickFalse) {
ThrowWandException(magick_wand);
return NULL;
}
PixelWand *background = NULL;
size_t height = MagickGetImageHeight(magick_wand);
size_t old_height = height;
size_t width = MagickGetImageWidth(magick_wand);
size_t old_width = width;
ssize_t i = 0, j = 0;
int is_crop = 0;
char is_gif_flag = 0;
char is_jpeg_flag = 0;
int do_quality = 0;
char *fileformat = NULL;
fileformat = MagickGetImageFormat(magick_wand);
if (fileformat == NULL) {
return NULL;
}
if (0 == strcasecmp(fileformat, image_format[GIFEXT])) {
is_gif_flag = 1;
} else if (0 == strcasecmp(fileformat, image_format[JPEGEXT])) {
is_jpeg_flag = 1;
} else if (0 == strcasecmp(fileformat, image_format[JPGEXT])) {
is_jpeg_flag = 1;
}
fileformat = (char *)MagickRelinquishMemory(fileformat); //free();
if( 'C' == *thumbnail_str ||'c' == *thumbnail_str ) {
is_crop = 1;
}
if(is_crop) {
ParseMetaGeometry(thumbnail_str + 1, &i, &j, &width, &height);
} else {
ParseMetaGeometry(thumbnail_str, &i, &j, &width, &height);
}
if (old_width == width && height == old_height) {
image_data = MagickGetImagesBlob(magick_wand, thumbnail_size);
} else if (width <= 0 || height <= 0) {
logError("%s%s:Geometry %s error\n", __FILE__, __func__, thumbnail_str);
} else {
/*
* if type of the image is GIF, maybe have more than one frame, so do this different
* from others
*/
if (is_gif_flag) {
tmp_magick_wand = magick_wand;
magick_wand = MagickCoalesceImages(tmp_magick_wand);
tmp_magick_wand = DestroyMagickWand(tmp_magick_wand);
}
/*
* if size of the image less than 800 * 600 and that's type is JPEG, then do
* quality 100 OP
*/
if ((old_width < 800) && (old_height < 600) && is_jpeg_flag && is_crop != 1) {
do_quality = 1;
}
MagickResetIterator(magick_wand);
while (MagickNextImage(magick_wand) != MagickFalse) {
if(do_quality) {
MagickSetImageCompressionQuality(magick_wand, 100);
MagickStripImage(magick_wand);
}
if(is_crop == 0)
MagickThumbnailImage(magick_wand, width, height);
else {
logInfo("crop Image %ld, %ld", i, j);
MagickCropImage(magick_wand, width, height, i, j);
}
if(is_rotate == 1) {
background=NewPixelWand();
status=PixelSetColor(background,"#000000");
MagickRotateImage(magick_wand, background,(double)rotate_degree);
background=DestroyPixelWand(background);
}
}
image_data = MagickGetImagesBlob(magick_wand, thumbnail_size);
}
magick_wand = DestroyMagickWand(magick_wand);
return image_data;
}
