int magickChopImage(const char *imageFile, const char *outputImage, int width, int height, int xPos, int yPos){
MagickBooleanType status;
MagickWand *magick_wand;
/*
Read an image.
*/
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, (char *)imageFile);
if (status == MagickFalse){
ThrowWandException(magick_wand);
}
/*
Turn the images into a thumbnail sequence.
*/
MagickResetIterator(magick_wand);
while (MagickNextImage(magick_wand) != MagickFalse)
MagickChopImage(magick_wand, width, height, xPos, yPos);
/*
Write the image then destroy it.
*/
status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
if (status == MagickFalse)
ThrowWandException(magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return status;
}
int magickCompressImage(const char *imageFile, const char *outputImage, const char *format, int compressionType, double compressionRate){
MagickBooleanType status;
MagickWand *magick_wand;
/*
Read an image.
*/
// printf("compressionRate: %d", compressionRate);
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, (char *)imageFile);
if (status == MagickFalse){
ThrowWandException(magick_wand);
}
/*
Turn the images into a thumbnail sequence.
*/
// MagickResetIterator(magick_wand);
// while (MagickNextImage(magick_wand) != MagickFalse){
MagickSetFormat(magick_wand, (char *)format);
MagickSetImageCompression(magick_wand, compressionType);
MagickSetImageCompressionQuality(magick_wand, compressionRate);
// }
/*
Write the image then destroy it.
*/
status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
if (status == MagickFalse)
ThrowWandException(magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return status;
}
int magickResizeImage(const char *imageFile, const char *outputImage, int columns, int rows, int magickFilter, double blur){
MagickBooleanType status;
MagickWand *magick_wand;
/*
Read an image.
*/
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, (char *)imageFile);
if (status == MagickFalse){
ThrowWandException(magick_wand);
}
/*
Turn the images into a thumbnail sequence.
*/
MagickResetIterator(magick_wand);
while (MagickNextImage(magick_wand) != MagickFalse)
MagickResizeImage(magick_wand, columns, rows, LanczosFilter, blur);
/*
Write the image then destroy it.
*/
status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
if (status == MagickFalse)
ThrowWandException(magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return status;
}
int magickRotateImage(const char *imageFile, const char *outputImage, double degree){
MagickBooleanType status;
MagickWand *magick_wand;
PixelWand * bg = malloc(sizeof(PixelWand *));
/*
Read an image.
*/
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, (char *)imageFile);
if (status == MagickFalse){
ThrowWandException(magick_wand);
}
/*
Turn the images into a thumbnail sequence.
*/
MagickResetIterator(magick_wand);
while (MagickNextImage(magick_wand) != MagickFalse)
MagickRotateImage(magick_wand, bg, degree);
// MagickSetImageCompression(magick_wand, MW_JPEGCompression);
// MagickUnsharpMaskImage( magick_wand, 4.5, 4.0, 4.5, 0.02 );
/*
Write the image then destroy it.
*/
status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
if (status == MagickFalse)
ThrowWandException(magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return status;
}
int barcode_to_png (char *image_name) {
MagickWand *magick_wand;
MagickBooleanType status;
int width, height, pad, half_pad;
/* read a barcode image */
MagickWandGenesis();
magick_wand = NewMagickWand();
MagickSetResolution(magick_wand, 300, 300);
status = MagickReadImage(magick_wand, image_name);
if (status == MagickFalse) ThrowWandException(magick_wand, 1);
/* trim the image, resample it, and pad it by [10% of the long side] per side */
MagickTrimImage(magick_wand, 10);
width = MagickGetImageWidth(magick_wand);
height = MagickGetImageHeight(magick_wand);
pad = determine_padding(width, height);
half_pad = round(pad/2);
MagickExtentImage(magick_wand, width+pad, height+pad, -half_pad, -half_pad);
/* write image (a PNG version and a formatted PS version) */
status=MagickWriteImage(magick_wand, chop_path(image_name, ".png"));
if (status == MagickFalse) ThrowWandException(magick_wand, 2);
status=MagickWriteImage(magick_wand, chop_path(image_name, ".ps"));
if (status == MagickFalse) ThrowWandException(magick_wand, 2);
/* clean up */
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return 0;
}
int magickModulateImage(const char *imageFile, const char *outputImage, double brightness, double saturation, double hue){
MagickBooleanType status;
MagickWand *magick_wand;
/*
Read an image.
*/
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, (char *)imageFile);
if (status == MagickFalse){
ThrowWandException(magick_wand);
}
/*
Turn the images into a thumbnail sequence.
*/
MagickResetIterator(magick_wand);
while (MagickNextImage(magick_wand) != MagickFalse)
MagickModulateImage(magick_wand, brightness, saturation, hue);
/*
Write the image then destroy it.
*/
status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
if (status == MagickFalse)
ThrowWandException(magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return status;
}
int magickUnsharpMaskImage(const char *imageFile, const char *outputImage, double radius, double sigma, double amount, double threshold){
MagickBooleanType status;
MagickWand *magick_wand;
/*
Read an image.
*/
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, (char *)imageFile);
if (status == MagickFalse){
ThrowWandException(magick_wand);
}
/*
Turn the images into a thumbnail sequence.
*/
// MagickResetIterator(magick_wand);
// while (MagickNextImage(magick_wand) != MagickFalse)
MagickUnsharpMaskImage(magick_wand, radius, sigma, amount, threshold);
/*
Write the image then destroy it.
*/
status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
if (status == MagickFalse)
ThrowWandException(magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return status;
}
int raster(MagickWand *image_wand, char **outBuffer)
{
char *localPointer;
PixelIterator *iterator;
PixelWand **pixels;
register long x;
long y;
unsigned long columns, rows;
int bufcnt = 0;
/*
* allocate buffer
*/
columns = MagickGetImageHeight(image_wand);
rows = MagickGetImageWidth(image_wand);
fprintf(stderr,"Image size : %ldx%ld\n", columns, rows);
int outSize = 9 * rows * columns * sizeof(char);
localPointer = (char*) malloc(outSize);
if (localPointer == NULL)
{
perror("malloc");
return 0;
}
/*
* convert wand into a buffer
*/
iterator = NewPixelIterator(image_wand);
if (iterator == (PixelIterator *) NULL)
ThrowWandException(image_wand);
for (y = 0; y < (long) columns; y++)
{
pixels = PixelGetNextIteratorRow(iterator, &rows);
if (pixels == (PixelWand **) NULL)
break;
for (x = 0; x < (long) rows; x++)
bufcnt += sprintf(localPointer + bufcnt, "defb &%2.2X\n",
cpc2raster(pixel2cpc(pixels[x])));
}
if (y < (long) columns)
ThrowWandException(image_wand);
iterator = DestroyPixelIterator(iterator);
image_wand = DestroyMagickWand(image_wand);
MagickWandTerminus();
*outBuffer = localPointer;
return bufcnt;
}
int main(int argc, char **argv){
if (argc != 4){
(void) fprintf(stdout,"Usage: %s palette input-file output-file\n",argv[0]);
exit(0);
}
read_palette(argv[1]);
print_palette();
char *description;
ExceptionType severity;
#define ThrowWandException(wand) \
{ \
description=MagickGetException(wand,&severity); \
(void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description); \
description=(char *) MagickRelinquishMemory(description); \
exit(-1); \
}
MagickBooleanType status;
MagickPixelPacket pixel;
MagickWand *wand;
WandView *view;
/*
Read an image.
*/
MagickWandGenesis();
wand = NewMagickWand();
status = MagickReadImage(wand, argv[2]);
if (status == MagickFalse) ThrowWandException(wand);
/*
Sigmoidal non-linearity contrast control.
*/
view = NewWandView(wand);
if (view == (WandView *) NULL) ThrowWandException(wand);
status = UpdateWandViewIterator(view, recolor, (void *)NULL);
if (status == MagickFalse) ThrowWandException(wand);
view = DestroyWandView(view);
/*
Write the image then destroy it.
*/
status = MagickWriteImages(wand, argv[3], MagickTrue);
if (status == MagickFalse) ThrowWandException(wand);
wand = DestroyMagickWand(wand);
MagickWandTerminus();
return 0;
}
unsigned char *get_transition_image_blob(char *file_buf, int buf_size,
size_t * thumbnail_size, img_transition_info *image_transition_info) {
unsigned char *image_data = NULL;
if (file_buf == NULL)
return NULL;
if (image_transition_info == NULL)
return NULL;
if ((0 == image_transition_info->is_rotate)
&& ('\0' == image_transition_info->transition_str[0])
&& (0 == image_transition_info->is_quality))
return NULL;
MagickBooleanType status;
MagickWand *magick_wand = NULL;
magick_wand = NewMagickWand();
status = MagickReadImageBlob(magick_wand, file_buf, buf_size);
if (status == MagickFalse) {
ThrowWandException(magick_wand);
return NULL;
}
image_data = covert_image(magick_wand, image_transition_info,
thumbnail_size);
magick_wand = DestroyMagickWand(magick_wand);
return image_data;
}
ARUint8* loadImage(char* filename, int* xsize, int* ysize)
{
ARUint8 *dptr;
Image *image;
MagickWand* magick_wand;
magick_wand=NewMagickWand();
if( magick_wand == NULL) {
fprintf(stderr, "bad magickwand\n");
}
MagickBooleanType status=MagickReadImage(magick_wand,filename);
if (status == MagickFalse) {
//fprintf(stderr, "%s can't be read\n", filename);
//exit(1);
//return; //(1);
ThrowWandException(magick_wand);
}
image = GetImageFromMagickWand(magick_wand);
//ContrastImage(image,MagickTrue);
//EnhanceImage(image,&image->exception);
int index;
*xsize = image->columns;
*ysize = image->rows;
dptr = malloc(sizeof(ARUint8) * 3 * image->rows * *xsize);
int y;
index = 0;
for (y=0; y < (long) image->rows; y++)
{
const PixelPacket *p = AcquireImagePixels(image,0,y,*xsize,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
int x;
for (x=0; x < (long) *xsize; x++)
{
/// convert to ARUint8 dptr
/// probably a faster way to give the data straight over
/// in BGR format
dptr[index*3+2] = p->red/256;
dptr[index*3+1] = p->green/256;
dptr[index*3] = p->blue/256;
//fprintf(stderr,"%d, %d, %d\t%d\t%d\n", x, y, p->red/256, p->green/256, p->blue/256);
p++;
index++;
}
}
DestroyMagickWand(magick_wand);
return dptr;
}
int main(int argc,char **argv) {
MagickBooleanType status;
PixelWand *pixelWand;
MagickWand *magick_wand_a;
MagickWand *magick_wand_b;
//MagickWand *magick_wand_c;
MagickWandGenesis();
magick_wand_a = NewMagickWand();
status = MagickReadImage(magick_wand_a, "./displaceCompositeA.png");
if (status == MagickFalse) {
ThrowWandException(magick_wand_a);
}
magick_wand_b = NewMagickWand();
status = MagickReadImage(magick_wand_b, "./displaceMask.png");
if (status == MagickFalse) {
ThrowWandException(magick_wand_b);
}
MagickSetImageVirtualPixelMethod(magick_wand_a, TransparentVirtualPixelMethod);
pixelWand = makePixelWand("none");
status = MagickSetImageBackgroundColor(magick_wand_a, pixelWand);
MagickSetOption(magick_wand_a, "compose:args", "300x53.033");
status = MagickCompositeImage(magick_wand_a, magick_wand_b, DisplaceCompositeOp, 0, 0);
if (status == MagickFalse) {
printf("Failed to composite image b");
exit(-1);
}
status = MagickWriteImages(magick_wand_a, "displaceOutputMerged.png", MagickTrue);
MagickWandTerminus();
printf("Finished - please compare displaceOutputMerged.png with the result of:\n\n");
printf("convert displaceCompositeA.png displaceMask.png -virtual-pixel transparent -channel rgba -alpha on -background transparent -define compose:args=300x53.033 -compose displace -composite displaceMerged.png");
return(0);
}
G_MODULE_EXPORT void cb_image_save_ok_clicked(GtkButton *button)
{
char *filename;
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (camera_params.objects->imagesavedialog));
g_print("Saving to Filename %s\n",filename);
if(camera_params.wand_data.saving_wand)
{
MagickBooleanType status;
status=MagickSetImageFormat(camera_params.wand_data.saving_wand,"PNG");
if (status == MagickFalse)
ThrowWandException(camera_params.wand_data.saving_wand);
status=MagickWriteImage(camera_params.wand_data.saving_wand,filename);
if (status == MagickFalse)
ThrowWandException(camera_params.wand_data.saving_wand);
DestroyMagickWand(camera_params.wand_data.saving_wand);
}
g_free (filename);
camera_params.wand_data.saving_wand=NULL;
gtk_widget_hide( camera_params.objects->imagesavedialog );
}
int thumbnail (char *image_name, char *thumbnail_name, int thumb_width, int thumb_height){
MagickWand *magick_wand;
MagickBooleanType status;
/* Read an image. */
MagickWandGenesis();
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, image_name);
if (status == MagickFalse) ThrowWandException(magick_wand, 1);
/* Turn the images into a thumbnail sequence. */
MagickResetIterator(magick_wand);
while (MagickNextImage(magick_wand) != MagickFalse)
MagickResizeImage(magick_wand,thumb_width,thumb_height,LanczosFilter,1.0);
/* Write the image then destroy it. */
status=MagickWriteImages(magick_wand, thumbnail_name, MagickTrue);
if (status == MagickFalse) ThrowWandException(magick_wand, 2);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return 0;
}
int main(int argc,char **argv)
{
char
filename[MaxTextExtent];
MagickBooleanType
status;
MagickWand
*canvas;
if (argc != 2)
{
(void) printf ("Usage: %s filename\n",argv[0]);
exit(1);
}
(void) CopyMagickString(filename,argv[1],MaxTextExtent);
/*
Create canvas image.
*/
MagickWandGenesis();
canvas=NewMagickWand();
status=MagickSetSize(canvas,596,842);
if (status == MagickFalse)
ThrowWandException(canvas);
status=MagickReadImage(canvas,"xc:white");
if (status == MagickFalse)
ThrowWandException(canvas);
/*
Scribble on image.
*/
status=ScribbleImage(canvas);
if (status == MagickFalse)
ThrowWandException(canvas);
/*
Set pixel depth to 8.
*/
status=MagickSetImageDepth(canvas,8);
if (status == MagickFalse)
ThrowWandException(canvas);
/*
Set output as RLE compressed.
*/
status=MagickSetImageCompression(canvas,RLECompression);
if (status == MagickFalse)
ThrowWandException(canvas);
/*
Save image to file.
*/
status=MagickWriteImage(canvas,filename);
if (status == MagickFalse)
ThrowWandException(canvas);
canvas=DestroyMagickWand(canvas);
MagickWandTerminus();
return(0);
}
char *get_thumbnail(char *full_filename, char *thumbnail_str, size_t *thumbnail_size)
{
char image_data = NULL;
if(full_filename == NULL || thumbnail_str == NULL)
return NULL;
MagickBooleanType status;
MagickWand *magick_wand, *tmp_magick_wand;
magick_wand=NewMagickWand();
status=MagickReadImage(magick_wand, full_filename);
if (status == MagickFalse)
ThrowWandException(magick_wand);
size_t height = MagickGetImageHeight(magick_wand);
size_t width = MagickGetImageWidth(magick_wand);
ssize_t i, j;
ParseMetaGeometry(thumbnail_str, &i, &j, &width, &height);
if(width <= 0 || height <= 0)
{
logError("%s%s:Geometry %s error\n", __FILE__, __func__, thumbnail_str);
}
else
{
/*
if(is_gif(full_filename))
{
tmp_magick_wand = magick_wand;
magick_wand = MagickCoalesceImages(tmp_magick_wand);
tmp_magick_wand = DestroyMagickWand(tmp_magick_wand);
}
*/
MagickResetIterator(magick_wand);
while (MagickNextImage(magick_wand) != MagickFalse)
{
MagickThumbnailImage(magick_wand,height,width);
}
image_data = MagickGetImagesBlob(magick_wand, thumbnail_size);
}
magick_wand=DestroyMagickWand(magick_wand);
return image_data;
}
int main(int argc,char **argv)
{
#define ThrowWandException(wand) \
{ \
char \
*description; \
\
ExceptionType \
severity; \
\
description=MagickGetException(wand,&severity); \
(void) fprintf(stderr,"%s %s %ld %s\n",GetMagickModule(),description); \
description=(char *) MagickRelinquishMemory(description); \
exit(-1); \
}
MagickBooleanType
status;
MagickWand
*magick_wand;
MagickWand
*tmp_magick_wand;
/*
Read an image.
*/
size_t len;
char *data;
data = get_thumbnail(argv[1], argv[2], &len);
MagickReadImageBlob(magick_wand, data, len);
status=MagickWriteImages(magick_wand,argv[3],MagickTrue);
if (status == MagickFalse)
ThrowWandException(magick_wand);
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return(0);
}
/**
* @brief get_img The function of getting a image buffer and it's length.
*
* @param req The zimg_req_t from zhttp and it has the params of a request.
* @param buff_ptr This function return image buffer in it.
* @param img_size Get_img will change this number to return the size of image buffer.
*
* @return 1 for success and -1 for fail.
*/
int get_img(zimg_req_t *req, evhtp_request_t *request)
{
int result = -1;
char cache_key[CACHE_KEY_SIZE];
char *img_format = NULL;
int fd = -1;
struct stat f_stat;
char *buff_ptr;
size_t img_size;
MagickBooleanType status;
MagickWand *magick_wand = NULL;
bool got_rsp = true;
bool got_color = false;
LOG_PRINT(LOG_DEBUG, "get_img() start processing zimg request...");
// to gen cache_key like this: 926ee2f570dc50b2575e35a6712b08ce:0:0:1:0
gen_key(cache_key, req->md5, 4, req->width, req->height, req->proportion, req->gray);
if(find_cache_bin(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Hit Cache[Key: %s].", cache_key);
goto done;
}
LOG_PRINT(LOG_DEBUG, "Start to Find the Image...");
char whole_path[512];
int lvl1 = str_hash(req->md5);
int lvl2 = str_hash(req->md5 + 3);
snprintf(whole_path, 512, "%s/%d/%d/%s", settings.img_path, lvl1, lvl2, req->md5);
LOG_PRINT(LOG_DEBUG, "docroot: %s", settings.img_path);
LOG_PRINT(LOG_DEBUG, "req->md5: %s", req->md5);
LOG_PRINT(LOG_DEBUG, "whole_path: %s", whole_path);
char name[128];
if(req->proportion && req->gray)
snprintf(name, 128, "%d*%dpg", req->width, req->height);
else if(req->proportion && !req->gray)
snprintf(name, 128, "%d*%dp", req->width, req->height);
else if(!req->proportion && req->gray)
snprintf(name, 128, "%d*%dg", req->width, req->height);
else
snprintf(name, 128, "%d*%d", req->width, req->height);
char color_name[128];
if(req->proportion)
snprintf(color_name, 128, "%d*%dp", req->width, req->height);
else
snprintf(color_name, 128, "%d*%d", req->width, req->height);
char orig_path[512];
snprintf(orig_path, strlen(whole_path) + 6, "%s/0*0", whole_path);
LOG_PRINT(LOG_DEBUG, "0rig File Path: %s", orig_path);
char rsp_path[512];
if(req->width == 0 && req->height == 0 && req->proportion == 0 && req->gray == 0)
{
LOG_PRINT(LOG_DEBUG, "Return original image.");
strncpy(rsp_path, orig_path, 512);
}
else
{
snprintf(rsp_path, 512, "%s/%s", whole_path, name);
}
LOG_PRINT(LOG_DEBUG, "Got the rsp_path: %s", rsp_path);
char color_path[512];
snprintf(color_path, 512, "%s/%s", whole_path, color_name);
//status=MagickReadImage(magick_wand, rsp_path);
if((fd = open(rsp_path, O_RDONLY)) == -1)
{
magick_wand = NewMagickWand();
got_rsp = false;
if(req->gray == 1)
{
gen_key(cache_key, req->md5, 3, req->width, req->height, req->proportion);
if(find_cache_bin(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Hit Color Image Cache[Key: %s, len: %d].", cache_key, img_size);
status = MagickReadImageBlob(magick_wand, buff_ptr, img_size);
free(buff_ptr);
buff_ptr = NULL;
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Color Image Cache[Key: %s] is Bad. Remove.", cache_key);
del_cache(req->thr_arg, cache_key);
}
else
{
got_color = true;
LOG_PRINT(LOG_DEBUG, "Read Image from Color Image Cache[Key: %s, len: %d] Succ. Goto Convert.", cache_key, img_size);
goto convert;
}
}
status=MagickReadImage(magick_wand, color_path);
if(status == MagickTrue)
{
got_color = true;
LOG_PRINT(LOG_DEBUG, "Read Image from Color Image[%s] Succ. Goto Convert.", rsp_path);
buff_ptr = (char *)MagickGetImageBlob(magick_wand, &img_size);
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
free(buff_ptr);
buff_ptr = NULL;
goto convert;
}
}
// to gen cache_key like this: rsp_path-/926ee2f570dc50b2575e35a6712b08ce
gen_key(cache_key, req->md5, 0);
if(find_cache_bin(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Hit Orignal Image Cache[Key: %s].", cache_key);
status = MagickReadImageBlob(magick_wand, buff_ptr, img_size);
free(buff_ptr);
buff_ptr = NULL;
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Open Original Image From Blob Failed! Begin to Open it From Disk.");
ThrowWandException(magick_wand);
del_cache(req->thr_arg, cache_key);
status = MagickReadImage(magick_wand, orig_path);
if(status == MagickFalse)
{
ThrowWandException(magick_wand);
goto err;
}
else
{
buff_ptr = (char *)MagickGetImageBlob(magick_wand, &img_size);
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
free(buff_ptr);
buff_ptr = NULL;
}
}
}
else
{
LOG_PRINT(LOG_DEBUG, "Not Hit Original Image Cache. Begin to Open it.");
status = MagickReadImage(magick_wand, orig_path);
if(status == MagickFalse)
{
ThrowWandException(magick_wand);
goto err;
}
else
{
buff_ptr = (char *)MagickGetImageBlob(magick_wand, &img_size);
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
free(buff_ptr);
buff_ptr = NULL;
}
}
int width, height;
width = req->width;
height = req->height;
if(width == 0 && height == 0)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] needn't resize. Goto Convert.", orig_path);
goto convert;
}
float owidth = MagickGetImageWidth(magick_wand);
float oheight = MagickGetImageHeight(magick_wand);
if(width <= owidth && height <= oheight)
{
if(req->proportion == 1 || (req->proportion == 0 && req->width * req->height == 0))
{
if(req->height == 0)
{
height = width * oheight / owidth;
}
else
{
width = height * owidth / oheight;
}
}
status = MagickResizeImage(magick_wand, width, height, LanczosFilter, 1.0);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Resize Failed!", orig_path);
goto err;
}
LOG_PRINT(LOG_DEBUG, "Resize img succ.");
}
else
{
// Note this strcpy because rsp_path is not useful. We needn't to save the new image.
got_rsp = true;
LOG_PRINT(LOG_DEBUG, "Args width/height is bigger than real size, return original image.");
}
}
else
{
fstat(fd, &f_stat);
size_t rlen = 0;
img_size = f_stat.st_size;
if(img_size <= 0)
{
LOG_PRINT(LOG_DEBUG, "File[%s] is Empty.", rsp_path);
goto err;
}
if((buff_ptr = (char *)malloc(img_size)) == NULL)
{
LOG_PRINT(LOG_DEBUG, "buff_ptr Malloc Failed!");
goto err;
}
LOG_PRINT(LOG_DEBUG, "img_size = %d", img_size);
if((rlen = read(fd, buff_ptr, img_size)) == -1)
{
LOG_PRINT(LOG_DEBUG, "File[%s] Read Failed.", rsp_path);
LOG_PRINT(LOG_DEBUG, "Error: %s.", strerror(errno));
goto err;
}
else if(rlen < img_size)
{
LOG_PRINT(LOG_DEBUG, "File[%s] Read Not Compeletly.", rsp_path);
goto err;
}
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
goto done;
}
convert:
if(got_color == false)
{
//compress image
LOG_PRINT(LOG_DEBUG, "Start to Compress the Image!");
img_format = MagickGetImageFormat(magick_wand);
LOG_PRINT(LOG_DEBUG, "Image Format is %s", img_format);
if(strcmp(img_format, "JPEG") != 0)
{
LOG_PRINT(LOG_DEBUG, "Convert Image Format from %s to JPEG.", img_format);
status = MagickSetImageFormat(magick_wand, "JPEG");
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Convert Format Failed!", orig_path);
}
LOG_PRINT(LOG_DEBUG, "Compress Image with JPEGCompression");
status = MagickSetImageCompression(magick_wand, JPEGCompression);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Compression Failed!", orig_path);
}
}
size_t quality = MagickGetImageCompressionQuality(magick_wand);
LOG_PRINT(LOG_DEBUG, "Image Compression Quality is %u.", quality);
if(quality > WAP_QUALITY)
{
quality = WAP_QUALITY;
}
LOG_PRINT(LOG_DEBUG, "Set Compression Quality to 75%.");
status = MagickSetImageCompressionQuality(magick_wand, quality);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Set Compression Quality Failed!");
}
//strip image EXIF infomation
LOG_PRINT(LOG_DEBUG, "Start to Remove Exif Infomation of the Image...");
status = MagickStripImage(magick_wand);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Remove Exif Infomation of the ImageFailed!");
}
buff_ptr = (char *)MagickGetImageBlob(magick_wand, &img_size);
if(buff_ptr == NULL)
{
LOG_PRINT(LOG_DEBUG, "Magick Get Image Blob Failed!");
goto err;
}
gen_key(cache_key, req->md5, 3, req->width, req->height, req->proportion);
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
if(got_rsp == false)
{
LOG_PRINT(LOG_DEBUG, "Color Image[%s] is Not Existed. Begin to Save it.", color_path);
if(new_img(buff_ptr, img_size, color_path) == -1)
{
LOG_PRINT(LOG_DEBUG, "Color Image[%s] Save Failed!", color_path);
LOG_PRINT(LOG_WARNING, "fail save %s", color_path);
}
}
if(req->gray == 1)
{
free(buff_ptr);
buff_ptr = NULL;
}
else
{
goto done;
}
}
//gray image
if(req->gray == 1)
{
LOG_PRINT(LOG_DEBUG, "Start to Remove Color!");
status = MagickSetImageColorspace(magick_wand, GRAYColorspace);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Remove Color Failed!", orig_path);
goto err;
}
LOG_PRINT(LOG_DEBUG, "Image Remove Color Finish!");
buff_ptr = (char *)MagickGetImageBlob(magick_wand, &img_size);
if(buff_ptr == NULL)
{
LOG_PRINT(LOG_DEBUG, "Magick Get Image Blob Failed!");
goto err;
}
gen_key(cache_key, req->md5, 4, req->width, req->height, req->proportion, req->gray);
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
if(got_rsp == false)
{
if(new_img(buff_ptr, img_size, rsp_path) == -1)
{
LOG_PRINT(LOG_DEBUG, "New Image[%s] Save Failed!", rsp_path);
LOG_PRINT(LOG_WARNING, "fail save %s", rsp_path);
}
}
else
LOG_PRINT(LOG_DEBUG, "Image Needn't to Storage.", rsp_path);
}
done:
result = evbuffer_add(request->buffer_out, buff_ptr, img_size);
if(result != -1)
{
result = 1;
}
err:
if(fd != -1)
close(fd);
if(magick_wand)
{
magick_wand=DestroyMagickWand(magick_wand);
}
if(img_format)
free(img_format);
if(buff_ptr)
free(buff_ptr);
return result;
}
/**
* @brief get_img The function of getting a image buffer and it's length.
*
* @param req The zimg_req_t from zhttp and it has the params of a request.
* @param buff_ptr This function return image buffer in it.
* @param img_size Get_img will change this number to return the size of image buffer.
*
* @return ZIMG_OK for success and ZIMG_ERR for fail.
*/
int get_img(zimg_req_t *req, char **buff_ptr, size_t *img_size)
{
int result = -1;
char *rsp_path = NULL;
char *whole_path = NULL;
char *orig_path = NULL;
char *color_path = NULL;
char *img_format = NULL;
size_t len;
int fd = -1;
struct stat f_stat;
MagickBooleanType status;
MagickWand *magick_wand = NULL;
LOG_PRINT(LOG_INFO, "get_img() start processing zimg request...");
char *cache_key = (char *)malloc(strlen(req->md5) + 32);
if(cache_key == NULL){
LOG_PRINT(LOG_INFO, "malloc failed!");
return ZIMG_ERR;
}
// to gen cache_key like this: img:926ee2f570dc50b2575e35a6712b08ce:0:0:1:0
sprintf(cache_key, "img:%s:%d:%d:%d:%d", req->md5, req->width, req->height, req->proportion, req->gray);
if(find_cache_bin(cache_key, buff_ptr, img_size) == 1){
LOG_PRINT(LOG_INFO, "Hit Cache[Key: %s].", cache_key);
// sprintf(cache_key, "type:%s:%d:%d:%d:%d", req->md5, req->width, req->height, req->proportion, req->gray);
// if(find_cache(cache_key, img_format) == -1)
// {
// LOG_PRINT(LOG_WARNING, "Cannot Hit Type Cache[Key: %s]. Use jpeg As Default.", cache_key);
// strcpy(img_format, "jpeg");
// }
free(cache_key);
return ZIMG_OK;
}
free(cache_key);
LOG_PRINT(LOG_INFO, "Start to Find the Image...");
//check img dir
// /1023/1023/xxxxxxxxxxxxxxx.png
len = strlen(req->md5) + strlen(settings.img_path) + 12;
whole_path = malloc(len);
if (whole_path == NULL){
LOG_PRINT(LOG_ERROR, "whole_path malloc failed!");
return ZIMG_ERR;
}
int lvl1 = str_hash(req->md5);
int lvl2 = str_hash(req->md5 + 3);
sprintf(whole_path, "%s/%d/%d/%s", settings.img_path, lvl1, lvl2, req->md5);
LOG_PRINT(LOG_INFO, "docroot: %s", settings.img_path);
LOG_PRINT(LOG_INFO, "req->md5: %s", req->md5);
LOG_PRINT(LOG_INFO, "whole_path: %s", whole_path);
char name[128];
if(req->proportion && req->gray)
sprintf(name, "%d*%dpg", req->width, req->height);
else if(req->proportion && !req->gray)
sprintf(name, "%d*%dp", req->width, req->height);
else if(!req->proportion && req->gray)
sprintf(name, "%d*%dg", req->width, req->height);
else
sprintf(name, "%d*%d", req->width, req->height);
orig_path = (char *)malloc(strlen(whole_path) + 6);
sprintf(orig_path, "%s/0*0p", whole_path);
LOG_PRINT(LOG_INFO, "0rig File Path: %s", orig_path);
rsp_path = (char *)malloc(512);
if(req->width == 0 && req->height == 0 && req->gray == 0)
{
LOG_PRINT(LOG_INFO, "Return original image.");
strcpy(rsp_path, orig_path);
}
else
{
sprintf(rsp_path, "%s/%s", whole_path, name);
}
LOG_PRINT(LOG_INFO, "Got the rsp_path: %s", rsp_path);
bool got_rsp = true;
bool got_color = false;
//status=MagickReadImage(magick_wand, rsp_path);
if((fd = open(rsp_path, O_RDONLY)) == -1)
//if(status == MagickFalse)
{
magick_wand = NewMagickWand();
got_rsp = false;
if(req->gray == 1)
{
sprintf(cache_key, "img:%s:%d:%d:%d:0", req->md5, req->width, req->height, req->proportion);
if(find_cache_bin(cache_key, buff_ptr, img_size) == 1)
{
LOG_PRINT(LOG_INFO, "Hit Color Image Cache[Key: %s, len: %d].", cache_key, *img_size);
status = MagickReadImageBlob(magick_wand, *buff_ptr, *img_size);
if(status == MagickFalse)
{
LOG_PRINT(LOG_WARNING, "Color Image Cache[Key: %s] is Bad. Remove.", cache_key);
del_cache(cache_key);
}
else
{
got_color = true;
LOG_PRINT(LOG_INFO, "Read Image from Color Image Cache[Key: %s, len: %d] Succ. Goto Convert.", cache_key, *img_size);
goto convert;
}
}
len = strlen(rsp_path);
color_path = (char *)malloc(len);
strncpy(color_path, rsp_path, len);
color_path[len - 1] = '\0';
LOG_PRINT(LOG_INFO, "color_path: %s", color_path);
status=MagickReadImage(magick_wand, color_path);
if(status == MagickTrue)
{
got_color = true;
LOG_PRINT(LOG_INFO, "Read Image from Color Image[%s] Succ. Goto Convert.", color_path);
*buff_ptr = (char *)MagickGetImageBlob(magick_wand, img_size);
if(*img_size < CACHE_MAX_SIZE)
{
set_cache_bin(cache_key, *buff_ptr, *img_size);
// img_format = MagickGetImageFormat(magick_wand);
// sprintf(cache_key, "type:%s:%d:%d:%d:0", req->md5, req->width, req->height, req->proportion);
// set_cache(cache_key, img_format);
}
goto convert;
}
}
// to gen cache_key like this: rsp_path-/926ee2f570dc50b2575e35a6712b08ce
sprintf(cache_key, "img:%s:0:0:1:0", req->md5);
if(find_cache_bin(cache_key, buff_ptr, img_size) == 1)
{
LOG_PRINT(LOG_INFO, "Hit Orignal Image Cache[Key: %s].", cache_key);
status = MagickReadImageBlob(magick_wand, *buff_ptr, *img_size);
if(status == MagickFalse)
{
LOG_PRINT(LOG_WARNING, "Open Original Image From Blob Failed! Begin to Open it From Disk.");
ThrowWandException(magick_wand);
del_cache(cache_key);
status = MagickReadImage(magick_wand, orig_path);
if(status == MagickFalse)
{
ThrowWandException(magick_wand);
goto err;
}
else
{
*buff_ptr = (char *)MagickGetImageBlob(magick_wand, img_size);
if(*img_size < CACHE_MAX_SIZE)
{
set_cache_bin(cache_key, *buff_ptr, *img_size);
// img_format = MagickGetImageFormat(magick_wand);
// sprintf(cache_key, "type:%s:0:0:1:0", req->md5);
// set_cache(cache_key, img_format);
}
}
}
}
else
{
LOG_PRINT(LOG_INFO, "Not Hit Original Image Cache. Begin to Open it.");
status = MagickReadImage(magick_wand, orig_path);
if(status == MagickFalse)
{
ThrowWandException(magick_wand);
goto err;
}
else
{
*buff_ptr = (char *)MagickGetImageBlob(magick_wand, img_size);
if(*img_size < CACHE_MAX_SIZE)
{
set_cache_bin(cache_key, *buff_ptr, *img_size);
// img_format = MagickGetImageFormat(magick_wand);
// sprintf(cache_key, "type:%s:0:0:1:0", req->md5);
// set_cache(cache_key, img_format);
}
}
}
int width, height;
width = req->width;
height = req->height;
float owidth = MagickGetImageWidth(magick_wand);
float oheight = MagickGetImageHeight(magick_wand);
if(width <= owidth && height <= oheight)
{
if(req->proportion == 1)
{
if(req->width != 0 && req->height == 0)
{
height = width * oheight / owidth;
}
//else if(height != 0 && width == 0)
else
{
width = height * owidth / oheight;
}
}
status = MagickResizeImage(magick_wand, width, height, LanczosFilter, 1.0);
if(status == MagickFalse)
{
LOG_PRINT(LOG_ERROR, "Image[%s] Resize Failed!", orig_path);
goto err;
}
LOG_PRINT(LOG_INFO, "Resize img succ.");
}
/* this section can caculate the correct rsp_path, but not use, so I note them
else if(req->gray == true)
{
strcpy(rsp_path, orig_path);
rsp_path[strlen(orig_path)] = 'g';
rsp_path[strlen(orig_path) + 1] = '\0';
got_rsp = true;
LOG_PRINT(LOG_INFO, "Args width/height is bigger than real size, return original gray image.");
LOG_PRINT(LOG_INFO, "Original Gray Image: %s", rsp_path);
}
*/
else
{
// Note this strcpy because rsp_path is not useful. We needn't to save the new image.
//strcpy(rsp_path, orig_path);
got_rsp = true;
LOG_PRINT(LOG_INFO, "Args width/height is bigger than real size, return original image.");
}
}
else
{
fstat(fd, &f_stat);
size_t rlen = 0;
*img_size = f_stat.st_size;
if(*img_size <= 0)
{
LOG_PRINT(LOG_ERROR, "File[%s] is Empty.", rsp_path);
goto err;
}
if((*buff_ptr = (char *)malloc(*img_size)) == NULL)
{
LOG_PRINT(LOG_ERROR, "buff_ptr Malloc Failed!");
goto err;
}
LOG_PRINT(LOG_INFO, "img_size = %d", *img_size);
//*buff_ptr = (char *)MagickGetImageBlob(magick_wand, img_size);
if((rlen = read(fd, *buff_ptr, *img_size)) == -1)
{
LOG_PRINT(LOG_ERROR, "File[%s] Read Failed.", rsp_path);
LOG_PRINT(LOG_ERROR, "Error: %s.", strerror(errno));
goto err;
}
else if(rlen < *img_size)
{
LOG_PRINT(LOG_ERROR, "File[%s] Read Not Compeletly.", rsp_path);
goto err;
}
goto done;
}
convert:
//gray image
if(req->gray == true)
{
LOG_PRINT(LOG_INFO, "Start to Remove Color!");
status = MagickSetImageColorspace(magick_wand, GRAYColorspace);
if(status == MagickFalse)
{
LOG_PRINT(LOG_ERROR, "Image[%s] Remove Color Failed!", orig_path);
goto err;
}
LOG_PRINT(LOG_INFO, "Image Remove Color Finish!");
}
if(got_color == false || (got_color == true && req->width == 0) )
{
//compress image
LOG_PRINT(LOG_INFO, "Start to Compress the Image!");
img_format = MagickGetImageFormat(magick_wand);
LOG_PRINT(LOG_INFO, "Image Format is %s", img_format);
if(strcmp(img_format, "JPEG") != 0)
{
LOG_PRINT(LOG_INFO, "Convert Image Format from %s to JPEG.", img_format);
status = MagickSetImageFormat(magick_wand, "JPEG");
if(status == MagickFalse)
{
LOG_PRINT(LOG_WARNING, "Image[%s] Convert Format Failed!", orig_path);
}
LOG_PRINT(LOG_INFO, "Compress Image with JPEGCompression");
status = MagickSetImageCompression(magick_wand, JPEGCompression);
if(status == MagickFalse)
{
LOG_PRINT(LOG_WARNING, "Image[%s] Compression Failed!", orig_path);
}
}
size_t quality = MagickGetImageCompressionQuality(magick_wand) * 0.75;
LOG_PRINT(LOG_INFO, "Image Compression Quality is %u.", quality);
if(quality == 0)
{
quality = 75;
}
LOG_PRINT(LOG_INFO, "Set Compression Quality to 75%.");
status = MagickSetImageCompressionQuality(magick_wand, quality);
if(status == MagickFalse)
{
LOG_PRINT(LOG_WARNING, "Set Compression Quality Failed!");
}
//strip image EXIF infomation
LOG_PRINT(LOG_INFO, "Start to Remove Exif Infomation of the Image...");
status = MagickStripImage(magick_wand);
if(status == MagickFalse)
{
LOG_PRINT(LOG_WARNING, "Remove Exif Infomation of the ImageFailed!");
}
}
*buff_ptr = (char *)MagickGetImageBlob(magick_wand, img_size);
if(*buff_ptr == NULL)
{
LOG_PRINT(LOG_ERROR, "Magick Get Image Blob Failed!");
goto err;
}
done:
if(*img_size < CACHE_MAX_SIZE)
{
// to gen cache_key like this: rsp_path-/926ee2f570dc50b2575e35a6712b08ce
sprintf(cache_key, "img:%s:%d:%d:%d:%d", req->md5, req->width, req->height, req->proportion, req->gray);
set_cache_bin(cache_key, *buff_ptr, *img_size);
// sprintf(cache_key, "type:%s:%d:%d:%d:%d", req->md5, req->width, req->height, req->proportion, req->gray);
// set_cache(cache_key, img_format);
}
result = 1;
if(got_rsp == false)
{
LOG_PRINT(LOG_INFO, "Image[%s] is Not Existed. Begin to Save it.", rsp_path);
result = 2;
}
else
LOG_PRINT(LOG_INFO, "Image Needn't to Storage.", rsp_path);
err:
if(fd != -1)
close(fd);
req->rsp_path = rsp_path;
if(magick_wand)
{
magick_wand=DestroyMagickWand(magick_wand);
}
if(img_format)
free(img_format);
if(cache_key)
free(cache_key);
if (orig_path)
free(orig_path);
if (whole_path)
free(whole_path);
return result;
}
static void doit(const char *src, const char *dst, size_t oldsize,
const struct imgmin_options *opt)
{
MagickWand *mw, *tmp;
MagickBooleanType status;
double ks;
size_t newsize = oldsize + 1;
MagickWandGenesis();
mw = NewMagickWand();
/* load image... */
if (0 == strcmp("-", src))
{
/* ...from stdin */
# define BIGBUF (16 * 1024 * 1024)
char *blob = malloc(BIGBUF);
oldsize = read(STDIN_FILENO, blob, BIGBUF);
if (BIGBUF == oldsize)
{
fprintf(stderr, "Image too large for hardcoded imgmin stdin buffer\n");
exit(1);
}
MagickReadImageBlob(mw, blob, oldsize);
free(blob);
} else {
/* ...from disk */
status = MagickReadImage(mw, src);
if (status == MagickFalse)
ThrowWandException(mw);
}
ks = oldsize / 1024.;
fprintf(stderr,
"Before quality:%lu colors:%lu size:%5.1fkB type:%s ",
quality(mw),
(unsigned long)unique_colors(mw),
ks, type2str(MagickGetImageType(mw)));
tmp = search_quality(mw, dst, opt);
/* output image... */
{
unsigned char *blob = MagickGetImageBlob(tmp, &newsize);
/* if resulting image is larger than original, use original instead */
if (newsize > oldsize)
{
(void) MagickRelinquishMemory(blob);
blob = MagickGetImageBlob(mw, &newsize);
}
{
int fd;
if (0 == strcmp("-", dst))
{
fd = STDOUT_FILENO;
} else {
fd = open(dst, O_WRONLY | O_CREAT, 0644);
if (-1 == fd)
{
perror("open");
exit(1);
}
}
if ((ssize_t)newsize != write(fd, blob, newsize))
{
perror("write");
exit(1);
}
(void) MagickRelinquishMemory(blob);
if (fd != STDOUT_FILENO)
close(fd);
}
}
{
double kd = newsize / 1024.;
double ksave = ks - kd;
double kpct = ksave * 100. / ks;
fprintf(stderr,
"After quality:%lu colors:%lu size:%5.1fkB saved:%5.1fkB (%.1f%%)\n",
(unsigned long)quality(tmp),
(unsigned long)unique_colors(tmp),
kd, ksave, kpct);
}
/* tear it down */
DestroyMagickWand(tmp);
DestroyMagickWand(mw);
MagickWandTerminus();
}
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;
}
int main(int argc, char **argv)
{
printf("Hello World\n");
#define QuantumScale ((MagickRealType) 1.0/(MagickRealType) QuantumRange)
#define SigmoidalContrast(x) (QuantumRange*(1.0/(1+exp(10.0*(0.5-QuantumScale*x)))-0.0066928509)*1.0092503)
#define ThrowWandException(wand)\
{\
char *description;\
ExceptionType\
severity;\
\
description=MagickGetException(wand,&severity);\
(void)fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description);\
exit(-1);\
}
long y;
MagickBooleanType status;
MagickPixelPacket pixel;
MagickWand *contrast_wand, *image_wand;
PixelIterator *contrast_iterator,*iterator;
PixelWand **contrast_pixels, **pixels;
register long x;
unsigned long width;
if (argc != 3)
{
(void)fprintf(stdout,"Usage: %s image sigmoidal-image\n",argv[0]);
exit(0);
}
/*
Read an Image
*/
MagickWandGenesis();
image_wand = NewMagickWand();
status = MagickReadImage(image_wand,argv[1]);
if(status == MagickFalse)
ThrowWandException(image_wand);
contrast_wand = CloneMagickWand(image_wand);
/*
Sigmoidal non-linearity contrast control.
*/
iterator = NewPixelIterator(image_wand);
contrast_iterator=NewPixelIterator(contrast_wand);
if((iterator == (PixelIterator*)NULL) || (contrast_iterator == (PixelIterator*)NULL))
ThrowWandException(image_wand);
for(y=0; y<(long)MagickGetImageHeight(image_wand); y++)
{
pixels = PixelGetNextIteratorRow(iterator,&width);
contrast_pixels = PixelGetNextIteratorRow(contrast_iterator,&width);
if((pixels==(PixelWand**)NULL) || (contrast_pixels == (PixelWand**)NULL))
break;
for(x = 0; x<(long)width; x++)
{
PixelGetMagickColor(pixels[x],&pixel);
pixel.red = SigmoidalContrast(pixel.red);
pixel.green = SigmoidalContrast(pixel.green);
pixel.blue = SigmoidalContrast(pixel.blue);
pixel.index = SigmoidalContrast(pixel.index);
PixelSetMagickColor(contrast_pixels[x],&pixel);
}
(void)PixelSyncIterator(contrast_iterator);
}
if(y < (long)MagickGetImageHeight(image_wand))
ThrowWandException(image_wand);
contrast_iterator = DestroyPixelIterator(contrast_iterator);
iterator = DestroyPixelIterator(iterator);
image_wand=DestroyMagickWand(image_wand);
status = MagickWriteImages(contrast_wand,argv[2],MagickTrue);
if(status == MagickFalse)
ThrowWandException(image_wand);
contrast_wand = DestroyMagickWand(contrast_wand);
MagickWandTerminus();
return 0;
}
/**
* @brief get_img_mode_db Get image from db mode backend.
*
* @param req zimg request struct
* @param buff_ptr buff pointer
* @param img_size buff size
*
* @return 1 for success and -1 for failed
*/
int get_img_mode_db(zimg_req_t *req, evhtp_request_t *request)
{
int result = -1;
char cache_key[CACHE_KEY_SIZE];
char *img_format = NULL;
char *buff_ptr = NULL;
size_t img_size;
MagickBooleanType status;
MagickWand *magick_wand = NULL;
bool got_rsp = true;
bool got_color = false;
LOG_PRINT(LOG_DEBUG, "get_img() start processing zimg request...");
if(req->gray == 1)
{
gen_key(cache_key, req->md5, 4, req->width, req->height, req->proportion, req->gray);
}
else
{
if(req->proportion == 0 && req->width == 0 && req->height == 0)
{
gen_key(cache_key, req->md5, 0);
}
else
{
gen_key(cache_key, req->md5, 3, req->width, req->height, req->proportion);
}
}
if(find_cache_bin(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Hit Cache[Key: %s].", cache_key);
goto done;
}
LOG_PRINT(LOG_DEBUG, "Start to Find the Image...");
if(get_img_db(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Get image [%s] from backend db succ.", cache_key);
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
goto done;
}
magick_wand = NewMagickWand();
got_rsp = false;
if(req->gray == 1)
{
gen_key(cache_key, req->md5, 3, req->width, req->height, req->proportion);
if(find_cache_bin(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Hit Color Image Cache[Key: %s, len: %d].", cache_key, img_size);
status = MagickReadImageBlob(magick_wand, buff_ptr, img_size);
free(buff_ptr);
buff_ptr = NULL;
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Color Image Cache[Key: %s] is Bad. Remove.", cache_key);
del_cache(req->thr_arg, cache_key);
}
else
{
got_color = true;
LOG_PRINT(LOG_DEBUG, "Read Image from Color Image Cache[Key: %s, len: %d] Succ. Goto Convert.", cache_key, img_size);
goto convert;
}
}
if(get_img_db(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Get color image [%s] from backend db.", cache_key);
status = MagickReadImageBlob(magick_wand, buff_ptr, img_size);
if(status == MagickTrue)
{
got_color = true;
LOG_PRINT(LOG_DEBUG, "Read Image from Color Image[%s] Succ. Goto Convert.", cache_key);
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
free(buff_ptr);
buff_ptr = NULL;
goto convert;
}
}
}
gen_key(cache_key, req->md5, 0);
if(find_cache_bin(req->thr_arg, cache_key, &buff_ptr, &img_size) == 1)
{
LOG_PRINT(LOG_DEBUG, "Hit Cache[Key: %s].", cache_key);
}
else
{
if(get_img_db(req->thr_arg, cache_key, &buff_ptr, &img_size) == -1)
{
LOG_PRINT(LOG_DEBUG, "Get image [%s] from backend db failed.", cache_key);
goto err;
}
else if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
}
status = MagickReadImageBlob(magick_wand, buff_ptr, img_size);
free(buff_ptr);
buff_ptr = NULL;
if(status == MagickFalse)
{
ThrowWandException(magick_wand);
del_cache(req->thr_arg, cache_key);
LOG_PRINT(LOG_DEBUG, "Read image [%s] from blob failed.", cache_key);
goto err;
}
if(req->width == 0 && req->height == 0)
{
LOG_PRINT(LOG_DEBUG, "Image [%s] needn't resize. Goto Convert.", cache_key);
goto convert;
}
int width, height;
width = req->width;
height = req->height;
float owidth = MagickGetImageWidth(magick_wand);
float oheight = MagickGetImageHeight(magick_wand);
if(width <= owidth && height <= oheight)
{
if(req->proportion == 1 || (req->proportion == 0 && req->width * req->height == 0))
{
if(req->height == 0)
{
height = width * oheight / owidth;
}
else
{
width = height * owidth / oheight;
}
}
status = MagickResizeImage(magick_wand, width, height, LanczosFilter, 1.0);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Resize Failed!", cache_key);
goto err;
}
LOG_PRINT(LOG_DEBUG, "Resize img succ.");
}
else
{
got_rsp = true;
LOG_PRINT(LOG_DEBUG, "Args width/height is bigger than real size, return original image.");
}
convert:
//compress image
if(got_color == false)
{
LOG_PRINT(LOG_DEBUG, "Start to Compress the Image!");
img_format = MagickGetImageFormat(magick_wand);
LOG_PRINT(LOG_DEBUG, "Image Format is %s", img_format);
if(strcmp(img_format, "JPEG") != 0)
{
LOG_PRINT(LOG_DEBUG, "Convert Image Format from %s to JPEG.", img_format);
status = MagickSetImageFormat(magick_wand, "JPEG");
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Convert Format Failed!", cache_key);
}
LOG_PRINT(LOG_DEBUG, "Compress Image with JPEGCompression");
status = MagickSetImageCompression(magick_wand, JPEGCompression);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Compression Failed!", cache_key);
}
}
size_t quality = MagickGetImageCompressionQuality(magick_wand);
LOG_PRINT(LOG_DEBUG, "Image Compression Quality is %u.", quality);
if(quality > WAP_QUALITY)
{
quality = WAP_QUALITY;
}
LOG_PRINT(LOG_DEBUG, "Set Compression Quality to 75%.");
status = MagickSetImageCompressionQuality(magick_wand, quality);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Set Compression Quality Failed!");
}
//strip image EXIF infomation
LOG_PRINT(LOG_DEBUG, "Start to Remove Exif Infomation of the Image...");
status = MagickStripImage(magick_wand);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Remove Exif Infomation of the ImageFailed!");
}
buff_ptr = (char *)MagickGetImageBlob(magick_wand, &img_size);
if(buff_ptr == NULL)
{
LOG_PRINT(LOG_DEBUG, "Magick Get Image Blob Failed!");
goto err;
}
gen_key(cache_key, req->md5, 3, req->width, req->height, req->proportion);
if(got_rsp == false)
{
save_img_db(req->thr_arg, cache_key, buff_ptr, img_size);
}
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
if(req->gray == 1)
{
free(buff_ptr);
buff_ptr = NULL;
}
else
{
goto done;
}
}
//gray image
if(req->gray == 1)
{
LOG_PRINT(LOG_DEBUG, "Start to Remove Color!");
status = MagickSetImageColorspace(magick_wand, GRAYColorspace);
if(status == MagickFalse)
{
LOG_PRINT(LOG_DEBUG, "Image[%s] Remove Color Failed!", cache_key);
goto err;
}
LOG_PRINT(LOG_DEBUG, "Image Remove Color Finish!");
buff_ptr = (char *)MagickGetImageBlob(magick_wand, &img_size);
if(buff_ptr == NULL)
{
LOG_PRINT(LOG_DEBUG, "Magick Get Image Blob Failed!");
goto err;
}
gen_key(cache_key, req->md5, 4, req->width, req->height, req->proportion, req->gray);
if(got_rsp == false)
{
save_img_db(req->thr_arg, cache_key, buff_ptr, img_size);
}
if(img_size < CACHE_MAX_SIZE)
{
set_cache_bin(req->thr_arg, cache_key, buff_ptr, img_size);
}
}
done:
result = evbuffer_add(request->buffer_out, buff_ptr, img_size);
if(result != -1)
{
result = 1;
}
err:
if(magick_wand)
{
magick_wand=DestroyMagickWand(magick_wand);
}
if(img_format)
free(img_format);
if(buff_ptr)
free(buff_ptr);
return result;
}
int main(int argc, char *argv[])
{
MagickWand
*wand,
*input,
*output;
MagickBooleanType
status;
printf("Add 3 sets of images after setting 'first' on empty wand\n");
printf("Result shoud be: 678 345 012\n");
MagickWandGenesis();
wand = NewMagickWand();
input = NewMagickWand();
MagickSetFirstIterator(wand);
status = MagickReadImage(input, "font_0.gif" )
&& MagickReadImage(input, "font_1.gif" )
&& MagickReadImage(input, "font_2.gif" );
if (status == MagickFalse)
ThrowWandException(input);
status = MagickAddImage(wand, input);
if (status == MagickFalse)
ThrowWandException(wand);
ClearMagickWand(input);
status = MagickReadImage(input, "font_3.gif" )
&& MagickReadImage(input, "font_4.gif" )
&& MagickReadImage(input, "font_5.gif" );
if (status == MagickFalse)
ThrowWandException(input);
status = MagickAddImage(wand, input);
if (status == MagickFalse)
ThrowWandException(wand);
ClearMagickWand(input);
status = MagickReadImage(input, "font_6.gif" )
&& MagickReadImage(input, "font_7.gif" )
&& MagickReadImage(input, "font_8.gif" );
if (status == MagickFalse)
ThrowWandException(input);
status = MagickAddImage(wand, input);
if (status == MagickFalse)
ThrowWandException(wand);
input=DestroyMagickWand(input); /* finished */
/* append all images together to create the output wand */
MagickResetIterator(wand); /* append all images */
output = MagickAppendImages(wand,MagickFalse);
wand = DestroyMagickWand(wand); /* finished - could swap here */
/* Final output */
status = MagickWriteImage(output,"show:");
if (status == MagickFalse)
ThrowWandException(output);
output = DestroyMagickWand(output);
MagickWandTerminus();
}
