diff options
Diffstat (limited to 'filters/php_bumpmap.c')
| -rw-r--r-- | filters/php_bumpmap.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/filters/php_bumpmap.c b/filters/php_bumpmap.c new file mode 100644 index 0000000..3813da3 --- /dev/null +++ b/filters/php_bumpmap.c @@ -0,0 +1,183 @@ +#include "php.h" +#include "php_imlib.h" + +/* aliases for the exported symbols */ + +#define php_filter_init php_bumpmap_LTX_php_filter_init +#define php_filter_deinit php_bumpmap_LTX_php_filter_deinit +#define php_filter_exec php_bumpmap_LTX_php_filter_exec +#define php_filter_getfiltercount php_bumpmap_LTX_php_filter_getfiltercount +#define php_filter_getfilternames php_bumpmap_LTX_php_filter_getfilternames +#define php_filter_getextinfo php_bumpmap_LTX_php_filter_getextinfo +#define php_filter_getparams php_bumpmap_LTX_php_filter_getparams + + +static char* _php_bumpmap_stradd(char* str1,char* str2) +{ + char* retval; + if ((str1)&&(str2)) + { + retval=emalloc((strlen(str1)+strlen(str2)+1)*sizeof(char)); + if (retval) + { + strcpy(retval,str1); + strcat(retval,str2); + efree(str1); + return retval; + } + } + return str1; +} + +static int +_php_bumpmap_exec(char* filter, HashTable* params,int index) +{ + char *allpnames[][10]={ + {"map","angle","elevation","depth","red","green","blue","ambient",0}, + {"map","x","y","z","depth","red","green","blue","ambient",0} + }; + int allptypes[][10]={ + {'I','i','i','i','i','i','i','i'}, + {'I','i','i','i','i','i','i','i','i'} + }; + char **paramnames; + int *paramtypes; + char *script; + Imlib_Image im=NULL; + HashPosition pos; + + paramnames=allpnames[index]; + paramtypes=allptypes[index]; + + script=estrdup(filter); + script=_php_bumpmap_stradd(script,"("); + + zend_hash_internal_pointer_reset_ex(params,&pos); + while (pos) + { + char *str_index; + ulong num_index; + int retval; + + retval=zend_hash_get_current_key_ex(params,&str_index,NULL,&num_index,0,&pos); + if (retval==HASH_KEY_IS_STRING) + { + int match=0; + int index=0; + while (paramnames[index]) + { + if (strcmp(str_index,paramnames[index])==0) + { + char val[32]; + zval **data; + zend_hash_get_current_data_ex(params,&data,&pos); + + switch(paramtypes[index]) + { + case 'I': + im=_php_imlib_get_image(data); + script=_php_bumpmap_stradd(script,"map=[]"); + break; + case 'i': + convert_to_long_ex(data); + sprintf(val,"%d",(int)Z_LVAL_PP(data)); + script=_php_bumpmap_stradd(script,str_index); + script=_php_bumpmap_stradd(script,"="); + script=_php_bumpmap_stradd(script,val); + break; + } + script=_php_bumpmap_stradd(script,","); + match=1; + break; + } + index++; + } + if (!match) + { + php_error(E_NOTICE,"Unknown argument %s ignored",str_index); + } + } + zend_hash_move_forward_ex(params,&pos); + } + + if (script[strlen(script)-1]==',') script[strlen(script)-1]='\0'; + script=_php_bumpmap_stradd(script,");"); + if (!script) return FAILURE; +/*zend_printf("Script: %s, map: %p<br>",script,im);*/ + imlib_apply_filter(script,im); + efree(script); + return SUCCESS; +} + +int +php_filter_init() +{ + return SUCCESS; +} + +void +php_filter_deinit() +{ + return; +} + +int +php_filter_exec(Imlib_Image im, char *filter, HashTable *params) +{ + int index=_php_bumpmap_getfilterindex(filter); + if (index!=-1) + { + int rv; + imlib_context_set_image(im); + rv=_php_bumpmap_exec(filter,params,index); + return rv; + } + return FAILURE; +} + +int +php_filter_getfiltercount() +{ + return 2; +} + +void +php_filter_getfilternames(char** filternames) +{ + filternames[0]="bump_map"; + filternames[1]="bump_map_point"; +} + +int +_php_bumpmap_getfilterindex(char* filtername) +{ + char** filternames; + int i; + + filternames=(char**)emalloc(php_filter_getfiltercount()*sizeof(char*)); + php_filter_getfilternames(filternames); + for (i=0;i<php_filter_getfiltercount();i++) + { + if (strcmp(filtername,filternames[i])==0) return i; + } + return -1; +} + +void +php_filter_getextinfo(char** info) +{ + info[0]="Bump Mapping"; + info[1]="Provides PHP interface to Willem Monsuwe's bump mapping filter."; + info[2]="Piotr Pawlow (pp@siedziba.pl)"; +} + +char* +php_filter_getparams(char* filter) +{ + char* filterparams[]={ + NULL, + "Image map, int angle=0, int elevation=30, int depth=0x200, int red=0x200, int green=0x200, int blue=0x200, int ambient=0", + "Image map, int x=0, int y=0, int z=30, int depth=0x200, int red=0x200, int green=0x200, int blue=0x200, int ambient=0" + }; + return filterparams[_php_bumpmap_getfilterindex(filter)+1]; +} |