113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "common.h"
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/XShm.h>
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#include <X11/Xutil.h>
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#include "Imlib2.h"
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#include "image.h"
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#include "script.h"
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#include "dynamic_filters.h"
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void init( struct imlib_filter_info *info );
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void deinit();
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void *exec( char *filter, void *im, pIFunctionParam params );
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void init( struct imlib_filter_info *info )
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{
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char *filters[] = { "tint", "cool_text", "gradient" };
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int i = 0;
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info->name = strdup( "Test Filter" );
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info->author = strdup( "Chris Ross - Boris - chris@darkrock.co.uk" );
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info->description = strdup( "This filter is used to show that the imlib2 filter system works!" );
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info->num_filters = 3;
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info->filters = malloc(sizeof(char *)*2);
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for (i = 0; i < info->num_filters; i++)
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info->filters[i] = strdup(filters[i]);
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}
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void deinit()
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{
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return;
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}
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void *exec( char *filter, void *im, pIFunctionParam params )
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{
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Imlib_Image imge = im;
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Imlib_Image anoim;
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IFunctionParam *ptr;
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if( strcmp( filter, "tint" ) == 0 )
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{
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Imlib_Color_Modifier cm;
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DATA8 atab[256];
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int x = 0, y = 0, w = 0, h = 0;
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DATA8 r = 255, b = 255, g = 255, a = 255;
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/*
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printf( "filter_test.c: tint called\n" );
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*/
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/* Set friendly defaults */
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imlib_context_set_image( imge );
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w = imlib_image_get_width();
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h = imlib_image_get_height();
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for( ptr = params; ptr != NULL; ptr = ptr->next )
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{
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ASSIGN_DATA8( "red", r );
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ASSIGN_DATA8( "blue", b );
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ASSIGN_DATA8( "green", g );
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ASSIGN_INT( "x", x );
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ASSIGN_INT( "y", y );
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ASSIGN_INT( "w", w );
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ASSIGN_INT( "h", h );
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ASSIGN_DATA8( "alpha", a );
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}
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/*
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printf( "Using values red=%d,blue=%d,green=%d,x=%d,y=%d,height=%d,width=%d,alpha=%d\n", r,b,g,x,y,w,h,a );
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*/
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anoim = imlib_create_image( w, h );
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cm = imlib_create_color_modifier();
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imlib_context_set_color_modifier(cm);
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imlib_context_set_image(anoim);
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imlib_context_set_color(r, g, b, 255);
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imlib_image_fill_rectangle(0, 0, w, h);
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imlib_context_set_blend(1);
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imlib_image_set_has_alpha(1);
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memset(atab, a, sizeof(atab));
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imlib_set_color_modifier_tables(NULL, NULL, NULL, atab);
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imlib_apply_color_modifier_to_rectangle(0, 0, w, h);
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imlib_context_set_image( imge );
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imlib_blend_image_onto_image( anoim, 0, 0, 0, w, h, x, y, w, h);
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imlib_free_color_modifier();
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imlib_context_set_image(anoim);
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imlib_free_image_and_decache();
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imlib_context_set_image(imge);
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return imge;
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}
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if( strcmp( filter, "cool_text" ) == 0 )
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{
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return imge;
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}
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if( strcmp( filter, "gradient" ) == 0 )
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{
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int angle = 0;
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for( ptr = params; ptr != NULL; ptr = ptr->next )
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{
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ASSIGN_INT( "angle", angle );
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}
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return imge;
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}
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return imge;
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}
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