forked from old/legacy-imlib2
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
#include "filter_common.h"
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#include <string.h>
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void
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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 =
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strdup
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("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 *) * 3);
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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
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deinit(void)
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{
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return;
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}
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void *
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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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