X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fgfxtools.c;h=f6853daff5caa667b665277df2342cbc6d29b7de;hp=d8aef3f099c7341af079b6f6d6a1d84782897c28;hb=395359a0831639fcc30aab4ea897e23ff8ab420c;hpb=0e9d27093c3e6e8e316fbc08bb9d422d74da2fd1

diff --git a/lib/gfxtools.c b/lib/gfxtools.c
index d8aef3f..f6853da 100644
--- a/lib/gfxtools.c
+++ b/lib/gfxtools.c
@@ -29,6 +29,7 @@
 #include "gfxtools.h"
 #include "gfxfont.h"
 #include "jpeg.h"
+#include "q.h"
 
 typedef struct _linedraw_internal
 {
@@ -233,7 +234,7 @@ void gfxtool_draw_dashed_line(gfxdrawer_t*d, gfxline_t*line, float*r, float phas
         return;
     }
     if(r[0]<0 || phase<0) {
-	fprintf(stderr, "gfxtool: invalid (negative) dashes: %f, phase=%f", r[0], phase);
+	fprintf(stderr, "gfxtool: invalid (negative) dashes: %f, phase=%f\n", r[0], phase);
 	return;
     }
 
@@ -655,6 +656,13 @@ gfxbbox_t gfxbbox_expand_to_point(gfxbbox_t box, gfxcoord_t x, gfxcoord_t y)
     return box;
 }
 
+gfxbbox_t gfxbbox_expand_to_bbox(gfxbbox_t box, gfxbbox_t box2)
+{
+    gfxbbox_expand_to_point(box, box2.xmin, box2.ymin);
+    gfxbbox_expand_to_point(box, box2.xmax, box2.ymax);
+    return box;
+}
+
 void gfxbbox_intersect(gfxbbox_t*box1, gfxbbox_t*box2)
 {
     if(box2->xmin > box1->xmin)
@@ -727,8 +735,8 @@ void gfxline_transform(gfxline_t*line, gfxmatrix_t*matrix)
 
 void gfxmatrix_dump(gfxmatrix_t*m, FILE*fi, char*prefix)
 {
-    fprintf(fi, "%f %f | %f\n", m->m00, m->m10, m->tx);
-    fprintf(fi, "%f %f | %f\n", m->m01, m->m11, m->ty);
+    fprintf(fi, "%s%f %f | %f\n", prefix, m->m00, m->m10, m->tx);
+    fprintf(fi, "%s%f %f | %f\n", prefix, m->m01, m->m11, m->ty);
 }
 
 void gfxmatrix_transform(gfxmatrix_t*m, double* v, double*dest)
@@ -1004,18 +1012,188 @@ void gfxline_dump(gfxline_t*line, FILE*fi, char*prefix)
     }
 }
 
-void gfximage_save_jpeg(gfximage_t*img, char*filename, int quality)
+static char gfxpoint_equals(void*c1, void*c2)
 {
-    unsigned char*data = malloc(img->width*img->height*3);
-    int t;
-    int size = img->width*img->height;
-    int s = 0;
-    for(t=0;t<size;t++) {
-	data[s+0] = img->data[t].r;
-	data[s+1] = img->data[t].g;
-	data[s+2] = img->data[t].b;
-	s+=3;
+    return !memcmp(c1, c2, sizeof(gfxpoint_t));
+}
+static unsigned int gfxpoint_hash(void*c)
+{
+    return string_hash3(c, sizeof(gfxpoint_t));
+}
+static void* gfxpoint_clone(void*c)
+{
+    void*n = malloc(sizeof(gfxpoint_t));
+    memcpy(n, c, sizeof(gfxpoint_t));
+    return n;
+}
+static void gfxpoint_destroy(void*c)
+{
+    free(c);
+}
+static type_t gfxpoint_type = {
+    hash: (hash_func)gfxpoint_hash,
+    equals: (equals_func)gfxpoint_equals,
+    dup: (dup_func)gfxpoint_clone,
+    free: (free_func)gfxpoint_destroy,
+};
+
+gfxline_t* gfxline_restitch(gfxline_t*line)
+{
+    dict_t*ff = dict_new2(&gfxpoint_type);
+    dict_t*rev = dict_new2(&gfxpoint_type);
+    
+    gfxline_t*prev=0;
+    while(line) {
+	gfxline_t*next = line->next;
+	if(line->type == gfx_moveTo && (line->next && line->next->type != gfx_moveTo)) {
+	    gfxpoint_t xy = {line->x, line->y};
+	    dict_put(ff, &xy, line);
+	    prev = line;
+	} else if(!line->next || line->next->type == gfx_moveTo) {
+	    if(prev) {
+		gfxpoint_t xy = {line->x, line->y};
+		dict_put(rev, &xy, prev);
+		line->next = 0;
+	    }
+	}
+	line = next;
+    }
+   
+    gfxpoint_t pos = {0,0};
+
+    gfxline_t*result = 0;
+    gfxline_t*last = 0;
+   
+    char first = 1;
+    while(dict_count(ff)) {
+	char reverse = 0, stitch = 1;
+	gfxline_t*l = dict_lookup(ff, &pos);
+	if(l) {
+	    char d = dict_del2(ff,&pos,l);assert(d);
+	} else {
+	    l = dict_lookup(rev, &pos);
+	    if(l) {
+		reverse = 1;
+		char d = dict_del2(rev,&pos,l);assert(d);
+	    }
+	}
+	if(!l) {
+	    /* try to find *any* entry. this is costly, but
+	       doesn't happen too often */
+	    stitch = 0;
+	    DICT_ITERATE_DATA(ff, gfxline_t*, l2) {
+		l = l2;
+		break;
+	    }
+	    assert(l);
+	    gfxpoint_t xy = {l->x,l->y};
+	    char d = dict_del2(ff,&xy,l);assert(d);
+	}
+	
+	gfxline_t*end = l;
+	if(!reverse) {
+	    while(end->next) end = end->next;
+	    pos.x = end->x;
+	    pos.y = end->y;
+	    char d = dict_del2(rev,&pos,l);assert(d);
+	} else {
+	    l = gfxline_reverse(l);
+	    pos.x = end->x;
+	    pos.y = end->y;
+	    char d = dict_del2(ff,&pos,end);assert(d);
+	}
+
+	assert(l->type == gfx_moveTo);
+	if(stitch && !first) {
+	    /* cut away the moveTo */
+	    gfxline_t*next = l->next;
+	    free(l);
+	    l = next;
+	}
+
+	if(!last) {
+	    result = l;
+	    last = end;
+	} else {
+	    last->next = l;
+	    last = end;
+	}
+	first = 0;
+    }
+    dict_destroy(ff);
+    dict_destroy(rev);
+    return result;
+}
+
+gfxline_t* gfxline_reverse(gfxline_t*line)
+{
+    gfxline_t*b = 0;
+    while(line) {
+	gfxline_t*next = line->next;
+	if(next && next->type != gfx_moveTo) {
+	    line->type = next->type;
+	    line->sx = next->sx;
+	    line->sy = next->sy;
+	} else {
+	    line->type = gfx_moveTo;
+	}
+	line->next = b;
+	b = line;
+	line = next;
+    }
+    return b;
+}
+
+void gfxgradient_destroy(gfxgradient_t*gradient)
+{
+    while(gradient) {
+	gfxgradient_t*next = gradient->next;
+	free(gradient);
+	gradient = next;
+    }
+}
+
+gfxparams_t* gfxparams_new()
+{
+    return (gfxparams_t*)rfx_calloc(sizeof(gfxparams_t));
+}
+
+void gfxparams_store(gfxparams_t*params, const char*key, const char*value)
+{
+    gfxparam_t*o = params->params;
+    while(o) {
+        if(!strcmp(key, o->key)) {
+            /* overwrite old value */
+            free((void*)o->value);
+            o->value = strdup(value);
+            return;
+        }
+        o = o->next;
+    }
+    gfxparam_t*p = (gfxparam_t*)malloc(sizeof(gfxparam_t));
+    p->key = strdup(key);
+    p->value = strdup(value);
+    p->next = 0;
+
+    if(params->last) {
+	params->last->next = p;
+	params->last = p;
+    } else {
+	params->params = p;
+	params->last = p;
+    }
+}
+
+void gfxparams_free(gfxparams_t*params)
+{
+    gfxparam_t*p = params->params;
+    while(p) {
+	gfxparam_t*next = p->next;
+	free((void*)p->key);
+	if(p->value) free((void*)p->value);
+	free(p);
+	p = next;
     }
-    jpeg_save(data, img->width, img->height, quality, filename);
+    free(params);
 }