#include <assert.h>
#include "gfxtools.h"
#include "gfxfont.h"
+#include "jpeg.h"
+#include "q.h"
typedef struct _linedraw_internal
{
gfxline_t*start;
gfxline_t*next;
gfxcoord_t x0,y0;
+ char has_moveto;
} linedraw_internal_t;
static void linedraw_moveTo(gfxdrawer_t*d, gfxcoord_t x, gfxcoord_t y)
linedraw_internal_t*i = (linedraw_internal_t*)d->internal;
gfxline_t*l = (gfxline_t*)rfx_alloc(sizeof(gfxline_t));
l->type = gfx_moveTo;
- if((int)((d->x * 5120) == (int)(x * 5120)) &&
- (int)((d->y * 5120) == (int)(y * 5120))) {
- /* never mind- we're already there */
- return;
-
- }
+ i->has_moveto = 1;
i->x0 = x;
i->y0 = y;
l->sx = l->sy = 0;
static void linedraw_lineTo(gfxdrawer_t*d, gfxcoord_t x, gfxcoord_t y)
{
linedraw_internal_t*i = (linedraw_internal_t*)d->internal;
- gfxline_t*l = (gfxline_t*)rfx_alloc(sizeof(gfxline_t));
-
- if(!i->start) {
+ if(!i->has_moveto) {
/* starts with a line, not with a moveto. As this is the first
entry in the list, this is probably *meant* to be a moveto */
linedraw_moveTo(d, x, y);
return;
}
-
+
+ gfxline_t*l = (gfxline_t*)rfx_alloc(sizeof(gfxline_t));
l->type = gfx_lineTo;
d->x = l->x = x;
d->y = l->y = y;
static void linedraw_splineTo(gfxdrawer_t*d, gfxcoord_t sx, gfxcoord_t sy, gfxcoord_t x, gfxcoord_t y)
{
linedraw_internal_t*i = (linedraw_internal_t*)d->internal;
- gfxline_t*l = (gfxline_t*)rfx_alloc(sizeof(gfxline_t));
-
- if(!i->start) {
- fprintf(stderr, "Error: drawing startpoint is a spline\n");
+ if(!i->has_moveto) {
linedraw_moveTo(d, x, y);
return;
}
+ gfxline_t*l = (gfxline_t*)rfx_alloc(sizeof(gfxline_t));
l->type = gfx_splineTo;
d->x = l->x = x;
d->y = l->y = y;
if(!i->start)
i->start = l;
}
-static void* linedraw_close(gfxdrawer_t*d)
+static void linedraw_close(gfxdrawer_t*d)
{
linedraw_internal_t*i = (linedraw_internal_t*)d->internal;
+ if(!i->has_moveto)
+ return;
linedraw_lineTo(d, i->x0, i->y0);
+ i->has_moveto = 0;
+ i->x0 = 0;
+ i->y0 = 0;
}
static void* linedraw_result(gfxdrawer_t*d)
{
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;
}
return box;
}
+gfxbbox_t gfxbbox_expand_to_bbox(gfxbbox_t box, gfxbbox_t box2)
+{
+ box = gfxbbox_expand_to_point(box, box2.xmin, box2.ymin);
+ box = 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)
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)
}
return 0;
}
-gfxfontlist_t*gfxfontlist_addfont(gfxfontlist_t*list, gfxfont_t*font)
+void*gfxfontlist_getuserdata(gfxfontlist_t*list, const char*id)
+{
+ gfxfontlist_t*l = list;
+ while(l) {
+ if(!strcmp((char*)l->font->id, id)) {
+ return l->user;
+ }
+ l = l->next;
+ }
+ return 0;
+}
+gfxfontlist_t*gfxfontlist_addfont2(gfxfontlist_t*list, gfxfont_t*font, void*user)
{
gfxfontlist_t*last=0,*l = list;
while(l) {
}
l = (gfxfontlist_t*)rfx_calloc(sizeof(gfxfontlist_t));
l->font = font;
+ l->user = user;
l->next = 0;
if(last) {
last->next = l;
return l;
}
}
+gfxfontlist_t*gfxfontlist_addfont(gfxfontlist_t*list, gfxfont_t*font)
+{
+ return gfxfontlist_addfont2(list, font, 0);
+}
void gfxfontlist_free(gfxfontlist_t*list, char deletefonts)
{
gfxfontlist_t*l = list;
}
}
-gfxline_t*gfxline_makerectangle(int x1,int y1,int x2, int y2)
+gfxline_t*gfxline_makerectangle(double x1,double y1,double x2, double y2)
{
gfxline_t* line = (gfxline_t*)rfx_calloc(sizeof(gfxline_t)*5);
line[0].x = x1;line[0].y = y1;line[0].type = gfx_moveTo;line[0].next = &line[1];
}
}
+static char gfxpoint_equals(void*c1, void*c2)
+{
+ 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;
+ }
+ free(params);
+}
+