X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswfshape.c;h=bc972d494544ca6aabd211156e45c7adc87fb4db;hb=879d0eec420fe0fd5ddcd56c8fe62b82a6744edd;hp=f41fb3dd08b8802d772b915e878f10ff745cfa7d;hpb=6c3ab5574d31504d24710c2756899d49275c1a37;p=swftools.git

diff --git a/lib/modules/swfshape.c b/lib/modules/swfshape.c
index f41fb3d..bc972d4 100644
--- a/lib/modules/swfshape.c
+++ b/lib/modules/swfshape.c
@@ -21,6 +21,8 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
+#include "../rfxswf.h"
+
 #define SF_MOVETO       0x01
 #define SF_FILL0        0x02
 #define SF_FILL1        0x04
@@ -347,7 +349,12 @@ int swf_ShapeSetMove(TAG * t,SHAPE * s,S32 x,S32 y)
   
   b = swf_CountBits(x,0);
   b = swf_CountBits(y,b);
-  
+
+  if(b>31) {
+      fprintf(stderr, "Warning: bad moveTo (%f,%f)\n", x/20.0, y/20.0);
+      b=31;
+  }
+    
   swf_SetBits(t,b,5);
   swf_SetBits(t,x,b);
   swf_SetBits(t,y,b);
@@ -418,9 +425,9 @@ int swf_ShapeSetLine(TAG * t,SHAPE * s,S32 x,S32 y)
     b = swf_CountBits(y,b);
     if (b<2) b=2;
     if(b >= 18) {
-        if(b >= 18 + 6) {
+        if(b > 18 + 6) {
             /* do not split into more than 64 segments. If the line is *that* long, something's broken */
-            fprintf(stderr, "Warning: Line to %.2f,%.2f is too long\n", (double)x,(double)y);
+            fprintf(stderr, "Warning: Line to %.2f,%.2f is too long (%d bits)\n", (double)x,(double)y, b);
             return -1;
         } else {
             /* split line */
@@ -467,7 +474,7 @@ int swf_ShapeSetCurve(TAG * t,SHAPE * s,S32 x,S32 y,S32 ax,S32 ay)
 
     if(b >= 18) {
           fprintf(stderr, "Bit overflow in swf_ShapeSetCurve- %d (%d,%d,%d,%d)\n", b, ax,ay,x,y);
-          b = 17;
+	  return swf_ShapeSetLine(t, s, x+ax, y+ay);
     }
 
     swf_SetBits(t,2,2);
@@ -506,6 +513,39 @@ void dummycallback1(TAG*tag, int x, void*y)
 // from swftools.c:
 void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph);
 
+static void parseFillStyle(FILLSTYLE*dest, TAG*tag, int num)
+{
+    int type = swf_GetU8(tag); //type
+    dest->type = type;
+    if(type == 0) {
+	/* plain color */
+	if(num >= 3)
+	    swf_GetRGBA(tag, &dest->color);
+	else 
+	    swf_GetRGB(tag, &dest->color);
+    }
+    else if(type == 0x10 || type == 0x11 || type == 0x12 || type == 0x13)
+    {
+	/* linear/radial gradient fill */
+	swf_ResetReadBits(tag);
+	swf_GetMatrix(tag, &dest->m);
+	swf_ResetReadBits(tag);
+	swf_GetGradient(tag, &dest->gradient, num>=3?1:0);
+	if(type == 0x13)
+	    swf_GetU16(tag);
+    }
+    else if(type == 0x40 || type == 0x41 || type == 0x42 || type == 0x43)
+    {
+	/* bitmap fill */
+	swf_ResetReadBits(tag);
+	dest->id_bitmap = swf_GetU16(tag); //id
+	swf_ResetReadBits(tag); //?
+	swf_GetMatrix(tag, &dest->m);
+    }
+    else {
+	fprintf(stderr, "rfxswf:swfshape.c Unknown fillstyle:0x%02x in tag %02d\n",type, tag->id);
+    }
+}
 static int parseFillStyleArray(TAG*tag, SHAPE2*shape)
 {
     U16 count;
@@ -531,41 +571,8 @@ static int parseFillStyleArray(TAG*tag, SHAPE2*shape)
     if(shape->numfillstyles) {
 	shape->fillstyles = (FILLSTYLE*)rfx_realloc(shape->fillstyles, sizeof(FILLSTYLE)*shape->numfillstyles);
 
-        for(t=fillstylestart;t<shape->numfillstyles;t++)
-        {
-            int type;
-            U8*pos;
-            FILLSTYLE*dest = &shape->fillstyles[t];
-            type = swf_GetU8(tag); //type
-            shape->fillstyles[t].type = type;
-            if(type == 0) {
-                /* plain color */
-                if(num >= 3)
-                    swf_GetRGBA(tag, &dest->color);
-                else 
-                    swf_GetRGB(tag, &dest->color);
-            }
-            else if(type == 0x10 || type == 0x11 || type == 0x12 || type == 0x13)
-            {
-                /* linear/radial gradient fill */
-                swf_ResetReadBits(tag);
-                swf_GetMatrix(tag, &dest->m);
-                swf_ResetReadBits(tag);
-                swf_GetGradient(tag, &dest->gradient, num>=3?1:0);
-		if(type == 0x13)
-		    swf_GetU8(tag);
-            }
-            else if(type == 0x40 || type == 0x41 || type == 0x42 || type == 0x43)
-            {
-                /* bitmap fill */
-                swf_ResetReadBits(tag);
-                dest->id_bitmap = swf_GetU16(tag); //id
-                swf_ResetReadBits(tag); //?
-                swf_GetMatrix(tag, &dest->m);
-            }
-            else {
-                fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x\n",type);
-            }
+        for(t=fillstylestart;t<shape->numfillstyles;t++) {
+	    parseFillStyle(&shape->fillstyles[t], tag, num);
         }
     }
 
@@ -581,27 +588,63 @@ static int parseFillStyleArray(TAG*tag, SHAPE2*shape)
            "built in" linestyle 0? */
         for(t=linestylestart;t<shape->numlinestyles;t++) 
         {
+	    char fill = 0;
             shape->linestyles[t].width = swf_GetU16(tag);
 
 	    if(num >= 4) {
 		U16 flags = swf_GetU16(tag);
-		if(flags & 0x2000)
+		if((flags & 0x30) == 0x20)
 		    swf_GetU16(tag); // miter limit
-		if(flags & 0x0800) {
-		    fprintf(stderr, "Filled strokes parsing not yet supported\n");
-		    return 0;
+		if(flags & 0x08) {
+		    fprintf(stderr, "Warning: Filled strokes parsing not yet fully supported\n");
+		    fill = 1;
 		}
 	    }
 
-            if(num >= 3)
-                swf_GetRGBA(tag, &shape->linestyles[t].color);
-            else
-                swf_GetRGB(tag, &shape->linestyles[t].color);
+	    if(fill) {
+		FILLSTYLE f;
+		parseFillStyle(&f, tag, num);
+		shape->linestyles[t].color = f.color;
+	    } else {
+		if(num >= 3)
+		    swf_GetRGBA(tag, &shape->linestyles[t].color);
+		else
+		    swf_GetRGB(tag, &shape->linestyles[t].color);
+	    }
         }
     }
     return 1;
 }
 
+char swf_ShapeIsEmpty(SHAPE*s)
+{
+    if(!s || !s->data) return 1;
+    TAG _tag;
+    TAG* tag = &_tag;
+    memset(tag, 0, sizeof(TAG));
+    tag->data = s->data;
+    tag->len = tag->memsize = (s->bitlen+7)/8;
+    tag->pos = 0;
+    
+    while(1) {
+	if(!swf_GetBits(tag, 1)) {
+	    U16 flags = swf_GetBits(tag, 5);
+	    if(!flags) break;
+	    if(flags&1) { //move
+		int n = swf_GetBits(tag, 5); 
+		swf_GetSBits(tag, n); //x
+		swf_GetSBits(tag, n); //y
+	    }
+	    if(flags&2) swf_GetBits(tag, s->bits.fill);
+	    if(flags&4) swf_GetBits(tag, s->bits.fill);
+	    if(flags&8) swf_GetBits(tag, s->bits.line);
+	    if(flags&16) {return 0;}
+	} else {
+	    return 0;
+	}
+    }
+    return 1;
+}
 
 /* todo: merge this with swf_GetSimpleShape */
 static SHAPELINE* swf_ParseShapeData(U8*data, int bits, int fillbits, int linebits, int version, SHAPE2*shape2)
@@ -622,7 +665,7 @@ static SHAPELINE* swf_ParseShapeData(U8*data, int bits, int fillbits, int linebi
     tag->data = data;
     tag->len = tag->memsize = (bits+7)/8;
     tag->pos = 0;
-    tag->id = version==1?ST_DEFINESHAPE:(version==2?ST_DEFINESHAPE2:ST_DEFINESHAPE3);
+    tag->id = version==1?ST_DEFINESHAPE:(version==2?ST_DEFINESHAPE2:(version==3?ST_DEFINESHAPE3:ST_DEFINESHAPE4));
 
     lines->next = 0;
     while(1) {
@@ -874,10 +917,63 @@ void swf_ShapeSetBitmapRect(TAG*tag, U16 gfxid, int width, int height)
     swf_ShapeFree(shape);
 }
 
+void swf_ShapeSetRectangle(TAG*tag, U16 shapeid, int width, int height, RGBA*rgba)
+{
+    RGBA white={255,255,255,255};
+    if(!rgba) {
+	rgba = &white;
+    }
+    SHAPE* s;
+    swf_ShapeNew(&s);
+    int fs = swf_ShapeAddSolidFillStyle(s, rgba);
+    swf_SetU16(tag,shapeid);
+    SRECT r;
+    r.xmin = 0;
+    r.xmax = 0;
+    r.ymin = width;
+    r.ymax = height;
+    swf_SetRect(tag,&r);
+    swf_SetShapeHeader(tag,s);
+    swf_ShapeSetAll(tag,s,0,0,0,fs,0);
+    swf_ShapeSetLine(tag,s,width,0);
+    swf_ShapeSetLine(tag,s,0,height);
+    swf_ShapeSetLine(tag,s,-width,0);
+    swf_ShapeSetLine(tag,s,0,-height);
+    swf_ShapeSetEnd(tag);
+    swf_ShapeFree(s);
+}
+
+void swf_ShapeSetRectangleWithBorder(TAG*tag, U16 shapeid, int width, int height, RGBA*rgba, int linewidth, RGBA*linecolor)
+{
+    RGBA white={255,255,255,255};
+    if(!rgba) {
+	rgba = &white;
+    }
+    SHAPE* s;
+    swf_ShapeNew(&s);
+    int fs = swf_ShapeAddSolidFillStyle(s, rgba);
+    int ls = swf_ShapeAddLineStyle(s, linewidth, linecolor);
+    swf_SetU16(tag,shapeid);
+    SRECT r;
+    r.xmin = 0;
+    r.xmax = 0;
+    r.ymin = width;
+    r.ymax = height;
+    swf_SetRect(tag,&r);
+    swf_SetShapeHeader(tag,s);
+    swf_ShapeSetAll(tag,s,0,0,ls,fs,0);
+    swf_ShapeSetLine(tag,s,width,0);
+    swf_ShapeSetLine(tag,s,0,height);
+    swf_ShapeSetLine(tag,s,-width,0);
+    swf_ShapeSetLine(tag,s,0,-height);
+    swf_ShapeSetEnd(tag);
+    swf_ShapeFree(s);
+}
+
 void swf_Shape2ToShape(SHAPE2*shape2, SHAPE*shape)
 {
     TAG*tag = swf_InsertTag(0,0);
-    SHAPELINE*l,*next;
+    SHAPELINE*l;
     int newx=0,newy=0,lastx=0,lasty=0,oldls=0,oldfs0=0,oldfs1=0;
 
     memset(shape, 0, sizeof(SHAPE));
@@ -946,8 +1042,6 @@ void swf_ParseDefineShape(TAG*tag, SHAPE2*shape)
 {
     int num = 0, id;
     U16 fill,line;
-    SRECT r;
-    SRECT r2;
     SHAPELINE*l;
     if(tag->id == ST_DEFINESHAPE)
 	num = 1;
@@ -980,9 +1074,11 @@ void swf_ParseDefineShape(TAG*tag, SHAPE2*shape)
     swf_ResetReadBits(tag); 
     fill = (U16)swf_GetBits(tag,4);
     line = (U16)swf_GetBits(tag,4);
+    if(!fill && !line) {
+	fprintf(stderr, "fill/line bits are both zero\n");
+    }
 
-    shape->lines = swf_ParseShapeData(&tag->data[tag->pos], (tag->len - tag->pos)*8, fill, line, 
-	    tag->id == ST_DEFINESHAPE?1:(tag->id==ST_DEFINESHAPE2?2:3), shape);
+    shape->lines = swf_ParseShapeData(&tag->data[tag->pos], (tag->len - tag->pos)*8, fill, line, num, shape);
 
     l = shape->lines;
 }