static gfxcolor_t readColor(reader_t*r, state_t*state)
{
gfxcolor_t col;
col.r = reader_readU8(r);
col.g = reader_readU8(r);
col.b = reader_readU8(r);
col.a = reader_readU8(r);
return col;
}
static gfxline_t* readLine(reader_t*r, state_t*s)
{
gfxline_t*start = 0, *pos = 0;
while(1) {
unsigned char op = reader_readU8(r);
if(op == OP_END)
break;
gfxline_t*line = (gfxline_t*)rfx_calloc(sizeof(gfxline_t));
if(!start) {
start = pos = line;
} else {
pos->next = line;
pos = line;
}
if(op == LINE_MOVETO) {
line->type = gfx_moveTo;
line->x = reader_readDouble(r);
line->y = reader_readDouble(r);
} else if(op == LINE_LINETO) {
line->type = gfx_lineTo;
line->x = reader_readDouble(r);
line->y = reader_readDouble(r);
} else if(op == LINE_SPLINETO) {
line->type = gfx_splineTo;
line->x = reader_readDouble(r);
line->y = reader_readDouble(r);
line->sx = reader_readDouble(r);
line->sy = reader_readDouble(r);
}
}
return start;
}
unsigned int read_compressed_uint(reader_t*r)
{
unsigned int u = 0;
unsigned int b;
do {
b = reader_readU8(r);
u = u<<7|b&0x7f;
} while(b&0x80);
return u;
}
uint32_t read_compressed_uint(reader_t*r)
{
uint32_t u = 0;
uint32_t b;
do {
b = reader_readU8(r);
u = u<<7|b&0x7f;
} while(b&0x80);
return u;
}
static gfxcxform_t* readCXForm(reader_t*r, state_t*state)
{
U8 type = reader_readU8(r);
if(!type)
return 0;
gfxcxform_t* c = (gfxcxform_t*)rfx_calloc(sizeof(gfxcxform_t));
c->rr = reader_readFloat(r); c->rg = reader_readFloat(r); c->rb = reader_readFloat(r); c->ra = reader_readFloat(r);
c->gr = reader_readFloat(r); c->gg = reader_readFloat(r); c->gb = reader_readFloat(r); c->ga = reader_readFloat(r);
c->br = reader_readFloat(r); c->bg = reader_readFloat(r); c->bb = reader_readFloat(r); c->ba = reader_readFloat(r);
c->ar = reader_readFloat(r); c->ag = reader_readFloat(r); c->ab = reader_readFloat(r); c->aa = reader_readFloat(r);
return c;
}
char*reader_readString(reader_t*r)
{
writer_t g;
writer_init_growingmemwriter(&g, 16);
while(1) {
U8 b = reader_readU8(r);
writer_writeU8(&g, b);
if(!b)
break;
}
char*string = (char*)writer_growmemwrite_getmem(&g);
g.finish(&g);
return string;
}
static gfxgradient_t* readGradient(reader_t*r, state_t*state)
{
gfxgradient_t*start = 0, *pos = 0;
while(1) {
U8 op = reader_readU8(r);
if(!op)
break;
gfxgradient_t*g = (gfxgradient_t*)rfx_calloc(sizeof(gfxgradient_t));
if(!start) {
start = pos = g;
} else {
pos->next = g;
pos = g;
}
g->color = readColor(r, state);
g->pos = reader_readFloat(r);
}
return start;
}
static void replay(struct _gfxdevice*dev, gfxdevice_t*out, reader_t*r, gfxfontlist_t**fontlist)
{
internal_t*i = 0;
if(dev) {
i = (internal_t*)dev->internal;
}
gfxfontlist_t*_fontlist=0;
if(!fontlist) {
fontlist = &_fontlist;
}
state_t state;
memset(&state, 0, sizeof(state));
while(1) {
unsigned char op;
if(r->read(r, &op, 1)!=1)
break;
unsigned char flags = op&0xf0;
op&=0x0f;
switch(op) {
case OP_END:
goto finish;
case OP_SETPARAM: {
msg("<trace> replay: SETPARAM");
char*key;
char*value;
key = reader_readString(r);
value = reader_readString(r);
out->setparameter(out, key, value);
free(key);
free(value);
break;
}
case OP_STARTPAGE: {
msg("<trace> replay: STARTPAGE");
U16 width = reader_readU16(r);
U16 height = reader_readU16(r);
out->startpage(out, width, height);
break;
}
case OP_ENDPAGE: {
msg("<trace> replay: ENDPAGE");
out->endpage(out);
break;
}
case OP_FINISH: {
msg("<trace> replay: FINISH");
break;
}
case OP_STROKE: {
msg("<trace> replay: STROKE");
double width = reader_readDouble(r);
double miterlimit = reader_readDouble(r);
gfxcolor_t color = readColor(r, &state);
gfx_capType captype;
int v = reader_readU8(r);
switch (v) {
case 0: captype = gfx_capButt; break;
case 1: captype = gfx_capRound; break;
case 2: captype = gfx_capSquare; break;
}
gfx_joinType jointtype;
v = reader_readU8(r);
switch (v) {
case 0: jointtype = gfx_joinMiter; break;
case 1: jointtype = gfx_joinRound; break;
case 2: jointtype = gfx_joinBevel; break;
}
gfxline_t* line = readLine(r, &state);
out->stroke(out, line, width, &color, captype, jointtype,miterlimit);
gfxline_free(line);
break;
}
case OP_STARTCLIP: {
msg("<trace> replay: STARTCLIP");
gfxline_t* line = readLine(r, &state);
out->startclip(out, line);
gfxline_free(line);
break;
}
case OP_ENDCLIP: {
msg("<trace> replay: ENDCLIP");
out->endclip(out);
break;
}
case OP_FILL: {
msg("<trace> replay: FILL");
gfxcolor_t color = readColor(r, &state);
gfxline_t* line = readLine(r, &state);
out->fill(out, line, &color);
gfxline_free(line);
break;
}
case OP_FILLBITMAP: {
msg("<trace> replay: FILLBITMAP");
gfximage_t img = readImage(r, &state);
gfxmatrix_t matrix = readMatrix(r, &state);
gfxline_t* line = readLine(r, &state);
gfxcxform_t* cxform = readCXForm(r, &state);
out->fillbitmap(out, line, &img, &matrix, cxform);
gfxline_free(line);
if(cxform)
free(cxform);
free(img.data);img.data=0;
break;
}
case OP_FILLGRADIENT: {
msg("<trace> replay: FILLGRADIENT");
gfxgradienttype_t type;
int v = reader_readU8(r);
switch (v) {
case 0:
type = gfxgradient_radial; break;
case 1:
type = gfxgradient_linear; break;
}
gfxgradient_t*gradient = readGradient(r, &state);
gfxmatrix_t matrix = readMatrix(r, &state);
gfxline_t* line = readLine(r, &state);
out->fillgradient(out, line, gradient, type, &matrix);
break;
}
case OP_DRAWLINK: {
msg("<trace> replay: DRAWLINK");
gfxline_t* line = readLine(r, &state);
char* s = reader_readString(r);
out->drawlink(out,line,s);
gfxline_free(line);
free(s);
break;
}
case OP_ADDFONT: {
msg("<trace> replay: ADDFONT out=%08x(%s)", out, out->name);
gfxfont_t*font = readFont(r, &state);
if(!gfxfontlist_hasfont(*fontlist, font)) {
*fontlist = gfxfontlist_addfont(*fontlist, font);
out->addfont(out, font);
} else {
gfxfont_free(font);
}
break;
}
case OP_DRAWCHAR: {
U32 glyph = reader_readU32(r);
gfxmatrix_t m = {1,0,0, 0,1,0};
char* id = 0;
if(!(flags&FLAG_ZERO_FONT))
id = read_string(r, &state, op, flags);
gfxcolor_t color = read_color(r, &state, op, flags);
gfxmatrix_t matrix = read_matrix(r, &state, op, flags);
gfxfont_t*font = id?gfxfontlist_findfont(*fontlist, id):0;
if(i && !font) {
font = gfxfontlist_findfont(i->fontlist, id);
}
msg("<trace> replay: DRAWCHAR font=%s glyph=%d", id, glyph);
out->drawchar(out, font, glyph, &color, &matrix);
if(id)
free(id);
break;
}
}
}
finish:
state_clear(&state);
r->dealloc(r);
if(_fontlist)
gfxfontlist_free(_fontlist, 0);
}
