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Diffstat (limited to 'lib/devices')
-rw-r--r--lib/devices/record.c114
1 files changed, 94 insertions, 20 deletions
diff --git a/lib/devices/record.c b/lib/devices/record.c
index abace9b8..d0d77151 100644
--- a/lib/devices/record.c
+++ b/lib/devices/record.c
@@ -30,6 +30,7 @@
#include <io.h>
#endif
#include <string.h>
+#include <assert.h>
#include "../gfxdevice.h"
#include "../gfxtools.h"
#include "../types.h"
@@ -38,8 +39,16 @@
#include "../os.h"
#include "record.h"
+typedef struct _state {
+ char*last_string[16];
+ gfxcolor_t last_color[16];
+ gfxmatrix_t last_matrix[16];
+} state_t;
+
typedef struct _internal {
gfxfontlist_t* fontlist;
+ state_t state;
+
writer_t w;
int cliplevel;
char use_tempfile;
@@ -68,9 +77,11 @@ typedef struct _internal_result {
#define OP_ENDPAGE 0x0c
#define OP_FINISH 0x0d
-#define OP_MOVETO 0x0e
-#define OP_LINETO 0x0f
-#define OP_SPLINETO 0x10
+#define FLAG_SAME_AS_LAST 0x10
+
+#define LINE_MOVETO 0x0e
+#define LINE_LINETO 0x0f
+#define LINE_SPLINETO 0x10
static int record_setparameter(struct _gfxdevice*dev, const char*key, const char*value)
{
@@ -86,15 +97,15 @@ static void dumpLine(writer_t*w, gfxline_t*line)
{
while(line) {
if(line->type == gfx_moveTo) {
- writer_writeU8(w, OP_MOVETO);
+ writer_writeU8(w, LINE_MOVETO);
writer_writeDouble(w, line->x);
writer_writeDouble(w, line->y);
} else if(line->type == gfx_lineTo) {
- writer_writeU8(w, OP_LINETO);
+ writer_writeU8(w, LINE_LINETO);
writer_writeDouble(w, line->x);
writer_writeDouble(w, line->y);
} else if(line->type == gfx_splineTo) {
- writer_writeU8(w, OP_SPLINETO);
+ writer_writeU8(w, LINE_SPLINETO);
writer_writeDouble(w, line->x);
writer_writeDouble(w, line->y);
writer_writeDouble(w, line->sx);
@@ -118,15 +129,15 @@ static gfxline_t* readLine(reader_t*r)
pos->next = line;
pos = line;
}
- if(op == OP_MOVETO) {
+ if(op == LINE_MOVETO) {
line->type = gfx_moveTo;
line->x = reader_readDouble(r);
line->y = reader_readDouble(r);
- } else if(op == OP_LINETO) {
+ } else if(op == LINE_LINETO) {
line->type = gfx_lineTo;
line->x = reader_readDouble(r);
line->y = reader_readDouble(r);
- } else if(op == OP_SPLINETO) {
+ } else if(op == LINE_SPLINETO) {
line->type = gfx_splineTo;
line->x = reader_readDouble(r);
line->y = reader_readDouble(r);
@@ -165,6 +176,12 @@ static gfxcolor_t readColor(reader_t*r)
col.a = reader_readU8(r);
return col;
}
+static void readXY(reader_t*r, gfxmatrix_t*m)
+{
+ m->tx = reader_readDouble(r);
+ m->ty = reader_readDouble(r);
+}
+
static gfxgradient_t* readGradient(reader_t*r)
{
gfxgradient_t*start = 0, *pos = 0;
@@ -213,6 +230,11 @@ static void dumpMatrix(writer_t*w, gfxmatrix_t*matrix)
writer_writeDouble(w, matrix->tx);
writer_writeDouble(w, matrix->ty);
}
+static void dumpXY(writer_t*w, gfxmatrix_t*matrix)
+{
+ writer_writeDouble(w, matrix->tx);
+ writer_writeDouble(w, matrix->ty);
+}
static void dumpGradient(writer_t*w, gfxgradient_t*gradient)
{
while(gradient) {
@@ -388,14 +410,26 @@ static void record_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr,
}
msg("<trace> record: %08x DRAWCHAR %d\n", glyphnr, dev);
- writer_writeU8(&i->w, OP_DRAWCHAR);
- if(font)
- writer_writeString(&i->w, font->id);
- else
- writer_writeString(&i->w, "*NULL*");
+ const char*font_id = font->id?font->id:"*NULL*";
+
+ gfxmatrix_t*l = &i->state.last_matrix[OP_DRAWCHAR];
+
+ char same_font = i->state.last_string[OP_DRAWCHAR] && !strcmp(i->state.last_string[OP_DRAWCHAR], font_id);
+ char same_matrix = (l->m00 == matrix->m00) && (l->m01 == matrix->m01) && (l->m10 == matrix->m10) && (l->m11 == matrix->m11);
+ char same_color = !memcmp(color, &i->state.last_color[OP_DRAWCHAR], sizeof(gfxcolor_t));
+ U8 flags = 0;
+ if(same_font && same_matrix && same_color)
+ flags |= FLAG_SAME_AS_LAST;
+
+ writer_writeU8(&i->w, OP_DRAWCHAR|flags);
writer_writeU32(&i->w, glyphnr);
- dumpColor(&i->w, color);
- dumpMatrix(&i->w, matrix);
+ if(!(flags&FLAG_SAME_AS_LAST)) {
+ writer_writeString(&i->w, font_id);
+ dumpColor(&i->w, color);
+ dumpMatrix(&i->w, matrix);
+ } else {
+ dumpXY(&i->w, matrix);
+ }
}
static void record_startpage(struct _gfxdevice*dev, int width, int height)
@@ -423,6 +457,39 @@ static void record_drawlink(struct _gfxdevice*dev, gfxline_t*line, const char*ac
writer_writeString(&i->w, action);
}
+static char* read_string(reader_t*r, state_t*state, U8 id, U8 flags)
+{
+ assert(id>=0 && id<16);
+ if(flags&FLAG_SAME_AS_LAST) {
+ assert(state->last_string[id]);
+ return state->last_string[id];
+ }
+ char*s = reader_readString(r);
+ state->last_string[id] = strdup(s);
+ return s;
+}
+static gfxcolor_t read_color(reader_t*r, state_t*s, U8 id, U8 flags)
+{
+ assert(id>=0 && id<16);
+ if(flags&FLAG_SAME_AS_LAST)
+ return s->last_color[id];
+ gfxcolor_t c = readColor(r);
+ s->last_color[id] = c;
+ return c;
+}
+static gfxmatrix_t read_matrix(reader_t*r, state_t*s, U8 id, U8 flags)
+{
+ assert(id>=0 && id<16);
+ if(flags&FLAG_SAME_AS_LAST) {
+ gfxmatrix_t m = s->last_matrix[id];
+ readXY(r, &m);
+ return m;
+ }
+ gfxmatrix_t m = readMatrix(r);
+ s->last_matrix[id] = m;
+ return m;
+}
+
static void replay(struct _gfxdevice*dev, gfxdevice_t*out, reader_t*r)
{
internal_t*i = 0;
@@ -430,12 +497,17 @@ static void replay(struct _gfxdevice*dev, gfxdevice_t*out, reader_t*r)
i = (internal_t*)dev->internal;
}
+ state_t state;
+ memset(&state, 0, sizeof(state));
+
gfxfontlist_t* fontlist = gfxfontlist_create();
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:
@@ -557,15 +629,17 @@ static void replay(struct _gfxdevice*dev, gfxdevice_t*out, reader_t*r)
break;
}
case OP_DRAWCHAR: {
- char* id = reader_readString(r);
+ U32 glyph = reader_readU32(r);
+ gfxmatrix_t m = {1,0,0, 0,1,0};
+ char* 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);
}
- U32 glyph = reader_readU32(r);
msg("<trace> replay: DRAWCHAR font=%s glyph=%d", id, glyph);
- gfxcolor_t color = readColor(r);
- gfxmatrix_t matrix = readMatrix(r);
out->drawchar(out, font, glyph, &color, &matrix);
free(id);
break;