static void
fz_draw_clip_stroke_path(fz_device *devp, fz_path *path, fz_rect *rect, fz_stroke_state *stroke, fz_matrix ctm)
{
fz_draw_device *dev = devp->user;
float expansion = fz_matrix_expansion(ctm);
float flatness = 0.3f / expansion;
float linewidth = stroke->linewidth;
fz_bbox bbox;
fz_draw_state *state = &dev->stack[dev->top];
fz_colorspace *model;
fz_context *ctx = dev->ctx;
if (linewidth * expansion < 0.1f)
linewidth = 1 / expansion;
fz_reset_gel(dev->gel, state->scissor);
if (stroke->dash_len > 0)
fz_flatten_dash_path(dev->gel, path, stroke, ctm, flatness, linewidth);
else
fz_flatten_stroke_path(dev->gel, path, stroke, ctm, flatness, linewidth);
fz_sort_gel(dev->gel);
state = push_stack(dev);
model = state->dest->colorspace;
bbox = fz_bound_gel(dev->gel);
bbox = fz_intersect_bbox(bbox, state->scissor);
if (rect)
bbox = fz_intersect_bbox(bbox, fz_bbox_covering_rect(*rect));
/* SumatraPDF: try to match rendering with and without display list */
else
bbox = fz_intersect_bbox(bbox, fz_bbox_covering_rect(fz_bound_path(ctx, path, stroke, ctm)));
fz_try(ctx)
{
state[1].mask = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].mask);
state[1].dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(dev->ctx, state[1].dest);
if (state->shape)
{
state[1].shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].shape);
}
if (!fz_is_empty_rect(bbox))
fz_scan_convert(dev->gel, 0, bbox, state[1].mask, NULL);
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].scissor = bbox;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (stroke) begin\n");
#endif
}
fz_catch(ctx)
{
emergency_pop_stack(dev, state);
}
}
static void
fz_draw_begin_tile(fz_device *devp, fz_rect area, fz_rect view, float xstep, float ystep, fz_matrix ctm)
{
fz_draw_device *dev = devp->user;
fz_pixmap *dest = NULL;
fz_pixmap *shape;
fz_bbox bbox;
fz_context *ctx = dev->ctx;
fz_draw_state *state = &dev->stack[dev->top];
fz_colorspace *model = state->dest->colorspace;
/* area, view, xstep, ystep are in pattern space */
/* ctm maps from pattern space to device space */
if (state->blendmode & FZ_BLEND_KNOCKOUT)
fz_knockout_begin(dev);
state = push_stack(dev);
bbox = fz_bbox_covering_rect(fz_transform_rect(ctm, view));
/* We should never have a bbox that entirely covers our destination.
* If we do, then the check for only 1 tile being visible above has
* failed. Actually, this *can* fail due to the round_rect, at extreme
* resolutions, so disable this assert.
* assert(bbox.x0 > state->dest->x || bbox.x1 < state->dest->x + state->dest->w ||
* bbox.y0 > state->dest->y || bbox.y1 < state->dest->y + state->dest->h);
*/
dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(ctx, dest);
shape = state[0].shape;
if (shape)
{
fz_var(shape);
fz_try(ctx)
{
shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(ctx, shape);
}
fz_catch(ctx)
{
fz_drop_pixmap(ctx, dest);
fz_rethrow(ctx);
}
}
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].xstep = xstep;
state[1].ystep = ystep;
state[1].area = area;
state[1].ctm = ctm;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Tile begin\n");
#endif
state[1].scissor = bbox;
state[1].dest = dest;
state[1].shape = shape;
}
char *
fz_copy_selection(fz_context *ctx, fz_text_page *page, fz_bbox rect)
{
fz_buffer *buffer;
fz_bbox hitbox;
fz_text_block *block;
fz_text_line *line;
fz_text_span *span;
int c, i, seen = 0;
char *s;
int x0 = rect.x0;
int x1 = rect.x1;
int y0 = rect.y0;
int y1 = rect.y1;
buffer = fz_new_buffer(ctx, 1024);
for (block = page->blocks; block < page->blocks + page->len; block++)
{
for (line = block->lines; line < block->lines + block->len; line++)
{
for (span = line->spans; span < line->spans + line->len; span++)
{
if (seen)
{
fz_write_buffer_byte(ctx, buffer, '\n');
}
seen = 0;
for (i = 0; i < span->len; i++)
{
hitbox = fz_bbox_covering_rect(span->text[i].bbox);
c = span->text[i].c;
if (c < 32)
c = '?';
if (hitbox.x1 >= x0 && hitbox.x0 <= x1 && hitbox.y1 >= y0 && hitbox.y0 <= y1)
{
fz_write_buffer_rune(ctx, buffer, c);
seen = 1;
}
}
seen = (seen && span + 1 == line->spans + line->len);
}
}
}
fz_write_buffer_byte(ctx, buffer, 0);
s = (char*)buffer->data;
fz_free(ctx, buffer);
return s;
}
static void
fz_bbox_add_rect(fz_device *dev, fz_rect rect, int clip)
{
fz_bbox_data *data = dev->user;
if (0 < data->top && data->top <= STACK_SIZE)
rect = fz_intersect_rect(rect, data->stack[data->top-1]);
if (!clip && data->top <= STACK_SIZE && !data->ignore)
*data->result = fz_union_bbox(*data->result, fz_bbox_covering_rect(rect));
if (clip && ++data->top <= STACK_SIZE)
data->stack[data->top-1] = rect;
}
int
fz_highlight_selection(fz_context *ctx, fz_text_page *page, fz_bbox rect, fz_bbox *hit_bbox, int hit_max)
{
fz_bbox linebox, charbox;
fz_text_block *block;
fz_text_line *line;
fz_text_span *span;
int i, hit_count;
int x0 = rect.x0;
int x1 = rect.x1;
int y0 = rect.y0;
int y1 = rect.y1;
hit_count = 0;
for (block = page->blocks; block < page->blocks + page->len; block++)
{
for (line = block->lines; line < block->lines + block->len; line++)
{
linebox = fz_empty_bbox;
for (span = line->spans; span < line->spans + line->len; span++)
{
for (i = 0; i < span->len; i++)
{
charbox = fz_bbox_covering_rect(span->text[i].bbox);
if (charbox.x1 >= x0 && charbox.x0 <= x1 && charbox.y1 >= y0 && charbox.y0 <= y1)
{
if (charbox.y0 != linebox.y0 || fz_absi(charbox.x0 - linebox.x1) > 5)
{
if (!fz_is_empty_bbox(linebox) && hit_count < hit_max)
hit_bbox[hit_count++] = linebox;
linebox = charbox;
}
else
{
linebox = fz_union_bbox(linebox, charbox);
}
}
}
}
if (!fz_is_empty_bbox(linebox) && hit_count < hit_max)
hit_bbox[hit_count++] = linebox;
}
}
return hit_count;
}
static void
fz_draw_begin_mask(fz_device *devp, fz_rect rect, int luminosity, fz_colorspace *colorspace, float *colorfv)
{
fz_draw_device *dev = devp->user;
fz_pixmap *dest;
fz_bbox bbox;
fz_draw_state *state = push_stack(dev);
fz_pixmap *shape = state->shape;
bbox = fz_bbox_covering_rect(rect);
bbox = fz_intersect_bbox(bbox, state->scissor);
dest = fz_new_pixmap_with_bbox(dev->ctx, fz_device_gray, bbox);
if (state->shape)
{
/* FIXME: If we ever want to support AIS true, then we
* probably want to create a shape pixmap here, using:
* shape = fz_new_pixmap_with_bbox(NULL, bbox);
* then, in the end_mask code, we create the mask from this
* rather than dest.
*/
shape = NULL;
}
if (luminosity)
{
float bc;
if (!colorspace)
colorspace = fz_device_gray;
fz_convert_color(dev->ctx, fz_device_gray, &bc, colorspace, colorfv);
fz_clear_pixmap_with_value(dev->ctx, dest, bc * 255);
if (shape)
fz_clear_pixmap_with_value(dev->ctx, shape, 255);
}
else
{
fz_clear_pixmap(dev->ctx, dest);
if (shape)
fz_clear_pixmap(dev->ctx, shape);
}
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Mask begin\n");
#endif
state[1].scissor = bbox;
state[1].dest = dest;
state[1].shape = shape;
state[1].luminosity = luminosity;
}
static void
fz_draw_clip_path(fz_device *devp, fz_path *path, fz_rect *rect, int even_odd, fz_matrix ctm)
{
fz_draw_device *dev = devp->user;
float expansion = fz_matrix_expansion(ctm);
float flatness = 0.3f / expansion;
fz_bbox bbox;
fz_draw_state *state = push_stack(dev);
fz_colorspace *model = state->dest->colorspace;
fz_reset_gel(dev->gel, state->scissor);
fz_flatten_fill_path(dev->gel, path, ctm, flatness);
fz_sort_gel(dev->gel);
bbox = fz_bound_gel(dev->gel);
bbox = fz_intersect_bbox(bbox, state->scissor);
if (rect)
bbox = fz_intersect_bbox(bbox, fz_bbox_covering_rect(*rect));
if (fz_is_empty_rect(bbox) || fz_is_rect_gel(dev->gel))
{
state[1].scissor = bbox;
state[1].mask = NULL;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (rectangular) begin\n");
#endif
return;
}
state[1].mask = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].mask);
state[1].dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(dev->ctx, state[1].dest);
if (state[1].shape)
{
state[1].shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].shape);
}
fz_scan_convert(dev->gel, even_odd, bbox, state[1].mask, NULL);
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].scissor = bbox;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (non-rectangular) begin\n");
#endif
}
static void
fz_draw_clip_text(fz_device *devp, fz_text *text, fz_matrix ctm, int accumulate)
{
fz_draw_device *dev = devp->user;
fz_context *ctx = dev->ctx;
fz_bbox bbox;
fz_pixmap *mask, *dest, *shape;
fz_matrix tm, trm, trunc_trm;
fz_pixmap *glyph;
int i, x, y, gid;
fz_draw_state *state;
fz_colorspace *model;
/* If accumulate == 0 then this text object is guaranteed complete */
/* If accumulate == 1 then this text object is the first (or only) in a sequence */
/* If accumulate == 2 then this text object is a continuation */
state = push_stack(dev);
model = state->dest->colorspace;
if (accumulate == 0)
{
/* make the mask the exact size needed */
bbox = fz_bbox_covering_rect(fz_bound_text(dev->ctx, text, ctm));
bbox = fz_intersect_bbox(bbox, state->scissor);
}
else
{
/* be conservative about the size of the mask needed */
bbox = state->scissor;
}
if (accumulate == 0 || accumulate == 1)
{
mask = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, mask);
dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(dev->ctx, dest);
if (state->shape)
{
shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, shape);
}
else
shape = NULL;
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].scissor = bbox;
state[1].dest = dest;
state[1].mask = mask;
state[1].shape = shape;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (text) begin\n");
#endif
}
else
{
mask = state->mask;
dev->top--;
}
if (!fz_is_empty_rect(bbox) && mask)
{
tm = text->trm;
for (i = 0; i < text->len; i++)
{
gid = text->items[i].gid;
if (gid < 0)
continue;
tm.e = text->items[i].x;
tm.f = text->items[i].y;
trm = fz_concat(tm, ctm);
x = floorf(trm.e);
y = floorf(trm.f);
trunc_trm = trm;
trunc_trm.e = QUANT(trm.e - floorf(trm.e), HSUBPIX);
trunc_trm.f = QUANT(trm.f - floorf(trm.f), VSUBPIX);
glyph = fz_render_glyph(dev->ctx, text->font, gid, trunc_trm, model, bbox);
if (glyph)
{
draw_glyph(NULL, mask, glyph, x, y, bbox);
if (state[1].shape)
draw_glyph(NULL, state[1].shape, glyph, x, y, bbox);
fz_drop_pixmap(dev->ctx, glyph);
}
else
{
fz_path *path = fz_outline_glyph(dev->ctx, text->font, gid, trm);
if (path)
{
fz_pixmap *old_dest;
float white = 1;
state = &dev->stack[dev->top];
old_dest = state[0].dest;
state[0].dest = state[0].mask;
state[0].mask = NULL;
fz_try(ctx)
{
fz_draw_fill_path(devp, path, 0, fz_identity, fz_device_gray, &white, 1);
}
fz_always(ctx)
{
state[0].mask = state[0].dest;
state[0].dest = old_dest;
fz_free_path(dev->ctx, path);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
}
else
{
fz_warn(dev->ctx, "cannot render glyph for clipping");
}
}
}
static void
fz_draw_fill_shade(fz_device *devp, fz_shade *shade, fz_matrix ctm, float alpha)
{
fz_draw_device *dev = devp->user;
fz_rect bounds;
fz_bbox bbox, scissor;
fz_pixmap *dest, *shape;
float colorfv[FZ_MAX_COLORS];
unsigned char colorbv[FZ_MAX_COLORS + 1];
fz_draw_state *state = &dev->stack[dev->top];
fz_colorspace *model = state->dest->colorspace;
bounds = fz_bound_shade(dev->ctx, shade, ctm);
scissor = state->scissor;
bbox = fz_intersect_bbox(fz_bbox_covering_rect(bounds), scissor);
if (fz_is_empty_rect(bbox))
return;
if (!model)
{
fz_warn(dev->ctx, "cannot render shading directly to an alpha mask");
return;
}
if (state->blendmode & FZ_BLEND_KNOCKOUT)
state = fz_knockout_begin(dev);
dest = state->dest;
shape = state->shape;
if (alpha < 1)
{
dest = fz_new_pixmap_with_bbox(dev->ctx, state->dest->colorspace, bbox);
fz_clear_pixmap(dev->ctx, dest);
if (shape)
{
shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, shape);
}
}
if (shade->use_background)
{
unsigned char *s;
int x, y, n, i;
fz_convert_color(dev->ctx, model, colorfv, shade->colorspace, shade->background);
for (i = 0; i < model->n; i++)
colorbv[i] = colorfv[i] * 255;
colorbv[i] = 255;
n = dest->n;
for (y = scissor.y0; y < scissor.y1; y++)
{
s = dest->samples + (unsigned int)(((scissor.x0 - dest->x) + (y - dest->y) * dest->w) * dest->n);
for (x = scissor.x0; x < scissor.x1; x++)
{
for (i = 0; i < n; i++)
*s++ = colorbv[i];
}
}
if (shape)
{
for (y = scissor.y0; y < scissor.y1; y++)
{
s = shape->samples + (unsigned int)((scissor.x0 - shape->x) + (y - shape->y) * shape->w);
for (x = scissor.x0; x < scissor.x1; x++)
{
*s++ = 255;
}
}
}
}
fz_paint_shade(dev->ctx, shade, ctm, dest, bbox);
if (shape)
fz_clear_pixmap_rect_with_value(dev->ctx, shape, 255, bbox);
if (alpha < 1)
{
fz_paint_pixmap(state->dest, dest, alpha * 255);
fz_drop_pixmap(dev->ctx, dest);
if (shape)
{
fz_paint_pixmap(state->shape, shape, alpha * 255);
fz_drop_pixmap(dev->ctx, shape);
}
}
if (state->blendmode & FZ_BLEND_KNOCKOUT)
fz_knockout_end(dev);
}
static void
fz_draw_clip_stroke_text(fz_device *devp, fz_text *text, fz_stroke_state *stroke, fz_matrix ctm)
{
fz_draw_device *dev = devp->user;
fz_bbox bbox;
fz_pixmap *mask, *dest, *shape;
fz_matrix tm, trm;
fz_pixmap *glyph;
int i, x, y, gid;
fz_draw_state *state = push_stack(dev);
fz_colorspace *model = state->dest->colorspace;
/* make the mask the exact size needed */
bbox = fz_bbox_covering_rect(fz_bound_text(dev->ctx, text, ctm));
bbox = fz_intersect_bbox(bbox, state->scissor);
mask = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, mask);
dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(dev->ctx, dest);
if (state->shape)
{
shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, shape);
}
else
shape = state->shape;
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].scissor = bbox;
state[1].dest = dest;
state[1].shape = shape;
state[1].mask = mask;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (stroke text) begin\n");
#endif
if (!fz_is_empty_rect(bbox))
{
tm = text->trm;
for (i = 0; i < text->len; i++)
{
gid = text->items[i].gid;
if (gid < 0)
continue;
tm.e = text->items[i].x;
tm.f = text->items[i].y;
trm = fz_concat(tm, ctm);
x = floorf(trm.e);
y = floorf(trm.f);
trm.e = QUANT(trm.e - floorf(trm.e), HSUBPIX);
trm.f = QUANT(trm.f - floorf(trm.f), VSUBPIX);
glyph = fz_render_stroked_glyph(dev->ctx, text->font, gid, trm, ctm, stroke, bbox);
if (glyph)
{
draw_glyph(NULL, mask, glyph, x, y, bbox);
if (shape)
draw_glyph(NULL, shape, glyph, x, y, bbox);
fz_drop_pixmap(dev->ctx, glyph);
}
else
{
fz_warn(dev->ctx, "cannot draw glyph for clipping (unimplemented case)");
// TODO: outline/non-cached case
}
}
}
}
static void
fz_draw_begin_group(fz_device *devp, fz_rect rect, int isolated, int knockout, int blendmode, float alpha)
{
fz_draw_device *dev = devp->user;
fz_bbox bbox;
fz_pixmap *dest, *shape;
fz_context *ctx = dev->ctx;
fz_draw_state *state = &dev->stack[dev->top];
fz_colorspace *model = state->dest->colorspace;
if (state->blendmode & FZ_BLEND_KNOCKOUT)
fz_knockout_begin(dev);
state = push_stack(dev);
bbox = fz_bbox_covering_rect(rect);
bbox = fz_intersect_bbox(bbox, state->scissor);
dest = fz_new_pixmap_with_bbox(ctx, model, bbox);
#ifndef ATTEMPT_KNOCKOUT_AND_ISOLATED
knockout = 0;
isolated = 1;
#endif
if (isolated)
{
fz_clear_pixmap(dev->ctx, dest);
}
else
{
fz_copy_pixmap_rect(dev->ctx, dest, state[0].dest, bbox);
}
if (blendmode == 0 && alpha == 1.0 && isolated)
{
/* We can render direct to any existing shape plane. If there
* isn't one, we don't need to make one. */
shape = state[0].shape;
}
else
{
fz_try(ctx)
{
shape = fz_new_pixmap_with_bbox(ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, shape);
}
fz_catch(ctx)
{
fz_drop_pixmap(ctx, dest);
fz_rethrow(ctx);
}
}
state[1].alpha = alpha;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Group begin\n");
#endif
state[1].scissor = bbox;
state[1].dest = dest;
state[1].shape = shape;
state[1].blendmode = blendmode | (isolated ? FZ_BLEND_ISOLATED : 0) | (knockout ? FZ_BLEND_KNOCKOUT : 0);
}
static void
fz_draw_clip_image_mask(fz_device *devp, fz_image *image, fz_rect *rect, fz_matrix ctm)
{
fz_draw_device *dev = devp->user;
fz_context *ctx = dev->ctx;
fz_bbox bbox;
fz_pixmap *mask = NULL;
fz_pixmap *dest = NULL;
fz_pixmap *shape = NULL;
fz_pixmap *scaled = NULL;
fz_pixmap *pixmap;
fz_pixmap *orig_pixmap;
int dx, dy;
fz_draw_state *state = push_stack(dev);
fz_colorspace *model = state->dest->colorspace;
fz_bbox clip = fz_pixmap_bbox(ctx, state->dest);
clip = fz_intersect_bbox(clip, state->scissor);
fz_var(mask);
fz_var(dest);
fz_var(shape);
if (image->w == 0 || image->h == 0)
{
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (image mask) (empty) begin\n");
#endif
state[1].scissor = fz_empty_bbox;
state[1].mask = NULL;
return;
}
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (image mask) begin\n");
#endif
bbox = fz_bbox_covering_rect(fz_transform_rect(ctm, fz_unit_rect));
bbox = fz_intersect_bbox(bbox, state->scissor);
if (rect)
bbox = fz_intersect_bbox(bbox, fz_bbox_covering_rect(*rect));
dx = sqrtf(ctm.a * ctm.a + ctm.b * ctm.b);
dy = sqrtf(ctm.c * ctm.c + ctm.d * ctm.d);
pixmap = fz_image_to_pixmap(ctx, image, dx, dy);
orig_pixmap = pixmap;
fz_try(ctx)
{
mask = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, mask);
dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(dev->ctx, dest);
if (state->shape)
{
shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, shape);
}
if (dx < pixmap->w && dy < pixmap->h)
{
int gridfit = !(dev->flags & FZ_DRAWDEV_FLAGS_TYPE3);
scaled = fz_transform_pixmap(dev->ctx, pixmap, &ctm, state->dest->x, state->dest->y, dx, dy, gridfit, &clip);
if (!scaled)
{
if (dx < 1)
dx = 1;
if (dy < 1)
dy = 1;
scaled = fz_scale_pixmap(dev->ctx, pixmap, pixmap->x, pixmap->y, dx, dy, NULL);
}
if (scaled)
pixmap = scaled;
}
fz_paint_image(mask, bbox, state->shape, pixmap, ctm, 255);
}
fz_always(ctx)
{
fz_drop_pixmap(ctx, scaled);
fz_drop_pixmap(ctx, orig_pixmap);
}
fz_catch(ctx)
{
fz_drop_pixmap(ctx, shape);
fz_drop_pixmap(ctx, dest);
fz_drop_pixmap(ctx, mask);
fz_rethrow(ctx);
}
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].scissor = bbox;
state[1].dest = dest;
state[1].shape = shape;
state[1].mask = mask;
}
void
fz_run_display_list(fz_display_list *list, fz_device *dev, fz_matrix top_ctm, fz_bbox scissor, fz_cookie *cookie)
{
fz_display_node *node;
fz_matrix ctm;
fz_rect rect;
fz_bbox bbox;
int clipped = 0;
int tiled = 0;
int empty;
int progress = 0;
//LOGE("Count %d", count);
if (cookie)
{
cookie->progress_max = list->last - list->first;
cookie->progress = 0;
}
for (node = list->first; node; node = node->next)
{
/* Check the cookie for aborting */
if (cookie)
{
if (cookie->abort)
break;
cookie->progress = progress++;
}
/* cull objects to draw using a quick visibility test */
if (tiled || node->cmd == FZ_CMD_BEGIN_TILE || node->cmd == FZ_CMD_END_TILE)
{
empty = 0;
}
else
{
bbox = fz_bbox_covering_rect(fz_transform_rect(top_ctm, node->rect));
bbox = fz_intersect_bbox(bbox, scissor);
empty = fz_is_empty_bbox(bbox);
}
if (clipped || empty)
{
switch (node->cmd)
{
case FZ_CMD_CLIP_PATH:
case FZ_CMD_CLIP_STROKE_PATH:
case FZ_CMD_CLIP_STROKE_TEXT:
case FZ_CMD_CLIP_IMAGE_MASK:
case FZ_CMD_BEGIN_MASK:
case FZ_CMD_BEGIN_GROUP:
clipped++;
continue;
case FZ_CMD_CLIP_TEXT:
/* Accumulated text has no extra pops */
if (node->flag != 2)
clipped++;
continue;
case FZ_CMD_POP_CLIP:
case FZ_CMD_END_GROUP:
if (!clipped)
goto visible;
clipped--;
continue;
case FZ_CMD_END_MASK:
if (!clipped)
goto visible;
continue;
default:
continue;
}
}
visible:
ctm = fz_concat(node->ctm, top_ctm);
switch (node->cmd)
{
case FZ_CMD_FILL_PATH:
fz_fill_path(dev, node->item.path, node->flag, ctm,
node->colorspace, node->color, node->alpha);
break;
case FZ_CMD_STROKE_PATH:
fz_stroke_path(dev, node->item.path, node->stroke, ctm,
node->colorspace, node->color, node->alpha);
break;
case FZ_CMD_CLIP_PATH:
{
fz_rect trect = fz_transform_rect(top_ctm, node->rect);
fz_clip_path(dev, node->item.path, &trect, node->flag, ctm);
break;
}
case FZ_CMD_CLIP_STROKE_PATH:
{
fz_rect trect = fz_transform_rect(top_ctm, node->rect);
fz_clip_stroke_path(dev, node->item.path, &trect, node->stroke, ctm);
break;
}
case FZ_CMD_FILL_TEXT:
fz_fill_text(dev, node->item.text, ctm,
node->colorspace, node->color, node->alpha);
break;
case FZ_CMD_STROKE_TEXT:
fz_stroke_text(dev, node->item.text, node->stroke, ctm,
node->colorspace, node->color, node->alpha);
break;
case FZ_CMD_CLIP_TEXT:
fz_clip_text(dev, node->item.text, ctm, node->flag);
break;
case FZ_CMD_CLIP_STROKE_TEXT:
fz_clip_stroke_text(dev, node->item.text, node->stroke, ctm);
break;
case FZ_CMD_IGNORE_TEXT:
fz_ignore_text(dev, node->item.text, ctm);
break;
case FZ_CMD_FILL_SHADE:
fz_fill_shade(dev, node->item.shade, ctm, node->alpha);
break;
case FZ_CMD_FILL_IMAGE:
fz_fill_image(dev, node->item.image, ctm, node->alpha);
break;
case FZ_CMD_FILL_IMAGE_MASK:
fz_fill_image_mask(dev, node->item.image, ctm,
node->colorspace, node->color, node->alpha);
break;
case FZ_CMD_CLIP_IMAGE_MASK:
{
fz_rect trect = fz_transform_rect(top_ctm, node->rect);
fz_clip_image_mask(dev, node->item.image, &trect, ctm);
break;
}
case FZ_CMD_POP_CLIP:
fz_pop_clip(dev);
break;
case FZ_CMD_BEGIN_MASK:
rect = fz_transform_rect(top_ctm, node->rect);
fz_begin_mask(dev, rect, node->flag, node->colorspace, node->color);
break;
case FZ_CMD_END_MASK:
fz_end_mask(dev);
break;
case FZ_CMD_BEGIN_GROUP:
rect = fz_transform_rect(top_ctm, node->rect);
fz_begin_group(dev, rect,
(node->flag & ISOLATED) != 0, (node->flag & KNOCKOUT) != 0,
node->item.blendmode, node->alpha);
break;
case FZ_CMD_END_GROUP:
fz_end_group(dev);
break;
case FZ_CMD_BEGIN_TILE:
tiled++;
rect.x0 = node->color[2];
rect.y0 = node->color[3];
rect.x1 = node->color[4];
rect.y1 = node->color[5];
fz_begin_tile(dev, node->rect, rect,
node->color[0], node->color[1], ctm);
break;
case FZ_CMD_END_TILE:
tiled--;
fz_end_tile(dev);
break;
}
}
//free(node_array);
}
