static void
push_clip_stack_accumulate(fz_device *dev, const fz_rect *rect, int accumulate)
{
if (accumulate <= 1)
{
dev->scissor_accumulator = *rect;
if (dev->container_len == dev->container_cap)
{
int newmax = dev->container_cap * 2;
if (newmax == 0)
newmax = 4;
dev->container = fz_resize_array(dev->ctx, dev->container, newmax, sizeof(*dev->container));
dev->container_cap = newmax;
}
if (dev->container_len > 0)
dev->container[dev->container_len].scissor = dev->container[dev->container_len-1].scissor;
else
dev->container[dev->container_len].scissor = fz_infinite_rect;
fz_intersect_rect(&dev->container[dev->container_len].scissor, rect);
dev->container[dev->container_len].flags = fz_device_container_stack_is_clip_text;
dev->container[dev->container_len].user = 0;
dev->container_len++;
}
else
{
if (dev->container_len <= 0)
return;
fz_union_rect(&dev->scissor_accumulator, rect);
fz_intersect_rect(&dev->container[dev->container_len-1].scissor, &dev->scissor_accumulator);
}
}
static void
fz_list_clip_image_mask(fz_device *dev, fz_image *image, fz_rect *rect, fz_matrix ctm)
{
fz_display_node *node;
node = fz_new_display_node(dev->ctx, FZ_CMD_CLIP_IMAGE_MASK, ctm, NULL, NULL, 0);
node->rect = fz_transform_rect(ctm, fz_unit_rect);
if (rect)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.image = fz_keep_image(dev->ctx, image);
fz_append_display_node(dev->user, node);
}
static void
fz_list_clip_image_mask(void *user, fz_pixmap *image, fz_rect *rect, fz_matrix ctm)
{
fz_display_node *node;
node = fz_new_display_node(FZ_CMD_CLIP_IMAGE_MASK, ctm, NULL, NULL, 0);
node->rect = fz_transform_rect(ctm, fz_unit_rect);
if (rect != NULL)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.image = fz_keep_pixmap(image);
fz_append_display_node(user, node);
}
static void
fz_list_clip_path(void *user, fz_path *path, fz_rect *rect, int even_odd, fz_matrix ctm)
{
fz_display_node *node;
node = fz_new_display_node(FZ_CMD_CLIP_PATH, ctm, NULL, NULL, 0);
node->rect = fz_bound_path(path, NULL, ctm);
if (rect != NULL)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.path = fz_clone_path(path);
node->flag = even_odd;
fz_append_display_node(user, node);
}
static void
fz_list_clip_stroke_path(void *user, fz_path *path, fz_rect *rect, fz_stroke_state *stroke, fz_matrix ctm)
{
fz_display_node *node;
node = fz_new_display_node(FZ_CMD_CLIP_STROKE_PATH, ctm, NULL, NULL, 0);
node->rect = fz_bound_path(path, stroke, ctm);
if (rect != NULL)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.path = fz_clone_path(path);
node->stroke = fz_clone_stroke_state(stroke);
fz_append_display_node(user, node);
}
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;
}
static void
fz_bbox_add_rect(fz_device *dev, const fz_rect *rect, int clip)
{
fz_bbox_data *data = dev->user;
fz_rect r = *rect;
if (0 < data->top && data->top <= STACK_SIZE)
fz_intersect_rect(&r, &data->stack[data->top-1]);
if (!clip && data->top <= STACK_SIZE && !data->ignore)
fz_union_rect(data->result, &r);
if (clip && ++data->top <= STACK_SIZE)
data->stack[data->top-1] = r;
}
fz_rect *
fz_bound_shade(fz_context *ctx, fz_shade *shade, const fz_matrix *ctm, fz_rect *s)
{
fz_matrix local_ctm;
fz_rect rect;
fz_concat(&local_ctm, &shade->matrix, ctm);
*s = shade->bbox;
if (shade->type != FZ_LINEAR && shade->type != FZ_RADIAL)
{
fz_bound_mesh(ctx, shade, &rect);
fz_intersect_rect(s, &rect);
}
return fz_transform_rect(s, &local_ctm);
}
static float
calc_bbox_overlap(const fz_rect *bbox1, const fz_rect *bbox2)
{
float area1, area2, area3;
fz_rect intersect = *bbox1;
fz_intersect_rect(&intersect, bbox2);
if (fz_is_empty_rect(&intersect))
return 0;
area1 = (bbox1->x1 - bbox1->x0) * (bbox1->y1 - bbox1->y0);
area2 = (bbox2->x1 - bbox2->x0) * (bbox2->y1 - bbox2->y0);
area3 = (intersect.x1 - intersect.x0) * (intersect.y1 - intersect.y0);
return area3 / fz_max(area1, area2);
}
static void
svg_dev_fill_shade(fz_context *ctx, fz_device *dev, fz_shade *shade, const fz_matrix *ctm, float alpha)
{
svg_device *sdev = (svg_device*)dev;
fz_output *out = sdev->out;
fz_rect rect;
fz_irect bbox;
fz_pixmap *pix;
fz_buffer *buf = NULL;
fz_var(buf);
if (dev->container_len == 0)
return;
fz_round_rect(&bbox, fz_intersect_rect(fz_bound_shade(ctx, shade, ctm, &rect), &dev->container[dev->container_len-1].scissor));
if (fz_is_empty_irect(&bbox))
return;
pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb(ctx), &bbox);
fz_clear_pixmap(ctx, pix);
fz_try(ctx)
{
fz_paint_shade(ctx, shade, ctm, pix, &bbox);
buf = fz_new_buffer_from_pixmap_as_png(ctx, pix);
if (alpha != 1.0f)
fz_printf(ctx, out, "<g opacity=\"%g\">", alpha);
fz_printf(ctx, out, "<image x=\"%dpx\" y=\"%dpx\" width=\"%dpx\" height=\"%dpx\" xlink:href=\"data:image/png;base64,", pix->x, pix->y, pix->w, pix->h);
send_data_base64(ctx, out, buf);
fz_printf(ctx, out, "\"/>\n");
if (alpha != 1.0f)
fz_printf(ctx, out, "</g>");
}
fz_always(ctx)
{
fz_drop_buffer(ctx, buf);
fz_drop_pixmap(ctx, pix);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
}
static void
fz_bbox_add_rect(fz_context *ctx, fz_device *dev, const fz_rect *rect, int clip)
{
fz_bbox_device *bdev = (fz_bbox_device*)dev;
fz_rect r = *rect;
if (0 < bdev->top && bdev->top <= STACK_SIZE)
{
fz_intersect_rect(&r, &bdev->stack[bdev->top-1]);
}
if (!clip && bdev->top <= STACK_SIZE && !bdev->ignore)
{
fz_union_rect(bdev->result, &r);
}
if (clip && ++bdev->top <= STACK_SIZE)
{
bdev->stack[bdev->top-1] = r;
}
}
static void
fz_list_clip_stroke_path(fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_CLIP_STROKE_PATH, ctm, NULL, NULL, 0);
fz_try(ctx)
{
fz_bound_path(dev->ctx, path, stroke, ctm, &node->rect);
if (rect)
fz_intersect_rect(&node->rect, rect);
node->item.path = fz_clone_path(dev->ctx, path);
node->stroke = fz_keep_stroke_state(dev->ctx, stroke);
}
fz_catch(ctx)
{
fz_free_display_node(ctx, node);
fz_rethrow(ctx);
}
fz_append_display_node(dev->user, node);
}
static void
fz_list_clip_path(fz_device *dev, fz_path *path, fz_rect *rect, int even_odd, fz_matrix ctm)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_CLIP_PATH, ctm, NULL, NULL, 0);
fz_try(ctx)
{
node->rect = fz_bound_path(dev->ctx, path, NULL, ctm);
if (rect)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.path = fz_clone_path(dev->ctx, path);
node->flag = even_odd;
}
fz_catch(ctx)
{
fz_free_display_node(ctx, node);
fz_rethrow(ctx);
}
fz_append_display_node(dev->user, node);
}
fz_rect *
fz_bound_shade(fz_context *ctx, fz_shade *shade, const fz_matrix *ctm, fz_rect *s)
{
fz_matrix local_ctm;
struct bound_mesh_data bmd;
fz_concat(&local_ctm, &shade->matrix, ctm);
*s = shade->bbox;
fz_transform_rect(s, &local_ctm);
if (shade->type == FZ_LINEAR)
return s;
if (shade->type == FZ_RADIAL)
return s;
bmd.rect = fz_empty_rect;
bmd.first = 1;
fz_process_mesh(ctx, shade, &local_ctm, &bound_tri, &bmd);
fz_intersect_rect(s, &bmd.rect);
return s;
}
static void
push_clip_stack(fz_device *dev, const fz_rect *rect, int flags)
{
if (dev->container_len == dev->container_cap)
{
int newmax = dev->container_cap * 2;
if (newmax == 0)
newmax = 4;
dev->container = fz_resize_array(dev->ctx, dev->container, newmax, sizeof(*dev->container));
dev->container_cap = newmax;
}
if (dev->container_len == 0)
dev->container[0].scissor = *rect;
else
{
dev->container[dev->container_len].scissor = dev->container[dev->container_len-1].scissor;
fz_intersect_rect(&dev->container[dev->container_len].scissor, rect);
}
dev->container[dev->container_len].flags = flags;
dev->container[dev->container_len].user = 0;
dev->container_len++;
}
pdf_page *
pdf_load_page_by_obj(pdf_document *doc, int number, pdf_obj *pageref)
{
fz_context *ctx = doc->ctx;
pdf_page *page;
pdf_annot *annot;
pdf_obj *pageobj, *obj;
fz_rect mediabox, cropbox, realbox;
float userunit;
fz_matrix mat;
/* SumatraPDF: allow replacing potentially slow pdf_lookup_page_obj */
pageobj = pdf_resolve_indirect(pageref);
page = fz_malloc_struct(ctx, pdf_page);
page->resources = NULL;
page->contents = NULL;
page->transparency = 0;
page->links = NULL;
page->annots = NULL;
page->annot_tailp = &page->annots;
page->deleted_annots = NULL;
page->tmp_annots = NULL;
page->me = pdf_keep_obj(pageobj);
page->incomplete = 0;
obj = pdf_dict_gets(pageobj, "UserUnit");
if (pdf_is_real(obj))
userunit = pdf_to_real(obj);
else
userunit = 1;
pdf_to_rect(ctx, pdf_lookup_inherited_page_item(doc, pageobj, "MediaBox"), &mediabox);
if (fz_is_empty_rect(&mediabox))
{
fz_warn(ctx, "cannot find page size for page %d", number + 1);
mediabox.x0 = 0;
mediabox.y0 = 0;
mediabox.x1 = 612;
mediabox.y1 = 792;
}
pdf_to_rect(ctx, pdf_lookup_inherited_page_item(doc, pageobj, "CropBox"), &cropbox);
if (!fz_is_empty_rect(&cropbox))
fz_intersect_rect(&mediabox, &cropbox);
page->mediabox.x0 = fz_min(mediabox.x0, mediabox.x1) * userunit;
page->mediabox.y0 = fz_min(mediabox.y0, mediabox.y1) * userunit;
page->mediabox.x1 = fz_max(mediabox.x0, mediabox.x1) * userunit;
page->mediabox.y1 = fz_max(mediabox.y0, mediabox.y1) * userunit;
if (page->mediabox.x1 - page->mediabox.x0 < 1 || page->mediabox.y1 - page->mediabox.y0 < 1)
{
fz_warn(ctx, "invalid page size in page %d", number + 1);
page->mediabox = fz_unit_rect;
}
page->rotate = pdf_to_int(pdf_lookup_inherited_page_item(doc, pageobj, "Rotate"));
/* Snap page->rotate to 0, 90, 180 or 270 */
if (page->rotate < 0)
page->rotate = 360 - ((-page->rotate) % 360);
if (page->rotate >= 360)
page->rotate = page->rotate % 360;
page->rotate = 90*((page->rotate + 45)/90);
if (page->rotate > 360)
page->rotate = 0;
fz_pre_rotate(fz_scale(&page->ctm, 1, -1), -page->rotate);
realbox = page->mediabox;
fz_transform_rect(&realbox, &page->ctm);
fz_pre_scale(fz_translate(&mat, -realbox.x0, -realbox.y0), userunit, userunit);
fz_concat(&page->ctm, &page->ctm, &mat);
fz_try(ctx)
{
obj = pdf_dict_gets(pageobj, "Annots");
if (obj)
{
page->links = pdf_load_link_annots(doc, obj, &page->ctm);
pdf_load_annots(doc, page, obj);
}
}
fz_catch(ctx)
{
if (fz_caught(ctx) != FZ_ERROR_TRYLATER)
/* SumatraPDF: ignore annotations in case of unexpected errors */
fz_warn(ctx, "unexpectedly failed to load page annotations");
page->incomplete |= PDF_PAGE_INCOMPLETE_ANNOTS;
}
page->duration = pdf_to_real(pdf_dict_gets(pageobj, "Dur"));
obj = pdf_dict_gets(pageobj, "Trans");
page->transition_present = (obj != NULL);
if (obj)
{
pdf_load_transition(doc, page, obj);
}
// TODO: inherit
page->resources = pdf_lookup_inherited_page_item(doc, pageobj, "Resources");
if (page->resources)
pdf_keep_obj(page->resources);
obj = pdf_dict_gets(pageobj, "Contents");
fz_try(ctx)
{
page->contents = pdf_keep_obj(obj);
if (pdf_resources_use_blending(doc, page->resources))
page->transparency = 1;
/* cf. http://code.google.com/p/sumatrapdf/issues/detail?id=2107 */
else if (!strcmp(pdf_to_name(pdf_dict_getp(pageobj, "Group/S")), "Transparency"))
page->transparency = 1;
for (annot = page->annots; annot && !page->transparency; annot = annot->next)
if (annot->ap && pdf_resources_use_blending(doc, annot->ap->resources))
page->transparency = 1;
}
fz_catch(ctx)
{
if (fz_caught(ctx) != FZ_ERROR_TRYLATER)
{
pdf_free_page(doc, page);
fz_rethrow_message(ctx, "cannot load page %d contents (%d 0 R)", number + 1, pdf_to_num(pageref));
}
page->incomplete |= PDF_PAGE_INCOMPLETE_CONTENTS;
}
return page;
}
static void
fz_append_display_node(fz_display_list *list, fz_display_node *node)
{
switch (node->cmd) {
case FZ_CMD_CLIP_PATH:
case FZ_CMD_CLIP_STROKE_PATH:
case FZ_CMD_CLIP_IMAGE_MASK:
list->stack[list->top].update = &node->rect;
list->stack[list->top].rect = fz_empty_rect;
list->top++;
break;
case FZ_CMD_CLIP_TEXT:
case FZ_CMD_CLIP_STROKE_TEXT:
list->stack[list->top].update = NULL;
list->stack[list->top].rect = fz_empty_rect;
list->top++;
break;
case FZ_CMD_BEGIN_TILE:
list->tiled++;
if (list->top > 0) {
list->stack[list->top-1].rect = fz_infinite_rect;
}
break;
case FZ_CMD_END_TILE:
list->tiled--;
break;
case FZ_CMD_END_GROUP:
break;
case FZ_CMD_POP_CLIP:
if (list->top > 0) {
fz_rect *update;
list->top--;
update = list->stack[list->top].update;
if (list->tiled == 0) {
if (update != NULL) {
*update = fz_intersect_rect(*update, list->stack[list->top].rect);
node->rect = *update;
} else {
node->rect = list->stack[list->top].rect;
}
} else {
node->rect = fz_infinite_rect;
}
}
/*@fallthrough@*/
default:
if ((list->top > 0) && (list->tiled == 0)) {
list->stack[list->top-1].rect = fz_union_rect(list->stack[list->top-1].rect, node->rect);
}
break;
}
if (!list->first)
{
list->first = node;
list->last = node;
}
else
{
list->last->next = node;
list->last = node;
}
}
static void
fz_append_display_node(fz_display_list *list, fz_display_node *node)
{
switch (node->cmd)
{
case FZ_CMD_CLIP_PATH:
case FZ_CMD_CLIP_STROKE_PATH:
case FZ_CMD_CLIP_IMAGE_MASK:
if (list->top < STACK_SIZE)
{
list->stack[list->top].update = &node->rect;
list->stack[list->top].rect = fz_empty_rect;
}
list->top++;
break;
case FZ_CMD_CLIP_TEXT:
/* don't reset the clip rect for accumulated text */
if (node->flag == 2)
break;
/* fallthrough */
case FZ_CMD_END_MASK:
case FZ_CMD_CLIP_STROKE_TEXT:
if (list->top < STACK_SIZE)
{
list->stack[list->top].update = NULL;
list->stack[list->top].rect = fz_empty_rect;
}
list->top++;
break;
case FZ_CMD_BEGIN_TILE:
list->tiled++;
if (list->top > 0 && list->top <= STACK_SIZE)
{
list->stack[list->top-1].rect = fz_infinite_rect;
}
break;
case FZ_CMD_END_TILE:
list->tiled--;
break;
case FZ_CMD_END_GROUP:
break;
case FZ_CMD_POP_CLIP:
if (list->top > STACK_SIZE)
{
list->top--;
node->rect = fz_infinite_rect;
}
else if (list->top > 0)
{
fz_rect *update;
list->top--;
update = list->stack[list->top].update;
if (list->tiled == 0)
{
if (update)
{
fz_intersect_rect(update, &list->stack[list->top].rect);
node->rect = *update;
}
else
node->rect = list->stack[list->top].rect;
}
else
node->rect = fz_infinite_rect;
}
/* fallthrough */
default:
if (list->top > 0 && list->tiled == 0 && list->top <= STACK_SIZE)
fz_union_rect(&list->stack[list->top-1].rect, &node->rect);
break;
}
if (!list->first)
{
list->first = node;
list->last = node;
}
else
{
list->last->next = node;
list->last = node;
}
list->len++;
}
static int _pdf_doc_load(struct _pdf_doc *self, mume_stream_t *stm)
{
fz_error error;
fz_stream *fzstm;
fz_rect *mbox;
fz_obj *page_obj, *box_obj;
int i, c;
_pdf_doc_clear(self);
fzstm = fz_new_stream(stm, _pdf_stream_read, _pdf_stream_close);
mume_stream_reference(stm);
fzstm->seek = _pdf_stream_seek;
error = pdf_open_xref_with_stream(&self->xref, fzstm, NULL);
fz_close(fzstm);
if (error) {
mume_error(("Read xref failed\n", error));
return 0;
}
assert(!pdf_needs_password(self->xref));
/* Load meta information. */
error = pdf_load_page_tree(self->xref);
if (error) {
mume_error(("Cannot load page tree\n"));
return 0;
}
c = pdf_count_pages(self->xref);
self->glyph_cache = fz_new_glyph_cache();
self->pages = calloc_abort(c, sizeof(pdf_page*));
self->disps = calloc_abort(c, sizeof(fz_display_list*));
self->media_boxes = malloc_abort(c * sizeof(fz_rect));
self->page_rotates = malloc_abort(c * sizeof(int));
/* Extract each pages' media box and rotation. */
for (i = 0; i < c; ++i) {
mbox = self->media_boxes + i;
page_obj = self->xref->page_objs[i];
if (!page_obj) {
*mbox = fz_empty_rect;
continue;
}
box_obj = fz_dict_gets(page_obj, "MediaBox");
*mbox = pdf_to_rect(box_obj);
if (fz_is_empty_rect(*mbox)) {
fz_warn("Cannot find page bounds, guessing page bounds.");
mbox->x1 = 612;
mbox->y1 = 792;
}
box_obj = fz_dict_gets(page_obj, "CropBox");
if (fz_is_array(box_obj))
*mbox = fz_intersect_rect(*mbox, pdf_to_rect(box_obj));
self->page_rotates[i] = fz_to_int(
fz_dict_gets(page_obj, "Rotate"));
if (self->page_rotates[i] % 90)
self->page_rotates[i] = 0;
}
return 1;
}
void
fz_run_display_list(fz_display_list *list, fz_device *dev, const fz_matrix *top_ctm, const fz_rect *scissor, fz_cookie *cookie)
{
fz_display_node *node;
fz_matrix ctm;
int clipped = 0;
int tiled = 0;
int progress = 0;
fz_context *ctx = dev->ctx;
if (!scissor)
scissor = &fz_infinite_rect;
if (cookie)
{
cookie->progress_max = list->len;
cookie->progress = 0;
}
for (node = list->first; node; node = node->next)
{
int empty;
fz_rect node_rect = node->rect;
fz_transform_rect(&node_rect, top_ctm);
/* 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 ||
node->cmd == FZ_CMD_BEGIN_PAGE || node->cmd == FZ_CMD_END_PAGE)
{
empty = 0;
}
else
{
fz_rect rect = node_rect;
fz_intersect_rect(&rect, scissor);
empty = fz_is_empty_rect(&rect);
}
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:
fz_concat(&ctm, &node->ctm, top_ctm);
fz_try(ctx)
{
switch (node->cmd)
{
case FZ_CMD_BEGIN_PAGE:
fz_begin_page(dev, &node_rect, &ctm);
break;
case FZ_CMD_END_PAGE:
fz_end_page(dev);
break;
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_clip_path(dev, node->item.path, &node_rect, node->flag, &ctm);
break;
case FZ_CMD_CLIP_STROKE_PATH:
fz_clip_stroke_path(dev, node->item.path, &node_rect, 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:
if ((dev->hints & FZ_IGNORE_SHADE) == 0)
fz_fill_shade(dev, node->item.shade, &ctm, node->alpha);
break;
case FZ_CMD_FILL_IMAGE:
if ((dev->hints & FZ_IGNORE_IMAGE) == 0)
fz_fill_image(dev, node->item.image, &ctm, node->alpha);
break;
case FZ_CMD_FILL_IMAGE_MASK:
if ((dev->hints & FZ_IGNORE_IMAGE) == 0)
fz_fill_image_mask(dev, node->item.image, &ctm,
node->colorspace, node->color, node->alpha);
break;
case FZ_CMD_CLIP_IMAGE_MASK:
if ((dev->hints & FZ_IGNORE_IMAGE) == 0)
fz_clip_image_mask(dev, node->item.image, &node_rect, &ctm);
break;
case FZ_CMD_POP_CLIP:
fz_pop_clip(dev);
break;
case FZ_CMD_BEGIN_MASK:
fz_begin_mask(dev, &node_rect, node->flag, node->colorspace, node->color);
break;
case FZ_CMD_END_MASK:
fz_end_mask(dev);
break;
case FZ_CMD_BEGIN_GROUP:
fz_begin_group(dev, &node_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:
{
int cached;
fz_rect tile_rect;
tiled++;
tile_rect.x0 = node->color[2];
tile_rect.y0 = node->color[3];
tile_rect.x1 = node->color[4];
tile_rect.y1 = node->color[5];
cached = fz_begin_tile_id(dev, &node->rect, &tile_rect, node->color[0], node->color[1], &ctm, node->flag);
if (cached)
node = skip_to_end_tile(node, &progress);
break;
}
case FZ_CMD_END_TILE:
tiled--;
fz_end_tile(dev);
break;
/* SumatraPDF: support transfer functions */
case FZ_CMD_APPLY_TRANSFER_FUNCTION:
fz_apply_transfer_function(dev, node->item.tr, node->flag);
break;
}
}
fz_catch(ctx)
{
/* Swallow the error */
if (cookie)
cookie->errors++;
fz_warn(ctx, "Ignoring error during interpretation");
}
}
}
