/* Helper functions */
static void
pdf_dev_stroke_state(fz_context *ctx, pdf_device *pdev, const fz_stroke_state *stroke_state)
{
gstate *gs = CURRENT_GSTATE(pdev);
if (stroke_state == gs->stroke_state)
return;
if (gs->stroke_state && !memcmp(stroke_state, gs->stroke_state, sizeof(*stroke_state)))
return;
if (!gs->stroke_state || gs->stroke_state->linewidth != stroke_state->linewidth)
{
fz_append_printf(ctx, gs->buf, "%g w\n", stroke_state->linewidth);
}
if (!gs->stroke_state || gs->stroke_state->start_cap != stroke_state->start_cap)
{
int cap = stroke_state->start_cap;
/* FIXME: Triangle caps aren't supported in pdf */
if (cap == FZ_LINECAP_TRIANGLE)
cap = FZ_LINECAP_BUTT;
fz_append_printf(ctx, gs->buf, "%d J\n", cap);
}
if (!gs->stroke_state || gs->stroke_state->linejoin != stroke_state->linejoin)
{
int join = stroke_state->linejoin;
if (join == FZ_LINEJOIN_MITER_XPS)
join = FZ_LINEJOIN_MITER;
fz_append_printf(ctx, gs->buf, "%d j\n", join);
}
if (!gs->stroke_state || gs->stroke_state->miterlimit != stroke_state->miterlimit)
{
fz_append_printf(ctx, gs->buf, "%g M\n", stroke_state->miterlimit);
}
if (gs->stroke_state == NULL && stroke_state->dash_len == 0)
{}
else if (!gs->stroke_state || gs->stroke_state->dash_phase != stroke_state->dash_phase || gs->stroke_state->dash_len != stroke_state->dash_len ||
memcmp(gs->stroke_state->dash_list, stroke_state->dash_list, sizeof(float)*stroke_state->dash_len))
{
int i;
if (stroke_state->dash_len == 0)
fz_append_byte(ctx, gs->buf, '[');
for (i = 0; i < stroke_state->dash_len; i++)
{
if (i > 0)
fz_append_byte(ctx, gs->buf, ' ');
fz_append_printf(ctx, gs->buf, "%g", stroke_state->dash_list[i]);
}
fz_append_printf(ctx, gs->buf, "]%g d\n", stroke_state->dash_phase);
}
fz_drop_stroke_state(ctx, gs->stroke_state);
gs->stroke_state = fz_keep_stroke_state(ctx, stroke_state);
}
static void
fz_list_clip_stroke_text(fz_device *dev, fz_text *text, 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_TEXT, ctm, NULL, NULL, 0);
fz_try(ctx)
{
fz_bound_text(dev->ctx, text, stroke, ctm, &node->rect);
node->item.text = fz_clone_text(dev->ctx, text);
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_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke,
const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_STROKE_PATH, ctm, colorspace, color, alpha);
fz_try(ctx)
{
fz_bound_path(dev->ctx, path, stroke, ctm, &node->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_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_stroke_text(fz_device *dev, fz_text *text, fz_stroke_state *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_STROKE_TEXT, ctm, colorspace, color, alpha);
node->item.text = NULL;
fz_try(ctx)
{
node->rect = fz_bound_text(dev->ctx, text, ctm);
node->item.text = fz_clone_text(dev->ctx, text);
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);
}
