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#include "fitz.h"
/* TODO: add clip stack and use to intersect bboxes */
typedef struct fz_bbox_device_s fz_bbox_device;
struct fz_bbox_device_s
{
fz_bbox *bbox;
};
static void
fz_bbox_fill_path(void *user, fz_path *path, int even_odd, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox_device *bdev = user;
fz_bbox bbox = fz_round_rect(fz_bound_path(path, NULL, ctm));
*bdev->bbox = fz_union_bbox(*bdev->bbox, bbox);
}
static void
fz_bbox_stroke_path(void *user, fz_path *path, fz_stroke_state *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox_device *bdev = user;
fz_bbox bbox = fz_round_rect(fz_bound_path(path, stroke, ctm));
*bdev->bbox = fz_union_bbox(*bdev->bbox, bbox);
}
static void
fz_bbox_fill_text(void *user, fz_text *text, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox_device *bdev = user;
fz_bbox bbox = fz_round_rect(fz_bound_text(text, ctm));
*bdev->bbox = fz_union_bbox(*bdev->bbox, bbox);
}
static void
fz_bbox_stroke_text(void *user, fz_text *text, fz_stroke_state *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox_device *bdev = user;
fz_bbox bbox = fz_round_rect(fz_bound_text(text, ctm));
*bdev->bbox = fz_union_bbox(*bdev->bbox, bbox);
}
static void
fz_bbox_fill_shade(void *user, fz_shade *shade, fz_matrix ctm, float alpha)
{
fz_bbox_device *bdev = user;
fz_bbox bbox = fz_round_rect(fz_bound_shade(shade, ctm));
*bdev->bbox = fz_union_bbox(*bdev->bbox, bbox);
}
static void
fz_bbox_fill_image(void *user, fz_pixmap *image, fz_matrix ctm, float alpha)
{
fz_bbox_device *bdev = user;
fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, fz_unit_rect));
*bdev->bbox = fz_union_bbox(*bdev->bbox, bbox);
}
static void
fz_bbox_fill_image_mask(void *user, fz_pixmap *image, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox_fill_image(user, image, ctm, alpha);
}
static void
fz_bbox_free_user(void *user)
{
fz_bbox_device *bdev = user;
fz_free(bdev);
}
fz_device *
fz_new_bbox_device(fz_bbox *bboxp)
{
fz_device *dev;
fz_bbox_device *bdev = fz_malloc(sizeof(fz_bbox_device));
bdev->bbox = bboxp;
*bdev->bbox = fz_empty_bbox;
dev = fz_new_device(bdev);
dev->free_user = fz_bbox_free_user;
dev->fill_path = fz_bbox_fill_path;
dev->stroke_path = fz_bbox_stroke_path;
dev->fill_text = fz_bbox_fill_text;
dev->stroke_text = fz_bbox_stroke_text;
dev->fill_shade = fz_bbox_fill_shade;
dev->fill_image = fz_bbox_fill_image;
dev->fill_image_mask = fz_bbox_fill_image_mask;
return dev;
}
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