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#include "fitz.h"
/* TODO: add clip stack and use to intersect bboxes */
typedef struct fz_bboxdevice_s fz_bboxdevice;
struct fz_bboxdevice_s
{
fz_bbox *bbox;
};
static void
fz_bboxfillpath(void *user, fz_path *path, int evenodd, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bboxdevice *bdev = user;
fz_bbox bbox = fz_roundrect(fz_boundpath(path, nil, ctm));
*bdev->bbox = fz_unionbbox(*bdev->bbox, bbox);
}
static void
fz_bboxstrokepath(void *user, fz_path *path, fz_strokestate *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bboxdevice *bdev = user;
fz_bbox bbox = fz_roundrect(fz_boundpath(path, stroke, ctm));
*bdev->bbox = fz_unionbbox(*bdev->bbox, bbox);
}
static void
fz_bboxfilltext(void *user, fz_text *text, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bboxdevice *bdev = user;
fz_bbox bbox = fz_roundrect(fz_boundtext(text, ctm));
*bdev->bbox = fz_unionbbox(*bdev->bbox, bbox);
}
static void
fz_bboxstroketext(void *user, fz_text *text, fz_strokestate *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bboxdevice *bdev = user;
fz_bbox bbox = fz_roundrect(fz_boundtext(text, ctm));
*bdev->bbox = fz_unionbbox(*bdev->bbox, bbox);
}
static void
fz_bboxfillshade(void *user, fz_shade *shade, fz_matrix ctm, float alpha)
{
fz_bboxdevice *bdev = user;
fz_bbox bbox = fz_roundrect(fz_boundshade(shade, ctm));
*bdev->bbox = fz_unionbbox(*bdev->bbox, bbox);
}
static void
fz_bboxfillimage(void *user, fz_pixmap *image, fz_matrix ctm, float alpha)
{
fz_bboxdevice *bdev = user;
fz_bbox bbox = fz_roundrect(fz_transformrect(ctm, fz_unitrect));
*bdev->bbox = fz_unionbbox(*bdev->bbox, bbox);
}
static void
fz_bboxfillimagemask(void *user, fz_pixmap *image, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bboxfillimage(user, image, ctm, alpha);
}
static void
fz_bboxfreeuser(void *user)
{
fz_bboxdevice *bdev = user;
fz_free(bdev);
}
fz_device *
fz_newbboxdevice(fz_bbox *bboxp)
{
fz_device *dev;
fz_bboxdevice *bdev = fz_malloc(sizeof(fz_bboxdevice));
bdev->bbox = bboxp;
*bdev->bbox = fz_emptybbox;
dev = fz_newdevice(bdev);
dev->freeuser = fz_bboxfreeuser;
dev->fillpath = fz_bboxfillpath;
dev->strokepath = fz_bboxstrokepath;
dev->filltext = fz_bboxfilltext;
dev->stroketext = fz_bboxstroketext;
dev->fillshade = fz_bboxfillshade;
dev->fillimage = fz_bboxfillimage;
dev->fillimagemask = fz_bboxfillimagemask;
return dev;
}
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