diff options
Diffstat (limited to 'fitz/dev_bbox.c')
| -rw-r--r-- | fitz/dev_bbox.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/fitz/dev_bbox.c b/fitz/dev_bbox.c deleted file mode 100644 index 9cb2a27e..00000000 --- a/fitz/dev_bbox.c +++ /dev/null @@ -1,231 +0,0 @@ -#include "mupdf/fitz.h" - -#define STACK_SIZE 96 - -typedef struct fz_bbox_data_s -{ - fz_rect *result; - int top; - fz_rect stack[STACK_SIZE]; - /* mask content and tiles are ignored */ - int ignore; -} fz_bbox_data; - -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; - } -} - -static void -fz_bbox_fill_path(fz_device *dev, fz_path *path, int even_odd, const fz_matrix *ctm, - fz_colorspace *colorspace, float *color, float alpha) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, NULL, ctm, &r), 0); -} - -static void -fz_bbox_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke, - const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, stroke, ctm, &r), 0); -} - -static void -fz_bbox_fill_text(fz_device *dev, fz_text *text, const fz_matrix *ctm, - fz_colorspace *colorspace, float *color, float alpha) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_text(dev->ctx, text, NULL, ctm, &r), 0); -} - -static void -fz_bbox_stroke_text(fz_device *dev, fz_text *text, fz_stroke_state *stroke, - const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_text(dev->ctx, text, stroke, ctm, &r), 0); -} - -static void -fz_bbox_fill_shade(fz_device *dev, fz_shade *shade, const fz_matrix *ctm, float alpha) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_shade(dev->ctx, shade, ctm, &r), 0); -} - -static void -fz_bbox_fill_image(fz_device *dev, fz_image *image, const fz_matrix *ctm, float alpha) -{ - fz_rect r = fz_unit_rect; - fz_bbox_add_rect(dev, fz_transform_rect(&r, ctm), 0); -} - -static void -fz_bbox_fill_image_mask(fz_device *dev, fz_image *image, const fz_matrix *ctm, - fz_colorspace *colorspace, float *color, float alpha) -{ - fz_rect r = fz_unit_rect; - fz_bbox_add_rect(dev, fz_transform_rect(&r, ctm), 0); -} - -static void -fz_bbox_clip_path(fz_device *dev, fz_path *path, const fz_rect *rect, int even_odd, const fz_matrix *ctm) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, NULL, ctm, &r), 1); -} - -static void -fz_bbox_clip_stroke_path(fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, stroke, ctm, &r), 1); -} - -static void -fz_bbox_clip_text(fz_device *dev, fz_text *text, const fz_matrix *ctm, int accumulate) -{ - fz_rect r = fz_infinite_rect; - if (accumulate) - fz_bbox_add_rect(dev, &r, accumulate != 2); - else - fz_bbox_add_rect(dev, fz_bound_text(dev->ctx, text, NULL, ctm, &r), 1); -} - -static void -fz_bbox_clip_stroke_text(fz_device *dev, fz_text *text, fz_stroke_state *stroke, const fz_matrix *ctm) -{ - fz_rect r; - fz_bbox_add_rect(dev, fz_bound_text(dev->ctx, text, stroke, ctm, &r), 1); -} - -static void -fz_bbox_clip_image_mask(fz_device *dev, fz_image *image, const fz_rect *rect, const fz_matrix *ctm) -{ - fz_rect r = *rect; - fz_bbox_add_rect(dev, fz_transform_rect(&r, ctm), 1); -} - -static void -fz_bbox_pop_clip(fz_device *dev) -{ - fz_bbox_data *data = dev->user; - if (data->top > 0) - data->top--; - else - fz_warn(dev->ctx, "unexpected pop clip"); -} - -static void -fz_bbox_begin_mask(fz_device *dev, const fz_rect *rect, int luminosity, fz_colorspace *colorspace, float *color) -{ - fz_bbox_data *data = dev->user; - fz_bbox_add_rect(dev, rect, 1); - data->ignore++; -} - -static void -fz_bbox_end_mask(fz_device *dev) -{ - fz_bbox_data *data = dev->user; - assert(data->ignore > 0); - data->ignore--; -} - -static void -fz_bbox_begin_group(fz_device *dev, const fz_rect *rect, int isolated, int knockout, int blendmode, float alpha) -{ - fz_bbox_add_rect(dev, rect, 1); -} - -static void -fz_bbox_end_group(fz_device *dev) -{ - fz_bbox_pop_clip(dev); -} - -static int -fz_bbox_begin_tile(fz_device *dev, const fz_rect *area, const fz_rect *view, float xstep, float ystep, const fz_matrix *ctm, int id) -{ - fz_bbox_data *data = dev->user; - fz_rect r = *area; - fz_bbox_add_rect(dev, fz_transform_rect(&r, ctm), 0); - data->ignore++; - return 0; -} - -static void -fz_bbox_end_tile(fz_device *dev) -{ - fz_bbox_data *data = dev->user; - assert(data->ignore > 0); - data->ignore--; -} - -static void -fz_bbox_free_user(fz_device *dev) -{ - fz_bbox_data *data = dev->user; - if (data->top > 0) - fz_warn(dev->ctx, "items left on stack in bbox device: %d", data->top); - fz_free(dev->ctx, dev->user); -} - -fz_device * -fz_new_bbox_device(fz_context *ctx, fz_rect *result) -{ - fz_device *dev; - - fz_bbox_data *user = fz_malloc_struct(ctx, fz_bbox_data); - user->result = result; - user->top = 0; - user->ignore = 0; - dev = fz_new_device(ctx, user); - dev->free_user = fz_bbox_free_user; - - dev->fill_path = fz_bbox_fill_path; - dev->stroke_path = fz_bbox_stroke_path; - dev->clip_path = fz_bbox_clip_path; - dev->clip_stroke_path = fz_bbox_clip_stroke_path; - - dev->fill_text = fz_bbox_fill_text; - dev->stroke_text = fz_bbox_stroke_text; - dev->clip_text = fz_bbox_clip_text; - dev->clip_stroke_text = fz_bbox_clip_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; - dev->clip_image_mask = fz_bbox_clip_image_mask; - - dev->pop_clip = fz_bbox_pop_clip; - - dev->begin_mask = fz_bbox_begin_mask; - dev->end_mask = fz_bbox_end_mask; - dev->begin_group = fz_bbox_begin_group; - dev->end_group = fz_bbox_end_group; - - dev->begin_tile = fz_bbox_begin_tile; - dev->end_tile = fz_bbox_end_tile; - - *result = fz_empty_rect; - - return dev; -} |