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#include "fitz-internal.h"
fz_device *
fz_new_device(fz_context *ctx, void *user)
{
fz_device *dev = fz_malloc_struct(ctx, fz_device);
dev->hints = 0;
dev->flags = 0;
dev->user = user;
dev->ctx = ctx;
dev->error_depth = 0;
return dev;
}
void
fz_free_device(fz_device *dev)
{
if (dev == NULL)
return;
if (dev->free_user)
dev->free_user(dev);
fz_free(dev->ctx, dev);
}
void
fz_enable_device_hints(fz_device *dev, int hints)
{
dev->hints |= hints;
}
void
fz_disable_device_hints(fz_device *dev, int hints)
{
dev->hints &= ~hints;
}
void
fz_fill_path(fz_device *dev, fz_path *path, int even_odd, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
if (dev->error_depth)
return;
if (dev->fill_path)
dev->fill_path(dev, path, even_odd, ctm, colorspace, color, alpha);
}
void
fz_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
if (dev->error_depth)
return;
if (dev->stroke_path)
dev->stroke_path(dev, path, stroke, ctm, colorspace, color, alpha);
}
void
fz_clip_path(fz_device *dev, fz_path *path, const fz_rect *rect, int even_odd, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_path)
dev->clip_path(dev, path, rect, even_odd, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
}
void
fz_clip_stroke_path(fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_stroke_path)
dev->clip_stroke_path(dev, path, rect, stroke, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
}
void
fz_fill_text(fz_device *dev, fz_text *text, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
if (dev->error_depth)
return;
if (dev->fill_text)
dev->fill_text(dev, text, ctm, colorspace, color, alpha);
}
void
fz_stroke_text(fz_device *dev, fz_text *text, fz_stroke_state *stroke, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
if (dev->error_depth)
return;
if (dev->stroke_text)
dev->stroke_text(dev, text, stroke, ctm, colorspace, color, alpha);
}
void
fz_clip_text(fz_device *dev, fz_text *text, const fz_matrix *ctm, int accumulate)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
if (accumulate == 0 || accumulate == 1)
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_text)
dev->clip_text(dev, text, ctm, accumulate);
}
fz_catch(ctx)
{
if (accumulate == 2)
fz_rethrow(ctx);
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
}
void
fz_clip_stroke_text(fz_device *dev, fz_text *text, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_stroke_text)
dev->clip_stroke_text(dev, text, stroke, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
}
void
fz_ignore_text(fz_device *dev, fz_text *text, const fz_matrix *ctm)
{
if (dev->error_depth)
return;
if (dev->ignore_text)
dev->ignore_text(dev, text, ctm);
}
void
fz_pop_clip(fz_device *dev)
{
if (dev->error_depth)
{
dev->error_depth--;
if (dev->error_depth == 0)
fz_throw(dev->ctx, "%s", dev->errmess);
return;
}
if (dev->pop_clip)
dev->pop_clip(dev);
}
void
fz_fill_shade(fz_device *dev, fz_shade *shade, const fz_matrix *ctm, float alpha)
{
if (dev->error_depth)
return;
if (dev->fill_shade)
dev->fill_shade(dev, shade, ctm, alpha);
}
void
fz_fill_image(fz_device *dev, fz_image *image, const fz_matrix *ctm, float alpha)
{
if (dev->error_depth)
return;
if (dev->fill_image)
dev->fill_image(dev, image, ctm, alpha);
}
void
fz_fill_image_mask(fz_device *dev, fz_image *image, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
if (dev->error_depth)
return;
if (dev->fill_image_mask)
dev->fill_image_mask(dev, image, ctm, colorspace, color, alpha);
}
void
fz_clip_image_mask(fz_device *dev, fz_image *image, const fz_rect *rect, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_image_mask)
dev->clip_image_mask(dev, image, rect, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
}
void
fz_begin_mask(fz_device *dev, const fz_rect *area, int luminosity, fz_colorspace *colorspace, float *bc)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->begin_mask)
dev->begin_mask(dev, area, luminosity, colorspace, bc);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
}
void
fz_end_mask(fz_device *dev)
{
if (dev->error_depth)
{
/* Converts from mask to clip, so no change in stack depth */
return;
}
if (dev->end_mask)
dev->end_mask(dev);
}
void
fz_begin_group(fz_device *dev, const fz_rect *area, int isolated, int knockout, int blendmode, float alpha)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->begin_group)
dev->begin_group(dev, area, isolated, knockout, blendmode, alpha);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
}
void
fz_end_group(fz_device *dev)
{
if (dev->error_depth)
{
dev->error_depth--;
if (dev->error_depth == 0)
fz_throw(dev->ctx, "%s", dev->errmess);
return;
}
if (dev->end_group)
dev->end_group(dev);
}
void
fz_begin_tile(fz_device *dev, const fz_rect *area, const fz_rect *view, float xstep, float ystep, const fz_matrix *ctm)
{
(void)fz_begin_tile_id(dev, area, view, xstep, ystep, ctm, 0);
}
int
fz_begin_tile_id(fz_device *dev, const fz_rect *area, const fz_rect *view, float xstep, float ystep, const fz_matrix *ctm, int id)
{
fz_context *ctx = dev->ctx;
int ret = 0;
if (dev->error_depth)
{
dev->error_depth++;
return 0;
}
fz_try(ctx)
{
if (dev->begin_tile)
ret = dev->begin_tile(dev, area, view, xstep, ystep, ctm, id);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught(ctx));
/* Error swallowed */
}
return ret;
}
void
fz_end_tile(fz_device *dev)
{
if (dev->error_depth)
{
dev->error_depth--;
if (dev->error_depth == 0)
fz_throw(dev->ctx, "%s", dev->errmess);
return;
}
if (dev->end_tile)
dev->end_tile(dev);
}
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