static fz_image *
pdf_load_jpx_imp(fz_context *ctx, pdf_document *doc, pdf_obj *rdb, pdf_obj *dict, fz_stream *cstm, int forcemask)
{
fz_image *image = pdf_load_jpx(ctx, doc, dict, forcemask);
if (forcemask)
{
fz_pixmap_image *cimg = (fz_pixmap_image *)image;
fz_pixmap *mask_pixmap;
fz_pixmap *tile = fz_pixmap_image_tile(ctx, cimg);
if (tile->n != 1)
{
fz_pixmap *gray = fz_convert_pixmap(ctx, tile, fz_device_gray(ctx), NULL, NULL, fz_default_color_params(ctx), 0);
fz_drop_pixmap(ctx, tile);
tile = gray;
}
mask_pixmap = fz_alpha_from_gray(ctx, tile);
fz_drop_pixmap(ctx, tile);
fz_set_pixmap_image_tile(ctx, cimg, mask_pixmap);
}
return image;
}
static void
fz_test_fill_text(fz_context *ctx, fz_device *dev_, const fz_text *text, fz_matrix ctm,
fz_colorspace *colorspace, const float *color, float alpha, const fz_color_params *color_params)
{
fz_test_device *dev = (fz_test_device*)dev_;
if (dev->resolved == 0 && alpha != 0.0f)
{
if (color_params == NULL)
color_params = fz_default_color_params(ctx);
fz_test_color(ctx, dev, colorspace, color, color_params);
}
if (dev->passthrough)
fz_fill_text(ctx, dev->passthrough, text, ctm, colorspace, color, alpha, color_params);
}
static void
fz_test_stroke_path(fz_context *ctx, fz_device *dev_, const fz_path *path, const fz_stroke_state *stroke,
const fz_matrix *ctm, fz_colorspace *colorspace, const float *color, float alpha, const fz_color_params *color_params)
{
fz_test_device *dev = (fz_test_device*)dev_;
if (dev->resolved == 0 && alpha != 0.0f)
{
if (color_params == NULL)
color_params = fz_default_color_params(ctx);
fz_test_color(ctx, dev, colorspace, color, color_params);
}
if (dev->passthrough)
fz_stroke_path(ctx, dev->passthrough, path, stroke, ctm, colorspace, color, alpha, color_params);
}
static void
fz_test_fill_image_mask(fz_context *ctx, fz_device *dev_, fz_image *image, fz_matrix ctm,
fz_colorspace *colorspace, const float *color, float alpha, const fz_color_params *color_params)
{
fz_test_device *dev = (fz_test_device*)dev_;
if (color_params == NULL)
color_params = fz_default_color_params(ctx);
if (dev->resolved == 0)
{
/* We assume that at least some of the image pixels are non-zero */
fz_test_color(ctx, dev, colorspace, color, color_params);
}
if (dev->passthrough)
fz_fill_image_mask(ctx, dev->passthrough, image, ctm, colorspace, color, alpha, color_params);
}
static void
fz_test_fill_shade(fz_context *ctx, fz_device *dev_, fz_shade *shade, fz_matrix ctm, float alpha, const fz_color_params *color_params)
{
fz_test_device *dev = (fz_test_device*)dev_;
if (color_params == NULL)
color_params = fz_default_color_params(ctx);
if (dev->resolved == 0)
{
if ((dev->options & FZ_TEST_OPT_SHADINGS) == 0)
{
if (fz_colorspace_type(ctx, shade->colorspace) != FZ_COLORSPACE_GRAY)
{
/* Don't test every pixel. Upgrade us from "black and white" to "probably color" */
if (*dev->is_color == 0)
*dev->is_color = 1;
dev->resolved = 1;
if (dev->passthrough == NULL)
fz_throw(ctx, FZ_ERROR_ABORT, "Page found as color; stopping interpretation");
}
}
else
{
if (shade->use_function)
{
int i;
for (i = 0; i < 256; i++)
fz_test_color(ctx, dev, shade->colorspace, shade->function[i], color_params);
}
else
{
struct shadearg arg;
arg.dev = dev;
arg.shade = shade;
arg.color_params = color_params;
fz_process_shade(ctx, shade, ctm, fz_device_current_scissor(ctx, dev_), prepare_vertex, NULL, &arg);
}
}
}
if (dev->passthrough)
fz_fill_shade(ctx, dev->passthrough, shade, ctm, alpha, color_params);
}
