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Diffstat (limited to 'source/fitz/draw-device.c')
-rw-r--r--source/fitz/draw-device.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/source/fitz/draw-device.c b/source/fitz/draw-device.c
index 4ba14f69..03351940 100644
--- a/source/fitz/draw-device.c
+++ b/source/fitz/draw-device.c
@@ -497,6 +497,7 @@ resolve_color(fz_context *ctx, fz_overprint *op, const float *color, fz_colorspa
int n = dest->n - dest->alpha;
fz_colorspace *model = dest->colorspace;
int devn, devgray;
+ int effective_opm;
if (colorspace == NULL && model != NULL)
fz_throw(ctx, FZ_ERROR_GENERIC, "color destination requires source color");
@@ -504,6 +505,7 @@ resolve_color(fz_context *ctx, fz_overprint *op, const float *color, fz_colorspa
if (color_params == NULL)
color_params = fz_default_color_params(ctx);
+ effective_opm = color_params->opm;
devn = fz_colorspace_is_device_n(ctx, colorspace);
devgray = fz_colorspace_is_device_gray(ctx, colorspace);
/* We can only overprint when enabled, and when we are in a subtractive colorspace */
@@ -515,10 +517,12 @@ resolve_color(fz_context *ctx, fz_overprint *op, const float *color, fz_colorspa
* (see Ghent_V3.0/030_Gray_K_black_OP_x1a.pdf 030.pdf). */
}
/* If we are in a CMYK space (i.e. not a devn one, given we know we are subtractive at this point),
- * then we only overprint if it's the same space as the destination. */
+ * then we only adhere to overprint mode if it's the same space as the destination. */
/* FIXME: Possibly we need a better equivalency test here. */
else if (!devn && colorspace != dest->colorspace)
- op = NULL;
+ {
+ effective_opm = 0;
+ }
if (n == 0)
i = 0;
@@ -527,7 +531,7 @@ resolve_color(fz_context *ctx, fz_overprint *op, const float *color, fz_colorspa
fz_convert_separation_colors(ctx, color_params, dest->colorspace, dest->seps, colorfv, colorspace, color);
for (i = 0; i < n; i++)
colorbv[i] = colorfv[i] * 255;
- op = set_op_from_spaces(ctx, op, dest, colorspace, color_params->opm);
+ op = set_op_from_spaces(ctx, op, dest, colorspace, effective_opm);
}
else
{
@@ -549,7 +553,7 @@ resolve_color(fz_context *ctx, fz_overprint *op, const float *color, fz_colorspa
fz_set_overprint(op, i);
/* If OPM, then protect all components for which the color values are zero.
* (but only if we're in devicecmyk). */
- if (color_params->opm == 1 && colorspace != fz_device_gray(ctx))
+ if (effective_opm == 1 && colorspace != fz_device_gray(ctx))
for (i = 0; i < n; i++)
if (colorfv[i] == 0)
fz_set_overprint(op, i);