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Quote from: AdmFubar on August 27, 2025, 01:59:39 AMIn Scribus this seems to work as indicated here. The darker the color present the less change there is until you get to black and then there is no change.Yes, I have manually calculated the result color of the blend, assuming it were performed in RGB, and have even documented it in the ODS file attached to my bug report, and the calculated color matches the color that is rendered by Scribus as a result of applying the exclusion blend mode (by the way, I have included a third text in the sample SLA file in the bug report that has the result color of the color blend being performed in CMYK explicitly assigned to it).
Quote from: AdmFubar on August 27, 2025, 01:59:39 AMNow when you are exporting to the pdf, in the window that opens there are a set of tabs for adjusting the export options, one is marked "Color". In that tab there is an intended output option, "Screen/Web", "Printer", or "Grayscale", Whst option are you using?When selecting PDF/X-4 in the General tab, the "Output Intended For" option in the Color tab is greyed out and set to "Printer" (understandably). But when I tried exporting to PDF 1.6 (which is apparently the standard that PDF/X-4 is based on), I selected "Printer" and the problem is present in the exported PDF file as well.
Quote from: AdmFubar on August 26, 2025, 11:18:13 PMI'm not sure if i'm right about this, but the blend mode for text only seems to work with text and not other objects.I am not sure if I understand what you mean by that. Do you mean that, if there are different objects in a layer that has a blend mode assigned, the blend mode will only affect text in that layer and not other objects? If so, this does not seem to be the case. I have created a circle in the layer with the blend mode with the same source color as the text in that layer and the circle is displayed in exactly the same color as the text.
Quote from: AdmFubar on August 26, 2025, 11:18:13 PMI was playing with the file posted by max and was adjusting the wording of the text to reflect what text was which as i tried different options. the text wrapped in the text frame and the exclusion mode was applied to the text, I added a background color to the text as well and got more exclusion effect applied.Is this related to the original topic of this thread, to the observation you made in the first sentence of your message, or to neither of the two? Because I do not see any connection and I wonder if I am missing something.
Quote from: a.l.e on August 26, 2025, 11:31:17 AMWould you mind opening a ticket with your sample files?
Quote from: maximilian on August 25, 2025, 09:48:17 AMAfter investigating this problem, I believe that the reason for the discrepancy is that, in the exported PDF file, the blending color space of the text object seems to be set to the color space of the document's output intent, which is in CMYK mode, even though Scribus performs all color blending operations in RGB (as I believe I have read somewhere). Can someone confirm this? Is this a bug in Scribus?No not a bug, this is how it would look as printed, as CMYK has smaller color space than RGB.