PNG Not Rendering Properly in FastReports Preview

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  • #53079
    Support
    Keymaster

      Hello! Thank you for screenshots and for demo-program.

      What version of your FR package? I'm trying it with FR 5.2.3, but image is not visible in preview, other behaviour is well.

      I can't understand why image is not visible there (I tried your package without AlphaControls even, with same behaviour).

      #53113
      alweis
      Participant

        Hello Serge,

        I am currently using FR4.15.4. I intend to move to version 5.2. I cannot explain the behavior you are seeing. Ultimately, I intend to use XE7 and FR 5.2. Just as soon as I have a chance, I will prepare the same demo for the newer versions. For the moment this is not critical because I can continue to use AC 9.15. I am hoping to make the transition to XE7 and FR5.2 by 6-15-2015, but I still have a number of XE7 issues to resolve.

        Best Regards,

        Al

        #53176
        alweis
        Participant

          Hello Serge,

          Just an update I have tested the following with FR 5.2.7:

          • Delphi XE7 + AC 9.20, PNGs do not render properly
          • Delphi XE7 + AC 9.15, PNGs do render properly

          Best Regards,

          Al

          #53183
          dhwz2001
          Participant

            Confirmed, I've the same problem with TsListView and also with TsAlphaHints. All transparent PNGs just have black background. But only if the PNG is 8-bit, 32-bit is working properly.

            #53185
            alweis
            Participant

              Hello dhwz2001,

              I guess we have different problems because my graphics are 32-bit /with alpha Channel.

              Best Regards,

              Al

              #53291
              dhwz2001
              Participant

                Still no fix for that issue? 🙁

                #53307
                Support
                Keymaster

                  Hello!

                  I have deleted skins from the demo and changed Png image to Jpeg, but same issue exists, unfortunately – image is not visible in the Preview.

                  Can you check it, please?

                  Exe-video is attached, look it please.

                  #53312
                  alweis
                  Participant

                    Please send me the source for the video and I will look at it.

                    #53313
                    Support
                    Keymaster

                      This demo is attached here.

                      #53334
                      alweis
                      Participant

                        Your graphic was not displaying because you used the same Picture control as the original without removing the file link. I have fixed this and used a relative path for calling my logo so that you can see the problem. This logo is intended to be replaced by the customer logo. Therefore it is not practical form me to embed it in each report.

                        #53340
                        Support
                        Keymaster

                          Thank you, I can repeat this issue now.

                          The reason of this trouble is in changed priority of Png handlers.

                          You can fix it easily, I think – just change the ACPngFirst variable to False.

                          This variable is declared in the sDefaults unit. Please, try it.

                          #53342
                          alweis
                          Participant

                            Your suggestion as fixed this issue. You may consider the case closed. As usual, thank you for the fine controls and your support.

                            Best Regards,

                            Al

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