12/28/2023 0 Comments Print selection mac previewI get the print window to appear and I see my 'green background' for my view, but for some reason it's split onto 2 pages. When I go to run the print operation using the global variable, like so. Set color of drawing to green, and fill the rectangle green, so we can see it's boundaries.ĬGContextSelectFont(m圜ontext, "Helvetica-Bold", 18, kCGEncodingMacRoman) ĬGContextSetCharacterSpacing(m圜ontext, 10) ĬGContextSetTextDrawingMode(m圜ontext, kCGTextFillStroke) ĬGContextSetRGBFillColor(m圜ontext, 0, 0, 0, 1) //blackĬGContextSetRGBStrokeColor (m圜ontext, 0, 0, 1, 1) //blue strokeĬGContextShowTextAtPoint(m圜ontext, 40, 0, "Here is some text!", 18) If ( ) To Screen") ĬGContextRef m圜ontext = graphicsPort] modify the frame to reflect the correct height & width of the paper.į = -globalPrintInfo.bottomMargin į = Printer = įor the subclassed NSView so that I can see it's boundaries I added the following code below to it's drawRect method. GlobalPrintInfo = //Get the print information from it. Also set the global variables to there default values. Modify the frame before it's sent to it's super method. (id)initWithFrame:(NSRect)frameĮxtern NSPrintOperation *globalPrintOperation I have 2 global variables to hold printing information declared outside main() function. In the subclassed NSView, I set some frame options as well, the code is below. Your image is now resized to 300 DPI, the best resolution for printing!I have a cocoa app I'm working on in which I created a customView that I want to send to the printer. Keep in mind that anything under 300 DPI (like 72 DPI for example) may not print at the highest quality ![]() This will change the inches in Width and Height automatically to how large your photo can print when set to 300 DPI. You should see a few different numbers, Like the Width, Height, and Resolution of your image The remaining width/height of your image is how large the image will print at the highest quality! For example, this image will print great up to 8x10 inches: The Image Dimensions should be 300 in the Resolution box, when set to pixels/inch. Tip: Want to make sure the DPI has been changed? Open the new photo file in Preview, and select "Tools" and "Image Size" in the top menu bar. Your image is now resized to 300 DPI, the best resolution for printing! To make this change on more than one file at a time, simply open all of the files into preview at once, and select all of the images (on the lefthand side) once they are opened in preview. Uncheck the “Resample Image” checkbox.Our team has compiled two easy ways to change the DPI of your image. Not sure if your images are low-res? Our editor will give you a low-res warning for anything below 150 DPI! An image sized to 72 DPI is great for viewing on a screen, but not as great for printing, and it is a low-res image. Photos from an iPhone/Phone or photos from online sources like Facebook or Instagram are usually 72 DPI, sized for the web rather than printing. Anything below 300 DPI may result in a loss in quality, and sometimes pixelation in the final printed product depending on how large the print is. ![]() We recommend that files be sized to 300 DPI for the highest quality print. The higher the DPI, the clearer the printed image, the lower the DPI, the more pixelated and blurry the image will print at larger sizes. DPI stands for dots per inch - the number of pixels present in each inch of a photo file.
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