RFR: 8295737: macOS: Print content cut off when width > height with portrait orientation [v7]

Tue Feb 28 20:51:12 UTC 2023

On Tue, 28 Feb 2023 18:20:50 GMT, Alexander Scherbatiy <alexsch at openjdk.org> wrote:

>> A printed content is truncated on macOS if the content paper size width larger than height with portrait orientation or width is less than height with landscape orientation.
>> 
>> To reproduce the issue run the [CutOffImage](https://bugs.openjdk.org/secure/attachment/101145/CutOffImage.java) sample on MacOS.
>> 
>> Four rectangles are printed:
>> 1. size 300x100, portrait orientation
>> 2. size 300x100, landscape orientation
>> 3. size 100x300, portrait orientation
>> 4. size 100x300, landscape orientation
>> 
>> The first and fourth rectangles are truncated: [cut off content](https://bugs.openjdk.org/secure/attachment/101153/before-fix-all.pdf)
>> 
>> The reason is that NSPrintInfo class does not allow to set paper size and orientation independently.
>> Setting paper size width large than height changes NSPrintInfo orientation to landscape.
>> Setting paper size width less than height changes NSPrintInfo orientation to portrait.
>> Updating NSPrintInfo orientation from landscape to portrait or from portrait to landscape swaps NSPrintInfo paper width and height.
>> 
>> The Cocoa code that shows NSPrintInfo behavior:
>> 
>> #import <Cocoa/Cocoa.h>
>> 
>> int main()
>> {
>>     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
>>     NSApp = [NSApplication sharedApplication];
>> 
>>     #ifdef __MAC_10_9 // code for SDK 10.9 or newer
>>     #define NS_PORTRAIT NSPaperOrientationPortrait
>>     #define NS_LANDSCAPE NSPaperOrientationLandscape
>>     #else // code for SDK 10.8 or older
>>     #define NS_PORTRAIT NSPortraitOrientation
>>     #define NS_LANDSCAPE NSLandscapeOrientation
>>     #endif
>> 
>>     printf("NS_PORTRAIT: %d\n", NS_PORTRAIT);
>>     printf("NS_LANDSCAPE: %d\n", NS_LANDSCAPE);
>> 
>>     printf("create default print info\n");
>>     NSPrintInfo* defaultPrintInfo = [[NSPrintInfo sharedPrintInfo] copy];
>>     NSSize size = [defaultPrintInfo paperSize];
>>     printf("orientation: %d, paper size: [%f, %f]\n", [defaultPrintInfo orientation], size.width, size.height);
>> 
>>     printf("call setUpPrintOperationDefaultValues\n");
>>     [defaultPrintInfo setUpPrintOperationDefaultValues];
>>     size = [defaultPrintInfo paperSize];
>>     printf("orientation: %d, paper size: [%f, %f]\n", [defaultPrintInfo orientation], size.width, size.height);
>> 
>>     double w = 300.0;
>>     double h = 100.0;
>>     printf("set size: [%f, %f]\n", w, h);
>>     [defaultPrintInfo setPaperSize:NSMakeSize(w, h)];
>>     size = [defaultPrintInfo paperSize];
>>     printf("orientation: %d, paper size: [%f, %f]\n", [defaultPrintInfo orientation], size.width, size.height);
>> 
>>     printf("Set NS_PORTRAIT orientation\n");
>>     [defaultPrintInfo setOrientation: NS_PORTRAIT];
>>     size = [defaultPrintInfo paperSize];
>>     printf("orientation: %d, paper size: [%f, %f]\n", [defaultPrintInfo orientation], size.width, size.height);
>> 
>>     [NSApp run];
>> 
>>     [NSApp release];
>>     [pool release];
>>     return(EXIT_SUCCESS);
>> } 
>> 
>> 
>> On macOS Mojave 10.14.5 it prints:
>> 
>> 
>> NS_PORTRAIT: 0
>> NS_LANDSCAPE: 1
>> create default print info
>> orientation: 0, paper size: [612.000000, 792.000000]
>> call setUpPrintOperationDefaultValues
>> orientation: 0, paper size: [612.000000, 792.000000]
>> set size: [300.000000, 100.000000]
>> orientation: 1, paper size: [300.000000, 100.000000] // orientation flip
>> Set NS_PORTRAIT orientation
>> orientation: 0, paper size: [100.000000, 300.000000] // size flip
>> ``` 
>> 
>> There are four possible cases for printing a rectangle with different size and orientation:
>> 1. Input: paper size: (w > h), orientation portrait
>>   [dstPrintInfo setPaperSize: NSMakeSize(w, h)]  // size: (w, h), orientation: landscape
>>   [dstPrintInfo setOrientation: NS_PORTRAIT]     // size: (h, w), orientation: portrait
>>   Note: width and height are swapped
>> 2. Input: paper size: (w > h), orientation landscape
>>   [dstPrintInfo setPaperSize: NSMakeSize(h, w)]  // size: (h, w), orientation: portrait
>>   [dstPrintInfo setOrientation: NS_LANDSCAPE]  // size: (w, h), orientation: landscape
>> 3. Input: paper size: (w < h), orientation portrait
>>   [dstPrintInfo setPaperSize: NSMakeSize(w, h)]  // size: (w, h), orientation: portrait
>>   [dstPrintInfo setOrientation: NS_PORTRAIT]     // size: (w, h), orientation: portrait
>> 4. Input: paper size: (w < h), orientation landscape
>>   [dstPrintInfo setPaperSize: NSMakeSize(h, w)]  // size: (h, w), orientation: landscape
>>   [dstPrintInfo setOrientation: NS_LANDSCAPE]  // size: (h, w), orientation: landscape
>>   Note: width and height are swapped
>> 
>> Only for cases 1 and 4 the final width and height are swapped.
>> The proposed fix enlarges height for cases 1 and 4 to not cut the printed rectangle.
>> 
>> It is not full fix which draws rectangles for cases 1 and 4 in the requested size.
>> Setting requested size leads that subsequent orientation flips width and height.
>> The fix only enlarges the truncated area in height direction. The enlarged area in width is preserved as before the fix.
>> 
>> Printed rectangles before and after the fix:
>> 1. size 300x100, portrait orientation: [before-fix-1.pdf](https://bugs.openjdk.org/secure/attachment/101157/before-fix-1.pdf),  [after-fix-1.pdf](https://bugs.openjdk.org/secure/attachment/101162/after-fix-1.pdf)
>> 2. size 300x100, landscape orientation: [before-fix-2.pdf](https://bugs.openjdk.org/secure/attachment/101156/before-fix-2.pdf),  [after-fix-2.pdf](https://bugs.openjdk.org/secure/attachment/101161/after-fix-2.pdf)
>> 3. size 100x300, portrait orientation: [before-fix-3.pdf](https://bugs.openjdk.org/secure/attachment/101155/before-fix-3.pdf),  [after-fix-3.pdf](https://bugs.openjdk.org/secure/attachment/101160/after-fix-3.pdf)
>> 4. size 100x300, landscape orientation: [before-fix-4.pdf](https://bugs.openjdk.org/secure/attachment/101154/before-fix-4.pdf),  [after-fix-4.pdf](https://bugs.openjdk.org/secure/attachment/101159/after-fix-4.pdf)
>> 
>> All four rectangles: [before-fix-all.pdf](https://bugs.openjdk.org/secure/attachment/101153/before-fix-all.pdf),  [after-fix-all.pdf](https://bugs.openjdk.org/secure/attachment/101158/after-fix-all.pdf)
>
> Alexander Scherbatiy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update check criteria in test instructions

Marked as reviewed by prr (Reviewer).

-------------

PR: https://git.openjdk.org/jdk/pull/10808