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https://github.com/Ponce/slackbuilds
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110 lines
3.7 KiB
Diff
110 lines
3.7 KiB
Diff
Author: Goedson Teixeira Paixao <goedson@debian.org>
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Description: Fixes rotation operations
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Implement the rotation in multiples of 90 degrees using the
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gdk_pixbuf_rotate_simple function instead of the custom (and broken)
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rotation algorithm
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Bug-Debian: http://bugs.debian.org/497487
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Bug-Ubuntu: https://bugs.edge.launchpad.net/ubuntu/+source/gpaint/+bug/262942
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Forwarded: https://savannah.gnu.org/patch/?6643
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Index: b/src/drawing.c
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===================================================================
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--- a/src/drawing.c 2009-12-19 17:12:10.000000000 -0200
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+++ b/src/drawing.c 2009-12-19 17:12:11.000000000 -0200
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@@ -462,12 +462,23 @@
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}
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void
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-drawing_rotate(gpaint_drawing *drawing, double degrees)
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+drawing_rotate(gpaint_drawing *drawing, int degrees)
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{
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gpaint_image *image = drawing_create_image(drawing);
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if (image)
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{
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- image_rotate(image, degrees);
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+ switch (degrees)
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+ {
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+ case 0:
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+ case 90:
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+ case 180:
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+ case 270:
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+ image_rotate_simple(image, degrees);
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+ break;
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+ default:
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+ image_rotate(image, degrees);
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+ break;
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+ }
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/* copy rotated image on the pixmap */
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gdk_pixmap_unref(drawing->backing_pixmap);
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Index: b/src/drawing.h
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===================================================================
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--- a/src/drawing.h 2009-12-19 17:11:48.000000000 -0200
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+++ b/src/drawing.h 2009-12-19 17:12:11.000000000 -0200
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@@ -58,6 +58,6 @@
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void drawing_clear(gpaint_drawing *drawing);
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void drawing_clear_selection(gpaint_drawing *drawing, gpaint_point_array *points);
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gboolean drawing_prompt_to_save(gpaint_drawing *drawing);
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-void drawing_rotate(gpaint_drawing *drawing, double degrees);
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+void drawing_rotate(gpaint_drawing *drawing, int degrees);
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#endif
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Index: b/src/image.c
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===================================================================
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--- a/src/image.c 2009-12-19 17:11:48.000000000 -0200
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+++ b/src/image.c 2009-12-19 17:12:11.000000000 -0200
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@@ -628,6 +628,27 @@
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return 0;
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}
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+int
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+image_rotate_simple (gpaint_image *image, int degrees)
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+{
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+ GdkPixbuf *newpixbuf;
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+
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+ switch (degrees)
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+ {
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+ case GDK_PIXBUF_ROTATE_NONE:
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+ case GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE:
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+ case GDK_PIXBUF_ROTATE_UPSIDEDOWN:
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+ case GDK_PIXBUF_ROTATE_CLOCKWISE:
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+ newpixbuf = gdk_pixbuf_rotate_simple (image->pixbuf, degrees);
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+ gdk_pixbuf_unref (image->pixbuf);
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+ image->pixbuf = newpixbuf;
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+ return 0;
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+ break;
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+ default:
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+ return 1;
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+ }
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+}
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+
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GdkPixbuf* image_pixbuf(gpaint_image* image) {
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return image->pixbuf;
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Index: b/src/image.h
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===================================================================
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--- a/src/image.h 2009-12-19 17:11:48.000000000 -0200
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+++ b/src/image.h 2009-12-19 17:12:11.000000000 -0200
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@@ -45,5 +45,6 @@
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int image_flip_x(gpaint_image *image);
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int image_flip_y(gpaint_image *image);
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int image_rotate(gpaint_image *image, double radians);
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+int image_rotate_simple(gpaint_image *image, int degrees);
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GdkPixbuf* image_pixbuf(gpaint_image *image);
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#endif
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Index: b/src/menu.c
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===================================================================
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--- a/src/menu.c 2009-12-19 17:12:10.000000000 -0200
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+++ b/src/menu.c 2009-12-19 17:12:11.000000000 -0200
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@@ -486,9 +486,9 @@
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sscanf(name, "rotate_%c%d_menu", &sign, °rees);
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debug2("sign = %c degrees = %d", sign, degrees);
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- if (sign=='n')
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+ if (sign=='p')
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{
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- degrees *= -1;
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+ degrees = 360 - degrees;
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}
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canvas_focus_lost(canvas);
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drawing_rotate(canvas->drawing, degrees);
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