dvi: Add image_done method to DviDevice to notify that the image is finished

This way we can mark the surface dirty when all pixels have been
modified.

Taken from evince commit: c565f15e696db4b4cf983cdddf1e1ab273d547dc
From: Carlos Garcia Campos <[email protected]>

2 files changed, 4 insertions, 0 deletions

diff --git a/backend/dvi/mdvi-lib/bitmap.c b/backend/dvi/mdvi-lib/bitmap.c
index 53f21207..6edec1df 100644
--- a/backend/dvi/mdvi-lib/bitmap.c
+++ b/backend/dvi/mdvi-lib/bitmap.c
@@ -1028,6 +1028,8 @@ void	mdvi_shrink_glyph_grey(DviContext *dvi, DviFont *font,
 		for(x = 0; x < w; x++)
 			dev->put_pixel(image, x, y, pixels[0]);
 	}
+
+        dev->image_done(image);
 	DEBUG((DBG_BITMAPS, "shrink_glyph_grey: (%dw,%dh,%dx,%dy) -> (%dw,%dh,%dx,%dy)\n",
 		glyph->w, glyph->h, glyph->x, glyph->y,
 		dest->w, dest->h, dest->x, dest->y));
diff --git a/backend/dvi/mdvi-lib/mdvi.h b/backend/dvi/mdvi-lib/mdvi.h
index 327e61fe..37664a76 100644
--- a/backend/dvi/mdvi-lib/mdvi.h
+++ b/backend/dvi/mdvi-lib/mdvi.h
@@ -99,6 +99,7 @@ typedef void *(*DviCreateImage)	__PROTO((void *device_data,
 				         Uint bpp));
 typedef void (*DviFreeImage)	__PROTO((void *image));
 typedef void (*DviPutPixel)	__PROTO((void *image, int x, int y, Ulong color));
+typedef void (*DviImageDone)    __PROTO((void *image));
 typedef void (*DviDevDestroy)   __PROTO((void *data));
 typedef void (*DviRefresh)      __PROTO((DviContext *dvi, void *device_data));
 typedef void (*DviSetColor)	__PROTO((void *device_data, Ulong, Ulong));
@@ -114,6 +115,7 @@ struct _DviDevice {
 	DviCreateImage	create_image;
 	DviFreeImage	free_image;
 	DviPutPixel	put_pixel;
+        DviImageDone    image_done;
 	DviDevDestroy	dev_destroy;
 	DviRefresh	refresh;
 	DviSetColor	set_color;