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Add -Wall for gcc.

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Sun Jul  9 18:15:58 2000  Owen Taylor  <otaylor@redhat.com>

	* configure.in (ACLOCAL): Add -Wall for gcc.

	* src/pixbuf-render.c (pixbuf_render): Fix problem
	using gdk_rectangle_intersect() from GTK+-1.2.

	* src/pixbuf-render.c src/pixbuf-draw.c: Remove
	direct access to pixbuf internals.
This commit is contained in:
Owen Taylor 2000-07-09 22:18:21 +00:00 committed by Owen Taylor
parent c70fd21648
commit 06df244dd5
4 changed files with 86 additions and 54 deletions
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10
modules/engines/pixbuf/ChangeLog
View File

@ -1,3 +1,13 @@
Sun Jul 9 18:15:58 2000 Owen Taylor <otaylor@redhat.com>
* configure.in (ACLOCAL): Add -Wall for gcc.
* src/pixbuf-render.c (pixbuf_render): Fix problem
using gdk_rectangle_intersect() from GTK+-1.2.
* src/pixbuf-render.c src/pixbuf-draw.c: Remove
direct access to pixbuf internals.
Mon Mar 6 11:44:58 2000 Owen Taylor <otaylor@redhat.com>
* docs/gap-geometry.fig: Moved into docs/ subdir

2
modules/engines/pixbuf/Makefile.am
View File

@ -11,4 +11,4 @@ libpixmap_la_SOURCES = \
pixbuf.h
libpixmap_la_LDFLAGS = -module -avoid-version
libpixmap_la_LIBADD =
libpixmap_la_LIBADD = -lgdk_pixbuf

14
modules/engines/pixbuf/pixbuf-draw.c
View File

@ -20,8 +20,10 @@
* Carsten Haitzler <raster@rasterman.com>
*/
#include "pixbuf.h"
#include <math.h>
#include <string.h>
#include "pixbuf.h"
static ThemeImage *
match_theme_image(GtkStyle *style,
@ -124,7 +126,7 @@ draw_simple_image(GtkStyle *style,
gdk_window_get_type (window) != GDK_WINDOW_PIXMAP)
{
GdkPixbuf *pixbuf = theme_pixbuf_get_pixbuf (image->background);
if (pixbuf && pixbuf->art_pixbuf->has_alpha)
if (pixbuf && gdk_pixbuf_get_has_alpha (pixbuf))
mask = gdk_pixmap_new (window, width, height, 1);
}
@ -208,7 +210,7 @@ draw_gap_image(GtkStyle *style,
{
case GTK_POS_TOP:
if (pixbuf)
thickness = pixbuf->art_pixbuf->height;
thickness = gdk_pixbuf_get_height (pixbuf);
else
thickness = style->klass->ythickness;
@ -231,7 +233,7 @@ draw_gap_image(GtkStyle *style,
case GTK_POS_BOTTOM:
if (pixbuf)
thickness = pixbuf->art_pixbuf->height;
thickness = gdk_pixbuf_get_height (pixbuf);
else
thickness = style->klass->ythickness;
@ -254,7 +256,7 @@ draw_gap_image(GtkStyle *style,
case GTK_POS_LEFT:
if (pixbuf)
thickness = pixbuf->art_pixbuf->width;
thickness = gdk_pixbuf_get_width (pixbuf);
else
thickness = style->klass->xthickness;
@ -277,7 +279,7 @@ draw_gap_image(GtkStyle *style,
case GTK_POS_RIGHT:
if (pixbuf)
thickness = pixbuf->art_pixbuf->width;
thickness = gdk_pixbuf_get_width (pixbuf);
else
thickness = style->klass->xthickness;

114
modules/engines/pixbuf/pixbuf-render.c
View File

@ -25,6 +25,10 @@
GCache *pixbuf_cache = NULL;
/* Scale the rectangle (src_x, src_y, src_width, src_height)
* onto the rectangle (dest_x, dest_y, dest_width, dest_height)
* of the destination, clip by clip_rect and render
*/
static void
pixbuf_render (GdkPixbuf *src,
GdkWindow *window,
@ -42,6 +46,9 @@ pixbuf_render (GdkPixbuf *src,
GdkPixbuf *tmp_pixbuf;
GdkRectangle rect;
int x_offset, y_offset;
gboolean has_alpha = gdk_pixbuf_get_has_alpha (src);
gint src_rowstride = gdk_pixbuf_get_rowstride (src);
gint src_n_channels = gdk_pixbuf_get_n_channels (src);
if (dest_width <= 0 || dest_height <= 0)
return;
@ -51,45 +58,53 @@ pixbuf_render (GdkPixbuf *src,
rect.width = dest_width;
rect.height = dest_height;
/* FIXME: we need the full mask, not a partial mask; the following is, however,
* horribly expensive
/* FIXME: Because we use the mask to shape windows, we don't use
* clip_rect to clip what we draw to the mask, only to clip
* what we actually draw. But this leads to the horrible ineffiency
* of scale the whole image to get a little bit of it.
*/
if (!mask && clip_rect && !gdk_rectangle_intersect (clip_rect, &rect, &rect))
return;
if (dest_width != src->art_pixbuf->width ||
dest_height != src->art_pixbuf->height)
if (!mask && clip_rect)
{
ArtPixBuf *partial_src_art;
GdkPixbuf *partial_src_gdk;
if (src->art_pixbuf->n_channels == 3)
{
partial_src_art =
art_pixbuf_new_const_rgb (src->art_pixbuf->pixels + src_y * src->art_pixbuf->rowstride + src_x * src->art_pixbuf->n_channels,
src_width,
src_height,
src->art_pixbuf->rowstride);
}
else
{
partial_src_art =
art_pixbuf_new_const_rgba (src->art_pixbuf->pixels + src_y * src->art_pixbuf->rowstride + src_x * src->art_pixbuf->n_channels,
src_width,
src_height,
src->art_pixbuf->rowstride);
}
partial_src_gdk = gdk_pixbuf_new_from_art_pixbuf (partial_src_art);
tmp_pixbuf = gdk_pixbuf_new (ART_PIX_RGB, src->art_pixbuf->has_alpha, 8, rect.width, rect.height);
gdk_pixbuf_scale (partial_src_gdk, tmp_pixbuf, 0, 0, rect.width, rect.height,
dest_x - rect.x, dest_y - rect.y,
(double)dest_width / src_width, (double)dest_height / src_height,
ART_FILTER_BILINEAR);
gdk_pixbuf_unref (partial_src_gdk);
/* The temporary is necessary only for GDK+-1.2, and not
* for later versions of GDK, where you can have the
* same source and dest for gdk_rectangle_intersect().
*/
GdkRectangle tmp_rect = rect;
if (!gdk_rectangle_intersect (clip_rect, &tmp_rect, &rect))
return;
}
if (dest_width != src_width ||
dest_height != src_height)
{
double x_scale = (double)dest_width / src_width;
double y_scale = (double)dest_height / src_height;
guchar *pixels;
GdkPixbuf *partial_src;
pixels = (gdk_pixbuf_get_pixels (src)
+ src_y * src_rowstride
+ src_x * src_n_channels);
partial_src = gdk_pixbuf_new_from_data (pixels, GDK_COLORSPACE_RGB,
has_alpha,
8, src_width, src_height,
src_rowstride,
NULL, NULL);
tmp_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
has_alpha, 8,
rect.width, rect.height);
gdk_pixbuf_scale (partial_src, tmp_pixbuf,
0, 0, rect.width, rect.height,
dest_x - rect.x, dest_y - rect.y,
x_scale, y_scale,
GDK_INTERP_BILINEAR);
gdk_pixbuf_unref (partial_src);
x_offset = 0;
y_offset = 0;
}
@ -113,6 +128,9 @@ pixbuf_render (GdkPixbuf *src,
128);
tmp_gc = gdk_gc_new (window);
if (clip_rect)
gdk_gc_set_clip_rectangle (tmp_gc, clip_rect);
gdk_pixbuf_render_to_drawable (tmp_pixbuf, window, tmp_gc,
x_offset, y_offset,
rect.x, rect.y,
@ -233,6 +251,8 @@ theme_pixbuf_render (ThemePixbuf *theme_pb,
{
GdkPixbuf *pixbuf = theme_pixbuf_get_pixbuf (theme_pb);
gint src_x[4], src_y[4], dest_x[4], dest_y[4];
gint pixbuf_width = gdk_pixbuf_get_width (pixbuf);
gint pixbuf_height = gdk_pixbuf_get_height (pixbuf);
if (!pixbuf)
return;
@ -241,13 +261,13 @@ theme_pixbuf_render (ThemePixbuf *theme_pb,
{
src_x[0] = 0;
src_x[1] = theme_pb->border_left;
src_x[2] = pixbuf->art_pixbuf->width - theme_pb->border_right;
src_x[3] = pixbuf->art_pixbuf->width;
src_x[2] = pixbuf_width - theme_pb->border_right;
src_x[3] = pixbuf_width;
src_y[0] = 0;
src_y[1] = theme_pb->border_top;
src_y[2] = pixbuf->art_pixbuf->height - theme_pb->border_bottom;
src_y[3] = pixbuf->art_pixbuf->height;
src_y[2] = pixbuf_height - theme_pb->border_bottom;
src_y[3] = pixbuf_height;
dest_x[0] = x;
dest_x[1] = x + theme_pb->border_left;
@ -300,14 +320,14 @@ theme_pixbuf_render (ThemePixbuf *theme_pb,
{
if (center)
{
x += (width - pixbuf->art_pixbuf->width) / 2;
y += (height - pixbuf->art_pixbuf->height) / 2;
x += (width - pixbuf_width) / 2;
y += (height - pixbuf_height) / 2;
pixbuf_render (pixbuf, window, NULL, clip_rect,
0, 0,
pixbuf->art_pixbuf->width, pixbuf->art_pixbuf->height,
pixbuf_width, pixbuf_height,
x, y,
pixbuf->art_pixbuf->width, pixbuf->art_pixbuf->height);
pixbuf_width, pixbuf_height);
}
else
{
@ -316,14 +336,14 @@ theme_pixbuf_render (ThemePixbuf *theme_pb,
GdkGCValues gc_values;
tmp_pixmap = gdk_pixmap_new (window,
pixbuf->art_pixbuf->width,
pixbuf->art_pixbuf->height,
pixbuf_width,
pixbuf_height,
-1);
tmp_gc = gdk_gc_new (tmp_pixmap);
gdk_pixbuf_render_to_drawable (pixbuf, tmp_pixmap, tmp_gc,
0, 0,
0, 0,
pixbuf->art_pixbuf->width, pixbuf->art_pixbuf->height,
pixbuf_width, pixbuf_height,
GDK_RGB_DITHER_NORMAL,
0, 0);
gdk_gc_unref (tmp_gc);