fore_pixel = FRAME_BACKGROUND_PIXEL (f);
}
- FRAME_FOREGROUND_PIXEL (f) = fore_pixel;
+ f->output_data.w32->cursor_foreground_pixel = fore_pixel;
f->output_data.w32->cursor_pixel = pixel;
if (FRAME_W32_WINDOW (f) != 0)
char height_dpi[8];
char width_pixels[8];
char *fontname_dash;
- int display_resy = one_w32_display_info.resy;
- int display_resx = one_w32_display_info.resx;
+ int display_resy = (int) one_w32_display_info.resy;
+ int display_resx = (int) one_w32_display_info.resx;
int bufsz;
struct coding_system coding;
char name[50], weight[20], slant, pitch, pixels[10], height[10],
width[10], resy[10], remainder[50];
char * encoding;
- int dpi = one_w32_display_info.resy;
+ int dpi = (int) one_w32_display_info.resy;
fields = sscanf (lpxstr,
"-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%9[^-]-%c-%9[^-]-%49s",
}
+#ifdef HAVE_IMAGES
+DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0,
+ doc: /* Return the size of image SPEC as pair (WIDTH . HEIGHT).
+PIXELS non-nil means return the size in pixels, otherwise return the
+size in canonical character units.
+FRAME is the frame on which the image will be displayed. FRAME nil
+or omitted means use the selected frame. */)
+ (spec, pixels, frame)
+ Lisp_Object spec, pixels, frame;
+{
+ Lisp_Object size;
+
+ size = Qnil;
+ if (valid_image_p (spec))
+ {
+ struct frame *f = check_x_frame (frame);
+ int id = lookup_image (f, spec);
+ struct image *img = IMAGE_FROM_ID (f, id);
+ int width = img->width + 2 * img->hmargin;
+ int height = img->height + 2 * img->vmargin;
+
+ if (NILP (pixels))
+ size = Fcons (make_float ((double) width / CANON_X_UNIT (f)),
+ make_float ((double) height / CANON_Y_UNIT (f)));
+ else
+ size = Fcons (make_number (width), make_number (height));
+ }
+ else
+ error ("Invalid image specification");
+
+ return size;
+}
+
+
+DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0,
+ doc: /* Return t if image SPEC has a mask bitmap.
+FRAME is the frame on which the image will be displayed. FRAME nil
+or omitted means use the selected frame. */)
+ (spec, frame)
+ Lisp_Object spec, frame;
+{
+ Lisp_Object mask;
+
+ mask = Qnil;
+ if (valid_image_p (spec))
+ {
+ struct frame *f = check_x_frame (frame);
+ int id = lookup_image (f, spec);
+ struct image *img = IMAGE_FROM_ID (f, id);
+ if (img->mask)
+ mask = Qt;
+ }
+ else
+ error ("Invalid image specification");
+
+ return mask;
+}
+#endif
\f
/***********************************************************************
ascent = height / 2;
}
else
- ascent = height * img->ascent / 100.0;
+ ascent = (int) (height * img->ascent / 100.0);
return ascent;
}
\f
/* Image background colors. */
-static unsigned long
+/* Find the "best" corner color of a bitmap. XIMG is assumed to a device
+ context with the bitmap selected. */
+static COLORREF
four_corners_best (ximg, width, height)
- XImage *ximg;
+ HDC ximg;
unsigned long width, height;
{
-#if 0 /* TODO: Image support. */
- unsigned long corners[4], best;
+ COLORREF corners[4], best;
int i, best_count;
/* Get the colors at the corners of ximg. */
- corners[0] = XGetPixel (ximg, 0, 0);
- corners[1] = XGetPixel (ximg, width - 1, 0);
- corners[2] = XGetPixel (ximg, width - 1, height - 1);
- corners[3] = XGetPixel (ximg, 0, height - 1);
+ corners[0] = GetPixel (ximg, 0, 0);
+ corners[1] = GetPixel (ximg, width - 1, 0);
+ corners[2] = GetPixel (ximg, width - 1, height - 1);
+ corners[3] = GetPixel (ximg, 0, height - 1);
/* Choose the most frequently found color as background. */
for (i = best_count = 0; i < 4; ++i)
}
return best;
-#else
- return 0;
-#endif
}
/* Return the `background' field of IMG. If IMG doesn't have one yet,
struct image *img;
int pixmap_p, mask_p, colors_p;
{
-#if 0 /* TODO: W32 image support */
if (pixmap_p && img->pixmap)
{
- XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap);
- img->pixmap = None;
+ DeleteObject (img->pixmap);
+ img->pixmap = NULL;
img->background_valid = 0;
}
if (mask_p && img->mask)
{
- XFreePixmap (FRAME_X_DISPLAY (f), img->mask);
- img->mask = None;
+ DeleteObject (img->mask);
+ img->mask = NULL;
img->background_transparent_valid = 0;
}
img->colors = NULL;
img->ncolors = 0;
}
-#endif
}
/* Free X resources of image IMG which is used on frame F. */
struct frame *f;
struct image *img;
{
-#if 0 /* TODO: W32 image support */
-
if (img->pixmap)
{
BLOCK_INPUT;
- XFreePixmap (NULL, img->pixmap);
+ DeleteObject (img->pixmap);
img->pixmap = 0;
UNBLOCK_INPUT;
}
if (img->ncolors)
{
+#if 0 /* TODO: color table support */
+
int class = FRAME_W32_DISPLAY_INFO (f)->visual->class;
/* If display has an immutable color map, freeing colors is not
img->ncolors, 0);
UNBLOCK_INPUT;
}
+#endif
xfree (img->colors);
img->colors = NULL;
img->ncolors = 0;
}
-#endif
}
Lisp_Object color_name;
unsigned long dflt;
{
-#if 0 /* TODO: allocing colors. */
XColor color;
unsigned long result;
else
result = dflt;
return result;
-#endif
- return 0;
}
}
else if (NILP (mask) && found_p && img->mask)
{
- XFreePixmap (FRAME_X_DISPLAY (f), img->mask);
+ DeleteObject (img->mask);
img->mask = NULL;
}
}
W32 support code
***********************************************************************/
-#if 0 /* TODO: W32 specific image code. */
-
static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int,
XImage **, Pixmap *));
static void x_destroy_x_image P_ ((XImage *));
/* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on
frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created.
Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated
- via xmalloc. Print error messages via image_error if an error
- occurs. Value is non-zero if successful. */
+ via xmalloc. DEPTH of zero signifies a 24 bit image, otherwise
+ DEPTH should indicate the bit depth of the image. Print error
+ messages via image_error if an error occurs. Value is non-zero if
+ successful. */
static int
x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap)
XImage **ximg;
Pixmap *pixmap;
{
-#if 0 /* TODO: Image support for W32 */
- Display *display = FRAME_W32_DISPLAY (f);
- Screen *screen = FRAME_X_SCREEN (f);
- Window window = FRAME_W32_WINDOW (f);
+ BITMAPINFOHEADER *header;
+ HDC hdc;
+ int scanline_width_bits;
+ int remainder;
+ int palette_colors = 0;
- xassert (interrupt_input_blocked);
+ if (depth == 0)
+ depth = 24;
- if (depth <= 0)
- depth = one_w32_display_info.n_cbits;
- *ximg = XCreateImage (display, DefaultVisualOfScreen (screen),
- depth, ZPixmap, 0, NULL, width, height,
- depth > 16 ? 32 : depth > 8 ? 16 : 8, 0);
+ if (depth != 1 && depth != 4 && depth != 8
+ && depth != 16 && depth != 24 && depth != 32)
+ {
+ image_error ("Invalid image bit depth specified", Qnil, Qnil);
+ return 0;
+ }
+
+ scanline_width_bits = width * depth;
+ remainder = scanline_width_bits % 32;
+
+ if (remainder)
+ scanline_width_bits += 32 - remainder;
+
+ /* Bitmaps with a depth less than 16 need a palette. */
+ /* BITMAPINFO structure already contains the first RGBQUAD. */
+ if (depth < 16)
+ palette_colors = 1 << depth - 1;
+
+ *ximg = xmalloc (sizeof (XImage) + palette_colors * sizeof (RGBQUAD));
if (*ximg == NULL)
{
- image_error ("Unable to allocate X image", Qnil, Qnil);
+ image_error ("Unable to allocate memory for XImage", Qnil, Qnil);
return 0;
}
- /* Allocate image raster. */
- (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height);
+ header = &((*ximg)->info.bmiHeader);
+ bzero (&((*ximg)->info), sizeof (BITMAPINFO));
+ header->biSize = sizeof (*header);
+ header->biWidth = width;
+ header->biHeight = -height; /* negative indicates a top-down bitmap. */
+ header->biPlanes = 1;
+ header->biBitCount = depth;
+ header->biCompression = BI_RGB;
+ header->biClrUsed = palette_colors;
- /* Allocate a pixmap of the same size. */
- *pixmap = XCreatePixmap (display, window, width, height, depth);
- if (*pixmap == 0)
+ hdc = get_frame_dc (f);
+
+ /* Create a DIBSection and raster array for the bitmap,
+ and store its handle in *pixmap. */
+ *pixmap = CreateDIBSection (hdc, &((*ximg)->info), DIB_RGB_COLORS,
+ &((*ximg)->data), NULL, 0);
+
+ /* Realize display palette and garbage all frames. */
+ release_frame_dc (f, hdc);
+
+ if (*pixmap == NULL)
{
+ DWORD err = GetLastError();
+ Lisp_Object errcode;
+ /* All system errors are < 10000, so the following is safe. */
+ XSETINT (errcode, (int) err);
+ image_error ("Unable to create bitmap, error code %d", errcode, Qnil);
x_destroy_x_image (*ximg);
- *ximg = NULL;
- image_error ("Unable to create X pixmap", Qnil, Qnil);
return 0;
}
-#endif
+
return 1;
}
xassert (interrupt_input_blocked);
if (ximg)
{
- xfree (ximg->data);
+ /* Data will be freed by DestroyObject. */
ximg->data = NULL;
- XDestroyImage (ximg);
+ xfree (ximg);
}
}
XImage *ximg;
Pixmap pixmap;
{
+
+#if TODO /* W32 specific image code. */
GC gc;
-
+
xassert (interrupt_input_blocked);
gc = XCreateGC (NULL, pixmap, 0, NULL);
XPutImage (NULL, pixmap, gc, ximg, 0, 0, 0, 0, width, height);
XFreeGC (NULL, gc);
-}
-
#endif
+}
\f
/***********************************************************************
if (rc)
{
int depth = one_w32_display_info.n_cbits;
+ int planes = one_w32_display_info.n_planes;
+
unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
unsigned long background = FRAME_BACKGROUND_PIXEL (f);
Lisp_Object value;
img->background = background;
img->background_valid = 1;
}
-
-#if 0 /* TODO : Port image display to W32 */
img->pixmap
- = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f),
- FRAME_W32_WINDOW (f),
- data,
- img->width, img->height,
- foreground, background,
- depth);
-#endif
+ = CreateBitmap (img->width, img->height, planes, depth, data);
+
xfree (data);
if (img->pixmap == 0)
#endif /* TODO */
\f
+#ifdef HAVE_IMAGES /* TODO */
/***********************************************************************
Algorithms
***********************************************************************/
-#if 0 /* TODO: image support. */
static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int));
static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *));
static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int));
+static void XPutPixel (XImage *, int, int, COLORREF);
/* Non-zero means draw a cross on images having `:conversion
disabled'. */
XImage *ximg;
colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors);
-
+#if 0 /* TODO: implement image colors. */
/* Get the X image IMG->pixmap. */
ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap,
0, 0, img->width, img->height, ~0, ZPixmap);
}
XDestroyImage (ximg);
+#endif
return colors;
}
+/* Put a pixel of COLOR at position X, Y in XIMG. XIMG must have been
+ created with CreateDIBSection, with the pointer to the bit values
+ stored in ximg->data. */
+
+static void XPutPixel (ximg, x, y, color)
+ XImage * ximg;
+ int x, y;
+ COLORREF color;
+{
+ int width = ximg->info.bmiHeader.biWidth;
+ int height = ximg->info.bmiHeader.biHeight;
+ int rowbytes = width * 3;
+ unsigned char * pixel;
+
+ /* Don't support putting pixels in images with palettes. */
+ xassert (ximg->info.bmiHeader.biBitCount == 24);
+
+ /* Ensure scanlines are aligned on 4 byte boundaries. */
+ if (rowbytes % 4)
+ rowbytes += 4 - (rowbytes % 4);
+
+ pixel = ximg->data + y * rowbytes + x * 3;
+ *pixel = 255 - GetRValue (color);
+ *(pixel + 1) = 255 - GetGValue (color);
+ *(pixel + 2) = 255 - GetBValue (color);
+}
+
/* Create IMG->pixmap from an array COLORS of XColor structures, whose
RGB members are set. F is the frame on which this all happens.
XImage *oimg;
Pixmap pixmap;
XColor *p;
-
+#if 0 /* TODO: color tables. */
init_color_table ();
-
+#endif
x_create_x_image_and_pixmap (f, img->width, img->height, 0,
&oimg, &pixmap);
p = colors;
for (x = 0; x < img->width; ++x, ++p)
{
unsigned long pixel;
+#if 0 /* TODO: color tables. */
pixel = lookup_rgb_color (f, p->red, p->green, p->blue);
+#else
+ pixel = PALETTERGB (p->red, p->green, p->blue);
+#endif
XPutPixel (oimg, x, y, pixel);
}
x_put_x_image (f, oimg, pixmap, img->width, img->height);
x_destroy_x_image (oimg);
img->pixmap = pixmap;
+#if 0 /* TODO: color tables. */
img->colors = colors_in_color_table (&img->ncolors);
free_color_table ();
+#endif
}
struct frame *f;
struct image *img;
{
- struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ struct w32_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- if (dpyinfo->n_planes >= 2)
+ if (dpyinfo->n_planes * dpyinfo->n_cbits >= 2)
{
/* Color (or grayscale). Convert to gray, and equalize. Just
drawing such images with a stipple can look very odd, so
/* Draw a cross over the disabled image, if we must or if we
should. */
- if (dpyinfo->n_planes < 2 || cross_disabled_images)
+ if (dpyinfo->n_planes * dpyinfo->n_cbits < 2 || cross_disabled_images)
{
+#if 0 /* TODO: full image support */
Display *dpy = FRAME_X_DISPLAY (f);
GC gc;
img->width - 1, 0);
XFreeGC (dpy, gc);
}
+#endif
}
}
struct image *img;
Lisp_Object how;
{
+#if 0 /* TODO: full image support. */
Display *dpy = FRAME_W32_DISPLAY (f);
XImage *ximg, *mask_img;
int x, y, rc, use_img_background;
XDestroyImage (ximg);
return 1;
+#else
+ return 0;
+#endif
}
-#endif /* TODO */
-
+#endif
\f
/***********************************************************************
PBM (mono, gray, color)
|| (type != PBM_MONO && max_color_idx < 0))
goto error;
- if (!x_create_x_image_and_pixmap (f, width, height, 0,
- &ximg, &img->pixmap))
+ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
goto error;
+#if 0 /* TODO: color tables. */
/* Initialize the color hash table. */
init_color_table ();
+#endif
if (type == PBM_MONO)
{
if (r < 0 || g < 0 || b < 0)
{
- xfree (ximg->data);
- ximg->data = NULL;
- XDestroyImage (ximg);
+ x_destroy_x_image (ximg);
image_error ("Invalid pixel value in image `%s'",
img->spec, Qnil);
goto error;
}
/* RGB values are now in the range 0..max_color_idx.
- Scale this to the range 0..0xffff supported by X. */
- r = (double) r * 65535 / max_color_idx;
- g = (double) g * 65535 / max_color_idx;
- b = (double) b * 65535 / max_color_idx;
- XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
+ Scale this to the range 0..0xff supported by W32. */
+ r = (int) ((double) r * 255 / max_color_idx);
+ g = (int) ((double) g * 255 / max_color_idx);
+ b = (int) ((double) b * 255 / max_color_idx);
+ XPutPixel (ximg, x, y,
+#if 0 /* TODO: color tables. */
+ lookup_rgb_color (f, r, g, b));
+#else
+ PALETTERGB (r, g, b));
+#endif
}
}
-
+
+#if 0 /* TODO: color tables. */
/* Store in IMG->colors the colors allocated for the image, and
free the color table. */
img->colors = colors_in_color_table (&img->ncolors);
free_color_table ();
-
+#endif
/* Maybe fill in the background field while we have ximg handy. */
if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
IMAGE_BACKGROUND (img, f, ximg);
if (pfn_GetDiskFreeSpaceEx)
{
+ /* Unsigned large integers cannot be cast to double, so
+ use signed ones instead. */
LARGE_INTEGER availbytes;
LARGE_INTEGER freebytes;
LARGE_INTEGER totalbytes;
if (pfn_GetDiskFreeSpaceEx(rootname,
- &availbytes,
- &totalbytes,
- &freebytes))
+ (ULARGE_INTEGER *)&availbytes,
+ (ULARGE_INTEGER *)&totalbytes,
+ (ULARGE_INTEGER *)&freebytes))
value = list3 (make_float ((double) totalbytes.QuadPart),
make_float ((double) freebytes.QuadPart),
make_float ((double) availbytes.QuadPart));
set_frame_fontset_func = x_set_font;
check_window_system_func = check_w32;
-#if 0 /* TODO Image support for W32 */
+#ifdef IMAGES
/* Images. */
Qxbm = intern ("xbm");
staticpro (&Qxbm);
staticpro (&QCrelief);
Qpostscript = intern ("postscript");
staticpro (&Qpostscript);
+#if 0 /* TODO: These need entries at top of file. */
QCloader = intern (":loader");
staticpro (&QCloader);
QCbounding_box = intern (":bounding-box");
staticpro (&QCpt_width);
QCpt_height = intern (":pt-height");
staticpro (&QCpt_height);
+#endif
QCindex = intern (":index");
staticpro (&QCindex);
Qpbm = intern ("pbm");
staticpro (&Qpbm);
+#endif
#if HAVE_XPM
Qxpm = intern ("xpm");
staticpro (&Qpng);
#endif
+#ifdef HAVE_IMAGES
defsubr (&Sclear_image_cache);
+ defsubr (&Simage_size);
+ defsubr (&Simage_mask_p);
+#endif
#if GLYPH_DEBUG
defsubr (&Simagep);
defsubr (&Slookup_image);
#endif
-#endif /* TODO */
hourglass_atimer = NULL;
hourglass_shown_p = 0;
image_types = NULL;
Vimage_types = Qnil;
+#if HAVE_PBM
+ define_image_type (&pbm_type);
+#endif
+
#if 0 /* TODO : Image support for W32 */
define_image_type (&xbm_type);
define_image_type (&gs_type);
- define_image_type (&pbm_type);
+#endif
#if HAVE_XPM
define_image_type (&xpm_type);
#if HAVE_PNG
define_image_type (&png_type);
#endif
-#endif /* TODO */
}
#undef abort
projects / emacs.git / commitdiff