- implemented read-file-to-pixmap and create-pixmap-from-data.
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frese
parent
689134ea02
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70c363f042
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@ -0,0 +1,114 @@
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#include "../xlib/xlib.h"
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#include <X11/xpm.h>
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/*void ExtractColorsymbols(s48_value v, XpmColorSymbols** CS, unsigned int* n) {
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int i; int len = S48_VECTOR_LENGTH
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*/
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void Attribs_To_XpmAttributes(s48_value attribs,
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XpmAttributes* XA) {
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int i; unsigned long mask = 0;
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for (i=0; i<9; i++) {
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s48_value v = S48_VECTOR_REF(attribs, i);
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if (S48_FALSE != v) {
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switch (i) {
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case 0: mask |= XpmVisual;
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XA->visual = SCX_EXTRACT_VISUAL(v);
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break;
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case 1: mask |= XpmColormap;
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XA->colormap = SCX_EXTRACT_COLORMAP(v);
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break;
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case 2: mask |= XpmDepth;
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XA->depth = s48_extract_integer(v);
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break;
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case 3: break; /*mask |= XpmColorSymbols;
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ExtractColorsymbols(v, XA->colorsymbols, XA->numsymbols);
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break;*/
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case 4: mask |= XpmReturnPixels; break;
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case 5: mask |= XpmExactColors;
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XA->exactColors = s48_extract_integer(v);
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break;
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case 6: mask |= XpmReturnAllocPixels; break;
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case 7: mask |= XpmAllocCloseColors;
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XA->alloc_close_colors = s48_extract_integer(v);
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break;
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case 8: mask |= XpmBitmapFormat;
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XA->bitmap_format = s48_extract_integer(v) ? XYBitmap : ZPixmap;
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break;
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}
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}
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}
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XA->valuemask = mask;
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return;
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}
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s48_value Make_XPM_Result(Pixmap* pixmap, Pixmap* shapemask,
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XpmAttributes* XA) {
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s48_value res = s48_make_vector(6, S48_FALSE);
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S48_DECLARE_GC_PROTECT(1);
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S48_GC_PROTECT_1(res);
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S48_VECTOR_SET(res, 0, SCX_ENTER_PIXMAP(*pixmap));
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S48_VECTOR_SET(res, 1, s48_cons(s48_enter_integer(XA->width),
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s48_enter_integer(XA->height)));
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if (XA->valuemask & XpmHotspot != 0)
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S48_VECTOR_SET(res, 2, s48_cons(s48_enter_integer(XA->x_hotspot),
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s48_enter_integer(XA->y_hotspot)));
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S48_VECTOR_SET(res, 3, SCX_ENTER_PIXMAP(*shapemask));
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S48_GC_UNPROTECT();
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return res;
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}
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s48_value scx_Create_Pixmap_From_Data(s48_value Xdisplay, s48_value Xdrawable,
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s48_value data,
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s48_value attribute_vector) {
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Pixmap pixmap, shapemask;
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XpmAttributes XA;
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int r, i, n = S48_VECTOR_LENGTH(data);
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char* d[n];
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for (i=0; i < n; i++)
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d[i] = s48_extract_string(S48_VECTOR_REF(data, i));
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Attribs_To_XpmAttributes(attribute_vector, &XA);
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r = XpmCreatePixmapFromData( SCX_EXTRACT_DISPLAY(Xdisplay),
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SCX_EXTRACT_DRAWABLE(Xdrawable),
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d,
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&pixmap, &shapemask,
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&XA );
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if (r == XpmNoMemory) return s48_enter_integer(0);
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else if (r == XpmFileInvalid) return s48_enter_integer(1);
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else if (r == XpmSuccess)
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return Make_XPM_Result(&pixmap, &shapemask, &XA);
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}
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s48_value scx_Read_File_To_Pixmap(s48_value Xdisplay, s48_value Xdrawable,
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s48_value filename,
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s48_value attribute_vector) {
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Pixmap pixmap, shapemask;
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XpmAttributes XA;
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int r;
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Attribs_To_XpmAttributes(attribute_vector, &XA);
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r = XpmReadFileToPixmap( SCX_EXTRACT_DISPLAY(Xdisplay),
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SCX_EXTRACT_DRAWABLE(Xdrawable),
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s48_extract_string(filename),
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&pixmap, &shapemask,
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&XA );
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if (r == XpmNoMemory) return s48_enter_integer(0);
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else if (r == XpmFileInvalid) return s48_enter_integer(1);
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else if (r == XpmOpenFailed) return s48_enter_integer(2);
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else if (r == XpmSuccess)
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return Make_XPM_Result(&pixmap, &shapemask, &XA);
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}
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void scx_init_xpm(void) {
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S48_EXPORT_FUNCTION(scx_Create_Pixmap_From_Data);
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S48_EXPORT_FUNCTION(scx_Read_File_To_Pixmap);
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}
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@ -0,0 +1,92 @@
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; Access to the xpm library
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(define-enumerated-type xpm-attribute :xpm-attribute
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xpm-attribute?
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xpm-attributes
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xpm-attribute-name
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xpm-attribute-index
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(visual colormap depth color-symbols return-pixels exact-colors
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;closeness rgb-closeness
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return-alloc-pixels alloc-close-colors
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bitmap-format
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))
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(define (name->string obj)
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(if (symbol? obj)
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(symbol->string obj)
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obj))
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(define xpm-attribute-alist->vector
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(make-enum-alist->vector
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xpm-attributes xpm-attribute-index
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(lambda (i)
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(case i
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((0) visual-Xvisual)
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((1) colormap-Xcolormap)
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((2) (lambda (x) x))
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((3) (lambda (color-symbols)
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(list->vector
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(map (lambda (mapping)
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(list->vector
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(list (name->string (car mapping))
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(name->string (cadr mapping))
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(pixel-Xpixel (caddr mapping)))))
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color-symbols))))
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((4 6) (lambda (x) x))
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((5 7) (lambda (x)
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(if x 1 0)))
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((8) (lambda (bitmap-format)
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(case bitmap-format
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((z-pixmap) 0)
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((xy-bitmap) 1)
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(else (error "illegal bitmap format" bitmap-format)))))
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))))
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(define (make-result display vec)
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(vector-set! vec 0 (make-pixmap (vector-ref vec 0)
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display #t))
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(vector-set! vec 3 (make-pixmap (vector-ref vec 3)
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display #t))
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(vector->list vec))
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(define (create-pixmap-from-data drawable data xpm-attribute-alist)
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(let ((r (%create-pixmap-from-data
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(display-Xdisplay (drawable-display drawable))
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(drawable-Xobject drawable)
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data
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(xpm-attribute-alist->vector xpm-attribute-alist))))
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(case r
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((0) (error "Not enough memory!"))
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((1) (error "Invalid XPM-File data." data))
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(else
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(make-result (drawable-display drawable) r)))))
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;-> (pixmap (width . height) (x-hot . y-hot) shape-mask)
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(import-lambda-definition %create-pixmap-from-data
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(Xdisplay Xdrawable data attribute-vector)
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"scx_Create_Pixmap_From_Data")
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;(define (create-data-from-pixmap ...))
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(define (read-file-to-pixmap drawable filename xpm-attribute-alist)
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(let ((r (%read-file-to-pixmap
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(display-Xdisplay (drawable-display drawable))
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(drawable-Xobject drawable)
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filename
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(xpm-attribute-alist->vector xpm-attribute-alist))))
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(case r
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((0) (error "Not enough memory!"))
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((1) (error "Invalid XPM-File data." filename))
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((2) (error "Open failed." filename))
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(else (make-result (drawable-display drawable) r)))))
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;-> (pixmap (width . height) (x-hot . y-hot) shape-mask)
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(import-lambda-definition %read-file-to-pixmap
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(Xdisplay Xdrawable filename attribute-vector)
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"scx_Read_File_To_Pixmap")
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;(define (write-file-from-pixmap ...))
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