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add rCursor support.

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This commit is contained in:
Kelvin Sherlock 2023-02-07 22:19:03 -05:00
parent 522f804be5
commit d616602109
1 changed files with 114 additions and 24 deletions
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138
DeRezIcon.c
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@ -10,6 +10,14 @@
#include <memory.h>
/*
* This will DeRez icons and cursors from a resource file.
*
* Essentially "DeRez file Types.Rez" but with prettier output.
*
*/
typedef struct IconHeader {
Word iconType; // bit 15 = color (1) or b/w (0)
Word iconSize; // number of bytes
@ -19,6 +27,22 @@ typedef struct IconHeader {
// Byte iconMask[iconSize];
} IconHeader;
typedef struct CursorHeader {
Word cursorHeight; // height, in pixels
Word cursorWidth; // width, in pixels.
// Byte cursorImage[height*width]
// Byte cursorMask[height*width]
//
} CursorHeader;
typedef struct CursorTrailer {
Word cursorY; // hotspot Y
Word cursorX; // hotspot X.
Word cursorFlags; // cursor ID
// 8 bytes filler
} CursorTrailer;
GSString255Ptr c2gs(const char *cp) {
GSString255Ptr gs;
@ -48,28 +72,14 @@ void dump(const unsigned char *ptr, unsigned count) {
fputs("\"\n", stdout);
}
void one_icon(const char *name, ResID id) {
void one_icon(ResID id, ResAttr attr, unsigned char *ptr, unsigned long length) {
Handle h;
unsigned char *ptr;
IconHeader *header;
ResAttr attr;
unsigned hh;
unsigned ww;
unsigned i;
attr = GetResourceAttr(rIcon, id);
h = LoadResource(rIcon, id);
if (_toolErr) {
fprintf(stderr, "%s: LoadResource: $%04x\n", name, _toolErr);
}
HLock(h);
header = *(IconHeader **)h;
header = (IconHeader *)ptr;
hh = header->iconHeight;
ww = header->iconWidth >> 1;
@ -79,7 +89,7 @@ void one_icon(const char *name, ResID id) {
printf(" %u, // height\n", header->iconHeight);
printf(" %u, // width\n\n", header->iconWidth);
ptr = ((unsigned char *)header) + sizeof(IconHeader);
ptr += sizeof(IconHeader);
// print the icon
for (i = 0; i < hh; ++i) {
@ -94,14 +104,54 @@ void one_icon(const char *name, ResID id) {
dump(ptr, ww);
ptr += ww;
}
printf("}\n\n");
ReleaseResource(-1, rIcon, id);
HUnlock(h);
printf("};\n\n");
}
void one_cursor(ResID id, ResAttr attr, unsigned char *ptr, unsigned long length) {
CursorHeader *header;
CursorTrailer *trailer;
unsigned hh;
unsigned ww;
unsigned i;
header = (CursorHeader *)ptr;
hh = header->cursorHeight;
ww = (header->cursorWidth ) << 1;
printf("resource rCursor(%lu, $%04x) {\n", id, attr);
printf(" %u, // height\n", header->cursorHeight);
printf(" %u, // width (%d bytes)\n\n", header->cursorWidth, ww << 1);
ptr += sizeof(CursorHeader);
// print the cursor
for (i = 0; i < hh; ++i) {
dump(ptr, ww);
ptr += ww;
}
printf(" ,\n");
// print the mask
for (i = 0; i < hh; ++i) {
dump(ptr, ww);
ptr += ww;
}
printf(" ,\n");
trailer = (CursorTrailer *)ptr;
printf(" %u, // hotspot Y\n", trailer->cursorY);
printf(" %u, // hotspot X\n\n", trailer->cursorX);
printf(" $%02x // flags (%d mode)\n", trailer->cursorFlags, trailer->cursorFlags & 0x80 ? 640 : 320);
printf("};\n\n");
}
void one_file(const char *name) {
GSString255Ptr gname;
unsigned rfd;
@ -120,16 +170,56 @@ void one_file(const char *name) {
depth = SetResourceFileDepth(1);
// icons
for (ri = 1; ; ++ri) {
Handle h;
ResAttr attr;
ResID id = GetIndResource(rIcon, ri);
if (_toolErr == resIndexRange) break;
if (_toolErr) {
fprintf(stderr, "%s: GetIndResource: $%04x\n", name, _toolErr);
continue;
}
one_icon(name, id);
attr = GetResourceAttr(rIcon, id);
h = LoadResource(rIcon, id);
if (_toolErr) {
fprintf(stderr, "%s: LoadResource: $%04x\n", name, _toolErr);
continue;
}
HLock(h);
one_icon(id, attr, *(char **)h, GetHandleSize(h));
HUnlock(h);
ReleaseResource(-1, rIcon, id);
}
// cursors
for (ri = 1; ; ++ri) {
Handle h;
ResAttr attr;
ResID id = GetIndResource(rCursor, ri);
if (_toolErr == resIndexRange) break;
if (_toolErr) {
fprintf(stderr, "%s: GetIndResource: $%04x\n", name, _toolErr);
continue;
}
attr = GetResourceAttr(rCursor, id);
h = LoadResource(rCursor, id);
if (_toolErr) {
fprintf(stderr, "%s: LoadResource: $%04x\n", name, _toolErr);
continue;
}
HLock(h);
one_cursor(id, attr, *(char **)h, GetHandleSize(h));
HUnlock(h);
ReleaseResource(-1, rCursor, id);
}
SetResourceFileDepth(depth);
CloseResourceFile(rfd);
free(gname);