BRESULT cmndraw_bmp4inf(CMNBMP *bmp, const void *ptr) {
const BMPFILE *bf;
const BMPINFO *bi;
const UINT8 *palptr;
BMPDATA inf;
UINT8 *src;
int bmpalign;
UINT pals;
UINT c;
if ((bmp == NULL) || (ptr == NULL)) {
return(FAILURE);
}
bf = (BMPFILE *)ptr;
bi = (BMPINFO *)(bf + 1);
palptr = (UINT8 *)(bi + 1);
if (((bf->bfType[0] != 'B') && (bf->bfType[1] != 'M')) ||
(bmpdata_getinfo(bi, &inf) != SUCCESS) || (inf.bpp != 4)) {
return(FAILURE);
}
pals = min(LOADINTELDWORD(bi->biClrUsed), 16);
src = (UINT8 *)bf + (LOADINTELDWORD(bf->bfOffBits));
bmpalign = bmpdata_getalign(bi);
if (inf.height > 0) {
bmp->ptr = src + ((inf.height - 1) * bmpalign);
bmp->width = inf.width;
bmp->height = inf.height;
bmp->align = bmpalign * -1;
}
else {
bmp->ptr = src;
bmp->width = inf.width;
bmp->height = inf.height * -1;
bmp->align = bmpalign;
}
bmp->pals = pals;
ZeroMemory(bmp->paltbl, sizeof(bmp->paltbl));
for (c=0; c<pals; c++) {
bmp->paltbl[c].p.b = palptr[c*4+0];
bmp->paltbl[c].p.g = palptr[c*4+1];
bmp->paltbl[c].p.r = palptr[c*4+2];
}
return(SUCCESS);
}
void dlgs_drawbmp(HDC hdc, UINT8 *bmp) {
BMPFILE *bf;
BMPINFO *bi;
BMPDATA inf;
HBITMAP hbmp;
UINT8 *image;
HDC hmdc;
if (bmp == NULL) {
return;
}
bf = (BMPFILE *)bmp;
bi = (BMPINFO *)(bf + 1);
if (bmpdata_getinfo(bi, &inf) != SUCCESS) {
goto dsdb_err1;
}
hbmp = CreateDIBSection(hdc, (BITMAPINFO *)bi, DIB_RGB_COLORS,
(void **)&image, NULL, 0);
if (hbmp == NULL) {
goto dsdb_err1;
}
CopyMemory(image, bmp + (LOADINTELDWORD(bf->bfOffBits)),
bmpdata_getdatasize(bi));
hmdc = CreateCompatibleDC(hdc);
SelectObject(hmdc, hbmp);
if (inf.height < 0) {
inf.height *= -1;
}
BitBlt(hdc, 0, 0, inf.width, inf.height, hmdc, 0, 0, SRCCOPY);
DeleteDC(hmdc);
DeleteObject(hbmp);
dsdb_err1:
_MFREE(bmp);
}
UINT8 fontpc98_read(const OEMCHAR *filename, UINT8 loading) {
FILEH fh;
BMPFILE bf;
BMPINFO bi;
UINT8 *bmpdata;
BMPDATA bd;
long fptr;
if (!(loading & FONTLOAD_16)) {
goto fr98_err1;
}
// ファイルをオープン
fh = file_open_rb(filename);
if (fh == FILEH_INVALID) {
goto fr98_err1;
}
// BITMAPFILEHEADER の読み込み
if ((file_read(fh, &bf, sizeof(bf)) != sizeof(bf)) ||
(bf.bfType[0] != 'B') || (bf.bfType[1] != 'M')) {
goto fr98_err2;
}
// BITMAPINFOHEADER の読み込み
if ((file_read(fh, &bi, sizeof(bi)) != sizeof(bi)) ||
(bmpdata_getinfo(&bi, &bd) != SUCCESS) ||
(bd.width != BMPWIDTH) || (bd.height != BMPHEIGHT) || (bd.bpp != 1) ||
(LOADINTELDWORD(bi.biSizeImage) != BMPDATASIZE)) {
goto fr98_err2;
}
// BITMAPデータ頭だし
fptr = LOADINTELDWORD(bf.bfOffBits);
if (file_seek(fh, fptr, FSEEK_SET) != fptr) {
goto fr98_err2;
}
// メモリアロケート
bmpdata = (UINT8 *)_MALLOC(BMPDATASIZE, "pc98font");
if (bmpdata == NULL) {
goto fr98_err2;
}
// BITMAPデータの読みだし
if (file_read(fh, bmpdata, BMPDATASIZE) != BMPDATASIZE) {
goto fr98_err3;
}
// 8x16 フォント(〜0x7f)を読む必要がある？
if (loading & FONT_ANK16a) {
loading &= ~FONT_ANK16a;
pc98ankcpy(fontrom + 0x80000, bmpdata, 0x000, 0x080);
}
// 8x16 フォント(0x80〜)を読む必要がある？
if (loading & FONT_ANK16b) {
loading &= ~FONT_ANK16b;
pc98ankcpy(fontrom + 0x80800, bmpdata, 0x080, 0x100);
}
// 第一水準漢字を読む必要がある？
if (loading & FONT_KNJ1) {
loading &= ~FONT_KNJ1;
pc98knjcpy(fontrom, bmpdata, 0x01, 0x30);
}
// 第二水準漢字を読む必要がある？
if (loading & FONT_KNJ2) {
loading &= ~FONT_KNJ2;
pc98knjcpy(fontrom, bmpdata, 0x30, 0x56);
}
// 拡張漢字を読む必要がある？
if (loading & FONT_KNJ3) {
loading &= ~FONT_KNJ3;
pc98knjcpy(fontrom, bmpdata, 0x58, 0x60);
}
fr98_err3:
_MFREE(bmpdata);
fr98_err2:
file_close(fh);
fr98_err1:
return(loading);
}
