#include "compiler.h"
#include <ddraw.h>
#ifndef __GNUC__
#include <winnls32.h>
#endif
#include "resource.h"
#include "np2.h"
#include "mousemng.h"
#include "scrnmng.h"
#include "sysmng.h"
#include "pccore.h"
#include "scrndraw.h"
#include "palettes.h"
#include "menu.h"
typedef struct {
LPDIRECTDRAW ddraw1;
LPDIRECTDRAW2 ddraw2;
LPDIRECTDRAWSURFACE primsurf;
LPDIRECTDRAWSURFACE backsurf;
LPDIRECTDRAWCLIPPER clipper;
LPDIRECTDRAWPALETTE palette;
UINT8 enable;
UINT8 scrnmode;
int width;
int height;
int extend;
int cliping;
RECT scrn;
RECT rect;
#if defined(SUPPORT_16BPP)
RGB32 pal16mask;
UINT8 r16b;
UINT8 l16r;
UINT8 l16g;
UINT8 padding16;
#endif
#if defined(SUPPORT_8BPP)
PALETTEENTRY pal[256];
#endif
} DDRAW;
typedef struct {
int width;
int height;
int extend;
int multiple;
} SCRNSTAT;
static DDRAW ddraw;
SCRNMNG scrnmng;
static SCRNSTAT scrnstat;
static SCRNSURF scrnsurf;
static void setwindowsize(int width, int height) {
RECT rectwindow;
RECT rectclient;
RECT workrc;
int scx, scy;
UINT update;
GetWindowRect(hWndMain, &rectwindow);
GetClientRect(hWndMain, &rectclient);
width += rectwindow.right - rectwindow.left;
width -= rectclient.right - rectclient.left;
height += rectwindow.bottom - rectwindow.top;
height -= rectclient.bottom - rectclient.top;
SystemParametersInfo(SPI_GETWORKAREA, 0, &workrc, 0);
scx = GetSystemMetrics(SM_CXSCREEN);
scy = GetSystemMetrics(SM_CYSCREEN);
update = 0;
if (scx < width) {
np2oscfg.winx = (scx - width) / 2;
update |= SYS_UPDATEOSCFG;
}
else {
if ((np2oscfg.winx + width) > workrc.right) {
np2oscfg.winx = workrc.right - width;
update |= SYS_UPDATEOSCFG;
}
if (np2oscfg.winx < workrc.left) {
np2oscfg.winx = workrc.left;
update |= SYS_UPDATEOSCFG;
}
}
if (scy < height) {
np2oscfg.winy = (scy - height) / 2;
update |= SYS_UPDATEOSCFG;
}
else {
if ((np2oscfg.winy + height) > workrc.bottom) {
np2oscfg.winy = workrc.bottom - height;
update |= SYS_UPDATEOSCFG;
}
if (np2oscfg.winy < workrc.top) {
np2oscfg.winy = workrc.top;
update |= SYS_UPDATEOSCFG;
}
}
sysmng_update(update);
MoveWindow(hWndMain, np2oscfg.winx, np2oscfg.winy, width, height, TRUE);
}
static void renewalclientsize(void) {
int width;
int height;
int multiple;
int scrnwidth;
int scrnheight;
width = min(scrnstat.width, ddraw.width);
height = min(scrnstat.height, ddraw.height);
// `͈́`
if (ddraw.scrnmode & SCRNMODE_FULLSCREEN) {
ddraw.rect.right = width;
ddraw.rect.bottom = height;
ddraw.scrn.left = (ddraw.width - width) / 2;
ddraw.scrn.top = (ddraw.height - height) / 2;
ddraw.scrn.right = ddraw.scrn.left + width;
ddraw.scrn.bottom = ddraw.scrn.top + height;
}
else {
multiple = scrnstat.multiple;
if (!(ddraw.scrnmode & SCRNMODE_ROTATE)) {
scrnwidth = (width * multiple) >> 3;
scrnheight = (height * multiple) >> 3;
ddraw.rect.right = width;
ddraw.rect.bottom = height;
ddraw.scrn.left = 0;
ddraw.scrn.top = 0;
}
else {
scrnwidth = (height * multiple) >> 3;
scrnheight = (width * multiple) >> 3;
ddraw.rect.right = height;
ddraw.rect.bottom = width;
ddraw.scrn.left = 0;
ddraw.scrn.top = 0;
}
ddraw.scrn.right = scrnwidth;
ddraw.scrn.bottom = scrnheight;
setwindowsize(scrnwidth, scrnheight);
setwindowsize(scrnwidth, scrnheight);
}
scrnsurf.width = width;
scrnsurf.height = height;
}
static void clearoutofrect(const RECT *target, const RECT *base) {
LPDIRECTDRAWSURFACE primsurf;
DDBLTFX ddbf;
RECT rect;
primsurf = ddraw.primsurf;
if (primsurf == NULL) {
return;
}
ZeroMemory(&ddbf, sizeof(ddbf));
ddbf.dwSize = sizeof(ddbf);
ddbf.dwFillColor = 0;
rect.left = base->left;
rect.right = base->right;
rect.top = base->top;
rect.bottom = target->top;
if (rect.top < rect.bottom) {
primsurf->Blt(&rect, NULL, NULL, DDBLT_COLORFILL, &ddbf);
}
rect.top = target->bottom;
rect.bottom = base->bottom;
if (rect.top < rect.bottom) {
primsurf->Blt(&rect, NULL, NULL, DDBLT_COLORFILL, &ddbf);
}
rect.top = max(base->top, target->top);
rect.bottom = min(base->bottom, target->bottom);
if (rect.top < rect.bottom) {
rect.left = base->left;
rect.right = target->left;
if (rect.left < rect.right) {
primsurf->Blt(&rect, NULL, NULL, DDBLT_COLORFILL, &ddbf);
}
rect.left = target->right;
rect.right = base->right;
if (rect.left < rect.right) {
primsurf->Blt(&rect, NULL, NULL, DDBLT_COLORFILL, &ddbf);
}
}
}
static void clearoutscreen(void) {
RECT base;
RECT target;
GetClientRect(hWndMain, &base);
target.left = base.left + ddraw.scrn.left;
target.top = base.top + ddraw.scrn.top;
target.right = base.left + ddraw.scrn.right;
target.bottom = base.top + ddraw.scrn.bottom;
clearoutofrect(&target, &base);
}
static void clearoutfullscreen(void) {
clearoutofrect(&ddraw.scrn, &ddraw.rect);
}
#if defined(SUPPORT_8BPP)
static void paletteinit(void) {
HDC hdc;
UINT i;
hdc = GetDC(hWndMain);
GetSystemPaletteEntries(hdc, 0, 256, ddraw.pal);
ReleaseDC(hWndMain, hdc);
for (i=0; i<NP2PAL_TOTAL; i++) {
ddraw.pal[i+START_PAL].peFlags = PC_RESERVED | PC_NOCOLLAPSE;
}
ddraw.ddraw2->CreatePalette(DDPCAPS_8BIT, ddraw.pal, &ddraw.palette, 0);
ddraw.primsurf->SetPalette(ddraw.palette);
}
static void paletteset(void) {
UINT i;
if (ddraw.palette != NULL) {
for (i=0; i<NP2PAL_TOTAL; i++) {
ddraw.pal[i+START_PAL].peRed = np2_pal32[i].p.r;
ddraw.pal[i+START_PAL].peBlue = np2_pal32[i].p.b;
ddraw.pal[i+START_PAL].peGreen = np2_pal32[i].p.g;
}
ddraw.palette->SetEntries(0, START_PAL, NP2PAL_TOTAL,
&ddraw.pal[START_PAL]);
}
}
#endif
#if defined(SUPPORT_16BPP)
static void make16mask(DWORD bmask, DWORD rmask, DWORD gmask) {
UINT8 sft;
sft = 0;
while((!(bmask & 0x80)) && (sft < 32)) {
bmask <<= 1;
sft++;
}
ddraw.pal16mask.p.b = (UINT8)bmask;
ddraw.r16b = sft;
sft = 0;
while((rmask & 0xffffff00) && (sft < 32)) {
rmask >>= 1;
sft++;
}
ddraw.pal16mask.p.r = (UINT8)rmask;
ddraw.l16r = sft;
sft = 0;
while((gmask & 0xffffff00) && (sft < 32)) {
gmask >>= 1;
sft++;
}
ddraw.pal16mask.p.g = (UINT8)gmask;
ddraw.l16g = sft;
}
#endif
// ----
void scrnmng_initialize(void) {
scrnstat.width = 640;
scrnstat.height = 400;
scrnstat.extend = 0;
scrnstat.multiple = 8;
setwindowsize(640, 400);
}
BOOL scrnmng_create(UINT8 scrnmode) {
DWORD winstyle;
DWORD winstyleex;
HMENU hmenu;
LPDIRECTDRAW2 ddraw2;
DDSURFACEDESC ddsd;
DDPIXELFORMAT ddpf;
UINT bitcolor;
ZeroMemory(&scrnmng, sizeof(scrnmng));
winstyle = GetWindowLong(hWndMain, GWL_STYLE);
winstyleex = GetWindowLong(hWndMain, GWL_EXSTYLE);
hmenu = GetMenu(hWndMain);
if (scrnmode & SCRNMODE_FULLSCREEN) {
scrnmode &= ~SCRNMODE_ROTATEMASK;
scrnmng.flag = SCRNFLAG_FULLSCREEN;
winstyle &= ~(WS_CAPTION | WS_OVERLAPPED | WS_SYSMENU);
winstyle |= WS_POPUP;
winstyleex |= WS_EX_TOPMOST;
CheckMenuItem(hmenu, IDM_WINDOW, MF_UNCHECKED);
CheckMenuItem(hmenu, IDM_FULLSCREEN, MF_CHECKED);
}
else {
scrnmng.flag = SCRNFLAG_HAVEEXTEND;
winstyle |= WS_CAPTION | WS_OVERLAPPED | WS_SYSMENU;
winstyle &= ~WS_POPUP;
winstyleex &= ~WS_EX_TOPMOST;
CheckMenuItem(hmenu, IDM_WINDOW, MF_CHECKED);
CheckMenuItem(hmenu, IDM_FULLSCREEN, MF_UNCHECKED);
}
SetWindowLong(hWndMain, GWL_STYLE, winstyle);
SetWindowLong(hWndMain, GWL_EXSTYLE, winstyleex);
if (DirectDrawCreate(NULL, &ddraw.ddraw1, NULL) != DD_OK) {
goto scre_err;
}
ddraw.ddraw1->QueryInterface(IID_IDirectDraw2, (void **)&ddraw2);
ddraw.ddraw2 = ddraw2;
#if defined(SUPPORT_PC9821)
scrnmode |= SCRNMODE_HIGHCOLOR;
#endif
if (scrnmode & SCRNMODE_FULLSCREEN) {
ddraw2->SetCooperativeLevel(hWndMain,
DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT);
if (!(scrnmode & SCRNMODE_HIGHCOLOR)) {
#if defined(SUPPORT_8BPP)
bitcolor = 8;
#elif defined(SUPPORT_16BPP)
bitcolor = 16;
#elif defined(SUPPORT_32BPP)
bitcolor = 32;
#elif defined(SUPPORT_24BPP)
bitcolor = 24;
#else
goto scre_err;
#endif
}
else {
#if defined(SUPPORT_16BPP)
bitcolor = 16;
#elif defined(SUPPORT_32BPP)
bitcolor = 32;
#elif defined(SUPPORT_24BPP)
bitcolor = 24;
#else
goto scre_err;
#endif
}
if (ddraw2->SetDisplayMode(640, 480, bitcolor, 0, 0) != DD_OK) {
goto scre_err;
}
ddraw2->CreateClipper(0, &ddraw.clipper, NULL);
ddraw.clipper->SetHWnd(0, hWndMain);
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
if (ddraw2->CreateSurface(&ddsd, &ddraw.primsurf, NULL) != DD_OK) {
goto scre_err;
}
// fullscrn_clearblank();
ZeroMemory(&ddpf, sizeof(ddpf));
ddpf.dwSize = sizeof(DDPIXELFORMAT);
if (ddraw.primsurf->GetPixelFormat(&ddpf) != DD_OK) {
goto scre_err;
}
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
ddsd.dwWidth = 640;
ddsd.dwHeight = 480;
if (ddraw2->CreateSurface(&ddsd, &ddraw.backsurf, NULL) != DD_OK) {
goto scre_err;
}
}
else {
ddraw2->SetCooperativeLevel(hWndMain, DDSCL_NORMAL);
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
if (ddraw2->CreateSurface(&ddsd, &ddraw.primsurf, NULL) != DD_OK) {
goto scre_err;
}
ddraw2->CreateClipper(0, &ddraw.clipper, NULL);
ddraw.clipper->SetHWnd(0, hWndMain);
ddraw.primsurf->SetClipper(ddraw.clipper);
ZeroMemory(&ddpf, sizeof(ddpf));
ddpf.dwSize = sizeof(DDPIXELFORMAT);
if (ddraw.primsurf->GetPixelFormat(&ddpf) != DD_OK) {
goto scre_err;
}
ZeroMemory(&ddsd, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
if (!(scrnmode & SCRNMODE_ROTATE)) {
ddsd.dwWidth = 640;
ddsd.dwHeight = 480;
}
else {
ddsd.dwWidth = 480;
ddsd.dwHeight = 640;
}
if (ddraw2->CreateSurface(&ddsd, &ddraw.backsurf, NULL) != DD_OK) {
goto scre_err;
}
bitcolor = ddpf.dwRGBBitCount;
}
if (bitcolor == 8) {
#if defined(SUPPORT_8BPP)
paletteinit();
#else
goto scre_err;
#endif
}
else if (bitcolor == 16) {
#if defined(SUPPORT_16BPP)
make16mask(ddpf.dwBBitMask, ddpf.dwRBitMask, ddpf.dwGBitMask);
#else
goto scre_err;
#endif
}
else if (bitcolor == 24) {
#if !defined(SUPPORT_24BPP)
goto scre_err;
#endif
}
else if (bitcolor == 32) {
#if !defined(SUPPORT_32BPP)
goto scre_err;
#endif
}
else {
goto scre_err;
}
scrnmng.bpp = (UINT8)bitcolor;
scrnsurf.bpp = bitcolor;
ddraw.enable = TRUE;
ddraw.scrnmode = scrnmode;
ddraw.width = 640;
ddraw.height = 480;
ddraw.cliping = 0;
renewalclientsize();
return(SUCCESS);
scre_err:
scrnmng_destroy();
return(FAILURE);
}
void scrnmng_destroy(void) {
if (ddraw.backsurf) {
ddraw.backsurf->Release();
}
if (ddraw.palette) {
ddraw.palette->Release();
}
if (ddraw.clipper) {
ddraw.clipper->Release();
}
if (ddraw.primsurf) {
ddraw.primsurf->Release();
}
if (ddraw.ddraw2) {
if (ddraw.scrnmode & SCRNMODE_FULLSCREEN) {
ddraw.ddraw2->SetCooperativeLevel(hWndMain, DDSCL_NORMAL);
}
ddraw.ddraw2->Release();
}
if (ddraw.ddraw1) {
ddraw.ddraw1->Release();
}
ZeroMemory(&ddraw, sizeof(ddraw));
}
void scrnmng_querypalette(void) {
if (ddraw.palette) {
ddraw.primsurf->SetPalette(ddraw.palette);
}
}
#if defined(SUPPORT_16BPP)
UINT16 scrnmng_makepal16(RGB32 pal32) {
RGB32 pal;
pal.d = pal32.d & ddraw.pal16mask.d;
return((UINT16)((pal.p.g << ddraw.l16g) +
(pal.p.r << ddraw.l16r) + (pal.p.b >> ddraw.r16b)));
}
#endif
void scrnmng_topwinui(void) {
mousemng_disable(MOUSEPROC_WINUI);
if (!ddraw.cliping++) { // ver0.28
if (scrnmng.flag & SCRNFLAG_FULLSCREEN) {
ddraw.primsurf->SetClipper(ddraw.clipper);
}
#ifndef __GNUC__
WINNLSEnableIME(hWndMain, TRUE);
#endif
}
}
void scrnmng_clearwinui(void) {
if ((ddraw.cliping > 0) && (!(--ddraw.cliping))) {
#ifndef __GNUC__
WINNLSEnableIME(hWndMain, FALSE);
#endif
if (scrnmng.flag & SCRNFLAG_FULLSCREEN) {
ddraw.primsurf->SetClipper(0);
}
}
if (scrnmng.flag & SCRNFLAG_FULLSCREEN) {
clearoutfullscreen();
}
mousemng_enable(MOUSEPROC_WINUI);
}
void scrnmng_setwidth(int posx, int width) {
scrnstat.width = width;
renewalclientsize();
}
void scrnmng_setextend(int extend) {
(void)extend;
}
void scrnmng_setheight(int posy, int height) {
scrnstat.height = height;
renewalclientsize();
}
const SCRNSURF *scrnmng_surflock(void) {
DDSURFACEDESC destscrn;
ZeroMemory(&destscrn, sizeof(destscrn));
destscrn.dwSize = sizeof(destscrn);
if (ddraw.backsurf->Lock(NULL, &destscrn, DDLOCK_WAIT, NULL) != DD_OK) {
return(NULL);
}
if (!(ddraw.scrnmode & SCRNMODE_ROTATE)) {
scrnsurf.ptr = (UINT8 *)destscrn.lpSurface;
scrnsurf.xalign = scrnsurf.bpp >> 3;
scrnsurf.yalign = destscrn.lPitch;
}
else if (!(ddraw.scrnmode & SCRNMODE_ROTATEDIR)) {
scrnsurf.ptr = (UINT8 *)destscrn.lpSurface;
scrnsurf.ptr += (scrnsurf.width - 1) * destscrn.lPitch;
scrnsurf.xalign = 0 - destscrn.lPitch;
scrnsurf.yalign = scrnsurf.bpp >> 3;
}
else {
scrnsurf.ptr = (UINT8 *)destscrn.lpSurface;
scrnsurf.ptr += (scrnsurf.height - 1) * (scrnsurf.bpp >> 3);
scrnsurf.xalign = destscrn.lPitch;
scrnsurf.yalign = 0 - (scrnsurf.bpp >> 3);
}
return(&scrnsurf);
}
void scrnmng_surfunlock(const SCRNSURF *surf) {
ddraw.backsurf->Unlock(NULL);
scrnmng_update();
}
void scrnmng_update(void) {
POINT clip;
RECT dst;
#if defined(SUPPORT_8BPP)
if (scrnmng.palchanged) {
scrnmng.palchanged = FALSE;
paletteset();
}
#endif
if (ddraw.backsurf != NULL) {
if (ddraw.scrnmode & SCRNMODE_FULLSCREEN) {
if (scrnmng.allflash) {
scrnmng.allflash = 0;
clearoutfullscreen();
}
if (ddraw.primsurf->Blt(&ddraw.scrn, ddraw.backsurf, &ddraw.rect,
DDBLT_WAIT, NULL) == DDERR_SURFACELOST) {
ddraw.primsurf->Restore();
ddraw.backsurf->Restore();
}
}
else {
if (scrnmng.allflash) {
scrnmng.allflash = 0;
clearoutscreen();
}
clip.x = 0;
clip.y = 0;
ClientToScreen(hWndMain, &clip);
dst.left = clip.x + ddraw.scrn.left;
dst.top = clip.y + ddraw.scrn.top;
dst.right = clip.x + ddraw.scrn.right;
dst.bottom = clip.y + ddraw.scrn.bottom;
if (ddraw.primsurf->Blt(&dst, ddraw.backsurf, &ddraw.rect,
DDBLT_WAIT, NULL) == DDERR_SURFACELOST) {
ddraw.primsurf->Restore();
ddraw.backsurf->Restore();
}
}
}
}
void scrnmng_restoresize(void) {
if ((ddraw.enable) && (!(ddraw.scrnmode & SCRNMODE_FULLSCREEN))) {
renewalclientsize();
}
}
RetroPC.NET-CVS <cvs@retropc.net>
![[BACK]](/cvs/cvsweb/icons/back.gif){kind=icon}
Return to scrnmng.cpp CVS log ![[TXT]](/cvs/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvs/cvsweb/icons/dir.gif){kind=icon}
Up to [RetroPC.NET] / np2 / win9xc