static int
Clear(Engine *engine, int always)
{
XEngine *xeng = (XEngine *)engine;
if (!xeng->w) return 1;
if ((always || xeng->e.marked) && xeng->w==xeng->win) {
int tm = xeng->topMargin;
int lm = xeng->leftMargin;
if (tm || lm) {
int xmax = (int)xeng->swapped.window.xmax;
int ymax = (int)xeng->swapped.window.ymin;
if (xmax > lm+xeng->wtop) xmax = lm+xeng->wtop;
if (ymax > tm+xeng->htop) ymax = tm+xeng->htop;
if (xeng->clipping) {
p_clip(xeng->w, 0,0,0,0);
xeng->clipping = 0;
}
p_color(xeng->w, P_BG);
p_rect(xeng->w, lm, tm, xmax, ymax, 0);
} else {
p_clear(xeng->w);
}
}
if (xeng->e.colorChange) ChangePalette(engine);
xeng->e.marked = 0;
return 0;
}
static int BeginPage(PSEngine *psEngine)
{
int currentPage= psEngine->currentPage;
psEngine->e.marked= 1;
/* A change in color table can take place only at the beginning
of a page. ChangePalette strobes the palette in the Engine base
class part into the PSEngine palette. */
psEngine->nColors= 0; /* reset to mono mode */
ChangePalette((Engine *)psEngine);
if (psEngine->nchars && PutLine(psEngine)) return 1;
if (PutLine(psEngine)) return 1;
sprintf(line, "%%%%Page: %d %d", currentPage, currentPage);
if (Append(psEngine, line) || PutLine(psEngine)) return 1;
if (Append(psEngine, "%%PageBoundingBox: (atend)") ||
PutLine(psEngine)) return 1;
if (Append(psEngine, "GistPrimitives begin /PG save def GI") ||
PutLine(psEngine)) return 1;
/* Set transform viewport to reflect current page orientation */
if (psEngine->landscape != psEngine->e.landscape) {
SetPSTransform(&psEngine->e.transform, psEngine->e.landscape);
psEngine->landscape= psEngine->e.landscape;
}
if (psEngine->landscape) {
if (Append(psEngine, "LAND") ||
PutLine(psEngine)) return 1;
}
if (psEngine->e.colorMode && psEngine->e.palette &&
psEngine->e.nColors>0) {
int i, nColors= psEngine->e.nColors;
GpColorCell *palette= psEngine->e.palette;
long color;
sprintf(line, "%d CT", nColors);
if (Append(psEngine, line) || PutLine(psEngine)) return 1;
for (i=0 ; i<nColors ; i++) {
color= P_R(palette[i])<<16 | P_G(palette[i])<<8 | P_B(palette[i]);
sprintf(line, "%06lx", color);
if (Append(psEngine, line)) return 1;
}
if (psEngine->nchars && PutLine(psEngine)) return 1;
psEngine->colorMode= 1; /* color table has been written */
psEngine->nColors= nColors;
} else {
psEngine->colorMode= 0; /* NO color table exists on this page */
/* But, if there is a palette, still want to use grays */
if (psEngine->e.palette && psEngine->e.nColors>0)
psEngine->nColors= psEngine->e.nColors;
}
if (Append(psEngine, "%%EndPageSetup") || PutLine(psEngine)) return 1;
return 0;
}
void RendererBase::CreateScreen() {
imgBuf1 = new BYTE[GB_SCREEN_W*GB_SCREEN_H*3];
imgBuf2 = new BYTE[GB_SCREEN_W*GB_SCREEN_H*3];
backBuffer = imgBuf1;
frontBuffer = imgBuf2;
OnClear();
ChangePalette(SettingsGetGreenScale());
}
void DrawEntireMenuScreen(void)
{
/***** Frankly, I don't care which menu. *****/
int a;
DrawMenuBackdrop();
a=0;
while (CurrentMenuStatus[a]!=-1)
{
if (CurrentMenuStatus[a]!=0)
{
Illuminate(a);
}
else
{
DeIlluminate(a);
}
a++;
}
UpdateScreen[VideoMode]();
/* KJL 15:52:41 03/20/97 - hack from intro that's ended up here */
{
// fade in
if (WhiteOutLevel==0)
{
int fadeLevel = 0;
do
{
ResetFrameCounter();
FadePaletteToWhite(TestPalette,fadeLevel);
fadeLevel+=NormalFrameTime*4;
FrameCounterHandler();
}
while(fadeLevel<65536);
ChangePalette(TestPalette);
WhiteOutLevel=65536;
}
}
}
/*
* 以240x320,8bpp的显示模式测试TFT LCD
*/
void Test_Lcd_Tft_8Bit_240320(void)
{
Lcd_Port_Init(); // 设置LCD引脚
Tft_Lcd_Init(MODE_TFT_8BIT_240320); // 初始化LCD控制器
Lcd_PowerEnable(0, 1); // 设置LCD_PWREN有效，它用于打开LCD的电源
Lcd_EnvidOnOff(1); // 使能LCD控制器输出信号
Lcd_Palette8Bit_Init(); // 初始化调色板
ClearScr(0x0); // 清屏
printf("[TFT 64K COLOR(16bpp) LCD TEST]\n");
printf("1. Press any key to draw line\n");
getc();
DrawLine(0 , 0 , 239, 0 , 0); // 颜色为DEMO256pal[0]
DrawLine(0 , 0 , 0 , 319, 1); // 颜色为DEMO256pal[1]
DrawLine(239, 0 , 239, 319, 2); // ……
DrawLine(0 , 319, 239, 319, 4);
DrawLine(0 , 0 , 239, 319, 8);
DrawLine(239, 0 , 0 , 319, 16);
DrawLine(120, 0 , 120, 319, 32);
DrawLine(0 , 160, 239, 160, 64);
printf("2. Press any key to draw circles\n");
getc();
Mire();
printf("3. Press any key to fill the screem with one color\n");
getc();
ClearScr(128); // 输出单色图像，颜色为DEMO256pal[128]
printf("4. Press any key to fill the screem by temporary palette\n");
getc();
ClearScrWithTmpPlt(0x0000ff); // 输出单色图像，颜色为蓝色
printf("5. Press any key to fill the screem by palette\n");
getc();
DisableTmpPlt(); // 关闭临时调色板寄存器
ChangePalette(0xffff00); // 改变整个调色板为黄色，输出单色图像
printf("6. Press any key stop the testing\n");
getc();
Lcd_EnvidOnOff(0);
}