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begin work on rotation

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This commit is contained in:
StapleButter 2017-11-09 00:04:01 +01:00
parent bb87a709be
commit 34513063ab
1 changed files with 128 additions and 31 deletions
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159
src/libui_sdl/main.cpp
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@ -63,12 +63,15 @@ u32 ScreenBuffer[256*384];
int ScreenGap = 0;
int ScreenLayout = 0;
int ScreenSizing = 0;
int ScreenRotation = 0;
int MainScreenPos[3];
int AutoScreenSizing;
uiRect TopScreenRect;
uiRect BottomScreenRect;
uiDrawMatrix TopScreenTrans;
uiDrawMatrix BottomScreenTrans;
bool Touching = false;
@ -299,8 +302,22 @@ void OnAreaDraw(uiAreaHandler* handler, uiArea* area, uiAreaDrawParams* params)
uiDrawBitmapUpdate(ScreenBitmap, ScreenBuffer);
uiDrawSave(params->Context);
uiDrawTransform(params->Context, &TopScreenTrans);
uiDrawBitmapDraw(params->Context, ScreenBitmap, &top, &TopScreenRect);
uiDrawRestore(params->Context);
/*uiDrawMatrix blirg;
uiDrawMatrixSetIdentity(&blirg);
uiDrawMatrixTranslate(&blirg, -BottomScreenRect.X, -BottomScreenRect.Y);
uiDrawMatrixRotate(&blirg, 0, 0, -M_PI/2.0f);//3.14);
uiDrawMatrixTranslate(&blirg, BottomScreenRect.X, BottomScreenRect.Y+BottomScreenRect.Height);
//uiDrawMatrixScale(&blirg, 128, 192, 2, 2);
uiDrawTransform(params->Context, &blirg);*/
uiDrawSave(params->Context);
uiDrawTransform(params->Context, &BottomScreenTrans);
uiDrawBitmapDraw(params->Context, ScreenBitmap, &bot, &BottomScreenRect);
uiDrawRestore(params->Context);
}
void OnAreaMouseEvent(uiAreaHandler* handler, uiArea* area, uiAreaMouseEvent* evt)
@ -378,10 +395,16 @@ int OnAreaKeyEvent(uiAreaHandler* handler, uiArea* area, uiAreaKeyEvent* evt)
void SetupScreenRects(int width, int height)
{
bool horizontal = false;
bool sideways = false;
ScreenRotation = 3; // TEST 1=90 CW 2=180 3=270
if (ScreenRotation == 1 || ScreenRotation == 3)
sideways = true;
if (ScreenLayout == 2) horizontal = true;
else if (ScreenLayout == 0)
{
// TODO: make it horizontal if rotation is used, whenever that is implemented
if (sideways)
horizontal = true;
}
int sizemode;
@ -390,12 +413,30 @@ void SetupScreenRects(int width, int height)
else
sizemode = ScreenSizing;
// blarg.
// should be changed if rotation is used
// (also TODO: swap top/bottom screen if needed)
int screenW = 256;
int screenH = 192;
horizontal = true; // TEST
int screenW, screenH;
if (sideways)
{
screenW = 192;
screenH = 256;
}
else
{
screenW = 256;
screenH = 192;
}
uiRect *topscreen, *bottomscreen;
if (ScreenRotation == 1 || ScreenRotation == 2)
{
topscreen = &BottomScreenRect;
bottomscreen = &TopScreenRect;
}
else
{
topscreen = &TopScreenRect;
bottomscreen = &BottomScreenRect;
}
//horizontal = true; // TEST
if (horizontal)
{
// side-by-side
@ -430,30 +471,30 @@ horizontal = true; // TEST
if (sizemode == 2)
{
TopScreenRect.Width = screenW;
TopScreenRect.Height = screenH;
topscreen->Width = screenW;
topscreen->Height = screenH;
}
else
{
TopScreenRect.Width = (sizemode==0) ? (width / 2) : (width - screenW);
TopScreenRect.Height = heightreq;
topscreen->Width = (sizemode==0) ? (width / 2) : (width - screenW);
topscreen->Height = heightreq;
}
TopScreenRect.X = startX;
TopScreenRect.Y = ((height - heightreq) / 2) + (heightreq - TopScreenRect.Height);
topscreen->X = startX;
topscreen->Y = ((height - heightreq) / 2) + (heightreq - topscreen->Height);
BottomScreenRect.X = TopScreenRect.X + TopScreenRect.Width + ScreenGap;
bottomscreen->X = topscreen->X + topscreen->Width + ScreenGap;
if (sizemode == 1)
{
BottomScreenRect.Width = screenW;
BottomScreenRect.Height = screenH;
bottomscreen->Width = screenW;
bottomscreen->Height = screenH;
}
else
{
BottomScreenRect.Width = width - TopScreenRect.Width;
BottomScreenRect.Height = heightreq;
bottomscreen->Width = width - topscreen->Width;
bottomscreen->Height = heightreq;
}
BottomScreenRect.Y = ((height - heightreq) / 2) + (heightreq - BottomScreenRect.Height);
bottomscreen->Y = ((height - heightreq) / 2) + (heightreq - bottomscreen->Height);
}
else
{
@ -489,30 +530,86 @@ horizontal = true; // TEST
if (sizemode == 2)
{
TopScreenRect.Width = screenW;
TopScreenRect.Height = screenH;
topscreen->Width = screenW;
topscreen->Height = screenH;
}
else
{
TopScreenRect.Width = widthreq;
TopScreenRect.Height = (sizemode==0) ? (height / 2) : (height - screenH);
topscreen->Width = widthreq;
topscreen->Height = (sizemode==0) ? (height / 2) : (height - screenH);
}
TopScreenRect.Y = startY;
TopScreenRect.X = (width - TopScreenRect.Width) / 2;
topscreen->Y = startY;
topscreen->X = (width - topscreen->Width) / 2;
BottomScreenRect.Y = TopScreenRect.Y + TopScreenRect.Height + ScreenGap;
bottomscreen->Y = topscreen->Y + topscreen->Height + ScreenGap;
if (sizemode == 1)
{
BottomScreenRect.Width = screenW;
BottomScreenRect.Height = screenH;
bottomscreen->Width = screenW;
bottomscreen->Height = screenH;
}
else
{
BottomScreenRect.Width = widthreq;
BottomScreenRect.Height = height - TopScreenRect.Height;
bottomscreen->Width = widthreq;
bottomscreen->Height = height - topscreen->Height;
}
BottomScreenRect.X = (width - BottomScreenRect.Width) / 2;
bottomscreen->X = (width - bottomscreen->Width) / 2;
}
// setup matrices for potential rotation
uiDrawMatrixSetIdentity(&TopScreenTrans);
uiDrawMatrixSetIdentity(&BottomScreenTrans);
switch (ScreenRotation)
{
case 1: // 90°
{
uiDrawMatrixTranslate(&TopScreenTrans, -TopScreenRect.X, -TopScreenRect.Y);
uiDrawMatrixRotate(&TopScreenTrans, 0, 0, M_PI/2.0f);
uiDrawMatrixScale(&TopScreenTrans, 0, 0,
TopScreenRect.Width/(double)TopScreenRect.Height,
TopScreenRect.Height/(double)TopScreenRect.Width);
uiDrawMatrixTranslate(&TopScreenTrans, TopScreenRect.X+TopScreenRect.Width, TopScreenRect.Y);
uiDrawMatrixTranslate(&BottomScreenTrans, -BottomScreenRect.X, -BottomScreenRect.Y);
uiDrawMatrixRotate(&BottomScreenTrans, 0, 0, M_PI/2.0f);
uiDrawMatrixScale(&BottomScreenTrans, 0, 0,
BottomScreenRect.Width/(double)BottomScreenRect.Height,
BottomScreenRect.Height/(double)BottomScreenRect.Width);
uiDrawMatrixTranslate(&BottomScreenTrans, BottomScreenRect.X+BottomScreenRect.Width, BottomScreenRect.Y);
}
break;
case 2: // 180°
{
uiDrawMatrixTranslate(&TopScreenTrans, -TopScreenRect.X, -TopScreenRect.Y);
uiDrawMatrixRotate(&TopScreenTrans, 0, 0, M_PI);
uiDrawMatrixTranslate(&TopScreenTrans, TopScreenRect.X+TopScreenRect.Width, TopScreenRect.Y+TopScreenRect.Height);
uiDrawMatrixTranslate(&BottomScreenTrans, -BottomScreenRect.X, -BottomScreenRect.Y);
uiDrawMatrixRotate(&BottomScreenTrans, 0, 0, M_PI);
uiDrawMatrixTranslate(&BottomScreenTrans, BottomScreenRect.X+BottomScreenRect.Width, BottomScreenRect.Y+BottomScreenRect.Height);
}
break;
case 3: // 270°
{
uiDrawMatrixTranslate(&TopScreenTrans, -TopScreenRect.X, -TopScreenRect.Y);
uiDrawMatrixRotate(&TopScreenTrans, 0, 0, -M_PI/2.0f);
uiDrawMatrixScale(&TopScreenTrans, 0, 0,
TopScreenRect.Width/(double)TopScreenRect.Height,
TopScreenRect.Height/(double)TopScreenRect.Width);
uiDrawMatrixTranslate(&TopScreenTrans, TopScreenRect.X, TopScreenRect.Y+TopScreenRect.Height);
uiDrawMatrixTranslate(&BottomScreenTrans, -BottomScreenRect.X, -BottomScreenRect.Y);
uiDrawMatrixRotate(&BottomScreenTrans, 0, 0, -M_PI/2.0f);
uiDrawMatrixScale(&BottomScreenTrans, 0, 0,
BottomScreenRect.Width/(double)BottomScreenRect.Height,
BottomScreenRect.Height/(double)BottomScreenRect.Width);
uiDrawMatrixTranslate(&BottomScreenTrans, BottomScreenRect.X, BottomScreenRect.Y+BottomScreenRect.Height);
}
break;
}
}