// draws the focus screen's active button
void AnsiWidget::drawActiveButton() {
#if defined(_FLTK)
maUpdateScreen();
#elif defined(_SDL)
if (_focus != NULL && !_activeButton->hasHover()) {
MAHandle currentHandle = maSetDrawTarget(HANDLE_SCREEN);
_focus->drawShape(_activeButton);
_focus->drawLabel();
maUpdateScreen();
maSetDrawTarget(currentHandle);
}
#else
if (_activeButton->hasHover()) {
int dx = _front->_x;
int dy = _front->_y - _front->_scrollY;
_activeButton->drawHover(dx, dy, _activeButton->_pressed);
} else if (_focus != NULL) {
MAHandle currentHandle = maSetDrawTarget(HANDLE_SCREEN);
_focus->drawShape(_activeButton);
_focus->drawLabel();
maUpdateScreen();
maSetDrawTarget(currentHandle);
}
#endif
}
/**
* Create a colored image.
* @param color The color of the image (a hex value).
* @param width The width of the image.
* @param height The height of the image.
* @return Handle to the image. The image needs to be
* deallocated with maDestoryObject.
*/
MAHandle ScreenColorList::createColorImage(int color, int width, int height)
{
MAHandle image = maCreatePlaceholder();
maCreateDrawableImage(image, width, height);
MAHandle previousDrawTarget = maSetDrawTarget(image);
maSetColor(color);
maFillRect(0, 0, width, height);
maSetDrawTarget(previousDrawTarget);
return image;
}
int MAMain() {
int x=0, y=0, dx=1, dy=1;
int scrW, scrH;
int srcW, srcH;
{
int srcSize = maGetImageSize(SIMG);
srcW = EXTENT_X(srcSize);
srcH = EXTENT_Y(srcSize);
}
maCreateDrawableImage(TIMG, srcW,srcH);
maSetDrawTarget(TIMG);
maSetColor(0); //black
maFillRect(0,0, srcW,srcH);
maDrawImage(SIMG, 0,0);
maSetColor(0xff0000); //red
maLine(0,0, srcW,srcH);
maLine(srcW,0, 0,srcH);
maSetDrawTarget(HANDLE_SCREEN);
{
int scrSize = maGetScrSize();
scrW = EXTENT_X(scrSize);
scrH = EXTENT_Y(scrSize);
}
while(1) {
//int then = maGetMilliSecondCount();
maSetColor(0); //black
maFillRect(0,0, scrW,scrH);
maDrawImage(TIMG, x, y);
if((dx > 0 && x + srcW > scrW) || (dx < 0 && x < 0)) {
dx = -dx;
}
if((dy > 0 && y + srcH > scrH) || (dy < 0 && y < 0)) {
dy = -dy;
}
x += dx;
y += dy;
maUpdateScreen();
/*{
int now = maGetMilliSecondCount();
int time_padding = 10 - (now - then);
if(time_padding > 0)
maSleep(time_padding);
}*/
}
}
void testDrawableImages() {
const unsigned int colors[] = {
0xff000000,
0xff0000ff,
0xff00ff00,
0xff00ffff,
0xffff0000,
0xffff00ff,
0xffffff00,
0xffffffff,
};
const unsigned int NUMCOLORS = sizeof(colors)/sizeof(int);
unsigned int colors2[NUMCOLORS];
MAHandle testImg = maCreatePlaceholder();
printf("testing resources\n");
int res = maCreateDrawableImage(testImg, NUMCOLORS, 1);
assert("maCreateImageRaw", res == RES_OK);
MAExtent e1 = maGetImageSize(testImg);
assert("maGetImageSize", e1 == EXTENT(NUMCOLORS,1));
maSetDrawTarget(testImg);
for(unsigned int i = 0; i < NUMCOLORS; i++) {
maSetColor(colors[i]);
maPlot(i, 0);
}
MARect rect = {0, 0, NUMCOLORS, 1};
maSetDrawTarget(0);
maGetImageData(testImg, colors2, &rect, NUMCOLORS);
assert(
"testing drawable image res",
(memcmp(colors, colors2, sizeof(colors)) == 0)
);
}
LoadScreen::LoadScreen(void) {
/* ---------------------------------- */
maSetDrawTarget(HANDLE_SCREEN);
MAExtent screenSize = maGetScrSize();
int scrHeight = EXTENT_Y(screenSize);
/* ---------------------------------- */
drawText(40, LANG_PLEASE_WAIT, 0xffffff);
drawText(60, LANG_LOADING_TABLES, 0xffffff);
/* ---------------------------------- */
String str(LANG_VERSION);
str.append(VERSION, strlen(VERSION));
/* ---------------------------------- */
drawText(scrHeight-16, (const char*)str.c_str(), 0xff7700);
}
void VisueelScherm::update()
{
//update waarden vam weerdata
this->weerData->update();
//stel draw target in op onze tekening
maSetDrawTarget( this->diagramTekening );
//teken een staaf diagram
//legenda
//teken blokje en text met zonneschijn, neerslag en temperatuur
maSetColor(0xffffff);
maDrawText(10, 10, "Legenda");
maDrawText(10, 25, "Zonneschijn");
maDrawText(10, 40, "Neerslag");
maDrawText(10, 55, "Temperatuur");
//zonneschijn
maSetColor(0xffff00);
maFillRect(100, 25, 15, 15);
//neerslag
maSetColor(0x0000ff);
maFillRect(100, 40, 15, 15);
//temperatuur
maSetColor(0xff0000);
maFillRect(100, 55, 15, 15);
//teken 10-stap lijnen
maSetColor(0xffffff);
//grid-lijnen
for(int i=100; i<=200; i+=10)
{
maLine(20, i, 200, i);
}
//teken de staven van zonneschijn, neerslag en minimum temperatuur
// Zonneschijn
maSetColor(0xffff00);
maFillRect(30, 100+(100-this->weerData->zonneschijn[0]), 10, this->weerData->zonneschijn[0]); //vandaag
maFillRect(45, 100+(100-this->weerData->zonneschijn[1]), 10, this->weerData->zonneschijn[1]); //morgen
maFillRect(60, 100+(100-this->weerData->zonneschijn[2]), 10, this->weerData->zonneschijn[2]); //overmorgen
// Neerslag
maSetColor(0x0000ff);
maFillRect(85, 100+(100-this->weerData->neerslag[0]), 10, this->weerData->neerslag[0]); //vandaag
maFillRect(100, 100+(100-this->weerData->neerslag[1]), 10, this->weerData->neerslag[1]); //morgen
maFillRect(115, 100+(100-this->weerData->neerslag[2]), 10, this->weerData->neerslag[2]); //overmorgen
// Temperatuur
maSetColor(0xff0000);
maFillRect(140, 100+(100-this->weerData->minimumtemperatuur[0]), 10, this->weerData->minimumtemperatuur[0]); //vandaag
maFillRect(155, 100+(100-this->weerData->minimumtemperatuur[1]), 10, this->weerData->minimumtemperatuur[1]); //morgen
maFillRect(170, 100+(100-this->weerData->minimumtemperatuur[2]), 10, this->weerData->minimumtemperatuur[2]); //overmorgen
//altijd draw target na tekenen teruggeven naar scherm!
maSetDrawTarget( HANDLE_SCREEN );
//update de image met de nieuwe tekening
this->diagramImage->setResource( this->diagramTekening );
}
void ImageGenerators::linearGradient(
MAHandle image,
Point start,
Point end,
int startColor,
int endColor,
ImageGenerators::AlphaMode alphaMode)
{
MAExtent size = maGetImageSize(image);
int imgWidth = EXTENT_X(size);
int imgHeight = EXTENT_Y(size);
int gradVecX;
int gradVecY;
int gradOrthoVecX;
int gradOrthoVecY;
gradVecX = end.x - start.x;
gradVecY = end.y - start.y;
gradOrthoVecX = gradVecY;
gradOrthoVecY = -gradVecX;
int startAlpha = (startColor&0xff000000)>>24;
int startRed = (startColor&0x00ff0000)>>16;
int startGreen = (startColor&0x0000ff00)>>8;
int startBlue = (startColor&0x000000ff);
int endAlpha = (endColor&0xff000000)>>24;
int endRed = (endColor&0x00ff0000)>>16;
int endGreen = (endColor&0x0000ff00)>>8;
int endBlue = (endColor&0x000000ff);
int *tempSurface = new int[imgWidth*imgHeight];
if(!tempSurface) {
maPanic(0, "ImageGenerators::linearGradient, NO MEMORY!");
}
int *dst = tempSurface;
MAHandle lastDrawTarget = maSetDrawTarget(image);
int sqrLen = gradOrthoVecX*gradOrthoVecX + gradOrthoVecY*gradOrthoVecY;
double sqrtLen = (sqrt((double)sqrLen));
double sqrtLenRecip = 1.0/sqrtLen;
//lprintfln("imgWidth: %d, imgHeight: %d\n", imgWidth, imgHeight);
for(int j = 0; j < imgHeight; j++) {
for(int i = 0; i < imgWidth; i++) {
int u = (((i - start.x)*gradOrthoVecX +
(j - start.y)*gradOrthoVecY)<<16) / sqrLen;
int projectedPointX = ((u*gradOrthoVecX)>>16);
int projectedPointY = ((u*gradOrthoVecY)>>16);
//lprintfln("we come here! %d\n", i + j*imgWidth);
double distToStart =
(sqrt((double)
(((start.x+projectedPointX)-i)*((start.x+projectedPointX)-i) +
((start.y+projectedPointY)-j)*((start.y+projectedPointY)-j))
));
double distToEnd = (sqrt((double)
(((end.x+projectedPointX)-i)*((end.x+projectedPointX)-i) +
((end.y+projectedPointY)-j)*((end.y+projectedPointY)-j))
));
//double distToStart = 0.0;
//double distToEnd = 0.0;
// double distToEnd = sqrtLen - distToStart;
if(distToEnd >= sqrtLen) {
*dst++ = startColor;
}
else if(distToStart >= sqrtLen) {
*dst++ = endColor;
}
else {
int r = (int)(((distToStart*(double)endRed)
+ (distToEnd*(double)startRed))*sqrtLenRecip);
int g = (int)(((distToStart*(double)endGreen)
+ (distToEnd*(double)startGreen))*sqrtLenRecip);
int b = (int)(((distToStart*(double)endBlue)
+ (distToEnd*(double)startBlue))*sqrtLenRecip);
int a = (int)(((distToStart*(double)endAlpha)
+ (distToEnd*(double)startAlpha))*sqrtLenRecip);
if(r<0) r = 0;
if(r>255) r = 255;
if(g<0) g = 0;
if(g>255) g = 255;
if(b<0) b = 0;
if(b>255) b = 255;
if(a<0) a = 0;
if(a>255) a = 255;
*dst++ = (a<<24)|(r<<16)|(g<<8)|(b);
}
}
}
if(alphaMode == AM_WRITEALPHA) {
MAPoint2d dstPoint = {0, 0};
MARect srcRect = {0, 0, imgWidth, imgHeight};
maDrawRGB(&dstPoint, tempSurface, &srcRect, imgWidth);
maSetDrawTarget(lastDrawTarget);
}
else if(alphaMode == AM_USEALPHA) {
// TODO: Implement missing code.
}
else if(alphaMode == AM_NOALPHA) {
// TODO: Implement missing code.
}
delete []tempSurface;
}