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13 #include <sys/ioctl.h>
15 #include <sys/unistd.h>
25 double p = V * (1 - S);
26 double q = V * (1 - S * f);
27 double t = V * (1 - S * (1 - f));
45 double f = fabs(
constrain(Factor, -1.0, 1.0));
46 double w = Factor > 0 ? f * 0xFF : 0;
47 return (Color & 0xFF000000) |
48 (
min(0xFF,
int((1 - f) * ((Color >> 16) & 0xFF) + w + 0.5)) << 16) |
49 (
min(0xFF,
int((1 - f) * ((Color >> 8) & 0xFF) + w + 0.5)) << 8) |
50 (
min(0xFF,
int((1 - f) * ( Color & 0xFF) + w + 0.5)) );
65 for (
int alphaA = 0; alphaA < 255; alphaA++) {
66 int range = (alphaA == 255 ? 255 : 254);
67 for (
int alphaB = 0; alphaB < 256; alphaB++) {
68 int alphaO_x_range = 255 * alphaA + alphaB * (range - alphaA);
71 int factorA = (256 * 255 * alphaA + alphaO_x_range / 2) / alphaO_x_range;
72 int factorB = (256 * alphaB * (range - alphaA) + alphaO_x_range / 2) / alphaO_x_range;
83 tColor Alpha = (ColorFg & 0xFF000000) >> 24;
86 uint16_t *lut = &
AlphaLutFactors[Alpha][(ColorBg & 0xFF000000) >> 24][0];
88 | (((((ColorFg & 0x00FF00FF) * lut[0] + (ColorBg & 0x00FF00FF) * lut[1])) & 0xFF00FF00)
89 | ((((ColorFg & 0x0000FF00) * lut[0] + (ColorBg & 0x0000FF00) * lut[1])) & 0x00FF0000)) >> 8);
97 tColor RB = (Color & 0x00FF00FF) * Alpha;
98 RB = ((RB + ((RB >> 8) & 0x00FF00FF) + 0x00800080) >> 8) & 0x00FF00FF;
99 tColor AG = ((Color >> 8) & 0x00FF00FF) * Alpha;
100 AG = ((AG + ((AG >> 8) & 0x00FF00FF) + 0x00800080)) & 0xFF00FF00;
106 tColor Alpha = (ColorFg & 0xFF000000) >> 24;
109 Alpha = ((Alpha + ((Alpha >> 8) & 0x000000FF) + 0x00000080) >> 8) & 0x000000FF;
111 return Multiply(ColorFg, Alpha) + Multiply(ColorBg, 255 - Alpha);
133 int ColorsPerBlend = ColorsForBlending / BlendColors + 2;
193 for (
int i = 0; i < Palette.
numColors; i++) {
195 if (ColorFg || ColorBg) {
197 case 0:
Color = ColorBg;
break;
198 case 1:
Color = ColorFg;
break;
210 for (
int i = 0; i < Palette.
numColors; i++)
220 int Af = (ColorFg & 0xFF000000) >> 24;
221 int Rf = (ColorFg & 0x00FF0000) >> 16;
222 int Gf = (ColorFg & 0x0000FF00) >> 8;
223 int Bf = (ColorFg & 0x000000FF);
224 int Ab = (ColorBg & 0xFF000000) >> 24;
225 int Rb = (ColorBg & 0x00FF0000) >> 16;
226 int Gb = (ColorBg & 0x0000FF00) >> 8;
227 int Bb = (ColorBg & 0x000000FF);
228 int A = (Ab + (Af - Ab) * Level / 0xFF) & 0xFF;
229 int R = (Rb + (Rf - Rb) * Level / 0xFF) & 0xFF;
230 int G = (Gb + (Gf - Gb) * Level / 0xFF) & 0xFF;
231 int B = (Bb + (Bf - Bb) * Level / 0xFF) & 0xFF;
232 return (A << 24) | (R << 16) | (G << 8) | B;
239 int A1 = (
Color & 0xFF000000) >> 24;
240 int R1 = (
Color & 0x00FF0000) >> 16;
241 int G1 = (
Color & 0x0000FF00) >> 8;
242 int B1 = (
Color & 0x000000FF);
243 for (
int i = 0; i < numColors && d > 0; i++) {
244 int A2 = (
color[i] & 0xFF000000) >> 24;
245 int R2 = (
color[i] & 0x00FF0000) >> 16;
246 int G2 = (
color[i] & 0x0000FF00) >> 8;
247 int B2 = (
color[i] & 0x000000FF);
250 diff = (abs(A1 - A2) << 1) + (abs(R1 - R2) << 1) + (abs(G1 - G2) << 1) + (abs(B1 - B2) << 1);
256 return d <= MaxDiff ? n : -1;
311 esyslog(
"ERROR: can't allocate bitmap!");
321 return 0 <= x && x <
width && 0 <= y && y <
height;
330 return x1 <= 0 && y1 <= 0 && x2 >=
width - 1 && y2 >=
height - 1;
339 return !(x2 < 0 || x1 >=
width || y2 < 0 || y1 >=
height);
365 FILE *f = fopen(FileName,
"r");
373 while ((s = ReadLine.
Read(f)) != NULL) {
376 if (strcmp(s,
"/* XPM */") != 0) {
377 esyslog(
"ERROR: invalid header in XPM file '%s'", FileName);
382 else if (*s++ ==
'"') {
385 if (4 != sscanf(s,
"%d %d %d %d", &w, &h, &n, &c)) {
386 esyslog(
"ERROR: faulty 'values' line in XPM file '%s'", FileName);
391 Xpm =
MALLOC(
char *, lines);
392 memset(Xpm, 0, lines *
sizeof(
char*));
394 char *q = strchr(s,
'"');
396 esyslog(
"ERROR: missing quotes in XPM file '%s'", FileName);
402 Xpm[index++] = strdup(s);
404 esyslog(
"ERROR: too many lines in XPM file '%s'", FileName);
414 esyslog(
"ERROR: too few lines in XPM file '%s'", FileName);
417 for (
int i = 0; i < index; i++)
424 esyslog(
"ERROR: can't open XPM file '%s'", FileName);
432 const char *
const *p = Xpm;
434 if (4 != sscanf(*p,
"%d %d %d %d", &w, &h, &n, &c)) {
435 esyslog(
"ERROR: faulty 'values' line in XPM: '%s'", *p);
439 esyslog(
"ERROR: too many colors in XPM: %d", n);
443 while (1 << (1 << b) < (IgnoreNone ? n - 1 : n))
448 for (
int i = 0; i < n; i++) {
449 const char *s = *++p;
450 if (
int(strlen(s)) < c) {
451 esyslog(
"ERROR: faulty 'colors' line in XPM: '%s'", s);
456 esyslog(
"ERROR: unknown color key in XPM: '%c'", *s);
460 if (strcasecmp(s,
"none") == 0) {
467 esyslog(
"ERROR: unknown color code in XPM: '%c'", *s);
470 tColor color = strtoul(++s, NULL, 16) | 0xFF000000;
471 SetColor((IgnoreNone && i > NoneColorIndex) ? i - 1 : i,
color);
473 for (
int y = 0; y < h; y++) {
474 const char *s = *++p;
475 if (
int(strlen(s)) != w * c) {
476 esyslog(
"ERROR: faulty pixel line in XPM: %d '%s'", y, s);
479 for (
int x = 0; x < w; x++) {
480 for (
int i = 0; i <= n; i++) {
482 esyslog(
"ERROR: undefined pixel color in XPM: %d %d '%s'", x, y, s);
485 if (strncmp(Xpm[i + 1], s, c) == 0) {
486 if (i == NoneColorIndex)
488 SetIndex(x, y, (IgnoreNone && i > NoneColorIndex) ? i - 1 : i);
542 for (
int ix = 0; ix < Bitmap.
width; ix++) {
543 for (
int iy = 0; iy < Bitmap.
height; iy++) {
544 if (!Overlay || Bitmap.
bitmap[Bitmap.
width * iy + ix] != 0)
551 Take(Bitmap, &Indexes, ColorFg, ColorBg);
552 for (
int ix = 0; ix < Bitmap.
width; ix++) {
553 for (
int iy = 0; iy < Bitmap.
height; iy++) {
554 if (!Overlay || Bitmap.
bitmap[Bitmap.
width * iy + ix] != 0)
570 if (!
Intersects(x, y, x + cw - 1, y + ch - 1))
577 if ((Alignment &
taLeft) != 0) {
581 else if ((Alignment &
taRight) != 0) {
589 x += (
Width - w) / 2;
593 if ((Alignment &
taTop) != 0)
595 else if ((Alignment &
taBottom) != 0) {
614 if (
Covers(x1, y1, x2, y2))
625 for (
int y = y1; y <= y2; y++) {
626 for (
int x = x1; x <= x2; x++)
639 int cx = (x1 + x2) / 2;
640 int cy = (y1 + y2) / 2;
641 switch (abs(Quadrants)) {
642 case 0: rx /= 2; ry /= 2;
break;
643 case 1: cx = x1; cy = y2;
break;
644 case 2: cx = x2; cy = y2;
break;
645 case 3: cx = x2; cy = y1;
break;
646 case 4: cx = x1; cy = y1;
break;
647 case 5: cx = x1; ry /= 2;
break;
648 case 6: cy = y2; rx /= 2;
break;
649 case 7: cx = x2; ry /= 2;
break;
650 case 8: cy = y1; rx /= 2;
break;
653 int TwoASquare =
max(1, 2 * rx * rx);
654 int TwoBSquare =
max(1, 2 * ry * ry);
657 int XChange = ry * ry * (1 - 2 * rx);
658 int YChange = rx * rx;
659 int EllipseError = 0;
660 int StoppingX = TwoBSquare * rx;
662 while (StoppingX >= StoppingY) {
671 case 6:
DrawRectangle(cx - x, cy - y, cx + x, cy - y,
Color);
if (Quadrants == 6)
break;
680 StoppingY += TwoASquare;
681 EllipseError += YChange;
682 YChange += TwoASquare;
683 if (2 * EllipseError + XChange > 0) {
685 StoppingX -= TwoBSquare;
686 EllipseError += XChange;
687 XChange += TwoBSquare;
693 YChange = rx * rx * (1 - 2 * ry);
696 StoppingY = TwoASquare * ry;
697 while (StoppingX <= StoppingY) {
706 case 6:
DrawRectangle(cx - x, cy - y, cx + x, cy - y,
Color);
if (Quadrants == 6)
break;
715 StoppingX += TwoBSquare;
716 EllipseError += XChange;
717 XChange += TwoBSquare;
718 if (2 * EllipseError + YChange > 0) {
720 StoppingY -= TwoASquare;
721 EllipseError += YChange;
722 YChange += TwoASquare;
731 bool upper = Type & 0x01;
732 bool falling = Type & 0x02;
733 bool vertical = Type & 0x04;
735 for (
int y = y1; y <= y2; y++) {
736 double c = cos((y - y1) * M_PI / (y2 - y1 + 1));
739 int x = int((x2 - x1 + 1) * c / 2);
740 if (upper && !falling || !upper && falling)
747 for (
int x = x1; x <= x2; x++) {
748 double c = cos((x - x1) * M_PI / (x2 - x1 + 1));
751 int y = int((y2 - y1 + 1) * c / 2);
767 int NewBpp = Palette.
Bpp();
768 if (
Bpp() == 4 && NewBpp == 2) {
771 bitmap[i] = (p >> 2) | ((p & 0x03) != 0);
774 else if (
Bpp() == 8) {
778 bitmap[i] = (p >> 6) | ((p & 0x30) != 0);
781 else if (NewBpp == 4) {
806 int MaxNewColors = (NewBpp == 4) ? 16 : 4;
808 for (
int i = 0; i < MaxNewColors; i++) {
811 for (
int n = 0; n < NumOldColors; n++) {
826 for (
int n = 0; n < NumOldColors; n++) {
842 int w =
max(1,
int(round(
Width() * FactorX)));
843 int h =
max(1,
int(round(
Height() * FactorY)));
847 if (!AntiAlias || FactorX <= 1.0 && FactorY <= 1.0) {
852 for (
int y = 0; y < b->
Height(); y++) {
856 for (
int x = 0; x < b->
Width(); x++) {
857 *Dest++ = SourceRow[SourceX >> 16];
861 DestRow += b->
Width();
869 for (
int y = 0; y < b->
Height(); y++) {
871 int sy =
min(SourceY >> 16,
Height() - 2);
872 uint8_t BlendY = 0xFF - ((SourceY >> 8) & 0xFF);
873 for (
int x = 0; x < b->
Width(); x++) {
874 int sx =
min(SourceX >> 16,
Width() - 2);
875 uint8_t BlendX = 0xFF - ((SourceX >> 8) & 0xFF);
1037 else if (
Layer >= 0) {
1151 :
cPixmap(Layer, ViewPort, DrawPort)
1199 Source.
Shift(Delta);
1202 if (Pixmap->
Layer() == 0)
1203 Copy(Pixmap, Source, Dest);
1205 Render(Pixmap, Source, Dest);
1222 if (Pixmap->
Layer() == 0)
1223 Copy(Pixmap, Source, Dest);
1225 Render(Pixmap, Source, Dest);
1240 ps -= Point.
Y() * ws;
1244 for (
int y = r.
Height(); y-- > 0; ) {
1265 if (
DrawPort().Size().Contains(Point)) {
1281 bool UseColors = ColorFg || ColorBg;
1284 for (
int y = r.
Top(); y <= r.
Bottom(); y++) {
1286 for (
int x = r.
Left(); x <= r.
Right(); x++) {
1287 tIndex Index = *Bitmap.
Data(x - Point.
X(), y - Point.
Y());
1288 if (Index || !Overlay) {
1290 *cd = Index ? ColorFg : ColorBg;
1292 *cd = Bitmap.
Color(Index);
1311 int cw = Width ? Width : w;
1312 int ch = Height ? Height : h;
1313 cRect r(x, y, cw, ch);
1316 if (Width || Height) {
1319 if ((Alignment &
taLeft) != 0) {
1323 else if ((Alignment &
taRight) != 0) {
1331 x += (Width - w) / 2;
1335 if ((Alignment &
taTop) != 0)
1337 else if ((Alignment &
taBottom) != 0) {
1343 y += (Height - h) / 2;
1347 Font->
DrawText(
this, x, y, s, ColorFg, ColorBg, limit);
1361 for (
int y = r.
Height(); y-- > 0; ) {
1367 for (
int x = r.
Width(); x-- > 0; ) {
1385 int x1 = Rect.
Left();
1386 int y1 = Rect.
Top();
1387 int x2 = Rect.
Right();
1391 int cx = (x1 + x2) / 2;
1392 int cy = (y1 + y2) / 2;
1393 switch (abs(Quadrants)) {
1394 case 0: rx /= 2; ry /= 2;
break;
1395 case 1: cx = x1; cy = y2;
break;
1396 case 2: cx = x2; cy = y2;
break;
1397 case 3: cx = x2; cy = y1;
break;
1398 case 4: cx = x1; cy = y1;
break;
1399 case 5: cx = x1; ry /= 2;
break;
1400 case 6: cy = y2; rx /= 2;
break;
1401 case 7: cx = x2; ry /= 2;
break;
1402 case 8: cy = y1; rx /= 2;
break;
1405 int TwoASquare =
max(1, 2 * rx * rx);
1406 int TwoBSquare =
max(1, 2 * ry * ry);
1409 int XChange = ry * ry * (1 - 2 * rx);
1410 int YChange = rx * rx;
1411 int EllipseError = 0;
1412 int StoppingX = TwoBSquare * rx;
1414 while (StoppingX >= StoppingY) {
1415 switch (Quadrants) {
1423 case 6:
DrawRectangle(
cRect(cx - x, cy - y, 2 * x + 1, 1), Color);
if (Quadrants == 6)
break;
1432 StoppingY += TwoASquare;
1433 EllipseError += YChange;
1434 YChange += TwoASquare;
1435 if (2 * EllipseError + XChange > 0) {
1437 StoppingX -= TwoBSquare;
1438 EllipseError += XChange;
1439 XChange += TwoBSquare;
1445 YChange = rx * rx * (1 - 2 * ry);
1448 StoppingY = TwoASquare * ry;
1449 while (StoppingX <= StoppingY) {
1450 switch (Quadrants) {
1458 case 6:
DrawRectangle(
cRect(cx - x, cy - y, 2 * x + 1, 1), Color);
if (Quadrants == 6)
break;
1467 StoppingX += TwoBSquare;
1468 EllipseError += XChange;
1469 XChange += TwoBSquare;
1470 if (2 * EllipseError + YChange > 0) {
1472 StoppingY -= TwoASquare;
1473 EllipseError += YChange;
1474 YChange += TwoASquare;
1486 bool upper = Type & 0x01;
1487 bool falling = Type & 0x02;
1488 bool vertical = Type & 0x04;
1489 int x1 = Rect.
Left();
1490 int y1 = Rect.
Top();
1491 int x2 = Rect.
Right();
1493 int w = Rect.
Width();
1496 for (
int y = y1; y <= y2; y++) {
1497 double c = cos((y - y1) * M_PI / h);
1500 int x = (x1 + x2) / 2 +
int(w * c / 2);
1501 if (upper && !falling || !upper && falling)
1508 for (
int x = x1; x <= x2; x++) {
1509 double c = cos((x - x1) * M_PI / w);
1512 int y = (y1 + y2) / 2 +
int(h * c / 2);
1534 int a = pm->Alpha();
1535 int ws = pm->DrawPort().
Width();
1539 for (
int y = d.
Height(); y-- > 0; ) {
1542 for (
int x = d.
Width(); x-- > 0; ) {
1568 int ws = pm->DrawPort().
Width();
1573 for (
int y = d.
Height(); y-- > 0; ) {
1604 for (
int y = d.
Height(); y-- > 0; ) {
1634 "bpp not supported",
1662 for (
int i = 0; i <
Osds.
Size(); i++) {
1680 for (
int i = 0; i <
Osds.
Size(); i++) {
1681 if (
Osds[i] ==
this) {
1684 Osds[0]->SetActive(
true);
1734 if (Pixmap->
Layer() >= 0)
1741 esyslog(
"ERROR: attempt to destroy an unregistered pixmap");
1767 if (!pm->DirtyViewPort().IsEmpty()) {
1769 d.
Combine(pm->DirtyViewPort());
1778 static cRect OldDirty;
1781 OldDirty = NewDirty;
1790 if (pm->Layer() == Layer)
1797 static tColor DirtyIndicatorColors[] = { 0x7FFFFF00, 0x7F00FFFF };
1798 static int DirtyIndicatorIndex = 0;
1799 DirtyIndicator.
Fill(DirtyIndicatorColors[DirtyIndicatorIndex]);
1800 DirtyIndicatorIndex = 1 - DirtyIndicatorIndex;
1814 for (
int i = 0; i < NumAreas; i++) {
1815 if (Areas[i].x1 > Areas[i].x2 || Areas[i].y1 > Areas[i].y2 || Areas[i].x1 < 0 || Areas[i].y1 < 0)
1817 for (
int j = i + 1; j < NumAreas; j++) {
1818 if (Areas[i].Intersects(Areas[j])) {
1823 if (Areas[i].bpp == 32) {
1834 if (Result ==
oeOk) {
1854 for (
int i = 0; i < NumAreas; i++) {
1870 cRect r(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
1914 pixmaps[0]->DrawImage(Point, Image);
1920 pixmaps[0]->DrawImage(Point, ImageHandle);
1936 pixmaps[0]->DrawBitmap(
cPoint(x, y), Bitmap, ColorFg, ColorBg, Overlay);
1939 bitmaps[i]->
DrawBitmap(x, y, Bitmap, ColorFg, ColorBg, ReplacePalette, Overlay);
1947 b = b->
Scaled(FactorX, FactorY, AntiAlias);
1966 pixmaps[0]->DrawRectangle(
cRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1), Color);
1976 pixmaps[0]->DrawEllipse(
cRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1), Color, Quadrants);
1986 pixmaps[0]->DrawSlope(
cRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1), Color, Type);
2021 esyslog(
"ERROR: attempt to open OSD while it is already open - using dummy OSD!");
2033 esyslog(
"ERROR: no OSD provider available - using dummy OSD!");
2034 return new cOsd(Left, Top, 999);
2059 dsyslog(
"OSD size changed to %dx%d @ %g", Width, Height, Aspect);
2078 esyslog(
"ERROR: no OSD provider available in call to SupportsTrueColor()");
2098 delete images[ImageHandle];
2099 images[ImageHandle] = NULL;
2107 return images[ImageHandle];
2173 for (
int i = 0; i <
shown; i++)
const tIndex * Data(int x, int y) const
Returns the address of the index byte at the given coordinates.
void Grow(int Dw, int Dh)
static cVector< cOsd * > Osds
void DrawSlope(int x1, int y1, int x2, int y2, tColor Color, int Type)
Draws a "slope" into the rectangle defined by the upper left (x1, y1) and lower right (x2,...
cPoint Shifted(int Dx, int Dy) const
virtual void DrawEllipse(const cRect &Rect, tColor Color, int Quadrants=0)
Draws a filled ellipse with the given Color that fits into the given rectangle.
virtual ~cOsd()
Shuts down the OSD.
static cOsd * NewOsd(int Left, int Top, uint Level=OSD_LEVEL_DEFAULT)
Returns a pointer to a newly created cOsd object, which will be located at the given coordinates.
virtual void Clear(void)
Clears the pixmap's draw port by setting all pixels to be fully transparent.
static cImage * images[MAXOSDIMAGES]
cPixmapMemory * savedPixmap
void SetIndex(int x, int y, tIndex Index)
Sets the index at the given coordinates to Index.
void SetSize(int Width, int Height)
Sets the size of this bitmap to the given values.
static bool SupportsTrueColor(void)
Returns true if the current OSD provider is able to handle a true color OSD.
virtual void Clear(void)=0
Clears the pixmap's draw port by setting all pixels to be fully transparent.
bool IsEmpty(void) const
Returns true if this rectangle is empty.
tColor GetColor(int x, int y) const
Returns the color at the given coordinates.
const cSize & Size(void) const
virtual void Copy(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest)=0
Copies the part of the given Pixmap covered by Source into this pixmap at location Dest.
void Fill(tIndex Index)
Fills the bitmap data with the given Index.
virtual void SetDrawPortPoint(const cPoint &Point, bool Dirty=true)
Sets the pixmap's draw port to the given Point.
virtual void SetLayer(int Layer)
Sets the layer of this pixmap to the given value.
static void SetFont(eDvbFont Font, const char *Name, int CharHeight)
< Draws the given text into the Pixmap at position (x, y) with the given colors.
virtual void DrawPixel(int x, int y, tColor Color)
Sets the pixel at the given coordinates to the given Color, which is a full 32 bit ARGB value.
void DrawEllipse(int x1, int y1, int x2, int y2, tColor Color, int Quadrants=0)
Draws a filled ellipse defined by the upper left (x1, y1) and lower right (x2, y2) corners with the g...
const char * GetLine(int Line)
Returns the given Line. The first line is numbered 0.
tColor Color(int Index) const
Returns the color at the given Index.
virtual void Scroll(const cPoint &Dest, const cRect &Source=cRect::Null)
Scrolls the data in the pixmap's draw port to the given Dest point.
The cOsd class is the interface to the "On Screen Display".
static cSize maxPixmapSize
virtual void SetAlpha(int Alpha)
Sets the alpha value of this pixmap to the given value.
virtual void Pan(const cPoint &Dest, const cRect &Source=cRect::Null)
Does the same as Scroll(), but also shifts the draw port accordingly, so that the view port doesn't g...
tColor RgbShade(tColor Color, double Factor)
Returns a brighter (Factor > 0) or darker (Factor < 0) version of the given Color.
virtual cPixmap * CreatePixmap(int Layer, const cRect &ViewPort, const cRect &DrawPort=cRect::Null)
Creates a new true color pixmap on this OSD (see cPixmap for details).
void SetClean(void)
Resets the "dirty" rectangles of this pixmap.
cBitmap * Scaled(double FactorX, double FactorY, bool AntiAlias=false) const
Creates a copy of this bitmap, scaled by the given factors.
void DrawRectangle(int x1, int y1, int x2, int y2, tColor Color)
Draws a filled rectangle defined by the upper left (x1, y1) and lower right (x2, y2) corners with the...
virtual void SetViewPort(const cRect &Rect)
Sets the pixmap's view port to the given Rect.
void DrawText(int x, int y, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width=0, int Height=0, int Alignment=taDefault)
Draws the given string at coordinates (x, y) with the given foreground and background color and font.
static void UpdateOsdSize(bool Force=false)
Inquires the actual size of the video display and adjusts the OSD and font sizes accordingly.
char FontFix[MAXFONTNAME]
virtual void SaveRegion(int x1, int y1, int x2, int y2)
Saves the region defined by the given coordinates for later restoration through RestoreRegion().
virtual void DestroyPixmap(cPixmap *Pixmap)
Destroys the given Pixmap, which has previously been created by a call to CreatePixmap().
static const char * OsdErrorTexts[]
void Reset(void)
Resets the palette, making it contain no colors.
cBitmap * bitmaps[MAXOSDAREAS]
tColor AlphaBlend(tColor ColorFg, tColor ColorBg, uint8_t AlphaLayer)
virtual cOsd * CreateOsd(int Left, int Top, uint Level)=0
Returns a pointer to a newly created cOsd object, which will be located at the given coordinates.
static cDevice * PrimaryDevice(void)
Returns the primary device.
double antiAliasGranularity
static int IsOpen(void)
Returns true if there is currently a level 0 OSD open.
tColor RgbToColor(uint8_t R, uint8_t G, uint8_t B)
virtual void DrawImage(const cPoint &Point, const cImage &Image)
Draws the given Image on this OSD at the given Point.
bool LoadXpm(const char *FileName)
Calls SetXpm() with the data from the file FileName.
virtual int Width(void) const
Returns the original character width as requested when the font was created, or 0 if the default widt...
bool Intersects(int x1, int y1, int x2, int y2) const
Returns true if the rectangle defined by the given coordinates intersects with this bitmap.
void Combine(const cRect &Rect)
Combines this rectangle with the given Rect.
virtual void DrawEllipse(int x1, int y1, int x2, int y2, tColor Color, int Quadrants=0)
Draws a filled ellipse defined by the upper left (x1, y1) and lower right (x2, y2) corners with the g...
virtual void Copy(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest)
Copies the part of the given Pixmap covered by Source into this pixmap at location Dest.
void SetBpp(int Bpp)
Sets the color depth of this palette to the given value.
static uint8_t AlphaLutAlpha[255][256]
const tColor * Colors(int &NumColors) const
Returns a pointer to the complete color table and stores the number of valid entries in NumColors.
cBitmap(int Width, int Height, int Bpp, int X0=0, int Y0=0)
Creates a bitmap with the given Width, Height and color depth (Bpp).
void Clean(void)
Marks the dirty area as clean.
virtual void RestoreRegion(void)
Restores the region previously saved by a call to SaveRegion().
void Scroll(bool Up, bool Page)
char FontSml[MAXFONTNAME]
const cPoint & Point(void) const
virtual void DrawSlope(int x1, int y1, int x2, int y2, tColor Color, int Type)
Draws a "slope" into the rectangle defined by the upper left (x1, y1) and lower right (x2,...
cPalette(int Bpp=8)
Initializes the palette with the given color depth.
static void Shutdown(void)
Shuts down the OSD provider facility by deleting the current OSD provider.
void Set(cOsd *Osd, int Left, int Top, int Width, int Height, const char *Text, const cFont *Font, tColor ColorFg, tColor ColorBg)
bool Contains(const cPoint &Point) const
Returns true if this rectangle contains Point.
virtual void Fill(tColor Color)
Fills the pixmap's draw port with the given Color.
virtual void DrawPixel(const cPoint &Point, tColor Color)
Sets the pixel at the given Point to the given Color, which is a full 32 bit ARGB value.
static int StoreImage(const cImage &Image)
Stores the given Image for later use with DrawImage() on an OSD or pixmap.
bool Contains(int x, int y) const
Returns true if this bitmap contains the point (x, y).
void Clear(void)
Clears the image data by setting all pixels to be fully transparent.
void SetPoint(int X, int Y)
virtual int Height(void) const =0
Returns the height of this font in pixel (all characters have the same height).
void Set(int X, int Y, int Width, int Height)
virtual const cSize & MaxPixmapSize(void) const
Returns the maximum possible size of a pixmap this OSD can create.
cBitmap * GetBitmap(int Area)
Returns a pointer to the bitmap for the given Area, or NULL if no such bitmap exists.
virtual void SetActive(bool On)
Sets this OSD to be the active one.
void Grow(int Dx, int Dy)
Grows the rectangle by the given number of pixels in either direction.
cPixmap * RenderPixmaps(void)
Renders the dirty part of all pixmaps into a resulting pixmap that shall be displayed on the OSD.
virtual void DrawPixmap(const cPixmap *Pixmap, const cRect &Dirty)
Draws the Dirty part of the given Pixmap into this pixmap.
virtual void DrawText(cBitmap *Bitmap, int x, int y, const char *s, tColor ColorFg, tColor ColorBg, int Width) const
Draws the given text into the Bitmap at position (x, y) with the given colors.
virtual void Render(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest)
Renders the part of the given Pixmap covered by Source into this pixmap at location Dest.
virtual void Remove(int Index)
const tColor * Data(void) const
cRect Intersected(const cRect &Rect) const
Returns the intersection of this rectangle and the given Rect.
cRect Shifted(int Dx, int Dy) const
virtual void DrawText(const cPoint &Point, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width=0, int Height=0, int Alignment=taDefault)
Draws the given string at Point with the given foreground and background color and font.
virtual void DrawImage(const cPoint &Point, const cImage &Image)
Draws the given Image into this pixmap at the given Point.
void SetBottom(int Bottom)
void SetColor(int Index, tColor Color)
Sets the palette entry at Index to Color.
cOsd(int Left, int Top, uint Level)
Initializes the OSD with the given coordinates.
void Take(const cPalette &Palette, tIndexes *Indexes=NULL, tColor ColorFg=0, tColor ColorBg=0)
Takes the colors from the given Palette and adds them to this palette, using existing entries if poss...
void Shift(int Dx, int Dy)
void DrawBitmap(int x, int y, const cBitmap &Bitmap, tColor ColorFg=0, tColor ColorBg=0, bool ReplacePalette=false, bool Overlay=false)
Sets the pixels in this bitmap with the data from the given Bitmap, putting the upper left corner of ...
bool Covers(int x1, int y1, int x2, int y2) const
Returns true if the rectangle defined by the given coordinates completely covers this bitmap.
void SetAntiAliasGranularity(uint FixedColors, uint BlendColors)
Allows the system to optimize utilization of the limited color palette entries when generating blende...
virtual void DrawRectangle(int x1, int y1, int x2, int y2, tColor Color)
Draws a filled rectangle defined by the upper left (x1, y1) and lower right (x2, y2) corners with the...
const cSize & Size(void) const
void Fill(tColor Color)
Fills the image data with the given Color.
static bool OsdSizeChanged(int &State)
Checks if the OSD size has changed and a currently displayed OSD needs to be redrawn.
class cInitAlphaLut InitAlphaLut
virtual void GetOsdSize(int &Width, int &Height, double &PixelAspect)
Returns the Width, Height and PixelAspect ratio the OSD should use to best fit the resolution of the ...
int ClosestColor(tColor Color, int MaxDiff=INT_MAX) const
Returns the index of a color in this palette that is closest to the given Color.
tColor HsvToColor(double H, double S, double V)
Converts the given Hue (0..360), Saturation (0..1) and Value (0..1) to an RGB tColor value.
#define TEXT_ALIGN_BORDER
void MarkDrawPortDirty(const cRect &Rect)
Marks the given rectangle of the draw port of this pixmap as dirty.
virtual bool ProvidesTrueColor(void)
Returns true if this OSD provider is able to handle a true color OSD.
bool SetXpm(const char *const Xpm[], bool IgnoreNone=false)
Sets this bitmap to the given XPM data.
tColor Blend(tColor ColorFg, tColor ColorBg, uint8_t Level) const
Determines a color that consists of a linear blend between ColorFg and ColorBg.
virtual eOsdError SetAreas(const tArea *Areas, int NumAreas)
Sets the sub-areas to the given areas.
virtual void DrawRectangle(const cRect &Rect, tColor Color)
Draws a filled rectangle with the given Color.
virtual int StoreImageData(const cImage &Image)
Copies the given Image and returns a handle for later reference.
virtual void DropImageData(int ImageHandle)
Drops the image data referenced by ImageHandle.
const cRect & ViewPort(void) const
Returns the pixmap's view port, which is relative to the OSD's origin.
void ReduceBpp(const cPalette &Palette)
Reduces the color depth of the bitmap to that of the given Palette.
static uint16_t AlphaLutFactors[255][256][2]
bool Dirty(int &x1, int &y1, int &x2, int &y2)
Tells whether there is a dirty area and returns the bounding rectangle of that area (relative to the ...
virtual void Insert(T Data, int Before=0)
void Shift(int Dx, int Dy)
virtual void DrawSlope(const cRect &Rect, tColor Color, int Type)
Draws a "slope" with the given Color into the given rectangle.
const cRect & DrawPort(void) const
Returns the pixmap's draw port, which is relative to the view port.
static void Lock(void)
All public member functions of cPixmap set locks as necessary to make sure they are thread-safe (unle...
#define OSD_LEVEL_DEFAULT
virtual void DrawScaledBitmap(int x, int y, const cBitmap &Bitmap, double FactorX, double FactorY, bool AntiAlias=false)
Sets the pixels in the OSD with the data from the given Bitmap, putting the upper left corner of the ...
tColor color[MAXNUMCOLORS]
virtual void DrawBitmap(int x, int y, const cBitmap &Bitmap, tColor ColorFg=0, tColor ColorBg=0, bool ReplacePalette=false, bool Overlay=false)
Sets the pixels in the OSD with the data from the given Bitmap, putting the upper left corner of the ...
#define ALPHA_TRANSPARENT
static void SetOsdPosition(int Left, int Top, int Width, int Height)
Sets the position and size of the OSD to the given values.
virtual void DrawBitmap(const cPoint &Point, const cBitmap &Bitmap, tColor ColorFg=0, tColor ColorBg=0, bool Overlay=false)
Sets the pixels in the OSD with the data from the given Bitmap, putting the upper left corner of the ...
cVector< cPixmap * > pixmaps
virtual eOsdError CanHandleAreas(const tArea *Areas, int NumAreas)
Checks whether the OSD can display the given set of sub-areas.
virtual void DrawText(int x, int y, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font, int Width=0, int Height=0, int Alignment=taDefault)
Draws the given string at coordinates (x, y) with the given foreground and background color and font.
virtual eOsdError SetPalette(const cPalette &Palette, int Area)
Sets the Palette for the given Area (the first area is numbered 0).
tIndex tIndexes[MAXNUMCOLORS]
virtual void Append(T Data)
virtual void Render(const cPixmap *Pixmap, const cRect &Source, const cPoint &Dest)=0
Renders the part of the given Pixmap covered by Source into this pixmap at location Dest.
static cOsdProvider * osdProvider
int Index(tColor Color)
Returns the index of the given Color (the first color has index 0).
bool Intersects(const cRect &Rect) const
Returns true if this rectangle intersects with Rect.
virtual int Height(void) const
Returns the height of this font in pixel (all characters have the same height).
void Replace(const cPalette &Palette)
Replaces the colors of this palette with the colors from the given palette.
virtual void SetTile(bool Tile)
Sets the tile property of this pixmap to the given value.
virtual void Flush(void)
Actually commits all data to the OSD hardware.
cPixmap * AddPixmap(cPixmap *Pixmap)
Adds the given Pixmap to the list of currently active pixmaps in this OSD.
char FontOsd[MAXFONTNAME]
static const cCursesFont Font
void ShrinkBpp(int NewBpp)
Shrinks the color depth of the bitmap to NewBpp by keeping only the 2^NewBpp most frequently used col...
void Set(const char *Text, const cFont *Font, int Width)
Wraps the Text to make it fit into the area defined by the given Width when displayed with the given ...
static const cImage * GetImageData(int ImageHandle)
Gets the image data referenced by ImageHandle.
void SetAntiAliasGranularity(uint FixedColors, uint BlendColors)
Allows the system to optimize utilization of the limited color palette entries when generating blende...
static void DropImage(int ImageHandle)
Drops the image referenced by the given ImageHandle.
void MarkViewPortDirty(const cRect &Rect)
Marks the given rectangle of the view port of this pixmap as dirty.
void DrawPixel(int x, int y, tColor Color)
Sets the pixel at the given coordinates to the given Color, which is a full 32 bit ARGB value.