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-rw-r--r--drv_X11.c82
1 files changed, 48 insertions, 34 deletions
diff --git a/drv_X11.c b/drv_X11.c
index a61ac96..7b53319 100644
--- a/drv_X11.c
+++ b/drv_X11.c
@@ -4,7 +4,7 @@
* new style X11 Driver for LCD4Linux
*
* Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at>
- * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ * Copyright (C) 2004, 2008 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* based on the old XWindow.c which is
* Copyright (C) 2000 Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at>
@@ -77,7 +77,10 @@ static int btnheight = 0;
static int dimx, dimy; /* total window dimension in pixel */
-static RGBA *drv_X11_FB = NULL;
+static RGBA *drv_X11_FB = NULL; /* framebuffer */
+
+static RGBA BP_COL = {.R = 0xff,.G = 0xff,.B = 0xff,.A = 0x00 }; /* pixel background color */
+static RGBA BR_COL = {.R = 0xff,.G = 0xff,.B = 0xff,.A = 0x00 }; /* border color */
static Display *dp;
static int sc, dd;
@@ -93,11 +96,11 @@ static Pixmap pm;
/*** hardware dependant functions ***/
/****************************************/
-static void drv_X11_color(RGBA c)
+static void drv_X11_color(RGBA c, int brightness)
{
- xc.red = 255 * c.R;
- xc.green = 255 * c.G;
- xc.blue = 255 * c.B;
+ xc.red = brightness * c.R;
+ xc.green = brightness * c.G;
+ xc.blue = brightness * c.B;
xc.flags = DoRed | DoGreen | DoBlue;
if (XAllocColor(dp, cm, &xc) == False) {
error("%s: XAllocColor(%02x%02x%02x) failed!", Name, c.R, c.G, c.B);
@@ -120,7 +123,7 @@ static void drv_X11_blit(const int row, const int col, const int height, const i
RGBA p1 = drv_X11_FB[r * DCOLS + c];
RGBA p2 = drv_generic_graphic_rgb(r, c);
if (p1.R != p2.R || p1.G != p2.G || p1.B != p2.B) {
- drv_X11_color(p2);
+ drv_X11_color(p2, 255); /* Fixme: this call is so slow... */
XFillRectangle(dp, w, gc, x, y, pixel, pixel);
drv_X11_FB[r * DCOLS + c] = p2;
dirty = 1;
@@ -135,10 +138,7 @@ static void drv_X11_blit(const int row, const int col, const int height, const i
static int drv_X11_brightness(int brightness)
{
- static unsigned char Brightness = 0;
- RGBA col = BL_COL;
- int i;
- float dim;
+ static int Brightness = 255;
/* -1 is used to query the current brightness */
if (brightness == -1)
@@ -151,26 +151,28 @@ static int drv_X11_brightness(int brightness)
if (Brightness != brightness) {
- Brightness = brightness;
- dim = Brightness / 255.0;
- col.R *= dim;
- col.G *= dim;
- col.B *= dim;
+ int i;
+ float dim = brightness / 255.0;
- debug("%s: set backlight to %d%%, original backlight color: 0x%02x%02x%02x%02x, dimmed: 0x%02x%02x%02x%02x",
- Name, (int) (dim * 100), BL_COL.R, BL_COL.G, BL_COL.B, BL_COL.A, col.R, col.G, col.B, col.A);
- for (i = 0; i < DCOLS * DROWS; i++) {
- drv_X11_FB[i] = col;
- }
+ debug("%s: set brightness to %d%%", Name, (int) (dim * 100));
- drv_X11_color(col);
+ BL_COL.R = BP_COL.R * dim;
+ BL_COL.G = BP_COL.G * dim;
+ BL_COL.B = BP_COL.B * dim;
- XFillRectangle(dp, pm, gc, 0, 0, dimx + 2 * border + btnwidth, dimy + 2 * border);
+ /* set new background */
+ drv_X11_color(BR_COL, brightness);
XSetWindowBackground(dp, w, xc.pixel);
XClearWindow(dp, w);
/* redraw every LCD pixel */
+ for (i = 0; i < DCOLS * DROWS; i++) {
+ drv_X11_FB[i] = NO_COL;
+ }
drv_X11_blit(0, 0, LROWS, LCOLS);
+
+ /* remember new brightness */
+ Brightness = brightness;
}
return Brightness;
@@ -241,7 +243,7 @@ static void drv_X11_expose(const int x, const int y, const int width, const int
int xc = border + (c / XRES) * cgap + c * (pixel + pgap);
if (xc < x0 || xc > x1)
continue;
- drv_X11_color(drv_generic_graphic_rgb(r, c));
+ drv_X11_color(drv_generic_graphic_rgb(r, c), 255);
XFillRectangle(dp, w, gc, xc, yc, pixel, pixel);
}
}
@@ -250,9 +252,9 @@ static void drv_X11_expose(const int x, const int y, const int width, const int
if (x1 >= xoffset) {
xfs = XQueryFont(dp, XGContextFromGC(DefaultGC(dp, 0)));
if (drv_X11_brightness(-1) > 127) {
- drv_X11_color(FG_COL);
+ drv_X11_color(FG_COL, 255);
} else {
- drv_X11_color(BG_COL);
+ drv_X11_color(BG_COL, 255);
}
for (r = 0; r < buttons; r++) {
yk = yoffset + r * (btnheight + pgap);
@@ -285,7 +287,6 @@ static void drv_X11_expose(const int x, const int y, const int width, const int
yk + btnheight / 2 + xfs->max_bounds.ascent / 2, s, strlen(s));
}
}
- //XSync(dp, False);
}
@@ -311,7 +312,7 @@ static void drv_X11_timer( __attribute__ ((unused))
&& ev.xbutton.y >= yoffset && ev.xbutton.y <= yoffset + buttons * btnheight + (buttons - 1) * pgap) {
btn = (ev.xbutton.y - yoffset) / (btnheight + pgap) + 1; /* btn 0 is unused */
debug("button %d pressed", btn);
- drv_X11_color(BG_COL);
+ drv_X11_color(BG_COL, 255);
XFillRectangle(dp, w, gc, xoffset + 1, yoffset + (btn - 1) * (btnheight + pgap) + 1, btnwidth - 1,
btnheight - 2 - 1);
drv_generic_keypad_press(btn);
@@ -379,12 +380,26 @@ static int drv_X11_start(const char *section)
if (cfg_number(section, "border", 0, 0, -1, &border) < 0)
return -1;
- /* we need the basecolor for the brightness early */
+ /* special case for the X11 driver:
+ * the border color may be different from the backlight color
+ * the backlicht color is the color of an inactive pixel
+ * the border color is the color of the border and gaps between pixels
+ * for the brightness pugin we need a copy of BL_COL, we call it BP_COL
+ */
s = cfg_get(section, "basecolor", "000000ff");
- if (color2RGBA(s, &BL_COL) < 0) {
+ if (color2RGBA(s, &BP_COL) < 0) {
error("%s: ignoring illegal color '%s'", Name, s);
}
free(s);
+ BL_COL = BP_COL;
+
+ BR_COL = BP_COL;
+ if ((s = cfg_get(section, "bordercolor", NULL)) != NULL) {
+ if (color2RGBA(s, &BR_COL) < 0) {
+ error("%s: ignoring illegal color '%s'", Name, s);
+ }
+ free(s);
+ }
/* virtual keyboard: number of buttons (0..6) */
if (cfg_number(section, "buttons", 0, 0, 6, &buttons) < 0)
@@ -397,7 +412,7 @@ static int drv_X11_start(const char *section)
}
for (i = 0; i < DCOLS * DROWS; i++) {
- drv_X11_FB[i] = BL_COL;
+ drv_X11_FB[i] = NO_COL;
}
if ((dp = XOpenDisplay(NULL)) == NULL) {
@@ -431,9 +446,7 @@ static int drv_X11_start(const char *section)
XSetWMProperties(dp, w, NULL, NULL, NULL, 0, &sh, NULL, NULL);
- drv_X11_color(BL_COL);
-
- XFillRectangle(dp, pm, gc, 0, 0, sh.min_width, sh.min_height);
+ drv_X11_color(BR_COL, 255);
XSetWindowBackground(dp, w, xc.pixel);
XClearWindow(dp, w);
@@ -517,6 +530,7 @@ int drv_X11_init(const char *section, const int quiet)
/* initialize generic graphic driver */
if ((ret = drv_generic_graphic_init(section, Name)) != 0)
return ret;
+ BL_COL = BP_COL;
/* initialize generic key pad driver */
if ((ret = drv_generic_keypad_init(section, Name)) != 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 22:44:44 +0000