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progressbar: improve display of colored PB

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This commit is contained in:
Stefan Seyfried
2013-03-09 16:05:56 +01:00
parent 9477ea5edd
commit 367d18072b
1 changed files with 21 additions and 12 deletions
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33
src/gui/widget/progressbar.cpp
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@@ -56,7 +56,7 @@ CProgressBar::~CProgressBar()
{
}
inline unsigned int make16color(__u32 rgb)
static inline unsigned int make16color(__u32 rgb)
{
return 0xFF000000 | rgb;
}
@@ -233,38 +233,47 @@ void CProgressBar::realpaint(const int pos_x, const int pos_y,
}
if (active_pb_width != last_width) {
int step;
int i, j;
int b = 0;
if (active_pb_width > last_width) {
int step, off;
int b = 0;
uint8_t diff = 0;
for (i = 0; (i < rd) && (i < maxi); i++) {
step = 255 / rd;
diff = i * 255 / rd;
if (invert)
rgb = GREEN + ((unsigned char)(step * i) << 16); // adding red
rgb = GREEN + (diff << 16); // adding red
else
rgb = RED + ((unsigned char)(step * i) << 8); // adding green
rgb = RED + (diff << 8); // adding green
color = make16color(rgb);
for(j = 0; j <= hcnt; j++)
frameBuffer->paintBoxRel(pos_x + i * itemw, pos_y + j * itemh,
pointx, pointy, color);
}
step = yw - rd - 1;
if (step < 1)
step = 1;
for (; (i < yw) && (i < maxi); i++) {
step = 255 / yw / 2;
diff = b++ * 255 / step / 2;
if (invert)
rgb = YELLOW - ((unsigned char)(step * (b++)) << 8); // removing green
rgb = YELLOW - (diff << 8); // removing green
else
rgb = YELLOW - ((unsigned char)(step * (b++)) << 16); // removing red
rgb = YELLOW - (diff << 16); // removing red
color = make16color(rgb);
for(j = 0; j <= hcnt; j++)
frameBuffer->paintBoxRel(pos_x + i * itemw, pos_y + j * itemh,
pointx, pointy, color);
}
off = diff;
b = 0;
step = gn - yw - 1;
if (step < 1)
step = 1;
for (; (i < gn) && (i < maxi); i++) {
step = 255 / gn;
diff = b++ * 255 / step / 2 + off;
if (invert)
rgb = YELLOW - ((unsigned char) (step * (b++)) << 8); // removing green
rgb = YELLOW - (diff << 8); // removing green
else
rgb = YELLOW - ((unsigned char) (step * (b++)) << 16); // removing red
rgb = YELLOW - (diff << 16); // removing red
color = make16color(rgb);
for(j = 0; j <= hcnt; j++)
frameBuffer->paintBoxRel(pos_x + i * itemw, pos_y + j * itemh,