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pushColors_any helper function

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This commit is contained in:
prenticedavid
2017-12-25 23:18:36 +00:00
parent b816e420b8
commit 31ed351aef
1 changed files with 31 additions and 51 deletions
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82
MCUFRIEND_kbv.cpp
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@@ -614,64 +614,44 @@ void MCUFRIEND_kbv::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_
setAddrWindow(0, 0, width() - 1, height() - 1); setAddrWindow(0, 0, width() - 1, height() - 1);
} }
static void pushColors_any(uint16_t cmd, uint8_t * block, int16_t n, bool first, uint8_t flags)
{
uint16_t color;
uint8_t h, l;
bool isconst = flags & 1;
bool isbigend = (flags & 2) != 0;
CS_ACTIVE;
if (first) {
WriteCmd(cmd);
}
while (n-- > 0) {
if (isconst) {
h = pgm_read_byte(block++);
l = pgm_read_byte(block++);
} else {
h = (*block++);
l = (*block++);
}
color = (isbigend) ? (h << 8 | l) : (l << 8 | h);
#if defined(SUPPORT_9488_555)
if (is555) color = color565_to_555(color);
#endif
write16(color);
}
CS_IDLE;
}
void MCUFRIEND_kbv::pushColors(uint16_t * block, int16_t n, bool first) void MCUFRIEND_kbv::pushColors(uint16_t * block, int16_t n, bool first)
{ {
uint16_t color; pushColors_any(_MW, (uint8_t *)block, n, first, 0);
CS_ACTIVE;
if (first) {
WriteCmd(_MW);
}
// CD_DATA;
while (n-- > 0) {
color = *block++;
#if defined(SUPPORT_9488_555)
if (is555) color = color565_to_555(color);
#endif
write16(color);
}
CS_IDLE;
} }
void MCUFRIEND_kbv::pushColors(uint8_t * block, int16_t n, bool first) void MCUFRIEND_kbv::pushColors(uint8_t * block, int16_t n, bool first)
{ {
uint16_t color; pushColors_any(_MW, (uint8_t *)block, n, first, 0);
uint8_t h, l;
CS_ACTIVE;
if (first) {
WriteCmd(_MW);
}
// CD_DATA;
while (n-- > 0) {
h = (*block++);
l = (*block++);
color = h << 8 | l;
#if defined(SUPPORT_9488_555)
if (is555) color = color565_to_555(color);
#endif
write16(color);
}
CS_IDLE;
} }
void MCUFRIEND_kbv::pushColors(const uint8_t * block, int16_t n, bool first, bool bigend)
void MCUFRIEND_kbv::pushColors(const uint8_t * block, int16_t n, bool first, bool bigend) //costs 28 bytes
{ {
uint16_t color; pushColors_any(_MW, (uint8_t *)block, n, first, bigend ? 3 : 1);
uint8_t h, l;
CS_ACTIVE;
if (first) {
WriteCmd(_MW);
}
// CD_DATA;
while (n-- > 0) {
l = pgm_read_byte(block++);
h = pgm_read_byte(block++);
color = (bigend) ? (l << 8 ) | h : (h << 8) | l;
#if defined(SUPPORT_9488_555)
if (is555) color = color565_to_555(color);
#endif
write16(color);
}
CS_IDLE;
} }
void MCUFRIEND_kbv::vertScroll(int16_t top, int16_t scrollines, int16_t offset) void MCUFRIEND_kbv::vertScroll(int16_t top, int16_t scrollines, int16_t offset)