aiie/apple/appleui.cpp
2018-01-07 14:44:23 -05:00

128 lines
2.8 KiB
C++

#include "appleui.h"
#include "vm.h" // for DISPLAYHEIGHT. Probably not the most sensible.
#include "images.h"
#include "globals.h"
// FIXME: abstract and standardize the sizes, onscreen locations, and
// underlying bitmap types
AppleUI::AppleUI()
{
}
AppleUI::~AppleUI()
{
}
void AppleUI::drawStaticUIElement(uint8_t element)
{
// Only one static UI element right now...
if (element != UIeOverlay)
return;
g_display->drawImageOfSizeAt(displayBitmap, DBITMAP_WIDTH, DBITMAP_HEIGHT, 0, 0);
}
void AppleUI::drawOnOffUIElement(uint8_t element, bool state)
{
uint16_t xoff = 55;
uint8_t yoff = 216;
uint16_t xsize;
uint8_t ysize;
const uint8_t *img;
switch (element) {
case UIeDisk1_state:
xoff = 55;
yoff = 216;
xsize = 43;
ysize = 20;
img = state ? driveLatchOpen : driveLatch;
break;
case UIeDisk2_state:
xoff = 55+134;
yoff = 216;
xsize = 43;
ysize = 20;
img = state ? driveLatchOpen : driveLatch;
break;
case UIeDisk1_activity:
case UIeDisk2_activity:
{
uint16_t xoff = 125;
uint16_t yoff = 213;
if (element == UIeDisk2_activity)
xoff += 135;
for (int x=0; x<6; x++) {
g_display->drawPixel(x + xoff, yoff, state ? 0xF800 : 0x8AA9);
g_display->drawPixel(x + xoff, yoff + 1, state ? 0xF800 : 0x8AA9);
}
}
return;
default:
return;
}
g_display->drawImageOfSizeAt(img, xsize, ysize, xoff, yoff);
}
void AppleUI::drawPercentageUIElement(uint8_t element, uint8_t percent)
{
// only 1 element of this type
if (element != UIePowerPercentage) {
return;
}
drawBatteryStatus(percent);
}
void AppleUI::drawBatteryStatus(uint8_t percent)
{
uint16_t xoff = 301;
uint16_t yoff = 222;
// the area around the apple is 12 wide; it's exactly 11 high the
// color is 210/202/159
float watermark = ((float)percent / 100.0) * 11;
for (int y=0; y<11; y++) {
uint8_t bgr = 210;
uint8_t bgg = 202;
uint8_t bgb = 159;
if (11-y > watermark) {
// black...
bgr = bgg = bgb = 0;
}
for (int x=0; x<10; x++) {
#ifdef TEENSYDUINO
uint8_t r = pgm_read_byte(&appleBitmap[(y * 10 + x)*4 + 0]);
uint8_t g = pgm_read_byte(&appleBitmap[(y * 10 + x)*4 + 1]);
uint8_t b = pgm_read_byte(&appleBitmap[(y * 10 + x)*4 + 2]);
uint8_t a = pgm_read_byte(&appleBitmap[(y * 10 + x)*4 + 3]);
#else
const uint8_t *p = &appleBitmap[(y * 10 + (x-1))*4];
uint8_t r, g, b, a;
r = p[0];
g = p[1];
b = p[2];
a = p[3];
#endif
// It's RGBA; blend w/ background color
float alpha = (float)a / 255.0;
r = (float)r * alpha + (bgr * (1.0 - alpha));
g = (float)g * alpha + (bgg * (1.0 - alpha));
b = (float)b * alpha + (bgb * (1.0 - alpha));
g_display->drawPixel(x+xoff, y+yoff, r, g, b);
}
}
}