aiie/apple/appleui.cpp
2022-01-16 15:51:24 -05:00

138 lines
3.5 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()
{
redrawFrame = false;
redrawDriveLatches = false;
redrawDriveActivity = false;
driveInserted[0] = driveInserted[1] = 0;
driveActivity[0] = driveActivity[1] = 0;
}
AppleUI::~AppleUI()
{
}
void AppleUI::drawStaticUIElement(uint8_t element)
{
// Only one static UI element right now...
if (element != UIeOverlay)
return;
redrawFrame = true;
}
void AppleUI::drawOnOffUIElement(uint8_t element, bool state)
{
if (element == UIeDisk1_state ||
element == UIeDisk2_state) {
driveInserted[element-UIeDisk1_state] = state;
redrawDriveLatches = true;
}
else if (element == UIeDisk1_activity ||
element == UIeDisk2_activity) {
driveActivity[element-UIeDisk1_activity] = state;
redrawDriveActivity = true;
}
}
void AppleUI::drawPercentageUIElement(uint8_t element, uint8_t percent)
{
// only 1 element of this type
if (element != UIePowerPercentage) {
return;
}
// Temporarily disabled; the API for this needs updating for resolution-independent display coordinates
// drawBatteryStatus(percent);
}
void AppleUI::drawBatteryStatus(uint8_t percent)
{
return; // *** FIXME: image and positioning not updated for new aspect ratio
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));
uint16_t color16 = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3);
g_display->drawUIPixel(x+xoff, y+yoff, color16);
}
}
}
void AppleUI::blit()
{
if (redrawFrame) {
redrawFrame = false;
g_display->drawImageOfSizeAt(displayBitmap, DBITMAP_WIDTH, DBITMAP_HEIGHT, 0, 0);
}
if (redrawDriveLatches) {
redrawDriveLatches = false;
const uint8_t *img;
img = driveInserted[0] ? drive1LatchOpen : drive1LatchClosed;
g_display->drawImageOfSizeAt(img, LATCH_WIDTH, LATCH_HEIGHT, LATCH_X, LATCH1_Y);
img = driveInserted[1] ? drive2LatchOpen : drive2LatchClosed;
g_display->drawImageOfSizeAt(img, LATCH_WIDTH, LATCH_HEIGHT, LATCH_X, LATCH2_Y);
}
if (redrawDriveActivity) {
redrawDriveActivity = false;
for (int y=0; y<LED_HEIGHT; y++) {
for (int x=0; x<LED_WIDTH; x++) {
g_display->drawUIPixel(x + LED_X, y + LED1_Y, driveActivity[0] ? 0xFA00 : 0x0000);
g_display->drawUIPixel(x + LED_X, y + LED2_Y, driveActivity[1] ? 0xFA00 : 0x0000);
}
}
}
}