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more font and text functions

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This commit is contained in:
Dennis Ranke
2021-12-08 23:59:58 +01:00
parent 1e9910a983
commit ed24904d60
7 changed files with 54 additions and 6 deletions
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23
platform/src/platform.cwa
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@@ -55,9 +55,6 @@ export fn fmod(a: f32, b: f32) -> f32 {
// DRAWING //
/////////////
global mut textCursorX = 0;
global mut textCursorY = 0;
export fn cls(col: i32) {
let i: i32;
textCursorX = 0;
@@ -142,7 +139,10 @@ export fn circle(cx: f32, cy: f32, radius: f32, col: i32) {
// TEXT //
//////////
global mut textCursorX = 0;
global mut textCursorY = 0;
global mut textColor = 15;
global mut bgColor = 0;
export fn printChar(char: i32) {
if char == 10 | textCursorX >= 320 {
@@ -156,9 +156,7 @@ export fn printChar(char: i32) {
let bits = (char * 8 + y)?0x13400;
let x = 0;
loop pixels {
if (bits := bits << 1) & 256 {
setPixel(textCursorX + x, textCursorY + y, textColor);
}
setPixel(textCursorX + x, textCursorY + y, select((bits := bits << 1) & 256, textColor, bgColor));
branch_if (x := x + 1) < 8: pixels;
}
branch_if (y := y + 1) < 8: rows;
@@ -191,6 +189,19 @@ export fn printInt(num: i32) {
printString(p);
}
export fn setTextColor(col: i32) {
textColor = col;
}
export fn setBackgroundColor(col: i32) {
bgColor = col;
}
export fn setCursorPosition(x: i32, y: i32) {
textCursorX = x * 8;
textCursorY = y * 8;
}
///////////
// SETUP //
///////////