static void
vga_putch(char c)
{
u8_t color = gen_color(LIGHT_GREY, BLACK);
u16_t attribute = color << 8;
u16_t *location;
if (c == BACKSPACE && cursor_x)
cursor_x--;
else if (c == TAB)
cursor_x = (cursor_x + 8) & ~(8 - 1);
else if (c == '\r')
cursor_x = 0;
else if (c == '\n') {
cursor_x = 0;
cursor_y++;
} else if (c >= ' ') {
location = video_mem + (cursor_y * COLUMNS + cursor_x);
*location = c | attribute;
cursor_x++;
}
if (cursor_x >= COLUMNS) {
cursor_x = 0;
cursor_y++;
}
scroll();
update_cursor(cursor_y, cursor_x);
}
void
vga_clear(void)
{
u8_t color = gen_color(WHITE, BLACK);
u16_t blank = ((u8_t)' ') | color << 8;
wmemset(video_mem, blank, COLUMNS*LINES);
}
static void
scroll(void)
{
u16_t blank = ((u8_t)' ') | gen_color(WHITE, BLACK);
unsigned i;
if (cursor_y < LINES)
return;
for (i = 0; i < (LINES-1)*COLUMNS; i++)
video_mem[i] = video_mem[i + COLUMNS];
wmemset(video_mem + ((LINES - 1)*COLUMNS), blank, COLUMNS);
cursor_y = LINES - 1;
}
int main(int argc, char **argv) {
int x,y;
#if 1
printf("GIMP Palette\n");
printf("Name: Apple II Lores Dither.gpl\n");
printf("Columns: 16\n");
printf("#\n");
for(x=0;x<16;x++) {
for(y=0;y<16;y++) {
gen_color(x,y);
}
}
#else
for(x=0;x<16;x++) {
for(y=0;y<16;y++) {
hex_color(x,y);
}
}
#endif
return 0;
}
long mk_part(long index, part_t *p)
{
long mfgr,cat,brnd;
static int bInit = 0;
static char szFormat[100];
static char szBrandFormat[100];
if (!bInit) {
TRACE( TRACE_ALWAYS, "Init mk_part ..\n");
bInit = 1;
}
p->partkey = index;
agg_str(&colors, (long)P_NAME_SCL, (long)P_NAME_SD, p->name);
/*extract color from substring of p->name*/
p->clen =gen_color(p->name,p->color);
RANDOM(mfgr, P_MFG_MIN, P_MFG_MAX, P_MFG_SD);
sprintf(p->mfgr, "%s%ld", "MFGR#", mfgr);
RANDOM(cat, P_CAT_MIN, P_CAT_MAX, P_CAT_SD);
sprintf(p->category, "%s%ld", p->mfgr,cat);
RANDOM(brnd, P_BRND_MIN, P_BRND_MAX, P_BRND_SD);
sprintf(p->brand,"%s%ld",p->category,brnd);
p->tlen = pick_str(&p_types_set, P_TYPE_SD, p->type);
p->tlen = strlen(p_types_set.list[p->tlen].text);
RANDOM(p->size, P_SIZE_MIN, P_SIZE_MAX, P_SIZE_SD);
pick_str(&p_cntr_set, P_CNTR_SD, p->container);
return (0);
}
void onDraw(SkCanvas* canvas) override {
SkRandom rand(1);
canvas->translate(20 * SK_Scalar1, 20 * SK_Scalar1);
const SkRect rect = SkRect::MakeLTRB(-20, -30, 20, 30);
SkRRect circleRect;
circleRect.setRectXY(rect, 5, 5);
const SkScalar kXStart = 60.0f;
const SkScalar kYStart = 80.0f;
const int kXStep = 150;
const int kYStep = 160;
int maxX = fMatrices.count();
SkPaint rectPaint;
rectPaint.setAntiAlias(true);
rectPaint.setStyle(SkPaint::kStroke_Style);
rectPaint.setStrokeWidth(SkIntToScalar(0));
rectPaint.setColor(sk_tool_utils::color_to_565(SK_ColorLTGRAY));
int testCount = 0;
for (int i = 0; i < fPaints.count(); ++i) {
for (int j = 0; j < fMatrices.count(); ++j) {
canvas->save();
SkMatrix mat = fMatrices[j];
// position the roundrect, and make it at off-integer coords.
mat.postTranslate(kXStart + SK_Scalar1 * kXStep * (testCount % maxX) +
SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * (testCount / maxX) +
3 * SK_Scalar1 / 4);
canvas->concat(mat);
SkColor color = gen_color(&rand);
fPaints[i].setColor(color);
canvas->drawRect(rect, rectPaint);
canvas->drawRRect(circleRect, fPaints[i]);
canvas->restore();
++testCount;
}
}
// special cases
// non-scaled tall and skinny roundrect
for (int i = 0; i < fPaints.count(); ++i) {
SkRect rect = SkRect::MakeLTRB(-20, -60, 20, 60);
SkRRect ellipseRect;
ellipseRect.setRectXY(rect, 5, 10);
canvas->save();
// position the roundrect, and make it at off-integer coords.
canvas->translate(kXStart + SK_Scalar1 * kXStep * 2.55f + SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4);
SkColor color = gen_color(&rand);
fPaints[i].setColor(color);
canvas->drawRect(rect, rectPaint);
canvas->drawRRect(ellipseRect, fPaints[i]);
canvas->restore();
}
// non-scaled wide and short roundrect
for (int i = 0; i < fPaints.count(); ++i) {
SkRect rect = SkRect::MakeLTRB(-80, -30, 80, 30);
SkRRect ellipseRect;
ellipseRect.setRectXY(rect, 20, 5);
canvas->save();
// position the roundrect, and make it at off-integer coords.
canvas->translate(kXStart + SK_Scalar1 * kXStep * 4 + SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 +
SK_ScalarHalf * kYStep);
SkColor color = gen_color(&rand);
fPaints[i].setColor(color);
canvas->drawRect(rect, rectPaint);
canvas->drawRRect(ellipseRect, fPaints[i]);
canvas->restore();
}
// super skinny roundrect
for (int i = 0; i < fPaints.count(); ++i) {
SkRect rect = SkRect::MakeLTRB(0, -60, 1, 60);
SkRRect circleRect;
circleRect.setRectXY(rect, 5, 5);
canvas->save();
// position the roundrect, and make it at off-integer coords.
canvas->translate(kXStart + SK_Scalar1 * kXStep * 3.25f + SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4);
SkColor color = gen_color(&rand);
fPaints[i].setColor(color);
canvas->drawRRect(circleRect, fPaints[i]);
canvas->restore();
}
// super short roundrect
for (int i = 0; i < fPaints.count(); ++i) {
SkRect rect = SkRect::MakeLTRB(-80, -1, 80, 0);
SkRRect circleRect;
circleRect.setRectXY(rect, 5, 5);
canvas->save();
// position the roundrect, and make it at off-integer coords.
canvas->translate(kXStart + SK_Scalar1 * kXStep * 2.5f + SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 +
SK_ScalarHalf * kYStep);
SkColor color = gen_color(&rand);
fPaints[i].setColor(color);
canvas->drawRRect(circleRect, fPaints[i]);
canvas->restore();
}
// radial gradient
SkPoint center = SkPoint::Make(SkIntToScalar(0), SkIntToScalar(0));
SkColor colors[] = { SK_ColorBLUE, SK_ColorRED, SK_ColorGREEN };
SkScalar pos[] = { 0, SK_ScalarHalf, SK_Scalar1 };
auto shader = SkGradientShader::MakeRadial(center, 20, colors, pos, SK_ARRAY_COUNT(colors),
SkShader::kClamp_TileMode);
for (int i = 0; i < fPaints.count(); ++i) {
canvas->save();
// position the path, and make it at off-integer coords.
canvas->translate(kXStart + SK_Scalar1 * kXStep * 0 + SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 +
SK_ScalarHalf * kYStep);
SkColor color = gen_color(&rand);
fPaints[i].setColor(color);
fPaints[i].setShader(shader);
canvas->drawRect(rect, rectPaint);
canvas->drawRRect(circleRect, fPaints[i]);
fPaints[i].setShader(nullptr);
canvas->restore();
}
// strokes and radii
{
SkScalar radii[][2] = {
{10,10},
{5,15},
{5,15},
{5,15}
};
SkScalar strokeWidths[] = {
20, 10, 20, 40
};
for (int i = 0; i < 4; ++i) {
SkRRect circleRect;
circleRect.setRectXY(rect, radii[i][0], radii[i][1]);
canvas->save();
// position the roundrect, and make it at off-integer coords.
canvas->translate(kXStart + SK_Scalar1 * kXStep * 5 + SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * i + 3 * SK_Scalar1 / 4 +
SK_ScalarHalf * kYStep);
SkColor color = gen_color(&rand);
SkPaint p;
p.setAntiAlias(true);
p.setStyle(SkPaint::kStroke_Style);
p.setStrokeWidth(strokeWidths[i]);
p.setColor(color);
canvas->drawRRect(circleRect, p);
canvas->restore();
}
}
// test old entry point ( https://bug.skia.org/3786 )
{
canvas->save();
canvas->translate(kXStart + SK_Scalar1 * kXStep * 5 + SK_Scalar1 / 4,
kYStart + SK_Scalar1 * kYStep * 4 + SK_Scalar1 / 4 +
SK_ScalarHalf * kYStep);
const SkColor color = gen_color(&rand);
SkPaint p;
p.setColor(color);
const SkRect oooRect = { 20, 30, -20, -30 }; // intentionally out of order
canvas->drawRoundRect(oooRect, 10, 10, p);
canvas->restore();
}
// rrect with stroke > radius/2
{
SkRect smallRect = { -30, -20, 30, 20 };
SkRRect circleRect;
circleRect.setRectXY(smallRect, 5, 5);
canvas->save();
// position the roundrect, and make it at off-integer coords.
canvas->translate(kXStart + SK_Scalar1 * kXStep * 5 + SK_Scalar1 / 4,
kYStart - SK_Scalar1 * kYStep + 73 * SK_Scalar1 / 4 +
SK_ScalarHalf * kYStep);
SkColor color = gen_color(&rand);
SkPaint p;
p.setAntiAlias(true);
p.setStyle(SkPaint::kStroke_Style);
p.setStrokeWidth(25);
p.setColor(color);
canvas->drawRRect(circleRect, p);
canvas->restore();
}
}
