void DrawPointTint(GraphicsDevice *device, Vec2i pos, HSV tint)
{
Uint32 *screen = device->buf;
int idx = PixelIndex(
pos.x, pos.y,
device->cachedConfig.Res.x,
device->cachedConfig.Res.y);
color_t c;
if (pos.x < device->clipping.left || pos.x > device->clipping.right ||
pos.y < device->clipping.top || pos.y > device->clipping.bottom)
{
return;
}
c = PIXEL2COLOR(screen[idx]);
c = ColorTint(c, tint);
screen[idx] = COLOR2PIXEL(c);
}
static void DrawBackground(
GraphicsDevice *g, SDL_Texture *tTgt, SDL_Texture *t, DrawBuffer *buffer,
Map *map, const HSV tint, const struct vec2 pos, GrafxDrawExtra *extra)
{
BlitClearBuf(g);
DrawBufferSetFromMap(buffer, map, pos, X_TILES);
DrawBufferDraw(buffer, svec2i_zero(), extra);
BlitUpdateFromBuf(g, t);
BlitClearBuf(g);
const color_t mask = ColorTint(colorWhite, tint);
if (SDL_SetTextureColorMod(t, mask.r, mask.g, mask.b) != 0)
{
LOG(LM_GFX, LL_ERROR, "cannot set background tint: %s",
SDL_GetError());
}
if (SDL_SetTextureColorMod(tTgt, mask.r, mask.g, mask.b) != 0)
{
LOG(LM_GFX, LL_ERROR, "cannot set background tint: %s",
SDL_GetError());
}
}
static void DrawHealth(
GraphicsDevice *device, const TActor *actor, const Vec2i pos,
const FontAlign hAlign, const FontAlign vAlign)
{
char s[50];
Vec2i gaugePos = Vec2iAdd(pos, Vec2iNew(-1, -1));
Vec2i size = Vec2iNew(GAUGE_WIDTH, FontH() + 2);
HSV hsv = { 0.0, 1.0, 1.0 };
color_t barColor;
int health = actor->health;
const int maxHealth = ActorGetCharacter(actor)->maxHealth;
int innerWidth;
color_t backColor = { 50, 0, 0, 255 };
innerWidth = MAX(1, size.x * health / maxHealth);
if (actor->poisoned)
{
hsv.h = 120.0;
hsv.v = 0.5;
}
else
{
double maxHealthHue = 50.0;
double minHealthHue = 0.0;
hsv.h =
((maxHealthHue - minHealthHue) * health / maxHealth + minHealthHue);
}
barColor = ColorTint(colorWhite, hsv);
DrawGauge(
device, gaugePos, size, innerWidth, barColor, backColor,
hAlign, vAlign);
sprintf(s, "%d", health);
FontOpts opts = FontOptsNew();
opts.HAlign = hAlign;
opts.VAlign = vAlign;
opts.Area = gGraphicsDevice.cachedConfig.Res;
opts.Pad = pos;
FontStrOpt(s, Vec2iZero(), opts);
}
FEATURE_END
FEATURE(ColorTint, "Tint")
SCENARIO("Tint to gray (0 saturation)")
GIVEN("a color")
color_t c;
c.r = 123;
c.g = 234;
c.b = 45;
WHEN("I tint it with 0 saturation")
HSV hsv;
hsv.h = 0.0;
hsv.s = 0.0;
hsv.v = 1.0;
c = ColorTint(c, hsv);
THEN("the result should have equal RGB components")
SHOULD_INT_EQUAL(c.r, c.g);
SHOULD_INT_EQUAL(c.g, c.b);
SCENARIO_END
SCENARIO("Tint to white (max value)")
GIVEN("a color")
color_t c;
c.r = 123;
c.g = 234;
c.b = 45;
WHEN("I tint it with max value and no hue")
HSV hsv;
