This commit is contained in:
Branimir Karadžić 2014-06-27 21:47:33 -07:00
Родитель d1b6cc762c
Коммит 167a6717c5
4 изменённых файлов: 329 добавлений и 340 удалений

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@ -206,14 +206,6 @@ void imguiEnum(LightType::Enum& _enum)
); );
} }
void imguiBool(const char* _str, bool& _flag, bool _enabled = true)
{
if (imguiCheck(_str, _flag, _enabled) )
{
_flag = !_flag;
}
}
struct PosNormalTexcoordVertex struct PosNormalTexcoordVertex
{ {
float m_x; float m_x;

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@ -382,29 +382,6 @@ void screenSpaceQuad(float _textureWidth, float _textureHeight, bool _originBott
} }
} }
void imguiBool(const char* _str, bool& _flag, bool _enabled = true)
{
if (imguiCheck(_str, _flag, _enabled) )
{
_flag = !_flag;
}
}
void imguiColorWheel(const char* _str, float _color[3], bool* _activated, bool _enabled = true)
{
char buf[128];
bx::snprintf(buf, 127, "%s [RGB %-2.2f %-2.2f %-2.2f]", _str, _color[0], _color[1], _color[2]);
if (imguiButton(buf, true))
{
*_activated = !*_activated;
}
if (*_activated)
{
imguiColorWheel(_color, false, _enabled);
}
}
int _main_(int /*_argc*/, char** /*_argv*/) int _main_(int /*_argc*/, char** /*_argv*/)
{ {
uint32_t width = 1280; uint32_t width = 1280;
@ -595,9 +572,9 @@ int _main_(int /*_argc*/, char** /*_argv*/)
imguiSlider("Glossiness" , &settings.m_glossiness, 0.0f, 1.0f, 0.01f); imguiSlider("Glossiness" , &settings.m_glossiness, 0.0f, 1.0f, 0.01f);
imguiSeparator(); imguiSeparator();
imguiColorWheel("Diffuse color:", &settings.m_rgbDiff[0], &settings.m_showDiffColorWheel); imguiColorWheel("Diffuse color:", &settings.m_rgbDiff[0], settings.m_showDiffColorWheel);
imguiSeparator(); imguiSeparator();
imguiColorWheel("Specular color:", &settings.m_rgbSpec[0], &settings.m_showSpecColorWheel); imguiColorWheel("Specular color:", &settings.m_rgbSpec[0], settings.m_showSpecColorWheel);
imguiSeparator(); imguiSeparator();
imguiLabel("Predefined materials:"); imguiLabel("Predefined materials:");

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@ -70,49 +70,213 @@ static void imguiFree(void* _ptr, void* /*_userptr*/)
namespace namespace
{ {
float sign(float px, float py, float ax, float ay, float bx, float by)
struct PosColorVertex
{
float m_x;
float m_y;
uint32_t m_abgr;
static void init()
{ {
ms_decl return (px - bx) * (ay - by) - (ax - bx) * (py - by);
.begin()
.add(bgfx::Attrib::Position, 2, bgfx::AttribType::Float)
.add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true)
.end();
} }
static bgfx::VertexDecl ms_decl; bool pointInTriangle(float px, float py, float ax, float ay, float bx, float by, float cx, float cy)
};
bgfx::VertexDecl PosColorVertex::ms_decl;
struct PosColorUvVertex
{
float m_x;
float m_y;
float m_u;
float m_v;
uint32_t m_abgr;
static void init()
{ {
ms_decl const bool b1 = sign(px, py, ax, ay, bx, by) < 0.0f;
.begin() const bool b2 = sign(px, py, bx, by, cx, cy) < 0.0f;
.add(bgfx::Attrib::Position, 2, bgfx::AttribType::Float) const bool b3 = sign(px, py, cx, cy, ax, ay) < 0.0f;
.add(bgfx::Attrib::TexCoord0, 2, bgfx::AttribType::Float)
.add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true) return ((b1 == b2) && (b2 == b3));
.end();
} }
static bgfx::VertexDecl ms_decl; void closestPointOnLine(float& ox, float &oy, float px, float py, float ax, float ay, float bx, float by)
}; {
float dx = px - ax;
float dy = py - ay;
bgfx::VertexDecl PosColorUvVertex::ms_decl; float lx = bx - ax;
float ly = by - ay;
float len = sqrtf(lx*lx+ly*ly);
// Normalize.
float invLen = 1.0f/len;
lx*=invLen;
ly*=invLen;
float dot = (dx*lx + dy*ly);
if (dot < 0.0f)
{
ox = ax;
oy = ay;
}
else if (dot > len)
{
ox = bx;
oy = by;
}
else
{
ox = ax + lx*dot;
oy = ay + ly*dot;
}
}
void closestPointOnTriangle(float& ox, float &oy, float px, float py, float ax, float ay, float bx, float by, float cx, float cy)
{
float abx, aby;
float bcx, bcy;
float cax, cay;
closestPointOnLine(abx, aby, px, py, ax, ay, bx, by);
closestPointOnLine(bcx, bcy, px, py, bx, by, cx, cy);
closestPointOnLine(cax, cay, px, py, cx, cy, ax, ay);
const float pabx = px - abx;
const float paby = py - aby;
const float pbcx = px - bcx;
const float pbcy = py - bcy;
const float pcax = px - cax;
const float pcay = py - cay;
const float lab = sqrtf(pabx*pabx+paby*paby);
const float lbc = sqrtf(pbcx*pbcx+pbcy*pbcy);
const float lca = sqrtf(pcax*pcax+pcay*pcay);
const float m = bx::fmin3(lab, lbc, lca);
if (m == lab)
{
ox = abx;
oy = aby;
}
else if (m == lbc)
{
ox = bcx;
oy = bcy;
}
else// if (m == lca).
{
ox = cax;
oy = cay;
}
}
/// Reference: http://codeitdown.com/hsl-hsb-hsv-color/
void rgbToHsv(float _hsv[3], const float _rgb[3])
{
const float min = bx::fmin3(_rgb[0], _rgb[1], _rgb[2]);
const float max = bx::fmax3(_rgb[0], _rgb[1], _rgb[2]);
const float delta = max - min;
if (0.0f == delta)
{
_hsv[0] = 0.0f; // Achromatic.
}
else
{
if (max == _rgb[0])
{
_hsv[0] = (_rgb[1]-_rgb[2])/delta + (_rgb[1]<_rgb[2]?6.0f:0.0f); // Between yellow and magenta.
}
else if(max == _rgb[1])
{
_hsv[0] = (_rgb[2]-_rgb[0])/delta + 2.0f; // Between cyan and yellow.
}
else //if(max == _rgb[2]).
{
_hsv[0] = (_rgb[0]-_rgb[1])/delta + 4.0f; // Between magenta and cyan.
}
_hsv[0] /= 6.0f;
}
_hsv[1] = max == 0.0f ? 0.0f : delta/max;
_hsv[2] = max;
}
/// Reference: http://codeitdown.com/hsl-hsb-hsv-color/
void hsvToRgb(float _rgb[3], const float _hsv[3])
{
const int32_t ii = int32_t(_hsv[0]*6.0f);
const float ff = _hsv[0]*6.0f - float(ii);
const float vv = _hsv[2];
const float pp = vv * (1.0f - _hsv[1]);
const float qq = vv * (1.0f - _hsv[1]*ff);
const float tt = vv * (1.0f - _hsv[1]*(1.0f-ff));
switch (ii)
{
case 0: _rgb[0] = vv; _rgb[1] = tt; _rgb[2] = pp; break;
case 1: _rgb[0] = qq; _rgb[1] = vv; _rgb[2] = pp; break;
case 2: _rgb[0] = pp; _rgb[1] = vv; _rgb[2] = tt; break;
case 3: _rgb[0] = pp; _rgb[1] = qq; _rgb[2] = vv; break;
case 4: _rgb[0] = tt; _rgb[1] = pp; _rgb[2] = vv; break;
case 5: _rgb[0] = vv; _rgb[1] = pp; _rgb[2] = qq; break;
}
}
inline float vec2Dot(const float* __restrict _a, const float* __restrict _b)
{
return _a[0]*_b[0] + _a[1]*_b[1];
}
void barycentric(float& _u, float& _v, float& _w
, float _ax, float _ay
, float _bx, float _by
, float _cx, float _cy
, float _px, float _py
)
{
const float v0[2] = { _bx - _ax, _by - _ay };
const float v1[2] = { _cx - _ax, _cy - _ay };
const float v2[2] = { _px - _ax, _py - _ay };
const float d00 = vec2Dot(v0, v0);
const float d01 = vec2Dot(v0, v1);
const float d11 = vec2Dot(v1, v1);
const float d20 = vec2Dot(v2, v0);
const float d21 = vec2Dot(v2, v1);
const float denom = d00 * d11 - d01 * d01;
_v = (d11 * d20 - d01 * d21) / denom;
_w = (d00 * d21 - d01 * d20) / denom;
_u = 1.0f - _v - _w;
}
struct PosColorVertex
{
float m_x;
float m_y;
uint32_t m_abgr;
static void init()
{
ms_decl
.begin()
.add(bgfx::Attrib::Position, 2, bgfx::AttribType::Float)
.add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true)
.end();
}
static bgfx::VertexDecl ms_decl;
};
bgfx::VertexDecl PosColorVertex::ms_decl;
struct PosColorUvVertex
{
float m_x;
float m_y;
float m_u;
float m_v;
uint32_t m_abgr;
static void init()
{
ms_decl
.begin()
.add(bgfx::Attrib::Position, 2, bgfx::AttribType::Float)
.add(bgfx::Attrib::TexCoord0, 2, bgfx::AttribType::Float)
.add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true)
.end();
}
static bgfx::VertexDecl ms_decl;
};
bgfx::VertexDecl PosColorUvVertex::ms_decl;
} // namespace } // namespace
@ -1394,187 +1558,8 @@ struct Imgui
} }
} }
/// Assumes _min < _max.
inline float clampf(float _val, float _min, float _max)
{
return ( _val > _max ? _max
: _val < _min ? _min
: _val
);
}
float sign(float px, float py, float ax, float ay, float bx, float by)
{
return (px - bx) * (ay - by) - (ax - bx) * (py - by);
}
bool pointInTriangle(float px, float py, float ax, float ay, float bx, float by, float cx, float cy)
{
const bool b1 = sign(px, py, ax, ay, bx, by) < 0.0f;
const bool b2 = sign(px, py, bx, by, cx, cy) < 0.0f;
const bool b3 = sign(px, py, cx, cy, ax, ay) < 0.0f;
return ((b1 == b2) && (b2 == b3));
}
void closestPointOnLine(float& ox, float &oy, float px, float py, float ax, float ay, float bx, float by)
{
float dx = px - ax;
float dy = py - ay;
float lx = bx - ax;
float ly = by - ay;
float len = sqrtf(lx*lx+ly*ly);
// Normalize.
float invLen = 1.0f/len;
lx*=invLen;
ly*=invLen;
float dot = (dx*lx + dy*ly);
if (dot < 0.0f)
{
ox = ax;
oy = ay;
}
else if (dot > len)
{
ox = bx;
oy = by;
}
else
{
ox = ax + lx*dot;
oy = ay + ly*dot;
}
}
void closestPointOnTriangle(float& ox, float &oy, float px, float py, float ax, float ay, float bx, float by, float cx, float cy)
{
float abx, aby;
float bcx, bcy;
float cax, cay;
closestPointOnLine(abx, aby, px, py, ax, ay, bx, by);
closestPointOnLine(bcx, bcy, px, py, bx, by, cx, cy);
closestPointOnLine(cax, cay, px, py, cx, cy, ax, ay);
const float pabx = px - abx;
const float paby = py - aby;
const float pbcx = px - bcx;
const float pbcy = py - bcy;
const float pcax = px - cax;
const float pcay = py - cay;
const float lab = sqrtf(pabx*pabx+paby*paby);
const float lbc = sqrtf(pbcx*pbcx+pbcy*pbcy);
const float lca = sqrtf(pcax*pcax+pcay*pcay);
const float m = bx::fmin(lab, bx::fmin(lbc, lca));
if (m == lab)
{
ox = abx;
oy = aby;
}
else if (m == lbc)
{
ox = bcx;
oy = bcy;
}
else// if (m == lca).
{
ox = cax;
oy = cay;
}
}
/// Reference: http://codeitdown.com/hsl-hsb-hsv-color/
void rgbToHsv(float _hsv[3], const float _rgb[3])
{
const float min = bx::fmin(_rgb[0], bx::fmin(_rgb[1], _rgb[2]));
const float max = bx::fmax(_rgb[0], bx::fmax(_rgb[1], _rgb[2]));
const float delta = max - min;
if (0.0f == delta)
{
_hsv[0] = 0.0f; // Achromatic.
}
else
{
if (max == _rgb[0])
{
_hsv[0] = (_rgb[1]-_rgb[2])/delta + (_rgb[1]<_rgb[2]?6.0f:0.0f); // Between yellow and magenta.
}
else if(max == _rgb[1])
{
_hsv[0] = (_rgb[2]-_rgb[0])/delta + 2.0f; // Between cyan and yellow.
}
else //if(max == _rgb[2]).
{
_hsv[0] = (_rgb[0]-_rgb[1])/delta + 4.0f; // Between magenta and cyan.
}
_hsv[0] /= 6.0f;
}
_hsv[1] = max == 0.0f ? 0.0f : delta/max;
_hsv[2] = max;
}
/// Reference: http://codeitdown.com/hsl-hsb-hsv-color/
void hsvToRgb(float _rgb[3], const float _hsv[3])
{
const int32_t ii = int32_t(_hsv[0]*6.0f);
const float ff = _hsv[0]*6.0f - float(ii);
const float vv = _hsv[2];
const float pp = vv * (1.0f - _hsv[1]);
const float qq = vv * (1.0f - _hsv[1]*ff);
const float tt = vv * (1.0f - _hsv[1]*(1.0f-ff));
switch (ii)
{
case 0: _rgb[0] = vv; _rgb[1] = tt; _rgb[2] = pp; break;
case 1: _rgb[0] = qq; _rgb[1] = vv; _rgb[2] = pp; break;
case 2: _rgb[0] = pp; _rgb[1] = vv; _rgb[2] = tt; break;
case 3: _rgb[0] = pp; _rgb[1] = qq; _rgb[2] = vv; break;
case 4: _rgb[0] = tt; _rgb[1] = pp; _rgb[2] = vv; break;
case 5: _rgb[0] = vv; _rgb[1] = pp; _rgb[2] = qq; break;
}
}
inline float vec2Dot(const float* __restrict _a, const float* __restrict _b)
{
return _a[0]*_b[0] + _a[1]*_b[1];
}
void barycentric(float& _u, float& _v, float& _w
, float _ax, float _ay
, float _bx, float _by
, float _cx, float _cy
, float _px, float _py
)
{
const float v0[2] = { _bx - _ax, _by - _ay };
const float v1[2] = { _cx - _ax, _cy - _ay };
const float v2[2] = { _px - _ax, _py - _ay };
const float d00 = vec2Dot(v0, v0);
const float d01 = vec2Dot(v0, v1);
const float d11 = vec2Dot(v1, v1);
const float d20 = vec2Dot(v2, v0);
const float d21 = vec2Dot(v2, v1);
const float denom = d00 * d11 - d01 * d01;
_v = (d11 * d20 - d01 * d21) / denom;
_w = (d00 * d21 - d01 * d20) / denom;
_u = 1.0f - _v - _w;
}
void colorWheelWidget(float _color[3], bool _respectIndentation, bool _enabled) void colorWheelWidget(float _color[3], bool _respectIndentation, bool _enabled)
{ {
if (NULL == m_nvg)
{
return;
}
m_widgetId++; m_widgetId++;
const uint32_t wheelId = (m_areaId << 16) | m_widgetId; const uint32_t wheelId = (m_areaId << 16) | m_widgetId;
m_widgetId++; m_widgetId++;
@ -1635,7 +1620,8 @@ struct Imgui
} }
// Set hue. // Set hue.
if (m_left && isActive(wheelId)) if (m_left
&& isActive(wheelId))
{ {
hsv[0] = atan2f(cmy, cmx)/NVG_PI*0.5f; hsv[0] = atan2f(cmy, cmx)/NVG_PI*0.5f;
if (hsv[0] < 0.0f) if (hsv[0] < 0.0f)
@ -1646,7 +1632,9 @@ struct Imgui
} }
if (_enabled && m_left && isActive(triangleId)) if (_enabled
&& m_left
&& isActive(triangleId))
{ {
float an = -hsv[0]*NVG_PI*2.0f; float an = -hsv[0]*NVG_PI*2.0f;
float tmx = (cmx*cosf(an)-cmy*sinf(an)); float tmx = (cmx*cosf(an)-cmy*sinf(an));
@ -1692,111 +1680,112 @@ struct Imgui
float uu, vv, ww; float uu, vv, ww;
barycentric(uu, vv, ww barycentric(uu, vv, ww
, aa[0], aa[1] , aa[0], aa[1]
, bb[0], bb[1] , bb[0], bb[1]
, cc[0], cc[1] , cc[0], cc[1]
, sel[0], sel[1] , sel[0], sel[1]
); );
const float val = clampf(1.0f-vv, 0.0001f, 1.0f); const float val = bx::fclamp(1.0f-vv, 0.0001f, 1.0f);
const float sat = clampf(uu/val, 0.0001f, 1.0f); const float sat = bx::fclamp(uu/val, 0.0001f, 1.0f);
const float out[3] = { hsv[0], sat, val }; const float out[3] = { hsv[0], sat, val };
hsvToRgb(_color, out); hsvToRgb(_color, out);
// Draw widget. // Draw widget.
nvgSave(m_nvg); nvgSave(m_nvg);
const float drawSaturation = _enabled ? 1.0f : 0.0f;
// Circle.
for (uint8_t ii = 0; ii < 6; ii++)
{ {
const float a0 = float(ii)/6.0f * 2.0f*NVG_PI - aeps; const float drawSaturation = _enabled ? 1.0f : 0.0f;
const float a1 = float(ii+1.0f)/6.0f * 2.0f*NVG_PI + aeps;
// Circle.
for (uint8_t ii = 0; ii < 6; ii++)
{
const float a0 = float(ii)/6.0f * 2.0f*NVG_PI - aeps;
const float a1 = float(ii+1.0f)/6.0f * 2.0f*NVG_PI + aeps;
nvgBeginPath(m_nvg);
nvgArc(m_nvg, center[0], center[1], ri, a0, a1, NVG_CW);
nvgArc(m_nvg, center[0], center[1], ro, a1, a0, NVG_CCW);
nvgClosePath(m_nvg);
const float ax = center[0] + cosf(a0) * (ri+ro)*0.5f;
const float ay = center[1] + sinf(a0) * (ri+ro)*0.5f;
const float bx = center[0] + cosf(a1) * (ri+ro)*0.5f;
const float by = center[1] + sinf(a1) * (ri+ro)*0.5f;
NVGpaint paint = nvgLinearGradient(m_nvg
, ax, ay
, bx, by
, nvgHSLA(a0/NVG_PI*0.5f,drawSaturation,0.55f,255)
, nvgHSLA(a1/NVG_PI*0.5f,drawSaturation,0.55f,255)
);
nvgFillPaint(m_nvg, paint);
nvgFill(m_nvg);
}
// Circle stroke.
nvgBeginPath(m_nvg); nvgBeginPath(m_nvg);
nvgArc(m_nvg, center[0], center[1], ri, a0, a1, NVG_CW); nvgCircle(m_nvg, center[0], center[1], ri-0.5f);
nvgArc(m_nvg, center[0], center[1], ro, a1, a0, NVG_CCW); nvgCircle(m_nvg, center[0], center[1], ro+0.5f);
nvgClosePath(m_nvg);
const float ax = center[0] + cosf(a0) * (ri+ro)*0.5f;
const float ay = center[1] + sinf(a0) * (ri+ro)*0.5f;
const float bx = center[0] + cosf(a1) * (ri+ro)*0.5f;
const float by = center[1] + sinf(a1) * (ri+ro)*0.5f;
NVGpaint paint = nvgLinearGradient(m_nvg
, ax, ay
, bx, by
, nvgHSLA(a0/NVG_PI*0.5f,drawSaturation,0.55f,255)
, nvgHSLA(a1/NVG_PI*0.5f,drawSaturation,0.55f,255)
);
nvgFillPaint(m_nvg, paint);
nvgFill(m_nvg);
}
// Circle stroke.
nvgBeginPath(m_nvg);
nvgCircle(m_nvg, center[0], center[1], ri-0.5f);
nvgCircle(m_nvg, center[0], center[1], ro+0.5f);
nvgStrokeColor(m_nvg, nvgRGBA(0,0,0,64));
nvgStrokeWidth(m_nvg, 1.0f);
nvgStroke(m_nvg);
nvgSave(m_nvg);
{
// Hue selector.
nvgTranslate(m_nvg, center[0], center[1]);
nvgRotate(m_nvg, hsv[0]*NVG_PI*2.0f);
nvgStrokeWidth(m_nvg, 2.0f);
nvgBeginPath(m_nvg);
nvgRect(m_nvg, ri-1.0f,-3.0f,rd+2.0f,6.0f);
nvgStrokeColor(m_nvg, nvgRGBA(255,255,255,192));
nvgStroke(m_nvg);
// Hue selector drop shadow.
NVGpaint paint = nvgBoxGradient(m_nvg, ri-3.0f,-5.0f,ro-ri+6.0f,10.0f, 2.0f,4.0f, nvgRGBA(0,0,0,128), nvgRGBA(0,0,0,0));
nvgBeginPath(m_nvg);
nvgRect(m_nvg, ri-2.0f-10.0f,-4.0f-10.0f,ro-ri+4.0f+20.0f,8.0f+20.0f);
nvgRect(m_nvg, ri-2.0f,-4.0f,ro-ri+4.0f,8.0f);
nvgPathWinding(m_nvg, NVG_HOLE);
nvgFillPaint(m_nvg, paint);
nvgFill(m_nvg);
// Center triangle stroke.
nvgBeginPath(m_nvg);
nvgMoveTo(m_nvg, aa[0], aa[1]);
nvgLineTo(m_nvg, bb[0], bb[1]);
nvgLineTo(m_nvg, cc[0], cc[1]);
nvgClosePath(m_nvg);
nvgStrokeColor(m_nvg, nvgRGBA(0,0,0,64)); nvgStrokeColor(m_nvg, nvgRGBA(0,0,0,64));
nvgStrokeWidth(m_nvg, 1.0f);
nvgStroke(m_nvg); nvgStroke(m_nvg);
// Center triangle fill. nvgSave(m_nvg);
paint = nvgLinearGradient(m_nvg, aa[0], aa[1], bb[0], bb[1], nvgHSL(hsv[0],drawSaturation,0.5f), nvgRGBA(0,0,0,255)); {
nvgFillPaint(m_nvg, paint); // Hue selector.
nvgFill(m_nvg); nvgTranslate(m_nvg, center[0], center[1]);
paint = nvgLinearGradient(m_nvg, (aa[0]+bb[0])*0.5f, (aa[1]+bb[1])*0.5f, cc[0], cc[1], nvgRGBA(0,0,0,0), nvgRGBA(255,255,255,255)); nvgRotate(m_nvg, hsv[0]*NVG_PI*2.0f);
nvgFillPaint(m_nvg, paint); nvgStrokeWidth(m_nvg, 2.0f);
nvgFill(m_nvg); nvgBeginPath(m_nvg);
nvgRect(m_nvg, ri-1.0f,-3.0f,rd+2.0f,6.0f);
nvgStrokeColor(m_nvg, nvgRGBA(255,255,255,192));
nvgStroke(m_nvg);
// Color selector. // Hue selector drop shadow.
nvgStrokeWidth(m_nvg, 2.0f); NVGpaint paint = nvgBoxGradient(m_nvg, ri-3.0f,-5.0f,ro-ri+6.0f,10.0f, 2.0f,4.0f, nvgRGBA(0,0,0,128), nvgRGBA(0,0,0,0));
nvgBeginPath(m_nvg); nvgBeginPath(m_nvg);
nvgCircle(m_nvg, sel[0], sel[1], 5); nvgRect(m_nvg, ri-2.0f-10.0f,-4.0f-10.0f,ro-ri+4.0f+20.0f,8.0f+20.0f);
nvgStrokeColor(m_nvg, nvgRGBA(255,255,255,192)); nvgRect(m_nvg, ri-2.0f,-4.0f,ro-ri+4.0f,8.0f);
nvgStroke(m_nvg); nvgPathWinding(m_nvg, NVG_HOLE);
nvgFillPaint(m_nvg, paint);
nvgFill(m_nvg);
// Color selector stroke. // Center triangle stroke.
paint = nvgRadialGradient(m_nvg, sel[0], sel[1], 7.0f, 9.0f, nvgRGBA(0,0,0,64), nvgRGBA(0,0,0,0)); nvgBeginPath(m_nvg);
nvgBeginPath(m_nvg); nvgMoveTo(m_nvg, aa[0], aa[1]);
nvgRect(m_nvg, sel[0]-20.0f, sel[1]-20.0f, 40.0f, 40.0f); nvgLineTo(m_nvg, bb[0], bb[1]);
nvgCircle(m_nvg, sel[0], sel[1], 7.0f); nvgLineTo(m_nvg, cc[0], cc[1]);
nvgPathWinding(m_nvg, NVG_HOLE); nvgClosePath(m_nvg);
nvgFillPaint(m_nvg, paint); nvgStrokeColor(m_nvg, nvgRGBA(0,0,0,64));
nvgFill(m_nvg); nvgStroke(m_nvg);
// Center triangle fill.
paint = nvgLinearGradient(m_nvg, aa[0], aa[1], bb[0], bb[1], nvgHSL(hsv[0],drawSaturation,0.5f), nvgRGBA(0,0,0,255));
nvgFillPaint(m_nvg, paint);
nvgFill(m_nvg);
paint = nvgLinearGradient(m_nvg, (aa[0]+bb[0])*0.5f, (aa[1]+bb[1])*0.5f, cc[0], cc[1], nvgRGBA(0,0,0,0), nvgRGBA(255,255,255,255));
nvgFillPaint(m_nvg, paint);
nvgFill(m_nvg);
// Color selector.
nvgStrokeWidth(m_nvg, 2.0f);
nvgBeginPath(m_nvg);
nvgCircle(m_nvg, sel[0], sel[1], 5);
nvgStrokeColor(m_nvg, nvgRGBA(255,255,255,192));
nvgStroke(m_nvg);
// Color selector stroke.
paint = nvgRadialGradient(m_nvg, sel[0], sel[1], 7.0f, 9.0f, nvgRGBA(0,0,0,64), nvgRGBA(0,0,0,0));
nvgBeginPath(m_nvg);
nvgRect(m_nvg, sel[0]-20.0f, sel[1]-20.0f, 40.0f, 40.0f);
nvgCircle(m_nvg, sel[0], sel[1], 7.0f);
nvgPathWinding(m_nvg, NVG_HOLE);
nvgFillPaint(m_nvg, paint);
nvgFill(m_nvg);
}
nvgRestore(m_nvg);
} }
nvgRestore(m_nvg); nvgRestore(m_nvg);
nvgRestore(m_nvg);
} }
int32_t m_mx; int32_t m_mx;
@ -2001,7 +1990,36 @@ int imguiReserve(int _y)
return yy; return yy;
} }
void imguiColorWheel(float _color[3], bool _respectIndentation, bool _enabled) void imguiBool(const char* _text, bool& _flag, bool _enabled)
{ {
s_imgui.colorWheelWidget(_color, _respectIndentation, _enabled); if (imguiCheck(_text, _flag, _enabled) )
{
_flag = !_flag;
}
}
void imguiColorWheel(float _rgb[3], bool _respectIndentation, bool _enabled)
{
s_imgui.colorWheelWidget(_rgb, _respectIndentation, _enabled);
}
void imguiColorWheel(const char* _text, float _rgb[3], bool& _activated, bool _enabled)
{
char buf[128];
bx::snprintf(buf, sizeof(buf), "%s [RGB %-2.2f %-2.2f %-2.2f]"
, _text
, _rgb[0]
, _rgb[1]
, _rgb[2]
);
if (imguiButton(buf, true) )
{
_activated = !_activated;
}
if (_activated)
{
imguiColorWheel(_rgb, false, _enabled);
}
} }

Просмотреть файл

@ -83,6 +83,8 @@ void imguiDrawRoundedRect(float _x, float _y, float _w, float _h, float _r, uint
void imguiDrawRect(float _x, float _y, float _w, float _h, uint32_t _argb); void imguiDrawRect(float _x, float _y, float _w, float _h, uint32_t _argb);
int imguiReserve(int _y); int imguiReserve(int _y);
void imguiColorWheel(float _color[3], bool _respectIndentation = false, bool _enabled = true); void imguiBool(const char* _text, bool& _flag, bool _enabled = true);
void imguiColorWheel(float _rgb[3], bool _respectIndentation = false, bool _enabled = true);
void imguiColorWheel(const char* _str, float _rgb[3], bool& _activated, bool _enabled = true);
#endif // IMGUI_H_HEADER_GUARD #endif // IMGUI_H_HEADER_GUARD