void CXFA_FFPushButton::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (m_pNormalWidget->GetStylesEx() & XFA_FWL_PSBSTYLEEXT_HiliteInverted) {
if ((m_pNormalWidget->GetStates() & FWL_STATE_PSB_Pressed) &&
(m_pNormalWidget->GetStates() & FWL_STATE_PSB_Hovered)) {
CFX_RectF rtFill;
m_pNormalWidget->GetWidgetRect(rtFill);
rtFill.left = rtFill.top = 0;
FX_FLOAT fLineWith = GetLineWidth();
rtFill.Deflate(fLineWith, fLineWith);
CFX_Color cr(FXARGB_MAKE(128, 128, 255, 255));
pGraphics->SetFillColor(&cr);
CFX_Path path;
path.Create();
path.AddRectangle(rtFill.left, rtFill.top, rtFill.width, rtFill.height);
pGraphics->FillPath(&path, FXFILL_WINDING, (CFX_Matrix*)pMatrix);
}
} else if (m_pNormalWidget->GetStylesEx() &
XFA_FWL_PSBSTYLEEXT_HiliteOutLine) {
if ((m_pNormalWidget->GetStates() & FWL_STATE_PSB_Pressed) &&
(m_pNormalWidget->GetStates() & FWL_STATE_PSB_Hovered)) {
FX_FLOAT fLineWidth = GetLineWidth();
CFX_Color cr(FXARGB_MAKE(255, 128, 255, 255));
pGraphics->SetStrokeColor(&cr);
pGraphics->SetLineWidth(fLineWidth);
CFX_Path path;
path.Create();
CFX_RectF rect;
m_pNormalWidget->GetWidgetRect(rect);
path.AddRectangle(0, 0, rect.width, rect.height);
pGraphics->StrokePath(&path, (CFX_Matrix*)pMatrix);
}
}
}
DLLEXPORT void STDCALL FPDFBitmap_FillRect(FPDF_BITMAP bitmap, int left, int top, int width, int height,
int red, int green, int blue, int alpha)
{
if (bitmap == NULL) return;
#ifdef _SKIA_SUPPORT_
CFX_SkiaDevice device;
#else
CFX_FxgeDevice device;
#endif
device.Attach((CFX_DIBitmap*)bitmap);
if (!((CFX_DIBitmap*)bitmap)->HasAlpha()) alpha = 255;
FX_RECT rect(left, top, left+width, top+height);
device.FillRect(&rect, FXARGB_MAKE(alpha, red, green, blue));
}
void Draw(int x_scale,
int y_scale,
int left,
int bottom,
Coon_Bezier C1,
Coon_Bezier C2,
Coon_Bezier D1,
Coon_Bezier D2) {
FX_BOOL bSmall = C1.Distance() < 2 && C2.Distance() < 2 &&
D1.Distance() < 2 && D2.Distance() < 2;
Coon_Color div_colors[4];
int d_bottom, d_left, d_top, d_right;
div_colors[0].BiInterpol(patch_colors, left, bottom, x_scale, y_scale);
if (!bSmall) {
div_colors[1].BiInterpol(patch_colors, left, bottom + 1, x_scale,
y_scale);
div_colors[2].BiInterpol(patch_colors, left + 1, bottom + 1, x_scale,
y_scale);
div_colors[3].BiInterpol(patch_colors, left + 1, bottom, x_scale,
y_scale);
d_bottom = div_colors[3].Distance(div_colors[0]);
d_left = div_colors[1].Distance(div_colors[0]);
d_top = div_colors[1].Distance(div_colors[2]);
d_right = div_colors[2].Distance(div_colors[3]);
}
#define COONCOLOR_THRESHOLD 4
if (bSmall ||
(d_bottom < COONCOLOR_THRESHOLD && d_left < COONCOLOR_THRESHOLD &&
d_top < COONCOLOR_THRESHOLD && d_right < COONCOLOR_THRESHOLD)) {
FX_PATHPOINT* pPoints = path.GetPoints();
C1.GetPoints(pPoints);
D2.GetPoints(pPoints + 3);
C2.GetPointsReverse(pPoints + 6);
D1.GetPointsReverse(pPoints + 9);
int fillFlags = FXFILL_WINDING | FXFILL_FULLCOVER;
if (fill_mode & RENDER_NOPATHSMOOTH) {
fillFlags |= FXFILL_NOPATHSMOOTH;
}
pDevice->DrawPath(
&path, NULL, NULL,
FXARGB_MAKE(alpha, div_colors[0].comp[0], div_colors[0].comp[1],
div_colors[0].comp[2]),
0, fillFlags);
} else {
if (d_bottom < COONCOLOR_THRESHOLD && d_top < COONCOLOR_THRESHOLD) {
Coon_Bezier m1;
m1.BezierInterpol(D1, D2, C1, C2);
y_scale *= 2;
bottom *= 2;
Draw(x_scale, y_scale, left, bottom, C1, m1, D1.first_half(),
D2.first_half());
Draw(x_scale, y_scale, left, bottom + 1, m1, C2, D1.second_half(),
D2.second_half());
} else if (d_left < COONCOLOR_THRESHOLD &&
d_right < COONCOLOR_THRESHOLD) {
Coon_Bezier m2;
m2.BezierInterpol(C1, C2, D1, D2);
x_scale *= 2;
left *= 2;
Draw(x_scale, y_scale, left, bottom, C1.first_half(), C2.first_half(),
D1, m2);
Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(),
C2.second_half(), m2, D2);
} else {
Coon_Bezier m1, m2;
m1.BezierInterpol(D1, D2, C1, C2);
m2.BezierInterpol(C1, C2, D1, D2);
Coon_Bezier m1f = m1.first_half();
Coon_Bezier m1s = m1.second_half();
Coon_Bezier m2f = m2.first_half();
Coon_Bezier m2s = m2.second_half();
x_scale *= 2;
y_scale *= 2;
left *= 2;
bottom *= 2;
Draw(x_scale, y_scale, left, bottom, C1.first_half(), m1f,
D1.first_half(), m2f);
Draw(x_scale, y_scale, left, bottom + 1, m1f, C2.first_half(),
D1.second_half(), m2s);
Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(), m1s, m2f,
D2.first_half());
Draw(x_scale, y_scale, left + 1, bottom + 1, m1s, C2.second_half(), m2s,
D2.second_half());
}
}
}
static void DrawGouraud(CFX_DIBitmap* pBitmap,
int alpha,
CPDF_MeshVertex triangle[3]) {
FX_FLOAT min_y = triangle[0].y, max_y = triangle[0].y;
for (int i = 1; i < 3; i++) {
if (min_y > triangle[i].y) {
min_y = triangle[i].y;
}
if (max_y < triangle[i].y) {
max_y = triangle[i].y;
}
}
if (min_y == max_y) {
return;
}
int min_yi = (int)FXSYS_floor(min_y), max_yi = (int)FXSYS_ceil(max_y);
if (min_yi < 0) {
min_yi = 0;
}
if (max_yi >= pBitmap->GetHeight()) {
max_yi = pBitmap->GetHeight() - 1;
}
for (int y = min_yi; y <= max_yi; y++) {
int nIntersects = 0;
FX_FLOAT inter_x[3], r[3], g[3], b[3];
for (int i = 0; i < 3; i++) {
CPDF_MeshVertex& vertex1 = triangle[i];
CPDF_MeshVertex& vertex2 = triangle[(i + 1) % 3];
FX_BOOL bIntersect = _GetScanlineIntersect(
y, vertex1.x, vertex1.y, vertex2.x, vertex2.y, inter_x[nIntersects]);
if (!bIntersect) {
continue;
}
r[nIntersects] =
vertex1.r + FXSYS_MulDiv(vertex2.r - vertex1.r, y - vertex1.y,
vertex2.y - vertex1.y);
g[nIntersects] =
vertex1.g + FXSYS_MulDiv(vertex2.g - vertex1.g, y - vertex1.y,
vertex2.y - vertex1.y);
b[nIntersects] =
vertex1.b + FXSYS_MulDiv(vertex2.b - vertex1.b, y - vertex1.y,
vertex2.y - vertex1.y);
nIntersects++;
}
if (nIntersects != 2) {
continue;
}
int min_x, max_x, start_index, end_index;
if (inter_x[0] < inter_x[1]) {
min_x = (int)FXSYS_floor(inter_x[0]);
max_x = (int)FXSYS_ceil(inter_x[1]);
start_index = 0;
end_index = 1;
} else {
min_x = (int)FXSYS_floor(inter_x[1]);
max_x = (int)FXSYS_ceil(inter_x[0]);
start_index = 1;
end_index = 0;
}
int start_x = min_x, end_x = max_x;
if (start_x < 0) {
start_x = 0;
}
if (end_x > pBitmap->GetWidth()) {
end_x = pBitmap->GetWidth();
}
uint8_t* dib_buf =
pBitmap->GetBuffer() + y * pBitmap->GetPitch() + start_x * 4;
FX_FLOAT r_unit = (r[end_index] - r[start_index]) / (max_x - min_x);
FX_FLOAT g_unit = (g[end_index] - g[start_index]) / (max_x - min_x);
FX_FLOAT b_unit = (b[end_index] - b[start_index]) / (max_x - min_x);
FX_FLOAT R = r[start_index] + (start_x - min_x) * r_unit;
FX_FLOAT G = g[start_index] + (start_x - min_x) * g_unit;
FX_FLOAT B = b[start_index] + (start_x - min_x) * b_unit;
for (int x = start_x; x < end_x; x++) {
R += r_unit;
G += g_unit;
B += b_unit;
FXARGB_SETDIB(dib_buf,
FXARGB_MAKE(alpha, (int32_t)(R * 255), (int32_t)(G * 255),
(int32_t)(B * 255)));
dib_buf += 4;
}
}
}
static void DrawFuncShading(CFX_DIBitmap* pBitmap,
CFX_Matrix* pObject2Bitmap,
CPDF_Dictionary* pDict,
CPDF_Function** pFuncs,
int nFuncs,
CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
CPDF_Array* pDomain = pDict->GetArray("Domain");
FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f;
if (pDomain) {
xmin = pDomain->GetNumber(0);
xmax = pDomain->GetNumber(1);
ymin = pDomain->GetNumber(2);
ymax = pDomain->GetNumber(3);
}
CFX_Matrix mtDomain2Target = pDict->GetMatrix("Matrix");
CFX_Matrix matrix, reverse_matrix;
matrix.SetReverse(*pObject2Bitmap);
reverse_matrix.SetReverse(mtDomain2Target);
matrix.Concat(reverse_matrix);
int width = pBitmap->GetWidth();
int height = pBitmap->GetHeight();
int pitch = pBitmap->GetPitch();
int total_results = 0;
for (int j = 0; j < nFuncs; j++) {
if (pFuncs[j]) {
total_results += pFuncs[j]->CountOutputs();
}
}
if (pCS->CountComponents() > total_results) {
total_results = pCS->CountComponents();
}
CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
FX_FLOAT* pResults = result_array;
FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
for (int row = 0; row < height; row++) {
FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
for (int column = 0; column < width; column++) {
FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
matrix.Transform(x, y);
if (x < xmin || x > xmax || y < ymin || y > ymax) {
continue;
}
FX_FLOAT input[2];
int offset = 0;
input[0] = x;
input[1] = y;
for (int j = 0; j < nFuncs; j++) {
if (pFuncs[j]) {
int nresults;
if (pFuncs[j]->Call(input, 2, pResults + offset, nresults)) {
offset += nresults;
}
}
}
FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
pCS->GetRGB(pResults, R, G, B);
dib_buf[column] = FXARGB_TODIB(FXARGB_MAKE(
alpha, (int32_t)(R * 255), (int32_t)(G * 255), (int32_t)(B * 255)));
}
}
}
static void DrawAxialShading(CFX_DIBitmap* pBitmap,
CFX_Matrix* pObject2Bitmap,
CPDF_Dictionary* pDict,
CPDF_Function** pFuncs,
int nFuncs,
CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
CPDF_Array* pCoords = pDict->GetArray("Coords");
if (!pCoords) {
return;
}
FX_FLOAT start_x = pCoords->GetNumber(0);
FX_FLOAT start_y = pCoords->GetNumber(1);
FX_FLOAT end_x = pCoords->GetNumber(2);
FX_FLOAT end_y = pCoords->GetNumber(3);
FX_FLOAT t_min = 0, t_max = 1.0f;
CPDF_Array* pArray = pDict->GetArray("Domain");
if (pArray) {
t_min = pArray->GetNumber(0);
t_max = pArray->GetNumber(1);
}
FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
pArray = pDict->GetArray("Extend");
if (pArray) {
bStartExtend = pArray->GetInteger(0);
bEndExtend = pArray->GetInteger(1);
}
int width = pBitmap->GetWidth();
int height = pBitmap->GetHeight();
FX_FLOAT x_span = end_x - start_x;
FX_FLOAT y_span = end_y - start_y;
FX_FLOAT axis_len_square =
FXSYS_Mul(x_span, x_span) + FXSYS_Mul(y_span, y_span);
CFX_Matrix matrix;
matrix.SetReverse(*pObject2Bitmap);
int total_results = 0;
for (int j = 0; j < nFuncs; j++) {
if (pFuncs[j]) {
total_results += pFuncs[j]->CountOutputs();
}
}
if (pCS->CountComponents() > total_results) {
total_results = pCS->CountComponents();
}
CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
FX_FLOAT* pResults = result_array;
FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
FX_DWORD rgb_array[SHADING_STEPS];
for (int i = 0; i < SHADING_STEPS; i++) {
FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min;
int offset = 0;
for (int j = 0; j < nFuncs; j++) {
if (pFuncs[j]) {
int nresults = 0;
if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) {
offset += nresults;
}
}
}
FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
pCS->GetRGB(pResults, R, G, B);
rgb_array[i] =
FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255),
FXSYS_round(G * 255), FXSYS_round(B * 255)));
}
int pitch = pBitmap->GetPitch();
for (int row = 0; row < height; row++) {
FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
for (int column = 0; column < width; column++) {
FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
matrix.Transform(x, y);
FX_FLOAT scale = FXSYS_Div(
FXSYS_Mul(x - start_x, x_span) + FXSYS_Mul(y - start_y, y_span),
axis_len_square);
int index = (int32_t)(scale * (SHADING_STEPS - 1));
if (index < 0) {
if (!bStartExtend) {
continue;
}
index = 0;
} else if (index >= SHADING_STEPS) {
if (!bEndExtend) {
continue;
}
index = SHADING_STEPS - 1;
}
dib_buf[column] = rgb_array[index];
}
}
}
static void DrawRadialShading(CFX_DIBitmap* pBitmap,
CFX_Matrix* pObject2Bitmap,
CPDF_Dictionary* pDict,
CPDF_Function** pFuncs,
int nFuncs,
CPDF_ColorSpace* pCS,
int alpha) {
ASSERT(pBitmap->GetFormat() == FXDIB_Argb);
CPDF_Array* pCoords = pDict->GetArray("Coords");
if (!pCoords) {
return;
}
FX_FLOAT start_x = pCoords->GetNumber(0);
FX_FLOAT start_y = pCoords->GetNumber(1);
FX_FLOAT start_r = pCoords->GetNumber(2);
FX_FLOAT end_x = pCoords->GetNumber(3);
FX_FLOAT end_y = pCoords->GetNumber(4);
FX_FLOAT end_r = pCoords->GetNumber(5);
CFX_Matrix matrix;
matrix.SetReverse(*pObject2Bitmap);
FX_FLOAT t_min = 0, t_max = 1.0f;
CPDF_Array* pArray = pDict->GetArray("Domain");
if (pArray) {
t_min = pArray->GetNumber(0);
t_max = pArray->GetNumber(1);
}
FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE;
pArray = pDict->GetArray("Extend");
if (pArray) {
bStartExtend = pArray->GetInteger(0);
bEndExtend = pArray->GetInteger(1);
}
int total_results = 0;
for (int j = 0; j < nFuncs; j++) {
if (pFuncs[j]) {
total_results += pFuncs[j]->CountOutputs();
}
}
if (pCS->CountComponents() > total_results) {
total_results = pCS->CountComponents();
}
CFX_FixedBufGrow<FX_FLOAT, 16> result_array(total_results);
FX_FLOAT* pResults = result_array;
FXSYS_memset(pResults, 0, total_results * sizeof(FX_FLOAT));
FX_DWORD rgb_array[SHADING_STEPS];
for (int i = 0; i < SHADING_STEPS; i++) {
FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min;
int offset = 0;
for (int j = 0; j < nFuncs; j++) {
if (pFuncs[j]) {
int nresults;
if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) {
offset += nresults;
}
}
}
FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
pCS->GetRGB(pResults, R, G, B);
rgb_array[i] =
FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255),
FXSYS_round(G * 255), FXSYS_round(B * 255)));
}
FX_FLOAT a = FXSYS_Mul(start_x - end_x, start_x - end_x) +
FXSYS_Mul(start_y - end_y, start_y - end_y) -
FXSYS_Mul(start_r - end_r, start_r - end_r);
int width = pBitmap->GetWidth();
int height = pBitmap->GetHeight();
int pitch = pBitmap->GetPitch();
FX_BOOL bDecreasing = FALSE;
if (start_r > end_r) {
int length = (int)FXSYS_sqrt((FXSYS_Mul(start_x - end_x, start_x - end_x) +
FXSYS_Mul(start_y - end_y, start_y - end_y)));
if (length < start_r - end_r) {
bDecreasing = TRUE;
}
}
for (int row = 0; row < height; row++) {
FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch);
for (int column = 0; column < width; column++) {
FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row;
matrix.Transform(x, y);
FX_FLOAT b = -2 * (FXSYS_Mul(x - start_x, end_x - start_x) +
FXSYS_Mul(y - start_y, end_y - start_y) +
FXSYS_Mul(start_r, end_r - start_r));
FX_FLOAT c = FXSYS_Mul(x - start_x, x - start_x) +
FXSYS_Mul(y - start_y, y - start_y) -
FXSYS_Mul(start_r, start_r);
FX_FLOAT s;
if (a == 0) {
s = FXSYS_Div(-c, b);
} else {
FX_FLOAT b2_4ac = FXSYS_Mul(b, b) - 4 * FXSYS_Mul(a, c);
if (b2_4ac < 0) {
continue;
}
FX_FLOAT root = FXSYS_sqrt(b2_4ac);
FX_FLOAT s1, s2;
if (a > 0) {
s1 = FXSYS_Div(-b - root, 2 * a);
s2 = FXSYS_Div(-b + root, 2 * a);
} else {
s2 = FXSYS_Div(-b - root, 2 * a);
s1 = FXSYS_Div(-b + root, 2 * a);
}
if (bDecreasing) {
if (s1 >= 0 || bStartExtend) {
s = s1;
} else {
s = s2;
}
} else {
if (s2 <= 1.0f || bEndExtend) {
s = s2;
} else {
s = s1;
}
}
if ((start_r + s * (end_r - start_r)) < 0) {
continue;
}
}
int index = (int32_t)(s * (SHADING_STEPS - 1));
if (index < 0) {
if (!bStartExtend) {
continue;
}
index = 0;
}
if (index >= SHADING_STEPS) {
if (!bEndExtend) {
continue;
}
index = SHADING_STEPS - 1;
}
dib_buf[column] = rgb_array[index];
}
}
}
