diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp index b9ff9f4750..43ce995f05 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp @@ -83,8 +83,8 @@ static void DrawAxialShading(CFX_DIBitmap* pBitmap, 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( - ((x - start_x) * x_span) + ((y - start_y) * y_span), axis_len_square); + FX_FLOAT scale = (((x - start_x) * x_span) + ((y - start_y) * y_span)) / + axis_len_square; int index = (int32_t)(scale * (SHADING_STEPS - 1)); if (index < 0) { if (!bStartExtend) { @@ -189,7 +189,7 @@ static void DrawRadialShading(CFX_DIBitmap* pBitmap, ((y - start_y) * (y - start_y)) - (start_r * start_r); FX_FLOAT s; if (a == 0) { - s = FXSYS_Div(-c, b); + s = -c / b; } else { FX_FLOAT b2_4ac = (b * b) - 4 * (a * c); if (b2_4ac < 0) { @@ -198,11 +198,11 @@ static void DrawRadialShading(CFX_DIBitmap* pBitmap, 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); + s1 = (-b - root) / (2 * a); + s2 = (-b + root) / (2 * a); } else { - s2 = FXSYS_Div(-b - root, 2 * a); - s1 = FXSYS_Div(-b + root, 2 * a); + s2 = (-b - root) / (2 * a); + s1 = (-b + root) / (2 * a); } if (bDecreasing) { if (s1 >= 0 || bStartExtend) { @@ -1044,14 +1044,16 @@ void CPDF_RenderStatus::DrawTilingPattern(CPDF_TilingPattern* pPattern, mtDevice2Pattern.SetReverse(mtPattern2Device); CFX_FloatRect clip_box_p(clip_box); clip_box_p.Transform(&mtDevice2Pattern); - min_col = (int)FXSYS_ceil( - FXSYS_Div(clip_box_p.left - pPattern->m_BBox.right, pPattern->m_XStep)); - max_col = (int)FXSYS_floor( - FXSYS_Div(clip_box_p.right - pPattern->m_BBox.left, pPattern->m_XStep)); - min_row = (int)FXSYS_ceil( - FXSYS_Div(clip_box_p.bottom - pPattern->m_BBox.top, pPattern->m_YStep)); - max_row = (int)FXSYS_floor( - FXSYS_Div(clip_box_p.top - pPattern->m_BBox.bottom, pPattern->m_YStep)); + + min_col = (int)FXSYS_ceil((clip_box_p.left - pPattern->m_BBox.right) / + pPattern->m_XStep); + max_col = (int)FXSYS_floor((clip_box_p.right - pPattern->m_BBox.left) / + pPattern->m_XStep); + min_row = (int)FXSYS_ceil((clip_box_p.bottom - pPattern->m_BBox.top) / + pPattern->m_YStep); + max_row = (int)FXSYS_floor((clip_box_p.top - pPattern->m_BBox.bottom) / + pPattern->m_YStep); + if (width > clip_box.Width() || height > clip_box.Height() || width * height > clip_box.Width() * clip_box.Height()) { CPDF_GraphicStates* pStates = NULL; |