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-rw-r--r--core/fxge/dib/cfx_imagetransformer.cpp181
-rw-r--r--core/fxge/dib/cfx_imagetransformer.h15
2 files changed, 63 insertions, 133 deletions
diff --git a/core/fxge/dib/cfx_imagetransformer.cpp b/core/fxge/dib/cfx_imagetransformer.cpp
index 51b75350e6..3be1dbe463 100644
--- a/core/fxge/dib/cfx_imagetransformer.cpp
+++ b/core/fxge/dib/cfx_imagetransformer.cpp
@@ -40,9 +40,9 @@ uint8_t bilinear_interpol(const uint8_t* buf,
uint8_t bicubic_interpol(const uint8_t* buf,
int pitch,
- int pos_pixel[],
- int u_w[],
- int v_w[],
+ const int pos_pixel[],
+ const int u_w[],
+ const int v_w[],
int res_x,
int res_y,
int bpp,
@@ -290,7 +290,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
pTransformed->m_pAlphaMask->Clear(0xff000000);
} else if (pTransformed->m_pAlphaMask) {
int stretch_pitch_mask = m_Storer.GetBitmap()->m_pAlphaMask->GetPitch();
- if (!(m_Flags & FXDIB_DOWNSAMPLE) && !(m_Flags & FXDIB_BICUBIC_INTERPOL)) {
+ if (IsBilinear()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_pos_mask =
@@ -302,22 +302,11 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int res_y = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l, &res_x,
&res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 &&
- src_row_l <= stretch_height) {
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ if (InStretchBounds(src_col_l, src_row_l)) {
+ AdjustCoords(&src_col_l, &src_row_l);
int src_col_r = src_col_l + 1;
int src_row_r = src_row_l + 1;
- if (src_col_r == stretch_width) {
- src_col_r--;
- }
- if (src_row_r == stretch_height) {
- src_row_r--;
- }
+ AdjustCoords(&src_col_r, &src_row_r);
int row_offset_l = src_row_l * stretch_pitch_mask;
int row_offset_r = src_row_r * stretch_pitch_mask;
*dest_pos_mask =
@@ -327,7 +316,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
dest_pos_mask++;
}
}
- } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) {
+ } else if (IsBiCubic()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_pos_mask =
@@ -339,16 +328,10 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int res_y = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l, &res_x,
&res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 &&
- src_row_l <= stretch_height) {
+ if (InStretchBounds(src_col_l, src_row_l)) {
int pos_pixel[8];
int u_w[4], v_w[4];
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ AdjustCoords(&src_col_l, &src_row_l);
bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l,
res_x, res_y, stretch_width, stretch_height);
*dest_pos_mask =
@@ -367,14 +350,8 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int src_col = 0;
int src_row = 0;
result2stretch_fix.Transform(col, row, &src_col, &src_row);
- if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 &&
- src_row <= stretch_height) {
- if (src_col == stretch_width) {
- src_col--;
- }
- if (src_row == stretch_height) {
- src_row--;
- }
+ if (InStretchBounds(src_col, src_row)) {
+ AdjustCoords(&src_col, &src_row);
*dest_pos_mask =
stretch_buf_mask[src_row * stretch_pitch_mask + src_col];
}
@@ -384,7 +361,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
}
}
if (m_Storer.GetBitmap()->IsAlphaMask()) {
- if (!(m_Flags & FXDIB_DOWNSAMPLE) && !(m_Flags & FXDIB_BICUBIC_INTERPOL)) {
+ if (IsBilinear()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_scan = (uint8_t*)pTransformed->GetScanline(row);
@@ -395,22 +372,11 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int res_y = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l, &res_x,
&res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 &&
- src_row_l <= stretch_height) {
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ if (InStretchBounds(src_col_l, src_row_l)) {
+ AdjustCoords(&src_col_l, &src_row_l);
int src_col_r = src_col_l + 1;
int src_row_r = src_row_l + 1;
- if (src_col_r == stretch_width) {
- src_col_r--;
- }
- if (src_row_r == stretch_height) {
- src_row_r--;
- }
+ AdjustCoords(&src_col_r, &src_row_r);
int row_offset_l = src_row_l * stretch_pitch;
int row_offset_r = src_row_r * stretch_pitch;
*dest_scan =
@@ -420,7 +386,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
dest_scan++;
}
}
- } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) {
+ } else if (IsBiCubic()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_scan = (uint8_t*)pTransformed->GetScanline(row);
@@ -431,16 +397,10 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int res_y = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l, &res_x,
&res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width && src_row_l >= 0 &&
- src_row_l <= stretch_height) {
+ if (InStretchBounds(src_col_l, src_row_l)) {
int pos_pixel[8];
int u_w[4], v_w[4];
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ AdjustCoords(&src_col_l, &src_row_l);
bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l,
res_x, res_y, stretch_width, stretch_height);
*dest_scan = bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel,
@@ -457,14 +417,8 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int src_col = 0;
int src_row = 0;
result2stretch_fix.Transform(col, row, &src_col, &src_row);
- if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 &&
- src_row <= stretch_height) {
- if (src_col == stretch_width) {
- src_col--;
- }
- if (src_row == stretch_height) {
- src_row--;
- }
+ if (InStretchBounds(src_col, src_row)) {
+ AdjustCoords(&src_col, &src_row);
const uint8_t* src_pixel =
stretch_buf + stretch_pitch * src_row + src_col;
*dest_scan = *src_pixel;
@@ -494,8 +448,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
}
}
int destBpp = pTransformed->GetBPP() / 8;
- if (!(m_Flags & FXDIB_DOWNSAMPLE) &&
- !(m_Flags & FXDIB_BICUBIC_INTERPOL)) {
+ if (IsBilinear()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row);
@@ -506,22 +459,11 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int res_y = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l,
&res_x, &res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width &&
- src_row_l >= 0 && src_row_l <= stretch_height) {
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ if (InStretchBounds(src_col_l, src_row_l)) {
+ AdjustCoords(&src_col_l, &src_row_l);
int src_col_r = src_col_l + 1;
int src_row_r = src_row_l + 1;
- if (src_col_r == stretch_width) {
- src_col_r--;
- }
- if (src_row_r == stretch_height) {
- src_row_r--;
- }
+ AdjustCoords(&src_col_r, &src_row_r);
int row_offset_l = src_row_l * stretch_pitch;
int row_offset_r = src_row_r * stretch_pitch;
uint32_t r_bgra_cmyk = argb[bilinear_interpol(
@@ -538,7 +480,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
dest_pos += destBpp;
}
}
- } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) {
+ } else if (IsBiCubic()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row);
@@ -549,16 +491,10 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int res_y = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l,
&res_x, &res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width &&
- src_row_l >= 0 && src_row_l <= stretch_height) {
+ if (InStretchBounds(src_col_l, src_row_l)) {
int pos_pixel[8];
int u_w[4], v_w[4];
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ AdjustCoords(&src_col_l, &src_row_l);
bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l,
res_x, res_y, stretch_width,
stretch_height);
@@ -584,14 +520,8 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int src_col = 0;
int src_row = 0;
result2stretch_fix.Transform(col, row, &src_col, &src_row);
- if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 &&
- src_row <= stretch_height) {
- if (src_col == stretch_width) {
- src_col--;
- }
- if (src_row == stretch_height) {
- src_row--;
- }
+ if (InStretchBounds(src_col, src_row)) {
+ AdjustCoords(&src_col, &src_row);
uint32_t r_bgra_cmyk =
argb[stretch_buf[src_row * stretch_pitch + src_col]];
if (transformF == FXDIB_Rgba) {
@@ -609,8 +539,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
} else {
bool bHasAlpha = m_Storer.GetBitmap()->HasAlpha();
int destBpp = pTransformed->GetBPP() / 8;
- if (!(m_Flags & FXDIB_DOWNSAMPLE) &&
- !(m_Flags & FXDIB_BICUBIC_INTERPOL)) {
+ if (IsBilinear()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row);
@@ -622,22 +551,11 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int r_pos_k_r = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l,
&res_x, &res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width &&
- src_row_l >= 0 && src_row_l <= stretch_height) {
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ if (InStretchBounds(src_col_l, src_row_l)) {
+ AdjustCoords(&src_col_l, &src_row_l);
int src_col_r = src_col_l + 1;
int src_row_r = src_row_l + 1;
- if (src_col_r == stretch_width) {
- src_col_r--;
- }
- if (src_row_r == stretch_height) {
- src_row_r--;
- }
+ AdjustCoords(&src_col_r, &src_row_r);
int row_offset_l = src_row_l * stretch_pitch;
int row_offset_r = src_row_r * stretch_pitch;
uint8_t r_pos_red_y_r =
@@ -690,7 +608,7 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
dest_pos += destBpp;
}
}
- } else if (m_Flags & FXDIB_BICUBIC_INTERPOL) {
+ } else if (IsBiCubic()) {
CFX_BilinearMatrix result2stretch_fix(result2stretch, 8);
for (int row = 0; row < m_result.Height(); row++) {
uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row);
@@ -702,16 +620,10 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int r_pos_k_r = 0;
result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l,
&res_x, &res_y);
- if (src_col_l >= 0 && src_col_l <= stretch_width &&
- src_row_l >= 0 && src_row_l <= stretch_height) {
+ if (InStretchBounds(src_col_l, src_row_l)) {
int pos_pixel[8];
int u_w[4], v_w[4];
- if (src_col_l == stretch_width) {
- src_col_l--;
- }
- if (src_row_l == stretch_height) {
- src_row_l--;
- }
+ AdjustCoords(&src_col_l, &src_row_l);
bicubic_get_pos_weight(pos_pixel, u_w, v_w, src_col_l, src_row_l,
res_x, res_y, stretch_width,
stretch_height);
@@ -773,14 +685,8 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
int src_col = 0;
int src_row = 0;
result2stretch_fix.Transform(col, row, &src_col, &src_row);
- if (src_col >= 0 && src_col <= stretch_width && src_row >= 0 &&
- src_row <= stretch_height) {
- if (src_col == stretch_width) {
- src_col--;
- }
- if (src_row == stretch_height) {
- src_row--;
- }
+ if (InStretchBounds(src_col, src_row)) {
+ AdjustCoords(&src_col, &src_row);
const uint8_t* src_pos =
stretch_buf + src_row * stretch_pitch + src_col * Bpp;
if (bHasAlpha) {
@@ -820,3 +726,12 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
RetainPtr<CFX_DIBitmap> CFX_ImageTransformer::DetachBitmap() {
return m_Storer.Detach();
}
+
+void CFX_ImageTransformer::AdjustCoords(int* col, int* row) const {
+ int& src_col = *col;
+ int& src_row = *row;
+ if (src_col == stretch_width())
+ src_col--;
+ if (src_row == stretch_height())
+ src_row--;
+}
diff --git a/core/fxge/dib/cfx_imagetransformer.h b/core/fxge/dib/cfx_imagetransformer.h
index 40d51ec2a1..dcda687d42 100644
--- a/core/fxge/dib/cfx_imagetransformer.h
+++ b/core/fxge/dib/cfx_imagetransformer.h
@@ -32,6 +32,21 @@ class CFX_ImageTransformer {
RetainPtr<CFX_DIBitmap> DetachBitmap();
private:
+ bool IsBilinear() const {
+ return !(m_Flags & FXDIB_DOWNSAMPLE) && !IsBiCubic();
+ }
+ bool IsBiCubic() const { return !!(m_Flags & FXDIB_BICUBIC_INTERPOL); }
+
+ int stretch_width() const { return m_StretchClip.Width(); }
+ int stretch_height() const { return m_StretchClip.Height(); }
+
+ bool InStretchBounds(int col, int row) const {
+ return col >= 0 && col <= stretch_width() && row >= 0 &&
+ row <= stretch_height();
+ }
+
+ void AdjustCoords(int* col, int* row) const;
+
const RetainPtr<CFX_DIBSource> m_pSrc;
UnownedPtr<const CFX_Matrix> const m_pMatrix;
const FX_RECT* const m_pClip;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 06:35:11 +0000