summaryrefslogtreecommitdiff
path: root/core/fxge
diff options
context:
space:
mode:
Diffstat (limited to 'core/fxge')
-rw-r--r--core/fxge/dib/cfx_imagetransformer.cpp371
-rw-r--r--core/fxge/dib/cfx_imagetransformer.h3
2 files changed, 190 insertions, 184 deletions
diff --git a/core/fxge/dib/cfx_imagetransformer.cpp b/core/fxge/dib/cfx_imagetransformer.cpp
index 00ac0e3032..712988713f 100644
--- a/core/fxge/dib/cfx_imagetransformer.cpp
+++ b/core/fxge/dib/cfx_imagetransformer.cpp
@@ -262,17 +262,13 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
if (m_Stretcher->Continue(pPause))
return true;
- int stretch_width = m_StretchClip.Width();
- int stretch_height = m_StretchClip.Height();
if (!m_Storer.GetBitmap())
return false;
- const uint8_t* stretch_buf = m_Storer.GetBitmap()->GetBuffer();
const uint8_t* stretch_buf_mask = nullptr;
if (m_Storer.GetBitmap()->m_pAlphaMask)
stretch_buf_mask = m_Storer.GetBitmap()->m_pAlphaMask->GetBuffer();
- int stretch_pitch = m_Storer.GetBitmap()->GetPitch();
auto pTransformed = pdfium::MakeRetain<CFX_DIBitmap>();
FXDIB_Format transformF = GetTransformedFormat(m_Stretcher->source());
if (!pTransformed->Create(m_result.Width(), m_result.Height(), transformF))
@@ -306,186 +302,12 @@ bool CFX_ImageTransformer::Continue(IFX_PauseIndicator* pPause) {
if (Bpp == 1) {
CalcMono(cdata, transformF);
} else {
- bool bHasAlpha = m_Storer.GetBitmap()->HasAlpha();
- int destBpp = pTransformed->GetBPP() / 8;
- 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);
- for (int col = 0; col < m_result.Width(); col++) {
- int src_col_l = 0;
- int src_row_l = 0;
- int res_x = 0;
- int res_y = 0;
- int r_pos_k_r = 0;
- result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l,
- &res_x, &res_y);
- 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;
- 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 =
- bilinear_interpol(stretch_buf, row_offset_l, row_offset_r,
- src_col_l, src_col_r, res_x, res_y, Bpp, 2);
- uint8_t r_pos_green_m_r =
- bilinear_interpol(stretch_buf, row_offset_l, row_offset_r,
- src_col_l, src_col_r, res_x, res_y, Bpp, 1);
- uint8_t r_pos_blue_c_r =
- bilinear_interpol(stretch_buf, row_offset_l, row_offset_r,
- src_col_l, src_col_r, res_x, res_y, Bpp, 0);
- if (bHasAlpha) {
- if (transformF != FXDIB_Argb) {
- if (transformF == FXDIB_Rgba) {
- dest_pos[0] = r_pos_blue_c_r;
- dest_pos[1] = r_pos_green_m_r;
- dest_pos[2] = r_pos_red_y_r;
- } else {
- r_pos_k_r = bilinear_interpol(
- stretch_buf, row_offset_l, row_offset_r, src_col_l,
- src_col_r, res_x, res_y, Bpp, 3);
- *(uint32_t*)dest_pos =
- FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r,
- r_pos_red_y_r, r_pos_k_r));
- }
- } else {
- uint8_t r_pos_a_r = bilinear_interpol(
- stretch_buf, row_offset_l, row_offset_r, src_col_l,
- src_col_r, res_x, res_y, Bpp, 3);
- *(uint32_t*)dest_pos = FXARGB_TODIB(
- FXARGB_MAKE(r_pos_a_r, r_pos_red_y_r, r_pos_green_m_r,
- r_pos_blue_c_r));
- }
- } else {
- r_pos_k_r = 0xff;
- if (transformF == FXDIB_Cmyka) {
- r_pos_k_r = bilinear_interpol(
- stretch_buf, row_offset_l, row_offset_r, src_col_l,
- src_col_r, res_x, res_y, Bpp, 3);
- *(uint32_t*)dest_pos =
- FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r,
- r_pos_red_y_r, r_pos_k_r));
- } else {
- *(uint32_t*)dest_pos = FXARGB_TODIB(
- FXARGB_MAKE(r_pos_k_r, r_pos_red_y_r, r_pos_green_m_r,
- r_pos_blue_c_r));
- }
- }
- }
- dest_pos += destBpp;
- }
- }
- } 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);
- for (int col = 0; col < m_result.Width(); col++) {
- int src_col_l = 0;
- int src_row_l = 0;
- int res_x = 0;
- int res_y = 0;
- int r_pos_k_r = 0;
- result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l,
- &res_x, &res_y);
- if (InStretchBounds(src_col_l, src_row_l)) {
- int pos_pixel[8];
- int u_w[4], v_w[4];
- 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);
- uint8_t r_pos_red_y_r =
- bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, u_w,
- v_w, res_x, res_y, Bpp, 2);
- uint8_t r_pos_green_m_r =
- bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, u_w,
- v_w, res_x, res_y, Bpp, 1);
- uint8_t r_pos_blue_c_r =
- bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel, u_w,
- v_w, res_x, res_y, Bpp, 0);
- if (bHasAlpha) {
- if (transformF != FXDIB_Argb) {
- if (transformF == FXDIB_Rgba) {
- dest_pos[0] = r_pos_blue_c_r;
- dest_pos[1] = r_pos_green_m_r;
- dest_pos[2] = r_pos_red_y_r;
- } else {
- r_pos_k_r =
- bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel,
- u_w, v_w, res_x, res_y, Bpp, 3);
- *(uint32_t*)dest_pos =
- FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r,
- r_pos_red_y_r, r_pos_k_r));
- }
- } else {
- uint8_t r_pos_a_r =
- bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel,
- u_w, v_w, res_x, res_y, Bpp, 3);
- *(uint32_t*)dest_pos = FXARGB_TODIB(
- FXARGB_MAKE(r_pos_a_r, r_pos_red_y_r, r_pos_green_m_r,
- r_pos_blue_c_r));
- }
- } else {
- r_pos_k_r = 0xff;
- if (transformF == FXDIB_Cmyka) {
- r_pos_k_r =
- bicubic_interpol(stretch_buf, stretch_pitch, pos_pixel,
- u_w, v_w, res_x, res_y, Bpp, 3);
- *(uint32_t*)dest_pos =
- FXCMYK_TODIB(CmykEncode(r_pos_blue_c_r, r_pos_green_m_r,
- r_pos_red_y_r, r_pos_k_r));
- } else {
- *(uint32_t*)dest_pos = FXARGB_TODIB(
- FXARGB_MAKE(r_pos_k_r, r_pos_red_y_r, r_pos_green_m_r,
- r_pos_blue_c_r));
- }
- }
- }
- dest_pos += destBpp;
- }
- }
- } else {
- CPDF_FixedMatrix result2stretch_fix(result2stretch, 8);
- for (int row = 0; row < m_result.Height(); row++) {
- uint8_t* dest_pos = (uint8_t*)pTransformed->GetScanline(row);
- for (int col = 0; col < m_result.Width(); col++) {
- int src_col = 0;
- int src_row = 0;
- result2stretch_fix.Transform(col, row, &src_col, &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) {
- if (transformF != FXDIB_Argb) {
- if (transformF == FXDIB_Rgba) {
- dest_pos[0] = src_pos[0];
- dest_pos[1] = src_pos[1];
- dest_pos[2] = src_pos[2];
- } else {
- *(uint32_t*)dest_pos = FXCMYK_TODIB(CmykEncode(
- src_pos[0], src_pos[1], src_pos[2], src_pos[3]));
- }
- } else {
- *(uint32_t*)dest_pos = FXARGB_TODIB(FXARGB_MAKE(
- src_pos[3], src_pos[2], src_pos[1], src_pos[0]));
- }
- } else {
- if (transformF == FXDIB_Cmyka) {
- *(uint32_t*)dest_pos = FXCMYK_TODIB(CmykEncode(
- src_pos[0], src_pos[1], src_pos[2], src_pos[3]));
- } else {
- *(uint32_t*)dest_pos = FXARGB_TODIB(
- FXARGB_MAKE(0xff, src_pos[2], src_pos[1], src_pos[0]));
- }
- }
- }
- dest_pos += destBpp;
- }
- }
- }
+ if (IsBilinear())
+ CalcColorBilinear(cdata, transformF, Bpp);
+ else if (IsBiCubic())
+ CalcColorBicubic(cdata, transformF, Bpp);
+ else
+ CalcColorDownSample(cdata, transformF, Bpp);
}
}
m_Storer.Replace(std::move(pTransformed));
@@ -743,6 +565,187 @@ void CFX_ImageTransformer::CalcMono(const CalcData& cdata,
}
}
+void CFX_ImageTransformer::CalcColorBilinear(const CalcData& cdata,
+ FXDIB_Format format,
+ int Bpp) {
+ bool bHasAlpha = m_Storer.GetBitmap()->HasAlpha();
+ int destBpp = cdata.bitmap->GetBPP() / 8;
+ CFX_BilinearMatrix result2stretch_fix(cdata.matrix, 8);
+ for (int row = 0; row < m_result.Height(); row++) {
+ uint8_t* dest_pos = (uint8_t*)cdata.bitmap->GetScanline(row);
+ for (int col = 0; col < m_result.Width(); col++) {
+ int src_col_l = 0;
+ int src_row_l = 0;
+ int res_x = 0;
+ int res_y = 0;
+ int r_pos_k_r = 0;
+ result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l, &res_x,
+ &res_y);
+ 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;
+ AdjustCoords(&src_col_r, &src_row_r);
+ int row_offset_l = src_row_l * cdata.pitch;
+ int row_offset_r = src_row_r * cdata.pitch;
+ uint8_t r_pos_red_y_r =
+ bilinear_interpol(cdata.buf, row_offset_l, row_offset_r, src_col_l,
+ src_col_r, res_x, res_y, Bpp, 2);
+ uint8_t r_pos_green_m_r =
+ bilinear_interpol(cdata.buf, row_offset_l, row_offset_r, src_col_l,
+ src_col_r, res_x, res_y, Bpp, 1);
+ uint8_t r_pos_blue_c_r =
+ bilinear_interpol(cdata.buf, row_offset_l, row_offset_r, src_col_l,
+ src_col_r, res_x, res_y, Bpp, 0);
+ if (bHasAlpha) {
+ if (format != FXDIB_Argb) {
+ if (format == FXDIB_Rgba) {
+ dest_pos[0] = r_pos_blue_c_r;
+ dest_pos[1] = r_pos_green_m_r;
+ dest_pos[2] = r_pos_red_y_r;
+ } else {
+ r_pos_k_r =
+ bilinear_interpol(cdata.buf, row_offset_l, row_offset_r,
+ src_col_l, src_col_r, res_x, res_y, Bpp, 3);
+ *(uint32_t*)dest_pos = FXCMYK_TODIB(CmykEncode(
+ r_pos_blue_c_r, r_pos_green_m_r, r_pos_red_y_r, r_pos_k_r));
+ }
+ } else {
+ uint8_t r_pos_a_r =
+ bilinear_interpol(cdata.buf, row_offset_l, row_offset_r,
+ src_col_l, src_col_r, res_x, res_y, Bpp, 3);
+ *(uint32_t*)dest_pos = FXARGB_TODIB(FXARGB_MAKE(
+ r_pos_a_r, r_pos_red_y_r, r_pos_green_m_r, r_pos_blue_c_r));
+ }
+ } else {
+ r_pos_k_r = 0xff;
+ if (format == FXDIB_Cmyka) {
+ r_pos_k_r =
+ bilinear_interpol(cdata.buf, row_offset_l, row_offset_r,
+ src_col_l, src_col_r, res_x, res_y, Bpp, 3);
+ *(uint32_t*)dest_pos = FXCMYK_TODIB(CmykEncode(
+ r_pos_blue_c_r, r_pos_green_m_r, r_pos_red_y_r, r_pos_k_r));
+ } else {
+ *(uint32_t*)dest_pos = FXARGB_TODIB(FXARGB_MAKE(
+ r_pos_k_r, r_pos_red_y_r, r_pos_green_m_r, r_pos_blue_c_r));
+ }
+ }
+ }
+ dest_pos += destBpp;
+ }
+ }
+}
+
+void CFX_ImageTransformer::CalcColorBicubic(const CalcData& cdata,
+ FXDIB_Format format,
+ int Bpp) {
+ bool bHasAlpha = m_Storer.GetBitmap()->HasAlpha();
+ int destBpp = cdata.bitmap->GetBPP() / 8;
+ CFX_BilinearMatrix result2stretch_fix(cdata.matrix, 8);
+ for (int row = 0; row < m_result.Height(); row++) {
+ uint8_t* dest_pos = (uint8_t*)cdata.bitmap->GetScanline(row);
+ for (int col = 0; col < m_result.Width(); col++) {
+ int src_col_l = 0;
+ int src_row_l = 0;
+ int res_x = 0;
+ int res_y = 0;
+ int r_pos_k_r = 0;
+ result2stretch_fix.Transform(col, row, &src_col_l, &src_row_l, &res_x,
+ &res_y);
+ if (InStretchBounds(src_col_l, src_row_l)) {
+ int pos_pixel[8];
+ int u_w[4], v_w[4];
+ 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());
+ uint8_t r_pos_red_y_r = bicubic_interpol(
+ cdata.buf, cdata.pitch, pos_pixel, u_w, v_w, res_x, res_y, Bpp, 2);
+ uint8_t r_pos_green_m_r = bicubic_interpol(
+ cdata.buf, cdata.pitch, pos_pixel, u_w, v_w, res_x, res_y, Bpp, 1);
+ uint8_t r_pos_blue_c_r = bicubic_interpol(
+ cdata.buf, cdata.pitch, pos_pixel, u_w, v_w, res_x, res_y, Bpp, 0);
+ if (bHasAlpha) {
+ if (format != FXDIB_Argb) {
+ if (format == FXDIB_Rgba) {
+ dest_pos[0] = r_pos_blue_c_r;
+ dest_pos[1] = r_pos_green_m_r;
+ dest_pos[2] = r_pos_red_y_r;
+ } else {
+ r_pos_k_r = bicubic_interpol(cdata.buf, cdata.pitch, pos_pixel,
+ u_w, v_w, res_x, res_y, Bpp, 3);
+ *(uint32_t*)dest_pos = FXCMYK_TODIB(CmykEncode(
+ r_pos_blue_c_r, r_pos_green_m_r, r_pos_red_y_r, r_pos_k_r));
+ }
+ } else {
+ uint8_t r_pos_a_r =
+ bicubic_interpol(cdata.buf, cdata.pitch, pos_pixel, u_w, v_w,
+ res_x, res_y, Bpp, 3);
+ *(uint32_t*)dest_pos = FXARGB_TODIB(FXARGB_MAKE(
+ r_pos_a_r, r_pos_red_y_r, r_pos_green_m_r, r_pos_blue_c_r));
+ }
+ } else {
+ r_pos_k_r = 0xff;
+ if (format == FXDIB_Cmyka) {
+ r_pos_k_r = bicubic_interpol(cdata.buf, cdata.pitch, pos_pixel, u_w,
+ v_w, res_x, res_y, Bpp, 3);
+ *(uint32_t*)dest_pos = FXCMYK_TODIB(CmykEncode(
+ r_pos_blue_c_r, r_pos_green_m_r, r_pos_red_y_r, r_pos_k_r));
+ } else {
+ *(uint32_t*)dest_pos = FXARGB_TODIB(FXARGB_MAKE(
+ r_pos_k_r, r_pos_red_y_r, r_pos_green_m_r, r_pos_blue_c_r));
+ }
+ }
+ }
+ dest_pos += destBpp;
+ }
+ }
+}
+
+void CFX_ImageTransformer::CalcColorDownSample(const CalcData& cdata,
+ FXDIB_Format format,
+ int Bpp) {
+ bool bHasAlpha = m_Storer.GetBitmap()->HasAlpha();
+ int destBpp = cdata.bitmap->GetBPP() / 8;
+ CPDF_FixedMatrix result2stretch_fix(cdata.matrix, 8);
+ for (int row = 0; row < m_result.Height(); row++) {
+ uint8_t* dest_pos = (uint8_t*)cdata.bitmap->GetScanline(row);
+ for (int col = 0; col < m_result.Width(); col++) {
+ int src_col = 0;
+ int src_row = 0;
+ result2stretch_fix.Transform(col, row, &src_col, &src_row);
+ if (InStretchBounds(src_col, src_row)) {
+ AdjustCoords(&src_col, &src_row);
+ const uint8_t* src_pos =
+ cdata.buf + src_row * cdata.pitch + src_col * Bpp;
+ if (bHasAlpha) {
+ if (format != FXDIB_Argb) {
+ if (format == FXDIB_Rgba) {
+ dest_pos[0] = src_pos[0];
+ dest_pos[1] = src_pos[1];
+ dest_pos[2] = src_pos[2];
+ } else {
+ *(uint32_t*)dest_pos = FXCMYK_TODIB(
+ CmykEncode(src_pos[0], src_pos[1], src_pos[2], src_pos[3]));
+ }
+ } else {
+ *(uint32_t*)dest_pos = FXARGB_TODIB(
+ FXARGB_MAKE(src_pos[3], src_pos[2], src_pos[1], src_pos[0]));
+ }
+ } else {
+ if (format == FXDIB_Cmyka) {
+ *(uint32_t*)dest_pos = FXCMYK_TODIB(
+ CmykEncode(src_pos[0], src_pos[1], src_pos[2], src_pos[3]));
+ } else {
+ *(uint32_t*)dest_pos = FXARGB_TODIB(
+ FXARGB_MAKE(0xff, src_pos[2], src_pos[1], src_pos[0]));
+ }
+ }
+ }
+ dest_pos += destBpp;
+ }
+ }
+}
+
void CFX_ImageTransformer::AdjustCoords(int* col, int* row) const {
int& src_col = *col;
int& src_row = *row;
diff --git a/core/fxge/dib/cfx_imagetransformer.h b/core/fxge/dib/cfx_imagetransformer.h
index 2d7993ec5c..a0f9c6a816 100644
--- a/core/fxge/dib/cfx_imagetransformer.h
+++ b/core/fxge/dib/cfx_imagetransformer.h
@@ -42,6 +42,9 @@ class CFX_ImageTransformer {
void CalcMask(const CalcData& cdata);
void CalcAlpha(const CalcData& cdata);
void CalcMono(const CalcData& cdata, FXDIB_Format format);
+ void CalcColorBilinear(const CalcData& cdata, FXDIB_Format format, int Bpp);
+ void CalcColorBicubic(const CalcData& cdata, FXDIB_Format format, int Bpp);
+ void CalcColorDownSample(const CalcData& cdata, FXDIB_Format format, int Bpp);
bool IsBilinear() const {
return !(m_Flags & FXDIB_DOWNSAMPLE) && !IsBiCubic();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 20:32:24 +0000