diff options
Diffstat (limited to 'source/blender/imbuf/intern/imageprocess.c')
-rw-r--r-- | source/blender/imbuf/intern/imageprocess.c | 236 |
1 files changed, 4 insertions, 232 deletions
diff --git a/source/blender/imbuf/intern/imageprocess.c b/source/blender/imbuf/intern/imageprocess.c index 1a59ec75ed0..75d36e10498 100644 --- a/source/blender/imbuf/intern/imageprocess.c +++ b/source/blender/imbuf/intern/imageprocess.c @@ -127,7 +127,7 @@ void bicubic_interpolation(const ImBuf *in, ImBuf *out, float u, float v, int xo /** \name Bi-Linear Interpolation * \{ */ -BLI_INLINE void bilinear_interpolation_color_fl( +void bilinear_interpolation_color_fl( const struct ImBuf *in, unsigned char UNUSED(outI[4]), float outF[4], float u, float v) { BLI_assert(outF); @@ -135,7 +135,7 @@ BLI_INLINE void bilinear_interpolation_color_fl( BLI_bilinear_interpolation_fl(in->rect_float, outF, in->x, in->y, 4, u, v); } -BLI_INLINE void bilinear_interpolation_color_char( +void bilinear_interpolation_color_char( const struct ImBuf *in, unsigned char outI[4], float UNUSED(outF[4]), float u, float v) { BLI_assert(outI); @@ -255,7 +255,7 @@ void bilinear_interpolation(const ImBuf *in, ImBuf *out, float u, float v, int x * \{ */ /* functions assumes out to be zero'ed, only does RGBA */ -BLI_INLINE void nearest_interpolation_color_char( +void nearest_interpolation_color_char( const struct ImBuf *in, unsigned char outI[4], float UNUSED(outF[4]), float u, float v) { BLI_assert(outI); @@ -278,7 +278,7 @@ BLI_INLINE void nearest_interpolation_color_char( outI[3] = dataI[3]; } -BLI_INLINE void nearest_interpolation_color_fl( +void nearest_interpolation_color_fl( const struct ImBuf *in, unsigned char UNUSED(outI[4]), float outF[4], float u, float v) { BLI_assert(outF); @@ -364,234 +364,6 @@ void nearest_interpolation(const ImBuf *in, ImBuf *out, float u, float v, int xo } /* -------------------------------------------------------------------- */ -/** \name Image transform - * \{ */ -typedef struct TransformUserData { - const ImBuf *src; - ImBuf *dst; - float start_uv[2]; - float add_x[2]; - float add_y[2]; - rctf src_crop; -} TransformUserData; - -static void imb_transform_calc_start_uv(const float transform_matrix[4][4], float r_start_uv[2]) -{ - float r_start_uv_temp[3]; - float orig[3]; - zero_v3(orig); - mul_v3_m4v3(r_start_uv_temp, transform_matrix, orig); - copy_v2_v2(r_start_uv, r_start_uv_temp); -} - -static void imb_transform_calc_add_x(const float transform_matrix[4][4], - const float start_uv[2], - const int width, - float r_add_x[2]) -{ - float r_add_x_temp[3]; - float uv_max_x[3]; - zero_v3(uv_max_x); - uv_max_x[0] = width; - uv_max_x[1] = 0.0f; - mul_v3_m4v3(r_add_x_temp, transform_matrix, uv_max_x); - sub_v2_v2(r_add_x_temp, start_uv); - mul_v2_fl(r_add_x_temp, 1.0f / width); - copy_v2_v2(r_add_x, r_add_x_temp); -} - -static void imb_transform_calc_add_y(const float transform_matrix[4][4], - const float start_uv[2], - const int height, - float r_add_y[2]) -{ - float r_add_y_temp[3]; - float uv_max_y[3]; - zero_v3(uv_max_y); - uv_max_y[0] = 0.0f; - uv_max_y[1] = height; - mul_v3_m4v3(r_add_y_temp, transform_matrix, uv_max_y); - sub_v2_v2(r_add_y_temp, start_uv); - mul_v2_fl(r_add_y_temp, 1.0f / height); - copy_v2_v2(r_add_y, r_add_y_temp); -} - -typedef void (*InterpolationColorFunction)( - const struct ImBuf *in, unsigned char outI[4], float outF[4], float u, float v); -BLI_INLINE void imb_transform_scanlines(const TransformUserData *user_data, - int scanline, - InterpolationColorFunction interpolation) -{ - const int width = user_data->dst->x; - - float uv[2]; - madd_v2_v2v2fl(uv, user_data->start_uv, user_data->add_y, scanline); - - unsigned char *outI = NULL; - float *outF = NULL; - pixel_from_buffer(user_data->dst, &outI, &outF, 0, scanline); - - for (int xi = 0; xi < width; xi++) { - interpolation(user_data->src, outI, outF, uv[0], uv[1]); - add_v2_v2(uv, user_data->add_x); - if (outI) { - outI += 4; - } - if (outF) { - outF += 4; - } - } -} - -static void imb_transform_nearest_scanlines(void *custom_data, int scanline) -{ - const TransformUserData *user_data = custom_data; - InterpolationColorFunction interpolation = NULL; - if (user_data->dst->rect_float) { - interpolation = nearest_interpolation_color_fl; - } - else { - interpolation = nearest_interpolation_color_char; - } - imb_transform_scanlines(user_data, scanline, interpolation); -} - -static void imb_transform_bilinear_scanlines(void *custom_data, int scanline) -{ - const TransformUserData *user_data = custom_data; - InterpolationColorFunction interpolation = NULL; - if (user_data->dst->rect_float) { - interpolation = bilinear_interpolation_color_fl; - } - else if (user_data->dst->rect) { - interpolation = bilinear_interpolation_color_char; - } - imb_transform_scanlines(user_data, scanline, interpolation); -} - -BLI_INLINE void imb_transform_scanlines_with_crop(const TransformUserData *user_data, - int scanline, - InterpolationColorFunction interpolation) -{ - const int width = user_data->dst->x; - - float uv[2]; - madd_v2_v2v2fl(uv, user_data->start_uv, user_data->add_y, scanline); - - unsigned char *outI = NULL; - float *outF = NULL; - pixel_from_buffer(user_data->dst, &outI, &outF, 0, scanline); - - for (int xi = 0; xi < width; xi++) { - if (uv[0] >= user_data->src_crop.xmin && uv[0] < user_data->src_crop.xmax && - uv[1] >= user_data->src_crop.ymin && uv[1] < user_data->src_crop.ymax) { - interpolation(user_data->src, outI, outF, uv[0], uv[1]); - } - add_v2_v2(uv, user_data->add_x); - if (outI) { - outI += 4; - } - if (outF) { - outF += 4; - } - } -} - -static void imb_transform_nearest_scanlines_with_crop(void *custom_data, int scanline) -{ - const TransformUserData *user_data = custom_data; - InterpolationColorFunction interpolation = NULL; - if (user_data->dst->rect_float) { - interpolation = nearest_interpolation_color_fl; - } - else { - interpolation = nearest_interpolation_color_char; - } - imb_transform_scanlines_with_crop(user_data, scanline, interpolation); -} - -static void imb_transform_bilinear_scanlines_with_crop(void *custom_data, int scanline) -{ - const TransformUserData *user_data = custom_data; - InterpolationColorFunction interpolation = NULL; - if (user_data->dst->rect_float) { - interpolation = bilinear_interpolation_color_fl; - } - else if (user_data->dst->rect) { - interpolation = bilinear_interpolation_color_char; - } - imb_transform_scanlines_with_crop(user_data, scanline, interpolation); -} - -static void imb_transform_nearest_scanlines_with_repeat(void *custom_data, int scanline) -{ - const TransformUserData *user_data = custom_data; - InterpolationColorFunction interpolation = nearest_interpolation_color_wrap; - imb_transform_scanlines(user_data, scanline, interpolation); -} - -static ScanlineThreadFunc imb_transform_scanline_func(const eIMBInterpolationFilterMode filter, - const eIMBTransformMode mode) -{ - ScanlineThreadFunc scanline_func = NULL; - switch (mode) { - case IMB_TRANSFORM_MODE_REGULAR: - switch (filter) { - case IMB_FILTER_NEAREST: - scanline_func = imb_transform_nearest_scanlines; - break; - case IMB_FILTER_BILINEAR: - scanline_func = imb_transform_bilinear_scanlines; - break; - } - break; - - case IMB_TRANSFORM_MODE_CROP_SRC: - switch (filter) { - case IMB_FILTER_NEAREST: - scanline_func = imb_transform_nearest_scanlines_with_crop; - break; - case IMB_FILTER_BILINEAR: - scanline_func = imb_transform_bilinear_scanlines_with_crop; - break; - } - break; - - case IMB_TRANSFORM_MODE_WRAP_REPEAT: - BLI_assert_msg(filter == IMB_FILTER_NEAREST, - "Repeat mode is only supported with nearest interpolation."); - scanline_func = imb_transform_nearest_scanlines_with_repeat; - break; - } - return scanline_func; -} - -void IMB_transform(const struct ImBuf *src, - struct ImBuf *dst, - const eIMBTransformMode mode, - const eIMBInterpolationFilterMode filter, - const float transform_matrix[4][4], - const struct rctf *src_crop) -{ - BLI_assert_msg(mode != IMB_TRANSFORM_MODE_CROP_SRC || src_crop != NULL, - "No source crop rect given, but crop source is requested. Or source crop rect " - "was given, but crop source was not requested."); - TransformUserData user_data; - user_data.src = src; - user_data.dst = dst; - if (mode == IMB_TRANSFORM_MODE_CROP_SRC) { - user_data.src_crop = *src_crop; - } - imb_transform_calc_start_uv(transform_matrix, user_data.start_uv); - imb_transform_calc_add_x(transform_matrix, user_data.start_uv, src->x, user_data.add_x); - imb_transform_calc_add_y(transform_matrix, user_data.start_uv, src->y, user_data.add_y); - ScanlineThreadFunc scanline_func = imb_transform_scanline_func(filter, mode); - IMB_processor_apply_threaded_scanlines(dst->y, scanline_func, &user_data); -} - -/** \} */ - -/* -------------------------------------------------------------------- */ /** \name Threaded Image Processing * \{ */ |