upload android base code part8

2018-08-08 20:10:12 +08:00 · 2018-08-08 20:10:12 +08:00 · 5425409085
commit 5425409085
parent 841ae54672
57075 changed files with 9846578 additions and 0 deletions
--- a/android/packages/services/BuiltInPrintService/jni/plugins/wprint_scaler.h
+++ b/android/packages/services/BuiltInPrintService/jni/plugins/wprint_scaler.h
@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2016 Mopria Alliance, Inc.
+ * Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LIB_PHOTO_SCALER_H
+#define LIB_PHOTO_SCALER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "wtypes.h"
+
+typedef unsigned char bool_t;
+
+/*
+ * A 64-bit floating point value
+ */
+typedef struct float64_s {
+    uint32 decimal;
+    uint32 fraction;
+} float64_t;
+
+/*
+ * Mode selected for a scaling operation
+ */
+typedef enum scaler_modes_e {
+    PSCALER_SCALE_UP = 1,
+    PSCALER_SCALE_DOWN = 2,
+    PSCALER_SCALE_MIXED_XUP = 5,
+    PSCALER_SCALE_MIXED_YUP = 7,
+
+    PSCALER_SCALE_MODE_INVALID
+} scaler_mode_t;
+
+/*
+ * Context structure for a scaling operation
+ */
+typedef struct scaler_config_s {
+    uint16 iSrcWidth;           // input width (x-axis dimension)
+    uint16 iSrcHeight;          // input height (y-axis dimension)
+
+    uint16 iOutWidth;           // output width (x-axis dimension)
+    uint16 iOutHeight;          // output height (y-axis dimension)
+
+    uint8 *pSrcBuf;             // input buffers [plane]
+    uint16 iSrcBufWidth;        // input buffer width (typically source width)
+
+    uint8 *pOutBuf;             // output buffers [plane]
+    uint16 iOutBufWidth;        // output buffer width
+
+    uint8 *pTmpBuf;             // mixed axis temp buffer
+    float64_t fSrcStartRow;     // first input row as a float
+    uint16 iSrcStartRow;        // first input row of this slice
+    uint16 iSrcEndRow;          // last input row of this slice
+
+    uint16 iOutStartRow;        // first output row of this slice
+    uint16 iOutEndRow;          // last output row of this slice
+
+    float64_t fSrcStartColumn;  // first input column as a float
+
+    uint16 iOutStartColumn;     // first output column of this slice
+
+    float64_t fXfactor;         // x_factor_int & x_factor_fract
+    float64_t fXfactorInv;      // x_factor_inv_int & x_factor_inv_fract
+    float64_t fYfactor;         // y_factor_int & y_factor_fract
+    float64_t fYfactorInv;      // y_factor_inv_int & y_factor_inv_fract
+
+    scaler_mode_t scaleMode;    // scale mode for the current image
+} scaler_config_t;
+
+/*
+ * Called once per job to initialize pscaler_config for specified input/output sizes
+ */
+extern void scaler_make_image_scaler_tables(uint16 image_input_width, uint16 image_input_buf_width,
+        uint16 image_output_width, uint16 image_output_buf_width, uint16 image_input_height,
+        uint16 image_output_height, scaler_config_t *pscaler_config);
+
+/*
+ * Called once to configure a single image stripe/slice. Must be called after
+ * scaler_make_image_scaler_tables.
+ */
+extern void scaler_calculate_scaling_rows(uint16 start_output_row_number,
+        uint16 end_output_row_number, void *tables_ptr, uint16 *start_input_row_number,
+        uint16 *end_input_row_number, uint16 *num_output_rows_generated,
+        uint16 *num_rows_offset_to_start_output_row,
+        uint32 *mixed_axis_temp_buffer_size_needed);
+
+/*
+ * Called after each call to scaler_calculate_scaling_rows to produce scaled output
+ */
+extern void scaler_scale_image_data(uint8 *input_plane, void *tables_ptr,
+        uint8 *scaled_output_plane, uint8 *temp_buffer_for_mixed_axis_scaling);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // LIB_PHOTO_SCALER_H