rga_func.cpp

00001 /*
00002 Permission is hereby granted, free of charge, to any person obtaining a copy
00003 of this software and associated documentation files (the "Software"), to deal
00004 in the Software without restriction, including without limitation the rights
00005 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00006 copies of the Software, and to permit persons to whom the Software is
00007 furnished to do so, subject to the following conditions:
00008 
00009 The above copyright notice and this permission notice shall be included in
00010 all copies or substantial portions of the Software.
00011 
00012 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00013 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00014 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00015 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00016 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00017 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00018 THE SOFTWARE.
00019 */
00020 
00021 #include "mbed.h"
00022 #include "rga_func.h"
00023 #include "Images/BinaryImage_RZ_A1H.h"
00024 
00025 #define ZOOM_SRC_CENTER_X                   IMAGE_WIDTH_ZOOM_FUNC / 2
00026 #define ZOOM_SRC_CENTER_Y                   IMAGE_HEIGHT_ZOOM_FUNC / 2
00027 
00028 Canvas2D_ContextClass canvas2d;
00029 
00030 void Set_RGAObject(frame_buffer_t* frmbuf_info) {
00031     errnum_t err;
00032     Canvas2D_ContextConfigClass config;
00033 
00034     config.frame_buffer = frmbuf_info;
00035     canvas2d = R_RGA_New_Canvas2D_ContextClass(config);
00036     err = R_OSPL_GetErrNum();
00037     if (err != 0) {
00038         printf("Line %d, error %d\n", __LINE__, err);
00039         while (1);
00040     }
00041 }
00042 
00043 void RGA_Func_Zoom(frame_buffer_t* frmbuf_info, int src_height_pos) {
00044     /* Clear */
00045     canvas2d.clearRect(0, 0, frmbuf_info->width, frmbuf_info->height);
00046     /* Zoom out */
00047     canvas2d.drawImage(Landscape_wide_jpg_File,
00048                         /* src X */     ZOOM_SRC_CENTER_X - (src_height_pos * IMG_DRAW_WIDTH / IMG_DRAW_HEIGHT),
00049                         /* src Y */     ZOOM_SRC_CENTER_Y - src_height_pos,
00050                         /* src W */     src_height_pos * 2 * IMG_DRAW_WIDTH / IMG_DRAW_HEIGHT,
00051                         /* src H */     src_height_pos * 2,
00052                         /* dst   */     10, 10, IMG_DRAW_WIDTH, IMG_DRAW_HEIGHT);
00053 
00054     /* Complete drawing */
00055     R_GRAPHICS_Finish(canvas2d.c_LanguageContext);
00056 }