(C) Google Sheets Conditional Formatting - Color Gradient

Add a conditional color gradient across a row

For more information, see https://developers.google.com/sheets/api/samples/conditional-formatting#add_a_conditional_color_gradient_across_a_row

Chilkat C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#include <C_CkHttp.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    const char *sheetId;
    HCkJsonObject json;
    HCkHttpResponse resp;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http = CkHttp_Create();

    // Implements the following CURL command:

    // curl -H "Content-Type: application/json" \
    //    -H "Authorization: Bearer ACCESS_TOKEN" \
    //    -X POST \
    //    -d '{
    //   "requests": [
    //     {
    //       "addConditionalFormatRule": {
    //         "rule": {
    //           "ranges": [
    //             {
    //               "sheetId": sheetId,
    //               "startRowIndex": 9,
    //               "endRowIndex": 10,
    //             }
    //           ],
    //           "gradientRule": {
    //             "minpoint": {
    //               "color": {
    //                 "green": 0.2,
    //                 "red": 0.8
    //               },
    //               "type": "MIN"
    //             },
    //             "maxpoint": {
    //               "color": {
    //                 "green": 0.9
    //               },
    //               "type": "MAX"
    //             },
    //           }
    //         },
    //         "index": 0
    //       }
    //     },
    //     {
    //       "addConditionalFormatRule": {
    //         "rule": {
    //           "ranges": [
    //             {
    //               "sheetId": sheetId,
    //               "startRowIndex": 10,
    //               "endRowIndex": 11,
    //             }
    //           ],
    //           "gradientRule": {
    //             "minpoint": {
    //               "color": {
    //                 "green": 0.8,
    //                 "red": 0.8
    //               },
    //               "type": "NUMBER",
    //               "value": "0"
    //             },
    //             "maxpoint": {
    //               "color": {
    //                 "blue": 0.9,
    //                 "green": 0.5,
    //                 "red": 0.5
    //               },
    //               "type": "NUMBER",
    //               "value": "256"
    //             },
    //           }
    //         },
    //         "index": 1
    //       }
    //     },
    //   ]
    // }' https://sheets.googleapis.com/v4/spreadsheets/{spreadsheetId}:batchUpdate

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    // The following JSON is sent in the request body.

    // {
    //   "requests": [
    //     {
    //       "addConditionalFormatRule": {
    //         "rule": {
    //           "ranges": [
    //             {
    //               "sheetId": sheetId,
    //               "startRowIndex": 9,
    //               "endRowIndex": 10
    //             }
    //           ],
    //           "gradientRule": {
    //             "minpoint": {
    //               "color": {
    //                 "green": 0.2,
    //                 "red": 0.8
    //               },
    //               "type": "MIN"
    //             },
    //             "maxpoint": {
    //               "color": {
    //                 "green": 0.9
    //               },
    //               "type": "MAX"
    //             }
    //           }
    //         },
    //         "index": 0
    //       }
    //     },
    //     {
    //       "addConditionalFormatRule": {
    //         "rule": {
    //           "ranges": [
    //             {
    //               "sheetId": sheetId,
    //               "startRowIndex": 10,
    //               "endRowIndex": 11
    //             }
    //           ],
    //           "gradientRule": {
    //             "minpoint": {
    //               "color": {
    //                 "green": 0.8,
    //                 "red": 0.8
    //               },
    //               "type": "NUMBER",
    //               "value": "0"
    //             },
    //             "maxpoint": {
    //               "color": {
    //                 "blue": 0.9,
    //                 "green": 0.5,
    //                 "red": 0.5
    //               },
    //               "type": "NUMBER",
    //               "value": "256"
    //             }
    //           }
    //         },
    //         "index": 1
    //       }
    //     }
    //   ]
    // }

    sheetId = "YOUR_SHEET_ID";

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"requests[0].addConditionalFormatRule.rule.ranges[0].sheetId",sheetId);
    CkJsonObject_UpdateInt(json,"requests[0].addConditionalFormatRule.rule.ranges[0].startRowIndex",9);
    CkJsonObject_UpdateInt(json,"requests[0].addConditionalFormatRule.rule.ranges[0].endRowIndex",10);
    CkJsonObject_UpdateNumber(json,"requests[0].addConditionalFormatRule.rule.gradientRule.minpoint.color.green","0.2");
    CkJsonObject_UpdateNumber(json,"requests[0].addConditionalFormatRule.rule.gradientRule.minpoint.color.red","0.8");
    CkJsonObject_UpdateString(json,"requests[0].addConditionalFormatRule.rule.gradientRule.minpoint.type","MIN");
    CkJsonObject_UpdateNumber(json,"requests[0].addConditionalFormatRule.rule.gradientRule.maxpoint.color.green","0.9");
    CkJsonObject_UpdateString(json,"requests[0].addConditionalFormatRule.rule.gradientRule.maxpoint.type","MAX");
    CkJsonObject_UpdateInt(json,"requests[0].addConditionalFormatRule.index",0);
    CkJsonObject_UpdateString(json,"requests[1].addConditionalFormatRule.rule.ranges[0].sheetId",sheetId);
    CkJsonObject_UpdateInt(json,"requests[1].addConditionalFormatRule.rule.ranges[0].startRowIndex",10);
    CkJsonObject_UpdateInt(json,"requests[1].addConditionalFormatRule.rule.ranges[0].endRowIndex",11);
    CkJsonObject_UpdateNumber(json,"requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.color.green","0.8");
    CkJsonObject_UpdateNumber(json,"requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.color.red","0.8");
    CkJsonObject_UpdateString(json,"requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.type","NUMBER");
    CkJsonObject_UpdateString(json,"requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.value","0");
    CkJsonObject_UpdateNumber(json,"requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.color.blue","0.9");
    CkJsonObject_UpdateNumber(json,"requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.color.green","0.5");
    CkJsonObject_UpdateNumber(json,"requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.color.red","0.5");
    CkJsonObject_UpdateString(json,"requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.type","NUMBER");
    CkJsonObject_UpdateString(json,"requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.value","256");
    CkJsonObject_UpdateInt(json,"requests[1].addConditionalFormatRule.index",1);

    // Adds the "Authorization: Bearer ACCESS_TOKEN" header.
    CkHttp_putAuthToken(http,"ACCESS_TOKEN");
    CkHttp_SetRequestHeader(http,"Content-Type","application/json");

    resp = CkHttp_PostJson3(http,"https://sheets.googleapis.com/v4/spreadsheets/{spreadsheetId}:batchUpdate","application/json",json);
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(json);
        return;
    }

    printf("Status code: %d\n",CkHttpResponse_getStatusCode(resp));
    printf("Response body:\n");
    printf("%s\n",CkHttpResponse_bodyStr(resp));

    CkHttpResponse_Dispose(resp);


    CkHttp_Dispose(http);
    CkJsonObject_Dispose(json);

    }