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#include
#include
#include
#include
typedef struct {
???float x, y;
} Plot;
FILE *file;
char* color;
const float r = 20;
typedef struct TreeNode {
???char* name;
???int val;
???struct TreeNode** child;
???int childCount;
} TreeNode;
TreeNode* treeNodeInit(char* name, int val) {
???TreeNode* node = (TreeNode*)malloc(sizeof(TreeNode));
???node->name = strdup(name);
???node->val = val;
???node->child = NULL;
???node->childCount = 0;
???return node;
}
void treeNodeAddChild(TreeNode* parent, TreeNode* child) {
???parent->childCount++;
???parent->child = (TreeNode**)realloc(parent->child, sizeof(TreeNode*) * parent->childCount);
???parent->child[parent->childCount - 1] = child;
}
void treeNodeFree(TreeNode* node) {
???if (node == NULL) {
??????return;
???}
???for (int i = 0; i < node->childCount; i++) {
??????treeNodeFree(node->child[i]);
???}
???free(node->child);
???free(node->name);
???free(node);
}
typedef struct {
???Plot** data;
???int* lengthArray;
???int size;
???int capacity;
} PlotVector;
PlotVector* plotVector;
void plotVectorInit() {
???plotVector = (PlotVector*)malloc(sizeof(PlotVector));
???plotVector->data = NULL;
???plotVector->lengthArray = NULL;
???plotVector->size = 0;
???plotVector->capacity = 0;
}
void plotVectorFree() {
???free(plotVector->lengthArray);
???free(plotVector->data);
???free(plotVector);
}
void plotVectorPushBack(Plot* plot, int sizeofPlotVector) {
???if (plotVector->size >= plotVector->capacity) {
??????int newCapacity = (plotVector->capacity == 0) ? 1 : plotVector->capacity * 2;
??????Plot** newData = (Plot**)realloc(plotVector->data, newCapacity * sizeofPlotVector);
??????int* newLengthArray = (int*)realloc(plotVector->lengthArray, newCapacity * sizeof(int));
??????if (newData == NULL) {
?????????printf("Memory allocation failed.\n");
?????????return;
??????}
??????plotVector->data = newData;
??????plotVector->capacity = newCapacity;
??????plotVector->lengthArray = newLengthArray;
???}
???plotVector->data[plotVector->size] = plot;
???plotVector->lengthArray[plotVector->size] = sizeofPlotVector;
???plotVector->size++;
}
void QBcurvePrint(int index) {
???if (index < 0 || index >= plotVector->size) {
??????printf("Invalid index.\n");
??????return;
???}
???Plot* plots = plotVector->data[index];
???int i = 0;
???float theta0, theta1 = atanf((plots[i + 1].y - plots[i].y) / (plots[i + 1].x - plots[i].x));
???fprintf(file, "lengthArray[index] / sizeof(Plot) - 2) {
??????i++;
??????theta0 = theta1;
??????theta1 = atanf((plots[i + 1].y - plots[i].y) / (plots[i + 1].x - plots[i].x));
??????fprintf(file, "L %f %f Q %f %f %f %f ",
?????????????plots[i].x + r * cosf(theta0 + M_PI), plots[i].y + r * sinf(theta0 + M_PI),
?????????????plots[i].x, plots[i].y,
?????????????plots[i].x + r * cosf(theta1), plots[i].y + r * sinf(theta1));
???}
???fprintf(file, "L %f %f\" stroke=\"%s\" stroke-width=\"2\" fill=\"none\" />\n", plots[i + 1].x, plots[i + 1].y, color);
}
int main() {
???plotVectorInit();
???file = fopen("output.svg", "w");
???if (file == NULL) {
??????printf("Can not open SVG file.\n");
??????return 1;
???}
???fprintf(file, "\n");
???fclose(file);
???plotVectorFree();
???return 0;
}
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