#include "WidgetsRenderUtil.h"
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#include <map>
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using namespace std;
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// »æÖÆÄÚÈÝÐÅÏ¢
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struct TextDrawInfo
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{
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wxRect rect;//»æÖƵÄÇøÓò
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wxColour color;// »æÖƵÄÑÕÉ«
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wxString text;// ÄÚÈÝ
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};
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// ÐÐÐÅÏ¢
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struct LineInfo {
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int start_index;
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int end_index;
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};
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int WidgetsRenderUtil::drawText(wxDC* dc, wxString st, wxPoint startP, int lineWidth, int lineHeight, std::list<ColorIndexInfo> colors , wxColour defaultColor) {
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///»æÖƿɾֲ¿±äÉ«£¬¿É»»Ðеĸ»Îı¾,·µ»Ø¸ß¶È
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/// ʵÏÖ˼·£º1.Ïȸù¾ÝÕûÌå¿Ø¼þ¿í¶È»òÕß»»Ðзû»»ÐУ¬È·¶¨ÐÐÊý
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/// 2.¸ù¾ÝÑÕÉ«µÄË÷Òý£¬È·¶¨»æÖÆÄÚÈݵÄÎı¾£¬ÑÕÉ«£¬Î»ÖÃ
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/// 3.¸ù¾ÝµÚ2²½µÃµ½µÄÊý¾Ý£¬¼ÓÉÏÕû¸ö¿Ø¼þÆ«ÒÆÁ¿Í³Ò»»æÖÆÎı¾ÄÚÈÝ
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// ¼ÆËãÊÇ·ñÐèÒª»»ÐÐ
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wxString line_text;
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std::list<LineInfo> lines;
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int start_index = -1;
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for (int i = 0; i < st.length(); i++) {
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line_text.Append(st.GetChar(i));
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// ¼ÆËã»æÖÆÎı¾Õ¼Óõijߴç
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wxSize textSize = dc->GetTextExtent(line_text);
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if (start_index < 0 ) {
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start_index = i;
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}
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int nextCharWidth = 0;
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if (i + 1 < st.Length()) {
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// »ñÈ¡ÏÂÒ»¸ö×Ö·ûµÄ³¤¶È
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wxSize textSize1 = dc->GetTextExtent(st.GetChar(i+1));
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nextCharWidth = textSize1.GetWidth();
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}
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if (textSize.GetWidth() + nextCharWidth > lineWidth) {
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lines.push_back(LineInfo({ start_index, i }));
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start_index = -1;
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line_text = "";
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}
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else if (st.GetChar(i) == '\n') {
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lines.push_back(LineInfo({ start_index, i }));
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start_index = -1;
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line_text = "";
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}
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}
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if (start_index >= 0) {
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lines.push_back(LineInfo({ start_index, (int)st.length() - 1 }));
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start_index = -1;
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}
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map<int, ColorIndexInfo> colorIndexMap;
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for (list<ColorIndexInfo>::iterator e = colors.begin(); e != colors.end(); ++e) {
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colorIndexMap[(*e).start_index] = *e;
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colorIndexMap[(*e).end_index] = *e;
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}
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list<TextDrawInfo> drawInfoList;
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int row = 0;
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wxColor color = defaultColor; // ĬÈÏÑÕɫΪºÚÉ«
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for (list<LineInfo>::iterator e = lines.begin(); e != lines.end(); ++e) {
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LineInfo lineInfo = *e;
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// ÄÚÈÝ¿ªÊ¼
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int content_start_index = -1;
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int positionLeft = 0;
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for (int i = lineInfo.start_index; i <= lineInfo.end_index; i++) {
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if (content_start_index < 0) {
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content_start_index = i;
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}
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// »æÖÆ´¥·¢£ºÒ»ÐнáÊø£¬ÑÕÉ«¿ªÊ¼£¬ÑÕÉ«½áÊø
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if (colorIndexMap.find(i) != colorIndexMap.end()) {
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// ÓÐÑÕÉ«Ë÷Òý
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ColorIndexInfo info = colorIndexMap[i];
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if (info.start_index == i) {
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// ÑÕÉ«¿ªÊ¼£¬½«Ö®Ç°µÄÊý¾Ý¼ÓÈë»æÖÆ
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if (i > content_start_index) {
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TextDrawInfo drawInfo;
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drawInfo.text = st.Mid(content_start_index, i - content_start_index);
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drawInfo.color = color;
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wxSize ts = dc->GetTextExtent(drawInfo.text);
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drawInfo.rect = wxRect(positionLeft, row * lineHeight, ts.GetWidth(), lineHeight);
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drawInfoList.push_back(drawInfo);
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// Æðʼµã
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content_start_index = i;
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positionLeft += ts.GetWidth();
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}
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color = info.color;
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}
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if (info.end_index == i) {
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//ÑÕÉ«½áÊø
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TextDrawInfo drawInfo;
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drawInfo.text = st.Mid(content_start_index, i - content_start_index + 1);
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drawInfo.color = color;
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wxSize ts = dc->GetTextExtent(drawInfo.text);
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drawInfo.rect = wxRect(positionLeft, row * lineHeight, ts.GetWidth(), lineHeight);
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drawInfoList.push_back(drawInfo);
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// Æðʼµã
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content_start_index = -1;
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positionLeft += ts.GetWidth();
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//»Ö¸´Ä¬ÈÏÑÕÉ«
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color = defaultColor;
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}
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}
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if (i == lineInfo.end_index) {
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// Ò»ÐнáÊø
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TextDrawInfo drawInfo;
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drawInfo.text = st.Mid(content_start_index, i - content_start_index + 1);
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drawInfo.color = color;
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wxSize ts = dc->GetTextExtent(drawInfo.text);
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drawInfo.rect = wxRect(positionLeft, row * lineHeight, ts.GetWidth(), lineHeight);
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drawInfoList.push_back(drawInfo);
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}
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}
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row++;
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}
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for (list<TextDrawInfo>::iterator e = drawInfoList.begin(); e != drawInfoList.end(); ++e) {
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TextDrawInfo drawInfo = *e;
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dc->SetTextForeground(drawInfo.color);
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wxRect rect = drawInfo.rect;
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rect.x += startP.x;
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rect.y += startP.y;
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dc->DrawLabel(drawInfo.text, rect, wxALIGN_LEFT | wxALIGN_TOP);
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}
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return lines.size() * lineHeight;
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}
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int WidgetsRenderUtil::drawText(wxGraphicsContext* gc, wxString st, wxPoint startP, int lineWidth, int lineHeight, std::list<ColorIndexInfo> colors, wxColour defaultColor)
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{
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///»æÖƿɾֲ¿±äÉ«£¬¿É»»Ðеĸ»Îı¾,·µ»Ø¸ß¶È
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/// ʵÏÖ˼·£º1.Ïȸù¾ÝÕûÌå¿Ø¼þ¿í¶È»òÕß»»Ðзû»»ÐУ¬È·¶¨ÐÐÊý
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/// 2.¸ù¾ÝÑÕÉ«µÄË÷Òý£¬È·¶¨»æÖÆÄÚÈݵÄÎı¾£¬ÑÕÉ«£¬Î»ÖÃ
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/// 3.¸ù¾ÝµÚ2²½µÃµ½µÄÊý¾Ý£¬¼ÓÉÏÕû¸ö¿Ø¼þÆ«ÒÆÁ¿Í³Ò»»æÖÆÎı¾ÄÚÈÝ
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// ¼ÆËãÊÇ·ñÐèÒª»»ÐÐ
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wxString line_text;
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std::list<LineInfo> lines;
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int start_index = -1;
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for (int i = 0; i < st.length(); i++) {
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line_text.Append(st.GetChar(i));
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// ¼ÆËã»æÖÆÎı¾Õ¼Óõijߴç
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wxDouble width, height;
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gc->GetTextExtent(line_text, &width,&height);
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wxSize textSize(width, height);
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if (start_index < 0) {
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start_index = i;
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}
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int nextCharWidth = 0;
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if (i + 1 < st.Length()) {
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// »ñÈ¡ÏÂÒ»¸ö×Ö·ûµÄ³¤¶È
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wxDouble width, height;
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gc->GetTextExtent(st.GetChar(i + 1), &width, &height);
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wxSize textSize1(width, height);
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nextCharWidth = textSize1.GetWidth();
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}
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if (textSize.GetWidth() + nextCharWidth > lineWidth) {
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lines.push_back(LineInfo({ start_index, i }));
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start_index = -1;
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line_text = "";
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}
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else if (st.GetChar(i) == '\n') {
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lines.push_back(LineInfo({ start_index, i }));
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start_index = -1;
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line_text = "";
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}
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}
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if (start_index >= 0) {
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lines.push_back(LineInfo({ start_index, (int)st.length() - 1 }));
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start_index = -1;
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}
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map<int, ColorIndexInfo> colorIndexMap;
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for (list<ColorIndexInfo>::iterator e = colors.begin(); e != colors.end(); ++e) {
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colorIndexMap[(*e).start_index] = *e;
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colorIndexMap[(*e).end_index] = *e;
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}
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list<TextDrawInfo> drawInfoList;
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int row = 0;
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wxColor color = defaultColor; // ĬÈÏÑÕɫΪºÚÉ«
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for (list<LineInfo>::iterator e = lines.begin(); e != lines.end(); ++e) {
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LineInfo lineInfo = *e;
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// ÄÚÈÝ¿ªÊ¼
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int content_start_index = -1;
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int positionLeft = 0;
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for (int i = lineInfo.start_index; i <= lineInfo.end_index; i++) {
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if (content_start_index < 0) {
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content_start_index = i;
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}
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// »æÖÆ´¥·¢£ºÒ»ÐнáÊø£¬ÑÕÉ«¿ªÊ¼£¬ÑÕÉ«½áÊø
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if (colorIndexMap.find(i) != colorIndexMap.end()) {
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// ÓÐÑÕÉ«Ë÷Òý
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ColorIndexInfo info = colorIndexMap[i];
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if (info.start_index == i) {
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// ÑÕÉ«¿ªÊ¼£¬½«Ö®Ç°µÄÊý¾Ý¼ÓÈë»æÖÆ
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if (i > content_start_index) {
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TextDrawInfo drawInfo;
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drawInfo.text = st.Mid(content_start_index, i - content_start_index);
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drawInfo.color = color;
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wxDouble width, height;
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gc->GetTextExtent(drawInfo.text, &width, &height);
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wxSize ts(width, height);
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drawInfo.rect = wxRect(positionLeft, row * lineHeight, ts.GetWidth(), lineHeight);
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drawInfoList.push_back(drawInfo);
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// Æðʼµã
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content_start_index = i;
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positionLeft += ts.GetWidth();
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}
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color = info.color;
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}
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if (info.end_index == i) {
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//ÑÕÉ«½áÊø
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TextDrawInfo drawInfo;
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drawInfo.text = st.Mid(content_start_index, i - content_start_index + 1);
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drawInfo.color = color;
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wxDouble width, height;
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gc->GetTextExtent(drawInfo.text, &width, &height);
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wxSize ts(width, height);
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drawInfo.rect = wxRect(positionLeft, row * lineHeight, ts.GetWidth(), lineHeight);
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drawInfoList.push_back(drawInfo);
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// Æðʼµã
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content_start_index = -1;
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positionLeft += ts.GetWidth();
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//»Ö¸´Ä¬ÈÏÑÕÉ«
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color = defaultColor;
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}
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}
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if (i == lineInfo.end_index) {
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// Ò»ÐнáÊø
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TextDrawInfo drawInfo;
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drawInfo.text = st.Mid(content_start_index, i - content_start_index + 1);
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drawInfo.color = color;
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wxDouble width, height;
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gc->GetTextExtent(drawInfo.text, &width, &height);
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wxSize ts(width, height);
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drawInfo.rect = wxRect(positionLeft, row * lineHeight, ts.GetWidth(), lineHeight);
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drawInfoList.push_back(drawInfo);
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}
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}
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row++;
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}
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for (list<TextDrawInfo>::iterator e = drawInfoList.begin(); e != drawInfoList.end(); ++e) {
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TextDrawInfo drawInfo = *e;
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gc->SetPen(drawInfo.color);
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wxRect rect = drawInfo.rect;
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rect.x += startP.x;
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rect.y += startP.y;
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gc->DrawText(drawInfo.text, rect.x, rect.y);
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}
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return lines.size() * lineHeight;
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return 0;
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}
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void WidgetsRenderUtil::drawBtn(wxDC* dc, wxString st, wxRect rect, wxColour textColor, wxColour bgColor)
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{
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// »æÖÆ°´Å¥
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dc->SetPen(bgColor);
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dc->SetBrush(bgColor);
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dc->SetTextForeground(textColor);
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dc->DrawRectangle(rect);
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// »æÖÆ°´Å¥µÄÎı¾
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dc->DrawLabel(st, rect, wxALIGN_CENTER);
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}
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void WidgetsRenderUtil::drawBtnByGC(wxGraphicsContext* gc, wxString st, wxRect rect, wxColour textColor, wxColour bgColor)
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{
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// »æÖÆ°´Å¥
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gc->SetPen(bgColor);
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gc->SetBrush(wxBrush(bgColor));
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gc->DrawRectangle(rect.x,rect.y,rect.width,rect.height);
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// »æÖÆ°´Å¥µÄÎı¾
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wxDouble width, height;
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gc->GetTextExtent(st, &width, &height);
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gc->SetPen(textColor);
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gc->SetBrush(wxBrush(textColor));
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gc->DrawText(st, rect.x + (rect.width - width)/2, rect.y + (rect.height - height) / 2);
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}
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