Make a few parameters in gl_text const references
Originally committed to SVN as r4252.
This commit is contained in:
Thomas Goyne
parent
47beda4c89
commit
ae82498273
2 changed files with 16 additions and 86 deletions
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@ -48,42 +48,27 @@
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#include "gl_text.h"
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#include "utils.h"
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/// @brief Constructor
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///
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OpenGLText::OpenGLText() {
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r = g = b = a = 1.0f;
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}
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/// @brief Destructor
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///
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OpenGLText::~OpenGLText() {
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Reset();
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}
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/// @brief Reset
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///
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void OpenGLText::Reset() {
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textures.clear();
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glyphs.clear();
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}
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/// @brief Get instance
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/// @return
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///
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OpenGLText& OpenGLText::GetInstance() {
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static OpenGLText instance;
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return instance;
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}
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/// @brief Set font
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/// @param face
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/// @param size
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@ -108,8 +93,6 @@ void OpenGLText::DoSetFont(wxString face,int size,bool bold,bool italics) {
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Reset();
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}
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/// @brief Set colour
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/// @param col
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/// @param alpha
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@ -121,14 +104,11 @@ void OpenGLText::DoSetColour(wxColour col,float alpha) {
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a = alpha;
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}
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/// @brief Print
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/// @param text
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/// @param x
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/// @param y
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///
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void OpenGLText::DoPrint(wxString text,int x,int y) {
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void OpenGLText::DoPrint(const wxString &text,int x,int y) {
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// Set OpenGL
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glEnable(GL_BLEND);
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glEnable(GL_TEXTURE_2D);
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@ -150,15 +130,8 @@ void OpenGLText::DoPrint(wxString text,int x,int y) {
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glDisable(GL_BLEND);
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}
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/// @brief Draw a string
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/// @param text
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/// @param x
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/// @param y
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/// @return
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///
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void OpenGLText::DrawString(wxString text,int x,int y) {
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/// @brief Draw a string at (x,y)
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void OpenGLText::DrawString(const wxString &text,int x,int y) {
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// Variables
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size_t len = text.Length();
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OpenGLTextGlyph glyph;
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@ -186,16 +159,11 @@ void OpenGLText::DrawString(wxString text,int x,int y) {
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}
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}
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/// @brief Calculate text extent
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/// @param text
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/// @param w
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/// @param h
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/// @return
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///
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void OpenGLText::DoGetExtent(wxString text,int &w,int &h) {
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// Variables
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/// @param text Text to get the extents of
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/// @param w [out] Width
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/// @param h [out] Height
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void OpenGLText::DoGetExtent(const wxString &text,int &w,int &h) {
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size_t len = text.Length();
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OpenGLTextGlyph glyph;
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lineHeight = 0;
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@ -229,12 +197,9 @@ void OpenGLText::DoGetExtent(wxString text,int &w,int &h) {
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h = dy+lineHeight;
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}
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/// @brief Get a glyph
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/// @param i
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/// @return
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///
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OpenGLTextGlyph OpenGLText::GetGlyph(int i) {
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glyphMap::iterator res = glyphs.find(i);
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@ -245,12 +210,8 @@ OpenGLTextGlyph OpenGLText::GetGlyph(int i) {
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return CreateGlyph(i);
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}
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/// @brief Create a glyph
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/// @param n
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/// @return
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///
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OpenGLTextGlyph OpenGLText::CreateGlyph(int n) {
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// Create glyph
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OpenGLTextGlyph glyph;
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@ -277,12 +238,9 @@ OpenGLTextGlyph OpenGLText::CreateGlyph(int n) {
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return glyph;
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}
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/// @brief Texture constructor
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/// @param w
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/// @param h
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///
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OpenGLTextTexture::OpenGLTextTexture(int w,int h) {
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using std::max;
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// Properties
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@ -307,10 +265,6 @@ OpenGLTextTexture::OpenGLTextTexture(int w,int h) {
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if (glGetError()) throw _T("Internal OpenGL text renderer error: Could not allocate Text Texture");
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}
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/// @brief Texture destructor
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///
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OpenGLTextTexture::~OpenGLTextTexture() {
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if (tex) {
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glDeleteTextures(1,&tex);
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@ -318,12 +272,9 @@ OpenGLTextTexture::~OpenGLTextTexture() {
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}
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}
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/// @brief Can fit a glyph in it?
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/// @param glyph
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/// @return
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///
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bool OpenGLTextTexture::TryToInsert(OpenGLTextGlyph &glyph) {
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// Get size
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int w = glyph.w;
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@ -350,11 +301,8 @@ bool OpenGLTextTexture::TryToInsert(OpenGLTextGlyph &glyph) {
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}
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}
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/// @brief Insert
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/// @param glyph
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///
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void OpenGLTextTexture::Insert(OpenGLTextGlyph &glyph) {
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// Glyph data
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wxString str = wxChar(glyph.value);
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@ -378,9 +326,7 @@ void OpenGLTextTexture::Insert(OpenGLTextGlyph &glyph) {
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dc.SetFont(OpenGLText::GetFont());
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dc.SetTextForeground(wxColour(255,255,255));
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dc.DrawText(str,0,0);
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//bmp.SaveFile(wxString::Format(_T("glyph%i.bmp"),glyph.value),wxBITMAP_TYPE_BMP);
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wxImage img = bmp.ConvertToImage();
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//img.SaveFile(str + _T(".bmp"));
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// Convert to alpha
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int imgw = img.GetWidth();
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@ -403,12 +349,9 @@ void OpenGLTextTexture::Insert(OpenGLTextGlyph &glyph) {
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if (glGetError()) throw _T("Internal OpenGL text renderer error: Error uploading glyph data to video memory.");
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}
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/// @brief Draw a glyph
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/// @brief Draw a glyph at (x,y)
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/// @param x
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/// @param y
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///
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void OpenGLTextGlyph::Draw(int x,int y) {
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// Store matrix and translate
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glPushMatrix();
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@ -437,22 +380,15 @@ void OpenGLTextGlyph::Draw(int x,int y) {
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glPopMatrix();
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}
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/// @brief Glyph Destructor
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///
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OpenGLTextGlyph::~OpenGLTextGlyph() {
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if (tempBmp) delete tempBmp;
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tempBmp = NULL;
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}
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/// DOCME
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wxBitmap *OpenGLTextGlyph::tempBmp = NULL;
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/// @brief DOCME
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///
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void OpenGLTextGlyph::GetMetrics() {
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// Glyph data
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wxCoord desc,lead;
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@ -462,11 +398,7 @@ void OpenGLTextGlyph::GetMetrics() {
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if (!tempBmp) tempBmp = new wxBitmap(16,16,24);
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// Get text extents
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{
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wxMemoryDC dc(*tempBmp);
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dc.SetFont(OpenGLText::GetFont());
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dc.GetTextExtent(str,&w,&h,&desc,&lead);
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}
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}
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@ -187,9 +187,9 @@ private:
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static OpenGLText& GetInstance();
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void DoSetFont(wxString face,int size,bool bold,bool italics);
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void DoSetColour(wxColour col,float alpha);
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void DoPrint(wxString text,int x,int y);
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void DrawString(wxString text,int x,int y);
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void DoGetExtent(wxString text,int &w,int &h);
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void DoPrint(const wxString &text,int x,int y);
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void DrawString(const wxString &text,int x,int y);
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void DoGetExtent(const wxString &text,int &w,int &h);
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public:
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@ -217,14 +217,12 @@ public:
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/// @param x
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/// @param y
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///
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static void Print(wxString text,int x,int y) { GetInstance().DoPrint(text,x,y); }
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static void Print(const wxString &text,int x,int y) { GetInstance().DoPrint(text,x,y); }
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/// @brief DOCME
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/// @param text
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/// @param w
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/// @param h
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///
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static void GetExtent(wxString text,int &w,int &h) { GetInstance().DoGetExtent(text,w,h); }
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static void GetExtent(const wxString &text,int &w,int &h) { GetInstance().DoGetExtent(text,w,h); }
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};
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