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Added Text objects via love.graphics.newText(font [, textstring]). Reworked the internal code of Font objects to use fewer individual textures and less VRAM per object, and to be compatible with OpenGL ES. Slightly improved the performance of love.graphics.print and love.graphics.printf.

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Text objects are Drawable objects that represent text on the screen. They decouple text drawing from text parsing and vertex uploading, in a similar manner to SpriteBatches. They also optionally allow efficient batching of text from the same Font in different relative coordinate transformations, without having many draw calls.

Text objects currently have the following methods:

Text:set(textstring) -- replaces any existing text in the object with the new string.
Text:setf(textstring, wraplimit, alignmode) -- replaces any existing text with formatted text using the new string.

Text:getFont() -- gets the Font object used for this Text object.
Text:getWidth() -- gets the width in pixels of the most recently added text in the Text object.
Text:getHeight() -- gets the height in pixels of the most recently added text in the Text object.

Text:add(textstring, x, y, angle, sx, sy, ox, oy, kx, ky) -- adds a new string to the text object using the specified relative coordinate transformation, without replacing existing text. This behaves much like SpriteBatch:add.
Text:addf(textstring, wraplimit, alignmode, x, y, angle, sx, sy, ox, oy, kx, ky) -- adds a new formatted string to the text object using the specified relative coordinate transformation.
Text:clear() -- clears all text from the object.

--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2015-01-23 00:47:28 -04:00
parent 27aec48d1a
commit 970704c2b7
20 changed files with 1185 additions and 386 deletions
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src/modules/graphics/opengl/Graphics.h
+4 -1
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@@ -45,6 +45,7 @@
#include "Canvas.h"
#include "Shader.h"
#include "Mesh.h"
#include "Text.h"
namespace love
{
@@ -158,6 +159,8 @@ public:
Mesh *newMesh(const std::vector<Vertex> &vertices, Mesh::DrawMode mode = Mesh::DRAW_MODE_FAN);
Mesh *newMesh(int vertexcount, Mesh::DrawMode mode = Mesh::DRAW_MODE_FAN);
Text *newText(Font *font, const std::string &text = "");
/**
* Sets the foreground color.
* @param c The new foreground color.
@@ -325,7 +328,7 @@ public:
* @param kx Shear along the x-axis.
* @param ky Shear along the y-axis.
**/
void printf(const std::string &str, float x, float y, float wrap, AlignMode align, float angle, float sx, float sy, float ox, float oy, float kx, float ky);
void printf(const std::string &str, float x, float y, float wrap, Font::AlignMode align, float angle, float sx, float sy, float ox, float oy, float kx, float ky);
/**
* Draws a point at (x,y).