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redisplay lines where we are adding char

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This commit is contained in:
Edouard Dupin
2011-09-28 17:42:07 +02:00
parent 127ad0aac5
commit df4b14611e
6 changed files with 178 additions and 38 deletions
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16
Sources/tools/Display/Display.cpp
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@@ -40,7 +40,7 @@
#define FONT_ITALIC_YES (1)
// Variables privé du namespace
// Variables priv<EFBFBD> du namespace
#define POLICE_NAME "Monospace"
#ifdef USE_GTK_VERSION_3_0
@@ -140,7 +140,7 @@ cairo_font_face_t * Display::GetFont(bool bold, bool italic)
* @return ---
*
*/
DrawerManager::DrawerManager(GtkWidget * widget, int32_t x, int32_t y)
DrawerManager::DrawerManager(GtkWidget * widget, int32_t x, int32_t y, int32_t scrollOffset)
{
m_size.x = x;
m_size.y = y;
@@ -162,8 +162,10 @@ DrawerManager::DrawerManager(GtkWidget * widget, int32_t x, int32_t y)
m_cairo = gdk_cairo_create(m_windows);
// Copy the previous display data from the current display to the double buffer area:
cairo_surface_t * drawableSurface = cairo_get_target(cairoWindows);
TranslateVertical(-1* scrollOffset);
cairo_set_source_surface(m_cairo, drawableSurface, 0, 0);
cairo_paint(m_cairo);
TranslateVertical(scrollOffset);
//cairo_surface_destroy(drawableSurface);
cairo_destroy(cairoWindows);
}
@@ -172,7 +174,7 @@ DrawerManager::DrawerManager(GtkWidget * widget, int32_t x, int32_t y)
// for Test only : this remove slowly the old line that is not rewritten
cairo_set_source_rgb(m_cairo, 0, 0, 0);
cairo_set_source_rgba(m_cairo, 1, 1, 1, 0.3);
cairo_set_source_rgba(m_cairo, 1, 1, 1, 0.05);
cairo_paint(m_cairo);
cairo_set_font_size(m_cairo, POLICE_SIZE);
@@ -598,6 +600,14 @@ void DrawerManager::UTF8UnknownElement(Colorize *SelectColor, int32_t x, int32_t
}
void DrawerManager::TranslateVertical(int32_t nbPixelTranslation)
{
Flush();
//scale((xmax-xmin)/W, (ymax-ymin)/H)
cairo_translate(m_cairo, 0, nbPixelTranslation);
cairo_fill(m_cairo);
cairo_paint(m_cairo);
}
/* Basic axample with cairo and pango...

3
Sources/tools/Display/Display.h
View File

@@ -52,7 +52,7 @@ class DrawerManager;
class DrawerManager {
public:
// Constructeur
DrawerManager(GtkWidget * widget, int32_t x, int32_t y);
DrawerManager(GtkWidget * widget, int32_t x, int32_t y, int32_t scrollOffset=0);
~DrawerManager();
void Rectangle(Colorize *SelectColor, int32_t x, int32_t y, int32_t width, int32_t height);
@@ -72,6 +72,7 @@ class DrawerManager {
void Flush(void);
int32_t GetWidth(void) { return m_size.x; };
int32_t GetHeight(void) { return m_size.y; };
void TranslateVertical(int32_t nbPixelTranslation);
private:
void DirectRectangle(Colorize *SelectColor, int32_t x, int32_t y, int32_t width, int32_t height);